root/ext/odbc/php_odbc.c

/* [<][>][^][v][top][bottom][index][help] */

DEFINITIONS

This source file includes following definitions.
  1. ZEND_GET_MODULE
  2. safe_odbc_disconnect
  3. _close_odbc_conn
  4. _close_odbc_pconn
  5. PHP_INI_DISP
  6. PHP_INI_DISP
  7. PHP_INI_DISP
  8. PHP_INI_DISP
  9. PHP_INI_BEGIN
  10. PHP_MINIT_FUNCTION
  11. PHP_RINIT_FUNCTION
  12. PHP_RSHUTDOWN_FUNCTION
  13. PHP_MSHUTDOWN_FUNCTION
  14. PHP_MINFO_FUNCTION
  15. odbc_sql_error
  16. php_odbc_fetch_attribs
  17. odbc_bindcols
  18. odbc_transact
  19. _close_pconn_with_id
  20. odbc_column_lengths
  21. PHP_FUNCTION
  22. PHP_FUNCTION
  23. PHP_FUNCTION
  24. PHP_FUNCTION
  25. PHP_FUNCTION
  26. PHP_FUNCTION
  27. PHP_FUNCTION
  28. PHP_FUNCTION
  29. php_odbc_fetch_hash
  30. PHP_FUNCTION
  31. PHP_FUNCTION
  32. PHP_FUNCTION
  33. PHP_FUNCTION
  34. PHP_FUNCTION
  35. PHP_FUNCTION
  36. PHP_FUNCTION
  37. PHP_FUNCTION
  38. PHP_FUNCTION
  39. PHP_FUNCTION
  40. odbc_sqlconnect
  41. odbc_do_connect
  42. PHP_FUNCTION
  43. PHP_FUNCTION
  44. PHP_FUNCTION
  45. PHP_FUNCTION
  46. PHP_FUNCTION
  47. PHP_FUNCTION
  48. PHP_FUNCTION
  49. PHP_FUNCTION
  50. PHP_FUNCTION
  51. PHP_FUNCTION
  52. PHP_FUNCTION
  53. PHP_FUNCTION
  54. php_odbc_lasterror
  55. PHP_FUNCTION
  56. PHP_FUNCTION
  57. PHP_FUNCTION
  58. PHP_FUNCTION
  59. PHP_FUNCTION
  60. PHP_FUNCTION
  61. PHP_FUNCTION
  62. PHP_FUNCTION
  63. PHP_FUNCTION
  64. PHP_FUNCTION
  65. PHP_FUNCTION
  66. PHP_FUNCTION
  67. PHP_FUNCTION
  68. PHP_FUNCTION

/*
   +----------------------------------------------------------------------+
   | PHP Version 5                                                        |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997-2008 The PHP Group                                |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.php.net/license/3_01.txt                                  |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Authors: Stig Sæther Bakken <ssb@php.net>                            |
   |          Andreas Karajannis <Andreas.Karajannis@gmd.de>              |
   |          Frank M. Kromann <frank@kromann.info>  Support for DB/2 CLI |
   |          Kevin N. Shallow <kshallow@tampabay.rr.com> Birdstep Support|
   |          Daniel R. Kalowsky <kalowsky@php.net>                       |
   +----------------------------------------------------------------------+
*/

/* $Id: php_odbc.c,v 1.189.2.4.2.8 2007/12/31 07:20:09 sebastian Exp $ */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
 
#include "php.h"
#include "php_globals.h"

#include "ext/standard/info.h"
#include "ext/standard/php_string.h"
#include "ext/standard/php_standard.h"

#include "php_odbc.h"
#include "php_odbc_includes.h"
#include "php_globals.h"

#if HAVE_UODBC

#include <fcntl.h>
#include "ext/standard/head.h"
#include "php_ini.h"

#ifdef PHP_WIN32
#include <winsock2.h>

#define ODBC_TYPE "Win32"
#define PHP_ODBC_TYPE ODBC_TYPE

#endif

/*
 * not defined elsewhere
 */

#ifndef TRUE
#define TRUE 1
#define FALSE 0
#endif

void odbc_do_connect(INTERNAL_FUNCTION_PARAMETERS, int persistent);

static int le_result, le_conn, le_pconn;

#define SAFE_SQL_NTS(n) ((SWORD) ((n)?(SQL_NTS):0))

/* {{{ odbc_functions[]
 */
zend_function_entry odbc_functions[] = {
        PHP_FE(odbc_autocommit, NULL)
        PHP_FE(odbc_binmode, NULL)
        PHP_FE(odbc_close, NULL)
        PHP_FE(odbc_close_all, NULL)
        PHP_FE(odbc_columns, NULL)
        PHP_FE(odbc_commit, NULL)
        PHP_FE(odbc_connect, NULL)
        PHP_FE(odbc_cursor, NULL)
#ifdef HAVE_SQLDATASOURCES
        PHP_FE(odbc_data_source, NULL)
#endif
        PHP_FE(odbc_execute, NULL)
        PHP_FE(odbc_error, NULL)
        PHP_FE(odbc_errormsg, NULL)
        PHP_FE(odbc_exec, NULL)
#ifdef PHP_ODBC_HAVE_FETCH_HASH
        PHP_FE(odbc_fetch_array, NULL)
        PHP_FE(odbc_fetch_object, NULL)
#endif
        PHP_FE(odbc_fetch_row, NULL)
        PHP_FE(odbc_fetch_into, second_arg_force_ref)
        PHP_FE(odbc_field_len, NULL)
        PHP_FE(odbc_field_scale, NULL)
        PHP_FE(odbc_field_name, NULL)
        PHP_FE(odbc_field_type, NULL)
        PHP_FE(odbc_field_num, NULL)
        PHP_FE(odbc_free_result, NULL)
        PHP_FE(odbc_gettypeinfo, NULL)
        PHP_FE(odbc_longreadlen, NULL)
#if !defined(HAVE_SOLID) && !defined(HAVE_SOLID_30)
        PHP_FE(odbc_next_result, NULL)
#endif
        PHP_FE(odbc_num_fields, NULL)
        PHP_FE(odbc_num_rows, NULL)
        PHP_FE(odbc_pconnect, NULL)
        PHP_FE(odbc_prepare, NULL)
        PHP_FE(odbc_result, NULL)
        PHP_FE(odbc_result_all, NULL)
        PHP_FE(odbc_rollback, NULL)
        PHP_FE(odbc_setoption, NULL)
        PHP_FE(odbc_specialcolumns, NULL)
        PHP_FE(odbc_statistics, NULL)
        PHP_FE(odbc_tables, NULL)
        PHP_FE(odbc_primarykeys, NULL)
#if !defined(HAVE_DBMAKER) && !defined(HAVE_SOLID) && !defined(HAVE_SOLID_30) &&!defined(HAVE_SOLID_35) && !defined(HAVE_BIRDSTEP)    /* not supported now */
        PHP_FE(odbc_columnprivileges, NULL)
        PHP_FE(odbc_tableprivileges, NULL)
#endif
#if !defined(HAVE_SOLID) && !defined(HAVE_SOLID_30) && !defined(HAVE_SOLID_35) /* not supported */
        PHP_FE(odbc_foreignkeys, NULL)
        PHP_FE(odbc_procedures, NULL)
#if !defined(HAVE_BIRDSTEP)
        PHP_FE(odbc_procedurecolumns, NULL)
#endif
#endif
        PHP_FALIAS(odbc_do, odbc_exec, NULL)
        PHP_FALIAS(odbc_field_precision, odbc_field_len, NULL)
        { NULL, NULL, NULL }
};
/* }}} */

ZEND_DECLARE_MODULE_GLOBALS(odbc);
static PHP_GINIT_FUNCTION(odbc);

/* {{{ odbc_module_entry
 */
zend_module_entry odbc_module_entry = {
        STANDARD_MODULE_HEADER,
        "odbc", 
        odbc_functions, 
        PHP_MINIT(odbc), 
        PHP_MSHUTDOWN(odbc),
        PHP_RINIT(odbc), 
        PHP_RSHUTDOWN(odbc), 
        PHP_MINFO(odbc), 
        "1.0",
        PHP_MODULE_GLOBALS(odbc),
        PHP_GINIT(odbc),
        NULL,
        NULL,
        STANDARD_MODULE_PROPERTIES_EX
};
/* }}} */

#ifdef COMPILE_DL_ODBC
ZEND_GET_MODULE(odbc)
# ifdef PHP_WIN32
# include "zend_arg_defs.c"
# endif
#endif

/* {{{ _free_odbc_result
 */
static void _free_odbc_result(zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
        odbc_result *res = (odbc_result *)rsrc->ptr;
        int i;
        RETCODE rc;
        
        if (res) {
                if (res->values) {
                        for(i = 0; i < res->numcols; i++) {
                                if (res->values[i].value)
                                        efree(res->values[i].value);
                        }
                        efree(res->values);
                        res->values = NULL;
                }
                if (res->stmt) {
#if defined(HAVE_SOLID) || defined(HAVE_SOLID_30) || defined(HAVE_SOLID_35)
                        SQLTransact(res->conn_ptr->henv, res->conn_ptr->hdbc,
                                                (UWORD)SQL_COMMIT);
#endif
                        rc = SQLFreeStmt(res->stmt,SQL_DROP);
                        /* We don't want the connection to be closed after the last statment has been closed
                         * Connections will be closed on shutdown
                         * zend_list_delete(res->conn_ptr->id);
                         */
                }
                efree(res);
        }
}
/* }}} */

/* {{{ safe_odbc_disconnect
 * disconnect, and if it fails, then issue a rollback for any pending transaction (lurcher)
 */
static void safe_odbc_disconnect( void *handle )
{
        int ret;

        ret = SQLDisconnect( handle );
        if ( ret == SQL_ERROR )
        {
                SQLTransact( NULL, handle, SQL_ROLLBACK );
                SQLDisconnect( handle );
        }
}
/* }}} */

/* {{{ _close_odbc_conn
 */
static void _close_odbc_conn(zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
        int i, nument, type;
        void *ptr;
        odbc_result *res;

        odbc_connection *conn = (odbc_connection *)rsrc->ptr;

        nument = zend_hash_next_free_element(&EG(regular_list));
        for(i = 1; i < nument; i++) {
                ptr = zend_list_find(i, &type);
                if (ptr && (type == le_result)) {
                        res = (odbc_result *)ptr;
                        if (res->conn_ptr == conn) {
                                zend_list_delete(i);
                        }
                }
        }

        safe_odbc_disconnect(conn->hdbc);
        SQLFreeConnect(conn->hdbc);
        SQLFreeEnv(conn->henv);
        efree(conn);
        ODBCG(num_links)--;
}
/* }}} */

/* {{{ void _close_odbc_pconn
 */
static void _close_odbc_pconn(zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
        int i, nument, type;
        void *ptr;
        odbc_result *res;
        odbc_connection *conn = (odbc_connection *)rsrc->ptr;

        nument = zend_hash_next_free_element(&EG(persistent_list));
        for(i = 1; i < nument; i++) {
                ptr = zend_list_find(i, &type);
                if (ptr && (type == le_result)) {
                        res = (odbc_result *)ptr;
                        if (res->conn_ptr == conn) {
                                zend_list_delete(i);
                        }
                }
        }
        
        safe_odbc_disconnect(conn->hdbc);
        SQLFreeConnect(conn->hdbc);
        SQLFreeEnv(conn->henv);
        free(conn);

        ODBCG(num_links)--;
        ODBCG(num_persistent)--;
}
/* }}} */

/* {{{ PHP_INI_DISP(display_link_nums)
 */
static PHP_INI_DISP(display_link_nums)
{
        char *value;
        TSRMLS_FETCH();

        if (type == PHP_INI_DISPLAY_ORIG && ini_entry->modified) {
                value = ini_entry->orig_value;
        } else if (ini_entry->value) {
                value = ini_entry->value;
        } else {
                value = NULL;
        }

        if (value) {
                if (atoi(value) == -1) {
                        PUTS("Unlimited");
                } else {
                        php_printf("%s", value);
                }
        }
}
/* }}} */

/* {{{ PHP_INI_DISP(display_defPW)
 */
static PHP_INI_DISP(display_defPW)
{
        char *value;
        TSRMLS_FETCH();

        if (type == PHP_INI_DISPLAY_ORIG && ini_entry->modified) {
                value = ini_entry->orig_value;
        } else if (ini_entry->value) {
                value = ini_entry->value;
        } else {
                value = NULL;
        }

        if (value) {
#if PHP_DEBUG
                php_printf("%s", value);
#else
                PUTS("********");
#endif
        } else {
                if (PG(html_errors)) {
                        PUTS("<i>no value</i>");
                } else {
                        PUTS("no value");
                }
        }
}
/* }}} */

/* {{{ PHP_INI_DISP(display_binmode)
 */
static PHP_INI_DISP(display_binmode)
{
        char *value;
        TSRMLS_FETCH();
        
        if (type == PHP_INI_DISPLAY_ORIG && ini_entry->modified) {
                value = ini_entry->orig_value;
        } else if (ini_entry->value) {
                value = ini_entry->value;
        } else {
                value = NULL;
        }

        if (value) {
                switch(atoi(value)) {
                        case 0:
                                PUTS("passthru");
                                break;
                        case 1:
                                PUTS("return as is");
                                break;
                        case 2:
                                PUTS("return as char");
                                break;
                }
        }
}
/* }}} */

/* {{{ PHP_INI_DISP(display_lrl)
 */
static PHP_INI_DISP(display_lrl)
{
        char *value;
        TSRMLS_FETCH();

        if (type == PHP_INI_DISPLAY_ORIG && ini_entry->modified) {
                value = ini_entry->orig_value;
        } else if (ini_entry->value) {
                value = ini_entry->value;
        } else {
                value = NULL;
        }

        if (value) {
                if (atoi(value) <= 0) {
                        PUTS("Passthru");
                } else {
                        php_printf("return up to %s bytes", value);
                }
        }
}
/* }}} */

/* {{{ PHP_INI_BEGIN 
 */
PHP_INI_BEGIN()
        STD_PHP_INI_BOOLEAN("odbc.allow_persistent", "1", PHP_INI_SYSTEM, OnUpdateLong,
                        allow_persistent, zend_odbc_globals, odbc_globals)
        STD_PHP_INI_ENTRY_EX("odbc.max_persistent",  "-1", PHP_INI_SYSTEM, OnUpdateLong,
                        max_persistent, zend_odbc_globals, odbc_globals, display_link_nums)
        STD_PHP_INI_ENTRY_EX("odbc.max_links", "-1", PHP_INI_SYSTEM, OnUpdateLong,
                        max_links, zend_odbc_globals, odbc_globals, display_link_nums)
        STD_PHP_INI_ENTRY("odbc.default_db", NULL, PHP_INI_ALL, OnUpdateString,
                        defDB, zend_odbc_globals, odbc_globals)
        STD_PHP_INI_ENTRY("odbc.default_user", NULL, PHP_INI_ALL, OnUpdateString,
                        defUser, zend_odbc_globals, odbc_globals)
        STD_PHP_INI_ENTRY_EX("odbc.default_pw", NULL, PHP_INI_ALL, OnUpdateString,
                        defPW, zend_odbc_globals, odbc_globals, display_defPW)
        STD_PHP_INI_ENTRY_EX("odbc.defaultlrl", "4096", PHP_INI_ALL, OnUpdateLong,
                        defaultlrl, zend_odbc_globals, odbc_globals, display_lrl)
        STD_PHP_INI_ENTRY_EX("odbc.defaultbinmode", "1", PHP_INI_ALL, OnUpdateLong,
                        defaultbinmode, zend_odbc_globals, odbc_globals, display_binmode)
        STD_PHP_INI_BOOLEAN("odbc.check_persistent", "1", PHP_INI_SYSTEM, OnUpdateLong,
                        check_persistent, zend_odbc_globals, odbc_globals)
PHP_INI_END()
/* }}} */

static PHP_GINIT_FUNCTION(odbc)
{
        odbc_globals->num_persistent = 0;
}

/* {{{ PHP_MINIT_FUNCTION */
PHP_MINIT_FUNCTION(odbc)
{
#ifdef SQLANY_BUG
        ODBC_SQL_CONN_T foobar;
        RETCODE rc;
#endif

        REGISTER_INI_ENTRIES();
        le_result = zend_register_list_destructors_ex(_free_odbc_result, NULL, "odbc result", module_number);
        le_conn = zend_register_list_destructors_ex(_close_odbc_conn, NULL, "odbc link", module_number);
        le_pconn = zend_register_list_destructors_ex(NULL, _close_odbc_pconn, "odbc link persistent", module_number);
        Z_TYPE(odbc_module_entry) = type;
        
        REGISTER_STRING_CONSTANT("ODBC_TYPE", PHP_ODBC_TYPE, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("ODBC_BINMODE_PASSTHRU", 0, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("ODBC_BINMODE_RETURN", 1, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("ODBC_BINMODE_CONVERT", 2, CONST_CS | CONST_PERSISTENT);
        /* Define Constants for options
           these Constants are defined in <sqlext.h>
        */
        REGISTER_LONG_CONSTANT("SQL_ODBC_CURSORS", SQL_ODBC_CURSORS, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_CUR_USE_DRIVER", SQL_CUR_USE_DRIVER, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_CUR_USE_IF_NEEDED", SQL_CUR_USE_IF_NEEDED, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_CUR_USE_ODBC", SQL_CUR_USE_ODBC, CONST_PERSISTENT | CONST_CS);


        REGISTER_LONG_CONSTANT("SQL_CONCURRENCY", SQL_CONCURRENCY, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_CONCUR_READ_ONLY", SQL_CONCUR_READ_ONLY, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_CONCUR_LOCK", SQL_CONCUR_LOCK, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_CONCUR_ROWVER", SQL_CONCUR_ROWVER, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_CONCUR_VALUES", SQL_CONCUR_VALUES, CONST_PERSISTENT | CONST_CS);

        REGISTER_LONG_CONSTANT("SQL_CURSOR_TYPE", SQL_CURSOR_TYPE, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_CURSOR_FORWARD_ONLY", SQL_CURSOR_FORWARD_ONLY, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_CURSOR_KEYSET_DRIVEN", SQL_CURSOR_KEYSET_DRIVEN, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_CURSOR_DYNAMIC", SQL_CURSOR_DYNAMIC, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_CURSOR_STATIC", SQL_CURSOR_STATIC, CONST_PERSISTENT | CONST_CS);
        
        REGISTER_LONG_CONSTANT("SQL_KEYSET_SIZE", SQL_KEYSET_SIZE, CONST_PERSISTENT | CONST_CS);

        /* these are for the Data Source type */
        REGISTER_LONG_CONSTANT("SQL_FETCH_FIRST", SQL_FETCH_FIRST, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_FETCH_NEXT", SQL_FETCH_NEXT, CONST_PERSISTENT | CONST_CS);

        /*
         * register the standard data types
         */
        REGISTER_LONG_CONSTANT("SQL_CHAR", SQL_CHAR, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_VARCHAR", SQL_VARCHAR, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_LONGVARCHAR", SQL_LONGVARCHAR, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_DECIMAL", SQL_DECIMAL, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_NUMERIC", SQL_NUMERIC, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_BIT", SQL_BIT, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_TINYINT", SQL_TINYINT, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_SMALLINT", SQL_SMALLINT, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_INTEGER", SQL_INTEGER, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_BIGINT", SQL_BIGINT, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_REAL", SQL_REAL, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_FLOAT", SQL_FLOAT, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_DOUBLE", SQL_DOUBLE, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_BINARY", SQL_BINARY, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_VARBINARY", SQL_VARBINARY, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_LONGVARBINARY", SQL_LONGVARBINARY, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_DATE", SQL_DATE, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_TIME", SQL_TIME, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_TIMESTAMP", SQL_TIMESTAMP, CONST_PERSISTENT | CONST_CS);
#if defined(ODBCVER) && (ODBCVER >= 0x0300)
        REGISTER_LONG_CONSTANT("SQL_TYPE_DATE", SQL_TYPE_DATE, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_TYPE_TIME", SQL_TYPE_TIME, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_TYPE_TIMESTAMP", SQL_TYPE_TIMESTAMP, CONST_PERSISTENT | CONST_CS);

        /*
         * SQLSpecialColumns values
         */
        REGISTER_LONG_CONSTANT("SQL_BEST_ROWID", SQL_BEST_ROWID, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_ROWVER", SQL_ROWVER, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_SCOPE_CURROW", SQL_SCOPE_CURROW, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_SCOPE_TRANSACTION", SQL_SCOPE_TRANSACTION, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_SCOPE_SESSION", SQL_SCOPE_SESSION, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_NO_NULLS", SQL_NO_NULLS, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_NULLABLE", SQL_NULLABLE, CONST_PERSISTENT | CONST_CS);

        /*
         * SQLStatistics values
         */
        REGISTER_LONG_CONSTANT("SQL_INDEX_UNIQUE", SQL_INDEX_UNIQUE, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_INDEX_ALL", SQL_INDEX_ALL, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_ENSURE", SQL_ENSURE, CONST_PERSISTENT | CONST_CS);
        REGISTER_LONG_CONSTANT("SQL_QUICK", SQL_QUICK, CONST_PERSISTENT | CONST_CS);
#endif

#if defined(HAVE_IBMDB2) && defined(_AIX)
        /* atexit() handler in the DB2/AIX library segfaults in PHP CLI */
        /* DB2NOEXITLIST env variable prevents DB2 from invoking atexit() */
        putenv("DB2NOEXITLIST=TRUE");
#endif

        return SUCCESS;
}
/* }}} */

/* {{{ PHP_RINIT_FUNCTION */
PHP_RINIT_FUNCTION(odbc)
{
        ODBCG(defConn) = -1;
        ODBCG(num_links) = ODBCG(num_persistent);
        memset(ODBCG(laststate), '\0', 6);
        memset(ODBCG(lasterrormsg), '\0', SQL_MAX_MESSAGE_LENGTH);
        return SUCCESS;
}
/* }}} */

/* {{{ PHP_RSHUTDOWN_FUNCTION */
PHP_RSHUTDOWN_FUNCTION(odbc)
{
        return SUCCESS;
}
/* }}} */

/* {{{ PHP_MSHUTDOWN_FUNCTION */
PHP_MSHUTDOWN_FUNCTION(odbc)
{
        UNREGISTER_INI_ENTRIES();
        return SUCCESS;
}
/* }}} */

/* {{{ PHP_MINFO_FUNCTION */
PHP_MINFO_FUNCTION(odbc)
{
        char buf[32];

        php_info_print_table_start();
        php_info_print_table_header(2, "ODBC Support", "enabled");
        snprintf(buf, sizeof(buf), "%ld", ODBCG(num_persistent));
        php_info_print_table_row(2, "Active Persistent Links", buf);
        snprintf(buf, sizeof(buf), "%ld", ODBCG(num_links));
        php_info_print_table_row(2, "Active Links", buf);
        php_info_print_table_row(2, "ODBC library", PHP_ODBC_TYPE);
#ifndef PHP_WIN32
        php_info_print_table_row(2, "ODBC_INCLUDE", PHP_ODBC_INCLUDE);
        php_info_print_table_row(2, "ODBC_LFLAGS", PHP_ODBC_LFLAGS);
        php_info_print_table_row(2, "ODBC_LIBS", PHP_ODBC_LIBS);
#endif
        php_info_print_table_end();

        DISPLAY_INI_ENTRIES();

}        
/* }}} */

/* {{{ odbc_sql_error */
void odbc_sql_error(ODBC_SQL_ERROR_PARAMS)
{
        char    state[6];
        SDWORD  error;        /* Not used */
        char    errormsg[SQL_MAX_MESSAGE_LENGTH];
        SWORD   errormsgsize; /* Not used */
        RETCODE rc;
        ODBC_SQL_ENV_T henv;
        ODBC_SQL_CONN_T conn;
        TSRMLS_FETCH();

        if (conn_resource) {
                henv = conn_resource->henv;
                conn = conn_resource->hdbc;
        } else {
                henv = SQL_NULL_HENV;
                conn = SQL_NULL_HDBC;
        }

        /* This leads to an endless loop in many drivers! 
         *
           while(henv != SQL_NULL_HENV){
                do {
         */
        rc = SQLError(henv, conn, stmt, state, &error, errormsg, sizeof(errormsg)-1, &errormsgsize);
        if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO) {
                snprintf(state, sizeof(state), "HY000");
                snprintf(errormsg, sizeof(errormsg), "Failed to fetch error message");
        }
        if (conn_resource) {
                memcpy(conn_resource->laststate, state, sizeof(state));
                memcpy(conn_resource->lasterrormsg, errormsg, sizeof(errormsg));
        }
        memcpy(ODBCG(laststate), state, sizeof(state));
        memcpy(ODBCG(lasterrormsg), errormsg, sizeof(errormsg));
        if (func) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "SQL error: %s, SQL state %s in %s", errormsg, state, func);
        } else {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "SQL error: %s, SQL state %s", errormsg, state);
        }
        /*              
                } while (SQL_SUCCEEDED(rc));
        }
        */
}
/* }}} */

/* {{{ php_odbc_fetch_attribs */
void php_odbc_fetch_attribs(INTERNAL_FUNCTION_PARAMETERS, int mode)
{
        odbc_result *result;
        zval **pv_res, **pv_flag;

        if (zend_get_parameters_ex(2, &pv_res, &pv_flag) == FAILURE)
                WRONG_PARAM_COUNT;

        convert_to_long_ex(pv_flag);
        
        if (Z_LVAL_PP(pv_res)) {
                ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result);
        if (mode)
            result->longreadlen = Z_LVAL_PP(pv_flag);   
        else
            result->binmode = Z_LVAL_PP(pv_flag);
        } else {
        if (mode)
            ODBCG(defaultlrl) = Z_LVAL_PP(pv_flag);
        else
            ODBCG(defaultbinmode) = Z_LVAL_PP(pv_flag);
        }
        RETURN_TRUE;
}
/* }}} */

/* {{{ odbc_bindcols */
int odbc_bindcols(odbc_result *result TSRMLS_DC)
{
        RETCODE rc;
        int i;
        SWORD       colnamelen; /* Not used */
        SDWORD      displaysize;

        result->values = (odbc_result_value *) safe_emalloc(sizeof(odbc_result_value), result->numcols, 0);

        result->longreadlen = ODBCG(defaultlrl);
        result->binmode = ODBCG(defaultbinmode);

        for(i = 0; i < result->numcols; i++) {
                rc = SQLColAttributes(result->stmt, (UWORD)(i+1), SQL_COLUMN_NAME, 
                                result->values[i].name, sizeof(result->values[i].name), &colnamelen, 0);
                rc = SQLColAttributes(result->stmt, (UWORD)(i+1), SQL_COLUMN_TYPE, 
                                NULL, 0, NULL, &result->values[i].coltype);
                
                /* Don't bind LONG / BINARY columns, so that fetch behaviour can
                 * be controlled by odbc_binmode() / odbc_longreadlen()
                 */
                
                switch(result->values[i].coltype) {
                        case SQL_BINARY:
                        case SQL_VARBINARY:
                        case SQL_LONGVARBINARY:
                        case SQL_LONGVARCHAR:
                                result->values[i].value = NULL;
                                break;
                                
#ifdef HAVE_ADABAS
                        case SQL_TIMESTAMP:
                                result->values[i].value = (char *)emalloc(27);
                                SQLBindCol(result->stmt, (UWORD)(i+1), SQL_C_CHAR, result->values[i].value,
                                                        27, &result->values[i].vallen);
                                break;
#endif /* HAVE_ADABAS */
                        default:
                                rc = SQLColAttributes(result->stmt, (UWORD)(i+1), SQL_COLUMN_DISPLAY_SIZE,
                                                                        NULL, 0, NULL, &displaysize);
                                displaysize = displaysize <= result->longreadlen ? displaysize : 
                                                                result->longreadlen;
                                result->values[i].value = (char *)emalloc(displaysize + 1);
                                rc = SQLBindCol(result->stmt, (UWORD)(i+1), SQL_C_CHAR, result->values[i].value,
                                                        displaysize + 1, &result->values[i].vallen);
                                break;
                }
        }
        return 1;
}
/* }}} */

/* {{{ odbc_transact */
void odbc_transact(INTERNAL_FUNCTION_PARAMETERS, int type)
{
        odbc_connection *conn;
        RETCODE rc;
        zval **pv_conn;
        
        if (zend_get_parameters_ex(1, &pv_conn) == FAILURE) {
                WRONG_PARAM_COUNT;
        }

        ZEND_FETCH_RESOURCE2(conn, odbc_connection *, pv_conn, -1, "ODBC-Link", le_conn, le_pconn);
        
        rc = SQLTransact(conn->henv, conn->hdbc, (UWORD)((type)?SQL_COMMIT:SQL_ROLLBACK));
        if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO) {
                odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLTransact");
                RETURN_FALSE;
        }

        RETURN_TRUE;
}
/* }}} */

/* {{{ _close_pconn_with_id */
static int _close_pconn_with_id(zend_rsrc_list_entry *le, int *id TSRMLS_DC)
{
        if(Z_TYPE_P(le) == le_pconn && (((odbc_connection *)(le->ptr))->id == *id)){
                return 1;
        }else{
                return 0;
        }
}
/* }}} */

/* {{{ odbc_column_lengths */
void odbc_column_lengths(INTERNAL_FUNCTION_PARAMETERS, int type)
{
        odbc_result *result;
#if defined(HAVE_SOLID) || defined(HAVE_SOLID_30) || defined(HAVE_OPENLINK)
        /* this seems to be necessary for Solid2.3 ( tested by 
         * tammy@synchronis.com) and Solid 3.0 (tested by eric@terra.telemediair.nl)
         * Solid does not seem to declare a SQLINTEGER, but it does declare a
         * SQL_INTEGER which does not work (despite being the same type as a SDWORD.
         * Solid 3.5 does not have this issue.
         */
        SDWORD len;
#else
        SQLINTEGER len;
#endif
        zval **pv_res, **pv_num;

        if (zend_get_parameters_ex(2, &pv_res, &pv_num) == FAILURE) {
                WRONG_PARAM_COUNT;
        }

        convert_to_long_ex(pv_num);

        ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result);

        if (result->numcols == 0) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "No tuples available at this result index");
                RETURN_FALSE;
        }

        if (Z_LVAL_PP(pv_num) > result->numcols) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Field index larger than number of fields");
                RETURN_FALSE;
        }

        if (Z_LVAL_PP(pv_num) < 1) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Field numbering starts at 1");
                RETURN_FALSE;
        }

        SQLColAttributes(result->stmt, (UWORD)Z_LVAL_PP(pv_num), 
                                        (SQLUSMALLINT) (type?SQL_COLUMN_SCALE:SQL_COLUMN_PRECISION),
                                        NULL, 0, NULL, &len);

        RETURN_LONG(len);
}
/* }}} */

/* Main User Functions */

/* {{{ proto void odbc_close_all(void)
   Close all ODBC connections */
PHP_FUNCTION(odbc_close_all)
{
        void *ptr;
        int type;
        int i;
        int nument;

        if (ZEND_NUM_ARGS() != 0) {
                WRONG_PARAM_COUNT;
        }

        nument = zend_hash_next_free_element(&EG(regular_list));
        
        /* Loop through list and close all statements */
        for(i = 1; i < nument; i++) {
                ptr = zend_list_find(i, &type);
                if (ptr && (type == le_result)){
                        zend_list_delete(i);
                }
        }

        /* Second loop through list, now close all connections */
        nument = zend_hash_next_free_element(&EG(regular_list));
        
        for(i = 1; i < nument; i++) {
                ptr = zend_list_find(i, &type);
                if (ptr){
                        if(type == le_conn){
                                zend_list_delete(i);
                        }else if(type == le_pconn){
                                zend_list_delete(i);
                                /* Delete the persistent connection */
                                zend_hash_apply_with_argument(&EG(persistent_list), 
                                        (apply_func_arg_t) _close_pconn_with_id, (void *) &i TSRMLS_CC);
                        }
                }
        }
}
/* }}} */

/* {{{ proto bool odbc_binmode(int result_id, int mode)
   Handle binary column data */
PHP_FUNCTION(odbc_binmode)
{
        php_odbc_fetch_attribs(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
}
/* }}} */

/* {{{ proto bool odbc_longreadlen(int result_id, int length)
   Handle LONG columns */
PHP_FUNCTION(odbc_longreadlen)
{
        php_odbc_fetch_attribs(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
}
/* }}} */

/* {{{ proto resource odbc_prepare(resource connection_id, string query)
   Prepares a statement for execution */
PHP_FUNCTION(odbc_prepare)
{
        zval **pv_conn, **pv_query;
        char *query;
        odbc_result *result = NULL;
        odbc_connection *conn;
        RETCODE rc;
#ifdef HAVE_SQL_EXTENDED_FETCH
        UDWORD      scrollopts;
#endif

        if (zend_get_parameters_ex(2, &pv_conn, &pv_query) == FAILURE) {
                WRONG_PARAM_COUNT;
        }

        ZEND_FETCH_RESOURCE2(conn, odbc_connection *, pv_conn, -1, "ODBC-Link", le_conn, le_pconn);

        convert_to_string_ex(pv_query);
        query = Z_STRVAL_PP(pv_query);

        result = (odbc_result *)ecalloc(1, sizeof(odbc_result));
        
        result->numparams = 0;
        
        rc = SQLAllocStmt(conn->hdbc, &(result->stmt));
        if (rc == SQL_INVALID_HANDLE) {
                efree(result);
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "SQLAllocStmt error 'Invalid Handle'");
                RETURN_FALSE;
        }

        if (rc == SQL_ERROR) {
                odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLAllocStmt");
                efree(result);
                RETURN_FALSE;
        }

#ifdef HAVE_SQL_EXTENDED_FETCH
        /* Solid doesn't have ExtendedFetch, if DriverManager is used, get Info,
           whether Driver supports ExtendedFetch */
        rc = SQLGetInfo(conn->hdbc, SQL_FETCH_DIRECTION, (void *) &scrollopts, sizeof(scrollopts), NULL);
        if (rc == SQL_SUCCESS) {
                if ((result->fetch_abs = (scrollopts & SQL_FD_FETCH_ABSOLUTE))) {
                        /* Try to set CURSOR_TYPE to dynamic. Driver will replace this with other
                           type if not possible.
                        */
                        if (SQLSetStmtOption(result->stmt, SQL_CURSOR_TYPE, SQL_CURSOR_DYNAMIC)
                                == SQL_ERROR) {
                                odbc_sql_error(conn, result->stmt, " SQLSetStmtOption");
                                SQLFreeStmt(result->stmt, SQL_DROP);
                                efree(result);
                                RETURN_FALSE;
                        }
                }
        } else {
                result->fetch_abs = 0;
        }
#endif

        rc = SQLPrepare(result->stmt, query, SQL_NTS);
        switch (rc) {
                case SQL_SUCCESS:
                        break;
                case SQL_SUCCESS_WITH_INFO:
                        odbc_sql_error(conn, result->stmt, "SQLPrepare");
                        break;
                default:
                        odbc_sql_error(conn, result->stmt, "SQLPrepare");
                        RETURN_FALSE;
        }
        
        SQLNumParams(result->stmt, &(result->numparams));
        SQLNumResultCols(result->stmt, &(result->numcols));

        if (result->numcols > 0) {
                if (!odbc_bindcols(result TSRMLS_CC)) {
                        efree(result);
                        RETURN_FALSE;
                }
        } else {
                result->values = NULL;
        }
        zend_list_addref(conn->id);
        result->conn_ptr = conn;
        result->fetched = 0;
        ZEND_REGISTER_RESOURCE(return_value, result, le_result);  
}
/* }}} */

/*
 * Execute prepared SQL statement. Supports only input parameters.
 */

/* {{{ proto bool odbc_execute(resource result_id [, array parameters_array])
   Execute a prepared statement */
PHP_FUNCTION(odbc_execute)
{ 
        zval **pv_res, **pv_param_arr, **tmp;
        typedef struct params_t {
                SDWORD vallen;
                int fp;
        } params_t;
        params_t *params = NULL;
        char *filename;
        unsigned char otype;
        SWORD sqltype, ctype, scale;
        SWORD nullable;
        UDWORD precision;
        odbc_result   *result;
        int numArgs, i, ne;
        RETCODE rc;
        
        numArgs = ZEND_NUM_ARGS();
        switch(numArgs) {
                case 1:
                        if (zend_get_parameters_ex(1, &pv_res) == FAILURE)
                                WRONG_PARAM_COUNT;
                        break;
                case 2:
                        if (zend_get_parameters_ex(2, &pv_res, &pv_param_arr) == FAILURE)
                                WRONG_PARAM_COUNT;
                        if (Z_TYPE_PP(pv_param_arr) != IS_ARRAY) {
                                php_error_docref(NULL TSRMLS_CC, E_WARNING, "No array passed");
                                RETURN_FALSE;
                        }
                        break;
                default:
                        WRONG_PARAM_COUNT;
        }

        ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result);
        
        /* XXX check for already bound parameters*/
        if (result->numparams > 0 && numArgs == 1) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "No parameters to SQL statement given");
                RETURN_FALSE;
        }

        if (result->numparams > 0) {
                if ((ne = zend_hash_num_elements(Z_ARRVAL_PP(pv_param_arr))) < result->numparams) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING,"Not enough parameters (%d should be %d) given", ne, result->numparams);
                        RETURN_FALSE;
                }

                zend_hash_internal_pointer_reset(Z_ARRVAL_PP(pv_param_arr));
                params = (params_t *)safe_emalloc(sizeof(params_t), result->numparams, 0);
                
                for(i = 1; i <= result->numparams; i++) {
                        if (zend_hash_get_current_data(Z_ARRVAL_PP(pv_param_arr), (void **) &tmp) == FAILURE) {
                                php_error_docref(NULL TSRMLS_CC, E_WARNING,"Error getting parameter");
                                SQLFreeStmt(result->stmt,SQL_RESET_PARAMS);
                                efree(params);
                                RETURN_FALSE;
                        }

                        otype = (*tmp)->type;
                        convert_to_string(*tmp);
                        if (Z_TYPE_PP(tmp) != IS_STRING) {
                                php_error_docref(NULL TSRMLS_CC, E_WARNING,"Error converting parameter");
                                SQLFreeStmt(result->stmt, SQL_RESET_PARAMS);
                                efree(params);
                                RETURN_FALSE;
                        }
                        
                        SQLDescribeParam(result->stmt, (UWORD)i, &sqltype, &precision,
                                                         &scale, &nullable);
                        params[i-1].vallen = Z_STRLEN_PP(tmp);
                        params[i-1].fp = -1;

                        if (IS_SQL_BINARY(sqltype))
                                ctype = SQL_C_BINARY;
                        else
                                ctype = SQL_C_CHAR;

                        if (Z_STRLEN_PP(tmp) > 2 &&
                                Z_STRVAL_PP(tmp)[0] == '\'' &&
                                Z_STRVAL_PP(tmp)[Z_STRLEN_PP(tmp) - 1] == '\'') {
                                filename = estrndup(&Z_STRVAL_PP(tmp)[1], Z_STRLEN_PP(tmp) - 2);
                                filename[strlen(filename)] = '\0';

                                /* Check for safe mode. */
                                if (PG(safe_mode) && (!php_checkuid(filename, NULL, CHECKUID_CHECK_FILE_AND_DIR))) {
                                        efree(filename);
                                        efree(params);
                                        RETURN_FALSE;
                                }

                                /* Check the basedir */
                                if (php_check_open_basedir(filename TSRMLS_CC)) {
                                        efree(filename);
                                        efree(params);
                                        RETURN_FALSE;
                                }

                                if ((params[i-1].fp = open(filename,O_RDONLY)) == -1) {
                                        php_error_docref(NULL TSRMLS_CC, E_WARNING,"Can't open file %s", filename);
                                        SQLFreeStmt(result->stmt, SQL_RESET_PARAMS);
                                        for(i = 0; i < result->numparams; i++) {
                                                if (params[i].fp != -1) {
                                                        close(params[i].fp);
                                                }
                                        }
                                        efree(params);
                                        efree(filename);
                                        RETURN_FALSE;
                                }

                                efree(filename);

                                params[i-1].vallen = SQL_LEN_DATA_AT_EXEC(0);

                                rc = SQLBindParameter(result->stmt, (UWORD)i, SQL_PARAM_INPUT,
                                                                          ctype, sqltype, precision, scale,
                                                                          (void *)params[i-1].fp, 0,
                                                                          &params[i-1].vallen);
                        } else {
#ifdef HAVE_DBMAKER
                                precision = params[i-1].vallen;
#endif
                                if (otype == IS_NULL) {
                                        params[i-1].vallen = SQL_NULL_DATA;
                                }

                                rc = SQLBindParameter(result->stmt, (UWORD)i, SQL_PARAM_INPUT,
                                                                          ctype, sqltype, precision, scale,
                                                                          Z_STRVAL_PP(tmp), 0,
                                                                          &params[i-1].vallen);
                        }
                        zend_hash_move_forward(Z_ARRVAL_PP(pv_param_arr));
                }
        }
        /* Close cursor, needed for doing multiple selects */
        rc = SQLFreeStmt(result->stmt, SQL_CLOSE);

        if (rc == SQL_ERROR) {
                odbc_sql_error(result->conn_ptr, result->stmt, "SQLFreeStmt");  
        }

        rc = SQLExecute(result->stmt);

        result->fetched = 0;
        if (rc == SQL_NEED_DATA) {
                char buf[4096];
                int fp, nbytes;
                while(rc == SQL_NEED_DATA) {
                        rc = SQLParamData(result->stmt, (void*)&fp);
                        if (rc == SQL_NEED_DATA) {
                                while((nbytes = read(fp, &buf, 4096)) > 0)
                                        SQLPutData(result->stmt, (void*)&buf, nbytes);
                        }
                }
        } else {
                switch (rc) {
                        case SQL_SUCCESS:
                                break;
                        case SQL_NO_DATA_FOUND:
                        case SQL_SUCCESS_WITH_INFO:
                                odbc_sql_error(result->conn_ptr, result->stmt, "SQLExecute");
                                break;
                        default:
                                odbc_sql_error(result->conn_ptr, result->stmt, "SQLExecute");
                                RETVAL_FALSE;
                }
        }       
        
        if (result->numparams > 0) {
                SQLFreeStmt(result->stmt, SQL_RESET_PARAMS);
                for(i = 0; i < result->numparams; i++) {
                        if (params[i].fp != -1)
                                close(params[i].fp);
                }
                efree(params);
        }

        if (rc == SQL_SUCCESS || rc == SQL_SUCCESS_WITH_INFO || rc == SQL_NO_DATA_FOUND) {
                RETVAL_TRUE;
        }

        if (result->numcols == 0) {
                SQLNumResultCols(result->stmt, &(result->numcols));

                if (result->numcols > 0) {
                        if (!odbc_bindcols(result TSRMLS_CC)) {
                                efree(result);
                                RETVAL_FALSE;
                        }
                } else {
                        result->values = NULL;
                }
        }
}
/* }}} */

/* {{{ proto string odbc_cursor(resource result_id)
   Get cursor name */
PHP_FUNCTION(odbc_cursor)
{
        zval **pv_res;
        SWORD len, max_len;
        char *cursorname;
        odbc_result *result;
        RETCODE rc;

        if (zend_get_parameters_ex(1, &pv_res) == FAILURE) {
                WRONG_PARAM_COUNT;
        }

        ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result);

        rc = SQLGetInfo(result->conn_ptr->hdbc,SQL_MAX_CURSOR_NAME_LEN,
                                        (void *)&max_len,sizeof(max_len),&len);
        if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO) {
                RETURN_FALSE;
        }
        
        if (max_len > 0) {
                cursorname = emalloc(max_len + 1);
                rc = SQLGetCursorName(result->stmt,cursorname,(SWORD)max_len,&len);
                if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO) {
                        char    state[6];     /* Not used */
                        SDWORD  error;        /* Not used */
                        char    errormsg[255];
                        SWORD   errormsgsize; /* Not used */

                        SQLError( result->conn_ptr->henv, result->conn_ptr->hdbc,
                                                result->stmt, state, &error, errormsg,
                                                sizeof(errormsg)-1, &errormsgsize);
                        if (!strncmp(state,"S1015",5)) {
                                snprintf(cursorname, max_len+1, "php_curs_%d", (int)result->stmt);
                                if (SQLSetCursorName(result->stmt,cursorname,SQL_NTS) != SQL_SUCCESS) {
                                        odbc_sql_error(result->conn_ptr, result->stmt, "SQLSetCursorName");
                                        RETVAL_FALSE;
                                } else {
                                        RETVAL_STRING(cursorname,1);
                                }
                        } else {
                                php_error_docref(NULL TSRMLS_CC, E_WARNING, "SQL error: %s, SQL state %s", errormsg, state);
                                RETVAL_FALSE;
                        }
                } else {
                        RETVAL_STRING(cursorname,1);
                }
                efree(cursorname);
        } else {
                RETVAL_FALSE;
        }
}
/* }}} */

#ifdef HAVE_SQLDATASOURCES
/* {{{ proto array odbc_data_source(resource connection_id, int fetch_type)
   Return information about the currently connected data source */
PHP_FUNCTION(odbc_data_source)
{
        zval **zv_fetch_type, **zv_conn;
        RETCODE rc = 0; /* assume all is good */
        odbc_connection *conn;
        int num_args = ZEND_NUM_ARGS();
        UCHAR server_name[100],
                  desc[200];
        SQLSMALLINT len1=0, len2=0, fetch_type;

        if (num_args != 2) {
                WRONG_PARAM_COUNT;
        }

        if (zend_get_parameters_ex(2, &zv_conn, &zv_fetch_type) == FAILURE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to get parameters");
                RETURN_FALSE;
        }

        convert_to_long_ex(zv_fetch_type);
        fetch_type = (SQLSMALLINT)Z_LVAL_PP(zv_fetch_type);

        if (!(fetch_type == SQL_FETCH_FIRST ||
              fetch_type == SQL_FETCH_NEXT)) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid fetch type (%d)", fetch_type);
                RETURN_FALSE;
        }

        ZEND_FETCH_RESOURCE2(conn, odbc_connection *, zv_conn, -1, "ODBC-Link", le_conn, le_pconn);

        /* now we have the "connection" lets call the DataSource object */
        rc = SQLDataSources(conn->henv, 
                        fetch_type,
                        server_name,
                        (SQLSMALLINT)sizeof(server_name),
                        &len1,
                        desc, 
                        (SQLSMALLINT)sizeof(desc),
                        &len2);

        if (rc != SQL_SUCCESS) {
                /* ummm.... he did it */
                odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLDataSources");
                RETURN_FALSE;
        }

        if (len1 == 0 || len2 == 0) {
                /* we have a non-valid entry... so stop the looping */
                RETURN_FALSE;
        }

        array_init(return_value);

        add_assoc_string_ex(return_value, "server", sizeof("server"), server_name, 1);
        add_assoc_string_ex(return_value, "description", sizeof("description"), desc, 1);

}
/* }}} */
#endif /* HAVE_SQLDATASOURCES */

/* {{{ proto resource odbc_exec(resource connection_id, string query [, int flags])
   Prepare and execute an SQL statement */
/* XXX Use flags */
PHP_FUNCTION(odbc_exec)
{
        zval **pv_conn, **pv_query, **pv_flags;
        int numArgs;
        char *query;
        odbc_result *result = NULL;
        odbc_connection *conn;
        RETCODE rc;
#ifdef HAVE_SQL_EXTENDED_FETCH
        UDWORD      scrollopts;
#endif

        numArgs = ZEND_NUM_ARGS();
        if (numArgs > 2) {
                if (zend_get_parameters_ex(3, &pv_conn, &pv_query, &pv_flags) == FAILURE)
                        WRONG_PARAM_COUNT;
                convert_to_long_ex(pv_flags);
        } else {
                if (zend_get_parameters_ex(2, &pv_conn, &pv_query) == FAILURE)
                        WRONG_PARAM_COUNT;
        }

        ZEND_FETCH_RESOURCE2(conn, odbc_connection *, pv_conn, -1, "ODBC-Link", le_conn, le_pconn);
        
        convert_to_string_ex(pv_query);
        query = Z_STRVAL_PP(pv_query);
        
        result = (odbc_result *)ecalloc(1, sizeof(odbc_result));

        rc = SQLAllocStmt(conn->hdbc, &(result->stmt));
        if (rc == SQL_INVALID_HANDLE) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "SQLAllocStmt error 'Invalid Handle'");
                efree(result);
                RETURN_FALSE;
        }

        if (rc == SQL_ERROR) {
                odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLAllocStmt");
                efree(result);
                RETURN_FALSE;
        }
        
#ifdef HAVE_SQL_EXTENDED_FETCH
        /* Solid doesn't have ExtendedFetch, if DriverManager is used, get Info,
           whether Driver supports ExtendedFetch */
        rc = SQLGetInfo(conn->hdbc, SQL_FETCH_DIRECTION, (void *) &scrollopts, sizeof(scrollopts), NULL);
        if (rc == SQL_SUCCESS) {
                if ((result->fetch_abs = (scrollopts & SQL_FD_FETCH_ABSOLUTE))) {
                        /* Try to set CURSOR_TYPE to dynamic. Driver will replace this with other
                           type if not possible.
                         */
                        if (SQLSetStmtOption(result->stmt, SQL_CURSOR_TYPE, SQL_CURSOR_DYNAMIC)
                                == SQL_ERROR) {
                                odbc_sql_error(conn, result->stmt, " SQLSetStmtOption");
                                SQLFreeStmt(result->stmt, SQL_DROP);
                                efree(result);
                                RETURN_FALSE;
                        }
                }
        } else {
                result->fetch_abs = 0;
        }
#endif

        rc = SQLExecDirect(result->stmt, query, SQL_NTS);
        if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO && rc != SQL_NO_DATA_FOUND) { 
                /* XXX FIXME we should really check out SQLSTATE with SQLError
                 * in case rc is SQL_SUCCESS_WITH_INFO here.
                 */
                odbc_sql_error(conn, result->stmt, "SQLExecDirect"); 
                SQLFreeStmt(result->stmt, SQL_DROP);
                efree(result);
                RETURN_FALSE;
        }

        SQLNumResultCols(result->stmt, &(result->numcols));
        
        /* For insert, update etc. cols == 0 */
        if (result->numcols > 0) {
                if (!odbc_bindcols(result TSRMLS_CC)) {
                        efree(result);
                        RETURN_FALSE;
                }
        } else {
                result->values = NULL;
        }
        zend_list_addref(conn->id);
        result->conn_ptr = conn;
        result->fetched = 0;
        ZEND_REGISTER_RESOURCE(return_value, result, le_result);
}
/* }}} */

#ifdef PHP_ODBC_HAVE_FETCH_HASH
#define ODBC_NUM  1
#define ODBC_OBJECT  2

/* {{{ php_odbc_fetch_hash */
static void php_odbc_fetch_hash(INTERNAL_FUNCTION_PARAMETERS, int result_type)
{
        int i;
        odbc_result *result;
        RETCODE rc;
        SWORD sql_c_type;
        char *buf = NULL;
#ifdef HAVE_SQL_EXTENDED_FETCH
        UDWORD crow;
        UWORD  RowStatus[1];
        SDWORD rownum = -1;
        zval **pv_res, **pv_row, *tmp;

        switch(ZEND_NUM_ARGS()) {
                case 1:
                        if (zend_get_parameters_ex(1, &pv_res) == FAILURE) {
                                WRONG_PARAM_COUNT;
                        }
                        break;
                case 2:
                        if (zend_get_parameters_ex(2, &pv_res, &pv_row) == FAILURE) {
                                WRONG_PARAM_COUNT;
                        }
                        convert_to_long_ex(pv_row);
                        rownum = Z_LVAL_PP(pv_row);
                        break;
                default:
                        WRONG_PARAM_COUNT;
        }

#else
        zval **pv_res, *tmp;

        if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &pv_res) == FAILURE) {
                WRONG_PARAM_COUNT;
        }
#endif

        ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result);

        if (result->numcols == 0) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "No tuples available at this result index");
                RETURN_FALSE;
        }

#ifdef HAVE_SQL_EXTENDED_FETCH
        if (result->fetch_abs) {
                if (rownum > 0)
                        rc = SQLExtendedFetch(result->stmt,SQL_FETCH_ABSOLUTE,rownum,&crow,RowStatus);
                else
                        rc = SQLExtendedFetch(result->stmt,SQL_FETCH_NEXT,1,&crow,RowStatus);
        } else
#endif
        rc = SQLFetch(result->stmt);

        if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO) {
                RETURN_FALSE;
        }
        
        array_init(return_value);
        
#ifdef HAVE_SQL_EXTENDED_FETCH
        if (rownum > 0 && result->fetch_abs)
                result->fetched = rownum;
        else
#endif
                result->fetched++;

        for(i = 0; i < result->numcols; i++) {
                ALLOC_INIT_ZVAL(tmp);
                Z_TYPE_P(tmp) = IS_STRING;
                Z_STRLEN_P(tmp) = 0;
                sql_c_type = SQL_C_CHAR;

                switch(result->values[i].coltype) {
                        case SQL_BINARY:
                        case SQL_VARBINARY:
                        case SQL_LONGVARBINARY:
                                if (result->binmode <= 0) {
                                        Z_STRVAL_P(tmp) = STR_EMPTY_ALLOC();
                                        break;
                                }
                                if (result->binmode == 1) sql_c_type = SQL_C_BINARY;
                        case SQL_LONGVARCHAR:
                                if (IS_SQL_LONG(result->values[i].coltype) && result->longreadlen <= 0) {
                                        Z_STRVAL_P(tmp) = STR_EMPTY_ALLOC();
                                        break;
                                }
                                if (buf == NULL) buf = emalloc(result->longreadlen + 1);
                                rc = SQLGetData(result->stmt, (UWORD)(i + 1), sql_c_type,
                                                buf, result->longreadlen + 1, &result->values[i].vallen);

                                if (rc == SQL_ERROR) {
                                        odbc_sql_error(result->conn_ptr, result->stmt, "SQLGetData");
                                        efree(buf);
                                        RETURN_FALSE;
                                }

                                if (rc == SQL_SUCCESS_WITH_INFO) {
                                        Z_STRLEN_P(tmp) = result->longreadlen;
                                } else if (result->values[i].vallen == SQL_NULL_DATA) {
                                        ZVAL_NULL(tmp);
                                        break;
                                } else {
                                        Z_STRLEN_P(tmp) = result->values[i].vallen;
                                }
                                Z_STRVAL_P(tmp) = estrndup(buf, Z_STRLEN_P(tmp));
                                break;

                        default:
                                if (result->values[i].vallen == SQL_NULL_DATA) {
                                        ZVAL_NULL(tmp);
                                        break;
                                }
                                Z_STRLEN_P(tmp) = result->values[i].vallen;
                                Z_STRVAL_P(tmp) = estrndup(result->values[i].value,Z_STRLEN_P(tmp));
                                break;
                }

                if (result_type & ODBC_NUM) {
                        zend_hash_index_update(Z_ARRVAL_P(return_value), i, &tmp, sizeof(zval *), NULL);
                } else {
                        if (!*(result->values[i].name)) {
                                zend_hash_update(Z_ARRVAL_P(return_value), Z_STRVAL_P(tmp),
                                        Z_STRLEN_P(tmp)+1, &tmp, sizeof(zval *), NULL);
                        } else {
                                zend_hash_update(Z_ARRVAL_P(return_value), result->values[i].name, 
                                        strlen(result->values[i].name)+1, &tmp, sizeof(zval *), NULL);
                        }
                }
        }
        if (buf) efree(buf);
}
/* }}} */


/* {{{ proto object odbc_fetch_object(int result [, int rownumber])
   Fetch a result row as an object */
PHP_FUNCTION(odbc_fetch_object)
{
        php_odbc_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, ODBC_OBJECT);
        if (Z_TYPE_P(return_value) == IS_ARRAY) {
                object_and_properties_init(return_value, ZEND_STANDARD_CLASS_DEF_PTR, Z_ARRVAL_P(return_value));
        }
}
/* }}} */

/* {{{ proto array odbc_fetch_array(int result [, int rownumber])
   Fetch a result row as an associative array */
PHP_FUNCTION(odbc_fetch_array)
{
        php_odbc_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, ODBC_OBJECT);
}
/* }}} */
#endif

/* {{{ proto int odbc_fetch_into(resource result_id, array result_array, [, int rownumber])
   Fetch one result row into an array */ 
PHP_FUNCTION(odbc_fetch_into)
{
        int numArgs, i;
        odbc_result *result;
        RETCODE rc;
        SWORD sql_c_type;
        char *buf = NULL;
        zval **pv_res, **pv_res_arr, *tmp;
#ifdef HAVE_SQL_EXTENDED_FETCH
        zval **pv_row;
        UDWORD crow;
        UWORD  RowStatus[1];
        SDWORD rownum = -1;
#endif /* HAVE_SQL_EXTENDED_FETCH */
        
        numArgs = ZEND_NUM_ARGS();

        switch(numArgs) {
                case 2:
                        if (zend_get_parameters_ex(2, &pv_res, &pv_res_arr) == FAILURE) {
                                WRONG_PARAM_COUNT;
                        }
                        break;
#ifdef HAVE_SQL_EXTENDED_FETCH
                case 3:
                        if (zend_get_parameters_ex(3, &pv_res, &pv_res_arr, &pv_row) == FAILURE) {
                                WRONG_PARAM_COUNT;
                        }
                        SEPARATE_ZVAL(pv_row);
                        convert_to_long_ex(pv_row);
                        rownum = Z_LVAL_PP(pv_row);
                        break;
#endif /* HAVE_SQL_EXTENDED_FETCH */
                default:
                        WRONG_PARAM_COUNT;
        }

        ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result);
        
        if (result->numcols == 0) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "No tuples available at this result index");
                RETURN_FALSE;
        }
        
        if (Z_TYPE_PP(pv_res_arr) != IS_ARRAY) {
                array_init(*pv_res_arr);
        }

#ifdef HAVE_SQL_EXTENDED_FETCH
        if (result->fetch_abs) {
                if (rownum > 0)
                        rc = SQLExtendedFetch(result->stmt,SQL_FETCH_ABSOLUTE,rownum,&crow,RowStatus);
                else
                        rc = SQLExtendedFetch(result->stmt,SQL_FETCH_NEXT,1,&crow,RowStatus);
        } else
#endif
                rc = SQLFetch(result->stmt);

        if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO)
                RETURN_FALSE;

#ifdef HAVE_SQL_EXTENDED_FETCH
        if (rownum > 0 && result->fetch_abs)
                result->fetched = rownum;
        else
#endif
                result->fetched++;

        for(i = 0; i < result->numcols; i++) {
                ALLOC_ZVAL(tmp);
                tmp->refcount = 1;
                Z_TYPE_P(tmp) = IS_STRING;
                Z_STRLEN_P(tmp) = 0;
                sql_c_type = SQL_C_CHAR;

                switch(result->values[i].coltype) {
                        case SQL_BINARY:
                        case SQL_VARBINARY:
                        case SQL_LONGVARBINARY:
                                if (result->binmode <= 0) {
                                        Z_STRVAL_P(tmp) = STR_EMPTY_ALLOC();
                                        break;
                                }
                                if (result->binmode == 1) sql_c_type = SQL_C_BINARY; 
                        case SQL_LONGVARCHAR:
                                if (IS_SQL_LONG(result->values[i].coltype) && result->longreadlen <= 0) {
                                        Z_STRVAL_P(tmp) = STR_EMPTY_ALLOC();
                                        break;
                                }

                                if (buf == NULL) buf = emalloc(result->longreadlen + 1);
                                rc = SQLGetData(result->stmt, (UWORD)(i + 1),sql_c_type,
                                                                buf, result->longreadlen + 1, &result->values[i].vallen);

                                        if (rc == SQL_ERROR) {
                                        odbc_sql_error(result->conn_ptr, result->stmt, "SQLGetData");
                                        efree(buf);
                                        RETURN_FALSE;
                                }
                                if (rc == SQL_SUCCESS_WITH_INFO) {
                                        Z_STRLEN_P(tmp) = result->longreadlen;
                                } else if (result->values[i].vallen == SQL_NULL_DATA) {
                                        ZVAL_NULL(tmp);
                                        break;
                                } else {
                                        Z_STRLEN_P(tmp) = result->values[i].vallen;
                                }
                                Z_STRVAL_P(tmp) = estrndup(buf, Z_STRLEN_P(tmp));
                                break;

                        default:
                                if (result->values[i].vallen == SQL_NULL_DATA) {
                                        ZVAL_NULL(tmp);
                                        break;
                                }
                                Z_STRLEN_P(tmp) = result->values[i].vallen;
                                Z_STRVAL_P(tmp) = estrndup(result->values[i].value,Z_STRLEN_P(tmp));
                                break;
                }
                zend_hash_index_update(Z_ARRVAL_PP(pv_res_arr), i, &tmp, sizeof(zval *), NULL);
        }
        if (buf) efree(buf);
        RETURN_LONG(result->numcols);   
}
/* }}} */

/* {{{ proto bool solid_fetch_prev(resource result_id)
   */ 
#if defined(HAVE_SOLID) || defined(HAVE_SOLID_30) || defined(HAVE_SOLID_35)
PHP_FUNCTION(solid_fetch_prev)
{
        odbc_result *result;
        RETCODE rc;
        zval **pv_res;
        
        if (zend_get_parameters_ex(1, &pv_res) == FAILURE) {
                WRONG_PARAM_COUNT;
        }
        
        ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result);
        if (result->numcols == 0) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "No tuples available at this result index");
                RETURN_FALSE;
        }
        rc = SQLFetchPrev(result->stmt);

        if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO) {
                RETURN_FALSE;
        }

        if (result->fetched > 1) result->fetched--;

        RETURN_TRUE;
}
#endif
/* }}} */

/* {{{ proto bool odbc_fetch_row(resource result_id [, int row_number])
   Fetch a row */
PHP_FUNCTION(odbc_fetch_row)
{
        int numArgs;
        SDWORD rownum = 1;
        odbc_result *result;
        RETCODE rc;
        zval **pv_res, **pv_row;
#ifdef HAVE_SQL_EXTENDED_FETCH
        UDWORD crow;
        UWORD RowStatus[1];
#endif

        numArgs = ZEND_NUM_ARGS();
        switch (numArgs) {
                case 1:
                        if (zend_get_parameters_ex(1, &pv_res) == FAILURE)
                                WRONG_PARAM_COUNT;
                        break;
                case 2:
                        if (zend_get_parameters_ex(2, &pv_res, &pv_row) == FAILURE)
                                WRONG_PARAM_COUNT;
                        convert_to_long_ex(pv_row);
                        rownum = Z_LVAL_PP(pv_row);
                        break;
                default:
                        WRONG_PARAM_COUNT;
        }
        
        ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result);
        
        if (result->numcols == 0) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "No tuples available at this result index");
                RETURN_FALSE;
        }

#ifdef HAVE_SQL_EXTENDED_FETCH
        if (result->fetch_abs) {
                if (numArgs > 1)
                        rc = SQLExtendedFetch(result->stmt,SQL_FETCH_ABSOLUTE,rownum,&crow,RowStatus);
                else
                        rc = SQLExtendedFetch(result->stmt,SQL_FETCH_NEXT,1,&crow,RowStatus);
        } else
#endif
                rc = SQLFetch(result->stmt);

        if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO) {
                RETURN_FALSE;
        }
        
        if (numArgs > 1) {
                result->fetched = rownum;
        } else {
                result->fetched++;
        }
        
        RETURN_TRUE;
}       
/* }}} */

/* {{{ proto mixed odbc_result(resource result_id, mixed field)
   Get result data */ 
PHP_FUNCTION(odbc_result)
{
        char *field;
        int field_ind;
        SWORD sql_c_type = SQL_C_CHAR;
        odbc_result *result;
        int i = 0;
        RETCODE rc;
        SDWORD  fieldsize;
        zval **pv_res, **pv_field;
#ifdef HAVE_SQL_EXTENDED_FETCH
        UDWORD crow;
        UWORD RowStatus[1];
#endif

        field_ind = -1;
        field = NULL;

        if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2 , &pv_res, &pv_field) == FAILURE) {
                WRONG_PARAM_COUNT;
        }
        
        if (Z_TYPE_PP(pv_field) == IS_STRING) {
                field = Z_STRVAL_PP(pv_field);
        } else {
                convert_to_long_ex(pv_field);
                field_ind = Z_LVAL_PP(pv_field) - 1;
        }
        
        ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result);
        
        if ((result->numcols == 0)) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "No tuples available at this result index");
                RETURN_FALSE;
        }
        
        /* get field index if the field parameter was a string */
        if (field != NULL) {
                if (result->values == NULL) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Result set contains no data");
                        RETURN_FALSE;
                }

                for(i = 0; i < result->numcols; i++) {
                        if (!strcasecmp(result->values[i].name, field)) {
                                field_ind = i;
                                break;
                        }
                }

                if (field_ind < 0) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Field %s not found", field);
                        RETURN_FALSE;
                }
        } else {
                /* check for limits of field_ind if the field parameter was an int */
                if (field_ind >= result->numcols || field_ind < 0) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Field index is larger than the number of fields");
                        RETURN_FALSE;
                }
        }

        if (result->fetched == 0) {
                /* User forgot to call odbc_fetch_row(), or wants to reload the results, do it now */
#ifdef HAVE_SQL_EXTENDED_FETCH
                if (result->fetch_abs)
                        rc = SQLExtendedFetch(result->stmt, SQL_FETCH_NEXT, 1, &crow,RowStatus);
                else
#endif
                        rc = SQLFetch(result->stmt);

                if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO)
                        RETURN_FALSE;
                
                result->fetched++;
        }

        switch(result->values[field_ind].coltype) {
                case SQL_BINARY:
                case SQL_VARBINARY:
                case SQL_LONGVARBINARY:
                        if (result->binmode <= 1) sql_c_type = SQL_C_BINARY;
                        if (result->binmode <= 0) break; 
                case SQL_LONGVARCHAR:
                        if (IS_SQL_LONG(result->values[field_ind].coltype)) {
                           if (result->longreadlen <= 0) 
                                   break;
                           else 
                                   fieldsize = result->longreadlen;
                        } else {
                           SQLColAttributes(result->stmt, (UWORD)(field_ind + 1), 
                                                                (UWORD)((sql_c_type == SQL_C_BINARY) ? SQL_COLUMN_LENGTH :
                                                                SQL_COLUMN_DISPLAY_SIZE),
                                                                NULL, 0, NULL, &fieldsize);
                        }
                        /* For char data, the length of the returned string will be longreadlen - 1 */
                        fieldsize = (result->longreadlen <= 0) ? 4096 : result->longreadlen;
                        field = emalloc(fieldsize);

                /* SQLGetData will truncate CHAR data to fieldsize - 1 bytes and append \0.
                 * For binary data it is truncated to fieldsize bytes. 
                 */
                        rc = SQLGetData(result->stmt, (UWORD)(field_ind + 1), sql_c_type,
                                                        field, fieldsize, &result->values[field_ind].vallen);

                        if (rc == SQL_ERROR) {
                                odbc_sql_error(result->conn_ptr, result->stmt, "SQLGetData");
                                efree(field);
                                RETURN_FALSE;
                        }

                        if (result->values[field_ind].vallen == SQL_NULL_DATA) {
                                efree(field);
                                RETURN_NULL();
                        } else if (rc == SQL_NO_DATA_FOUND) {
                                efree(field);
                                RETURN_FALSE;
                        }
                        /* Reduce fieldlen by 1 if we have char data. One day we might 
                           have binary strings... */
                        if (result->values[field_ind].coltype == SQL_LONGVARCHAR) fieldsize -= 1;
                        /* Don't duplicate result, saves one emalloc.
                           For SQL_SUCCESS, the length is in vallen.
                         */
                        RETURN_STRINGL(field, (rc == SQL_SUCCESS_WITH_INFO) ? fieldsize :
                                                   result->values[field_ind].vallen, 0);
                        break;
                        
                default:
                        if (result->values[field_ind].vallen == SQL_NULL_DATA) {
                                RETURN_NULL();
                        } else {
                                RETURN_STRINGL(result->values[field_ind].value, result->values[field_ind].vallen, 1);
                        }
                        break;
        }

/* If we come here, output unbound LONG and/or BINARY column data to the client */
        
        /* We emalloc 1 byte more for SQL_C_CHAR (trailing \0) */
        fieldsize = (sql_c_type == SQL_C_CHAR) ? 4096 : 4095;
        field = emalloc(fieldsize);
        
        /* Call SQLGetData() until SQL_SUCCESS is returned */
        while(1) {
                rc = SQLGetData(result->stmt, (UWORD)(field_ind + 1),sql_c_type,
                                                        field, fieldsize, &result->values[field_ind].vallen);

                if (rc == SQL_ERROR) {
                        odbc_sql_error(result->conn_ptr, result->stmt, "SQLGetData");
                        efree(field);
                        RETURN_FALSE;
                }
                
                if (result->values[field_ind].vallen == SQL_NULL_DATA) {
                        efree(field);
                        RETURN_NULL();
                }
                /* chop the trailing \0 by outputing only 4095 bytes */
                PHPWRITE(field,(rc == SQL_SUCCESS_WITH_INFO) ? 4095 :
                                                   result->values[field_ind].vallen);

                if (rc == SQL_SUCCESS) { /* no more data avail */
                        efree(field);
                        RETURN_TRUE;
                }
        }
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto int odbc_result_all(resource result_id [, string format])
   Print result as HTML table */
PHP_FUNCTION(odbc_result_all)
{
        char *buf = NULL;
        int i, numArgs;
        odbc_result *result;
        RETCODE rc;
        zval **pv_res, **pv_format;
        SWORD sql_c_type;
#ifdef HAVE_SQL_EXTENDED_FETCH
        UDWORD crow;
        UWORD RowStatus[1];
#endif

        numArgs = ZEND_NUM_ARGS();
        if (numArgs ==  1) {
                if (zend_get_parameters_ex(1, &pv_res) == FAILURE)
                        WRONG_PARAM_COUNT;
        } else {
                if (zend_get_parameters_ex(2, &pv_res, &pv_format) == FAILURE)
                        WRONG_PARAM_COUNT;
        }
                                
        ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result);
        
        if (result->numcols == 0) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "No tuples available at this result index");
                RETURN_FALSE;
        }
#ifdef HAVE_SQL_EXTENDED_FETCH
        if (result->fetch_abs)
                rc = SQLExtendedFetch(result->stmt,SQL_FETCH_NEXT,1,&crow,RowStatus);
        else
#endif  
                rc = SQLFetch(result->stmt);

        if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO) {
                php_printf("<h2>No rows found</h2>\n");
                RETURN_LONG(0);
        }
        
        /* Start table tag */
        if (numArgs == 1) {
                php_printf("<table><tr>");
        } else {
                convert_to_string_ex(pv_format);        
                php_printf("<table %s ><tr>",Z_STRVAL_PP(pv_format)); 
        }
        
        for(i = 0; i < result->numcols; i++)
                php_printf("<th>%s</th>", result->values[i].name);

        php_printf("</tr>\n");

        while(rc == SQL_SUCCESS || rc == SQL_SUCCESS_WITH_INFO) {
                result->fetched++;
                php_printf("<tr>");
                for(i = 0; i < result->numcols; i++) {
                        sql_c_type = SQL_C_CHAR;
                        switch(result->values[i].coltype) {
                                case SQL_BINARY:
                                case SQL_VARBINARY:
                                case SQL_LONGVARBINARY:
                                        if (result->binmode <= 0) {
                                                php_printf("<td>Not printable</td>");
                                                break;
                                        }
                                        if (result->binmode <= 1) sql_c_type = SQL_C_BINARY; 
                                case SQL_LONGVARCHAR:
                                        if (IS_SQL_LONG(result->values[i].coltype) && 
                                                result->longreadlen <= 0) {
                                                php_printf("<td>Not printable</td>"); 
                                                break;
                                        }

                                        if (buf == NULL) buf = emalloc(result->longreadlen);

                                        rc = SQLGetData(result->stmt, (UWORD)(i + 1),sql_c_type,
                                                                buf, result->longreadlen, &result->values[i].vallen);
 
                                        php_printf("<td>");

                                        if (rc == SQL_ERROR) {
                                                odbc_sql_error(result->conn_ptr, result->stmt, "SQLGetData");
                                                php_printf("</td></tr></table>");
                                                efree(buf);
                                                RETURN_FALSE;
                                        }
                                        if (rc == SQL_SUCCESS_WITH_INFO)
                                                PHPWRITE(buf, result->longreadlen);
                                        else if (result->values[i].vallen == SQL_NULL_DATA) {
                                                php_printf("<td>NULL</td>");
                                                break;
                                        } else {
                                                PHPWRITE(buf, result->values[i].vallen);
                                        }
                                        php_printf("</td>");
                                        break;
                                default:
                                        if (result->values[i].vallen == SQL_NULL_DATA) {
                                                php_printf("<td>NULL</td>");
                                        } else {
                                                php_printf("<td>%s</td>", result->values[i].value);
                                        }
                                        break;
                        }
                }
                php_printf("</tr>\n");

#ifdef HAVE_SQL_EXTENDED_FETCH
                if (result->fetch_abs)
                        rc = SQLExtendedFetch(result->stmt,SQL_FETCH_NEXT,1,&crow,RowStatus);
                else
#endif
                        rc = SQLFetch(result->stmt);            
        }
        php_printf("</table>\n");
        if (buf) efree(buf);
        RETURN_LONG(result->fetched);
}
/* }}} */

/* {{{ proto bool odbc_free_result(resource result_id)
   Free resources associated with a result */
PHP_FUNCTION(odbc_free_result)
{
        zval **pv_res;
        odbc_result *result;
        int i;

        if (zend_get_parameters_ex(1, &pv_res) == FAILURE) {
                WRONG_PARAM_COUNT;
        }

        ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result);
        if (result->values) {
                for (i = 0; i < result->numcols; i++) {
                        if (result->values[i].value) {
                                efree(result->values[i].value);
                        }
                }
                efree(result->values);
                result->values = NULL;
        }
                        
        zend_list_delete(Z_LVAL_PP(pv_res));
        
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto resource odbc_connect(string DSN, string user, string password [, int cursor_option])
   Connect to a datasource */
PHP_FUNCTION(odbc_connect)
{
        odbc_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
}
/* }}} */

/* {{{ proto resource odbc_pconnect(string DSN, string user, string password [, int cursor_option])
   Establish a persistent connection to a datasource */
PHP_FUNCTION(odbc_pconnect)
{
        odbc_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
}
/* }}} */

/* {{{ odbc_sqlconnect */
int odbc_sqlconnect(odbc_connection **conn, char *db, char *uid, char *pwd, int cur_opt, int persistent TSRMLS_DC)
{
        RETCODE rc;
        
        *conn = (odbc_connection *)pemalloc(sizeof(odbc_connection), persistent);
        (*conn)->persistent = persistent;
        SQLAllocEnv(&((*conn)->henv));
        SQLAllocConnect((*conn)->henv, &((*conn)->hdbc));
        
#if defined(HAVE_SOLID) || defined(HAVE_SOLID_30) 
        SQLSetConnectOption((*conn)->hdbc, SQL_TRANSLATE_OPTION,
                        SQL_SOLID_XLATOPT_NOCNV);
#endif
#ifdef HAVE_ODBC_ROUTER
        {
#define CONNSTRSIZE 2048
         char *lpszConnStr = emalloc(CONNSTRSIZE);
         if (lpszConnStr && db) {
                 short cbszConnStr;
                 if (strstr(db, ";")) {
                         /* the caller has apparently passed a connection-string */
                         if (strstr(db, "uid") || strstr(db, "UID")) {
                                 uid = NULL;
                         }
                         if (strstr(db, "pwd") || strstr(db, "PWD")) {
                                 pwd = NULL;
                         }
                         strlcpy( lpszConnStr, db, CONNSTRSIZE);
                 }
                 else {
                         strcpy(lpszConnStr, "DSN=");
                         strlcat(lpszConnStr, db, CONNSTRSIZE);
                 }
                 if (uid) {
                         if (uid[0]) {
                                 strlcat(lpszConnStr, ";UID=", CONNSTRSIZE);
                                 strlcat(lpszConnStr, uid, CONNSTRSIZE);
                                 strlcat(lpszConnStr, ";", CONNSTRSIZE);
                         }
                         if (pwd) {
                                 if (pwd[0]) {
                                         strlcat(lpszConnStr, "PWD=", CONNSTRSIZE);
                                         strlcat(lpszConnStr, pwd, CONNSTRSIZE);
                                         strlcat(lpszConnStr, ";", CONNSTRSIZE);
                                 }
                         }
                 }
                 rc = SQLDriverConnect((*conn)->hdbc, NULL, lpszConnStr, SQL_NTS,
                                                           lpszConnStr, CONNSTRSIZE, &cbszConnStr,
                                                           SQL_DRIVER_NOPROMPT);
                 efree(lpszConnStr);
         }
        }
#else
#ifdef HAVE_OPENLINK
        {
                char dsnbuf[1024];
                short dsnbuflen;

                rc = SQLDriverConnect((*conn)->hdbc, NULL, db, SQL_NTS,
                                                        dsnbuf, sizeof(dsnbuf) - 1, &dsnbuflen,
                                                        SQL_DRIVER_NOPROMPT);
        }
#else
        if (cur_opt != SQL_CUR_DEFAULT) {
                rc = SQLSetConnectOption((*conn)->hdbc, SQL_ODBC_CURSORS, cur_opt);
                if (rc != SQL_SUCCESS) {  /* && rc != SQL_SUCCESS_WITH_INFO ? */
                        odbc_sql_error(*conn, SQL_NULL_HSTMT, "SQLSetConnectOption");
                        SQLFreeConnect((*conn)->hdbc);
                        pefree(*conn, persistent);
                        return FALSE;
                }
        }
/*  Possible fix for bug #10250
 *  Needs testing on UnixODBC < 2.0.5 though. */
#if defined(HAVE_EMPRESS) || defined(HAVE_UNIXODBC) || defined(PHP_WIN32)
/* *  Uncomment the line above, and comment line below to fully test 
 * #ifdef HAVE_EMPRESS */
        {
                int     direct = 0;
                char    dsnbuf[1024];
                short   dsnbuflen;
                char    *ldb = 0;
                int             ldb_len = 0;

                if (strstr((char*)db, ";")) {
                        direct = 1;
                        if (uid && !strstr ((char*)db, "uid") && !strstr((char*)db, "UID")) {
                                spprintf(&ldb, 0, "%s;UID=%s;PWD=%s", db, uid, pwd);
                        } else {
                                ldb_len = strlen(db)+1;
                                ldb = (char*) emalloc(ldb_len);
                                memcpy(ldb, db, ldb_len);
                        }
                }

                if (direct) {
                        rc = SQLDriverConnect((*conn)->hdbc, NULL, ldb, strlen(ldb), dsnbuf, 
                                                      sizeof(dsnbuf) - 1, &dsnbuflen, SQL_DRIVER_NOPROMPT);
                } else {
                        rc = SQLConnect((*conn)->hdbc, db, SQL_NTS, uid, SQL_NTS, pwd, SQL_NTS);
                }

                if (ldb) {
                        efree(ldb);
                }
        }
#else
        rc = SQLConnect((*conn)->hdbc, db, SQL_NTS, uid, SQL_NTS, pwd, SQL_NTS);
#endif
#endif
#endif
        if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO) {
                odbc_sql_error(*conn, SQL_NULL_HSTMT, "SQLConnect");
                SQLFreeConnect((*conn)->hdbc);
                pefree((*conn), persistent);
                return FALSE;
        }
/*      (*conn)->open = 1;*/
        return TRUE;
}
/* }}} */

/* Persistent connections: two list-types le_pconn, le_conn and a plist
 * where hashed connection info is stored together with index pointer to
 * the actual link of type le_pconn in the list. Only persistent 
 * connections get hashed up. Normal connections use existing pconnections.
 * Maybe this has to change with regard to transactions on pconnections?
 * Possibly set autocommit to on on request shutdown.
 *
 * We do have to hash non-persistent connections, and reuse connections.
 * In the case where two connects were being made, without closing the first
 * connect, access violations were occuring.  This is because some of the
 * "globals" in this module should actualy be per-connection variables.  I
 * simply fixed things to get them working for now.  Shane
 */
/* {{{ odbc_do_connect */
void odbc_do_connect(INTERNAL_FUNCTION_PARAMETERS, int persistent)
{
        char    *db = NULL;
        char    *uid = NULL;
        char    *pwd = NULL;
        zval **pv_db, **pv_uid, **pv_pwd, **pv_opt;
        odbc_connection *db_conn;
        char *hashed_details;
        int hashed_len, cur_opt;

        /*  Now an optional 4th parameter specifying the cursor type
         *  defaulting to the cursors default
         */
        switch(ZEND_NUM_ARGS()) {
                case 3: 
                        if (zend_get_parameters_ex(3, &pv_db, &pv_uid, &pv_pwd) == FAILURE) {
                                WRONG_PARAM_COUNT;
                        }
                        /* Use Default: Probably a better way to do this */
                        cur_opt = SQL_CUR_DEFAULT;
                        break;
                case 4:
                        if (zend_get_parameters_ex(4, &pv_db, &pv_uid, &pv_pwd, &pv_opt) == FAILURE) {
                                WRONG_PARAM_COUNT;
                        }
                        convert_to_long_ex(pv_opt);
                        cur_opt = Z_LVAL_PP(pv_opt);

                        /* Confirm the cur_opt range */
                        if (! (cur_opt == SQL_CUR_USE_IF_NEEDED || 
                                cur_opt == SQL_CUR_USE_ODBC || 
                                cur_opt == SQL_CUR_USE_DRIVER || 
                                cur_opt == SQL_CUR_DEFAULT) ) {
                                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid Cursor type (%d)", cur_opt);
                                RETURN_FALSE;
                        }
                        break;
                default:
                        WRONG_PARAM_COUNT;
                        break;
        }

        convert_to_string_ex(pv_db);
        convert_to_string_ex(pv_uid);
        convert_to_string_ex(pv_pwd);

        db = Z_STRVAL_PP(pv_db);
        uid = Z_STRVAL_PP(pv_uid);
        pwd = Z_STRVAL_PP(pv_pwd);

        if (ODBCG(allow_persistent) <= 0) {
                persistent = 0;
        }

        hashed_len = spprintf(&hashed_details, 0, "%s_%s_%s_%s_%d", ODBC_TYPE, db, uid, pwd, cur_opt);

        /* FIXME the idea of checking to see if our connection is already persistent
                is good, but it adds a lot of overhead to non-persistent connections.  We
                should look and see if we can fix that somehow */
        /* try to find if we already have this link in our persistent list,
         * no matter if it is to be persistent or not
         */

try_and_get_another_connection:

        if (persistent) {
                zend_rsrc_list_entry *le;
                
                if (zend_hash_find(&EG(persistent_list), hashed_details, hashed_len + 1, (void **) &le)
                                                        == FAILURE) { /* the link is not in the persistent list */
                        zend_rsrc_list_entry new_le;
                        
                        if (ODBCG(max_links) != -1 && ODBCG(num_links) >= ODBCG(max_links)) {
                                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Too many open links (%ld)", ODBCG(num_links));
                                efree(hashed_details);
                                RETURN_FALSE;
                        }
                        if (ODBCG(max_persistent) != -1 && ODBCG(num_persistent) >= ODBCG(max_persistent)) {
                                php_error_docref(NULL TSRMLS_CC, E_WARNING,"Too many open persistent links (%ld)", ODBCG(num_persistent));
                                efree(hashed_details);
                                RETURN_FALSE;
                        }
                        
                        if (!odbc_sqlconnect(&db_conn, db, uid, pwd, cur_opt, 1 TSRMLS_CC)) {
                                efree(hashed_details);
                                RETURN_FALSE;
                        }
                        
                        Z_TYPE(new_le) = le_pconn;
                        new_le.ptr = db_conn;
                        if (zend_hash_update(&EG(persistent_list), hashed_details, hashed_len + 1, &new_le,
                                                sizeof(zend_rsrc_list_entry), NULL) == FAILURE) {
                                free(db_conn);
                                efree(hashed_details);
                                RETURN_FALSE;
                        }
                        ODBCG(num_persistent)++;
                        ODBCG(num_links)++;
                        db_conn->id = ZEND_REGISTER_RESOURCE(return_value, db_conn, le_pconn);
                } else { /* found connection */
                        if (Z_TYPE_P(le) != le_pconn) {
                                RETURN_FALSE;
                        }
                        /*
                         * check to see if the connection is still valid
                         */
                        db_conn = (odbc_connection *)le->ptr;

                        /*
                         * check to see if the connection is still in place (lurcher)
                         */
                        if(ODBCG(check_persistent)){
                                RETCODE ret;
                                UCHAR d_name[32];
                                SWORD len;

                                ret = SQLGetInfo(db_conn->hdbc, 
                                        SQL_DATA_SOURCE_READ_ONLY, 
                                        d_name, sizeof(d_name), &len);

                                if(ret != SQL_SUCCESS || len == 0) {
                                        zend_hash_del(&EG(persistent_list), hashed_details, hashed_len + 1);
                                        /* Commented out to fix a possible double closure error 
                                         * when working with persistent connections as submitted by
                                         * bug #15758
                                         *
                                         * safe_odbc_disconnect(db_conn->hdbc);
                                         * SQLFreeConnect(db_conn->hdbc);
                                         */
                                        goto try_and_get_another_connection;
                                }
                        }
                }
                db_conn->id = ZEND_REGISTER_RESOURCE(return_value, db_conn, le_pconn);
        } else { /* non persistent */
                zend_rsrc_list_entry *index_ptr, new_index_ptr;
                
                if (zend_hash_find(&EG(regular_list), hashed_details, hashed_len + 1, 
                                        (void **) &index_ptr) == SUCCESS) {
                        int type, conn_id;
                        void *ptr;              
                        if (Z_TYPE_P(index_ptr) != le_index_ptr) {
                                RETURN_FALSE;
                        }
                        conn_id = (int)index_ptr->ptr;
                        ptr = zend_list_find(conn_id, &type);   /* check if the connection is still there */
                        if (ptr && (type == le_conn || type == le_pconn)) {
                                zend_list_addref(conn_id);
                                Z_LVAL_P(return_value) = conn_id;
                                Z_TYPE_P(return_value) = IS_RESOURCE;
                                efree(hashed_details);
                                return;
                        } else {
                                zend_hash_del(&EG(regular_list), hashed_details, hashed_len + 1);
                        }
                }
                if (ODBCG(max_links) != -1 && ODBCG(num_links) >= ODBCG(max_links)) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING,"Too many open connections (%ld)",ODBCG(num_links));
                        efree(hashed_details);
                        RETURN_FALSE;
                }

                if (!odbc_sqlconnect(&db_conn, db, uid, pwd, cur_opt, 0 TSRMLS_CC)) {
                        efree(hashed_details);
                        RETURN_FALSE;
                }
                db_conn->id = ZEND_REGISTER_RESOURCE(return_value, db_conn, le_conn);
                new_index_ptr.ptr = (void *) Z_LVAL_P(return_value);
                Z_TYPE(new_index_ptr) = le_index_ptr;
                if (zend_hash_update(&EG(regular_list), hashed_details, hashed_len + 1, (void *) &new_index_ptr,
                                   sizeof(zend_rsrc_list_entry), NULL) == FAILURE) {
                        efree(hashed_details);
                        RETURN_FALSE;
                        /* XXX Free Connection */
                }
                ODBCG(num_links)++;
        }
        efree(hashed_details);
}
/* }}} */

/* {{{ proto void odbc_close(resource connection_id)
   Close an ODBC connection */
PHP_FUNCTION(odbc_close)
{
        zval **pv_conn;
        void *ptr;
        odbc_connection *conn;
        odbc_result *res;
        int nument;
        int i;
        int type;
        int is_pconn = 0;
        int found_resource_type = le_conn;

        if (zend_get_parameters_ex(1, &pv_conn) == FAILURE) {
                WRONG_PARAM_COUNT;
        }

        conn = (odbc_connection *) zend_fetch_resource(pv_conn TSRMLS_CC, -1, "ODBC-Link", &found_resource_type, 2, le_conn, le_pconn);
        if (found_resource_type==le_pconn) {
                is_pconn = 1;
        }

        nument = zend_hash_next_free_element(&EG(regular_list));

        for(i = 1; i < nument; i++){
                ptr = zend_list_find(i, &type);
                if(ptr && (type == le_result)){
                        res = (odbc_result *)ptr;
                        if(res->conn_ptr == conn){
                                zend_list_delete(i);
                        }
                }
        }
        
        zend_list_delete(Z_LVAL_PP(pv_conn));
        
        if(is_pconn){
                zend_hash_apply_with_argument(&EG(persistent_list),
                        (apply_func_arg_t) _close_pconn_with_id, (void *) &(Z_LVAL_PP(pv_conn)) TSRMLS_CC);     
        }
}
/* }}} */

/* {{{ proto int odbc_num_rows(resource result_id)
   Get number of rows in a result */
PHP_FUNCTION(odbc_num_rows)
{
        odbc_result *result;
        SDWORD rows;
        zval **pv_res;
        
        if (zend_get_parameters_ex(1, &pv_res) == FAILURE) {
                WRONG_PARAM_COUNT;
        }
        ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result);
        SQLRowCount(result->stmt, &rows);
        RETURN_LONG(rows);
}
/* }}} */

#if !defined(HAVE_SOLID) && !defined(HAVE_SOLID_30)
/* {{{ proto bool odbc_next_result(resource result_id)
   Checks if multiple results are avaiable */
PHP_FUNCTION(odbc_next_result)
{
        odbc_result   *result;
        zval     **pv_res;
        int rc, i;

        if (zend_get_parameters_ex(1, &pv_res) == FAILURE) {
                WRONG_PARAM_COUNT;
        }
        ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result); 

        if (result->values) {
                for(i = 0; i < result->numcols; i++) {
                        if (result->values[i].value)
                                efree(result->values[i].value);
                }
                efree(result->values);
                result->values = NULL;
        }

        result->fetched = 0;
        rc = SQLMoreResults(result->stmt);
        if (rc == SQL_SUCCESS_WITH_INFO || rc == SQL_SUCCESS) {
                rc = SQLFreeStmt(result->stmt, SQL_UNBIND);
                SQLNumParams(result->stmt, &(result->numparams));
                SQLNumResultCols(result->stmt, &(result->numcols));

                if (result->numcols > 0) {
                        if (!odbc_bindcols(result TSRMLS_CC)) {
                                efree(result);
                                RETVAL_FALSE;
                        }
                } else {
                        result->values = NULL;
                }
                RETURN_TRUE;
        } else if (rc == SQL_NO_DATA_FOUND) {
                RETURN_FALSE;
        } else {
                odbc_sql_error(result->conn_ptr, result->stmt, "SQLMoreResults");
                RETURN_FALSE;
        }
}
/* }}} */
#endif

/* {{{ proto int odbc_num_fields(resource result_id)
   Get number of columns in a result */
PHP_FUNCTION(odbc_num_fields)
{
        odbc_result *result;
        zval **pv_res;

        if (zend_get_parameters_ex(1, &pv_res) == FAILURE) {
                WRONG_PARAM_COUNT;
        }
        ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result); 
        RETURN_LONG(result->numcols);
}
/* }}} */

/* {{{ proto string odbc_field_name(resource result_id, int field_number)
   Get a column name */
PHP_FUNCTION(odbc_field_name)
{
        odbc_result *result;
        zval **pv_res, **pv_num;
        
        if (zend_get_parameters_ex(2, &pv_res, &pv_num) == FAILURE) {
                WRONG_PARAM_COUNT;
        }

        convert_to_long_ex(pv_num);
        
        ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result);
        
        if (result->numcols == 0) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "No tuples available at this result index");
                RETURN_FALSE;
        }
        
        if (Z_LVAL_PP(pv_num) > result->numcols) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Field index larger than number of fields");
                RETURN_FALSE;
        }
        
        if (Z_LVAL_PP(pv_num) < 1) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Field numbering starts at 1");
                RETURN_FALSE;
        }
        
        RETURN_STRING(result->values[Z_LVAL_PP(pv_num) - 1].name, 1)
}
/* }}} */

/* {{{ proto string odbc_field_type(resource result_id, int field_number)
   Get the datatype of a column */
PHP_FUNCTION(odbc_field_type)
{
        odbc_result     *result;
        char            tmp[32];
        SWORD           tmplen;
        zval     **pv_res, **pv_num;

        if (zend_get_parameters_ex(2, &pv_res, &pv_num) == FAILURE) {
                WRONG_PARAM_COUNT;
        }

        convert_to_long_ex(pv_num);

        ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result);

        if (result->numcols == 0) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "No tuples available at this result index");
                RETURN_FALSE;
        }
        
        if (Z_LVAL_PP(pv_num) > result->numcols) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Field index larger than number of fields");
                RETURN_FALSE;
        }

        if (Z_LVAL_PP(pv_num) < 1) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Field numbering starts at 1");
                RETURN_FALSE;
        }

        SQLColAttributes(result->stmt, (UWORD)Z_LVAL_PP(pv_num),
                                         SQL_COLUMN_TYPE_NAME, tmp, 31, &tmplen, NULL);
        RETURN_STRING(tmp,1)
}
/* }}} */

/* {{{ proto int odbc_field_len(resource result_id, int field_number)
   Get the length (precision) of a column */
PHP_FUNCTION(odbc_field_len)
{
        odbc_column_lengths(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
}
/* }}} */

/* {{{ proto int odbc_field_scale(resource result_id, int field_number)
   Get the scale of a column */
PHP_FUNCTION(odbc_field_scale)
{
        odbc_column_lengths(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);       
}
/* }}} */

/* {{{ proto int odbc_field_num(resource result_id, string field_name)
   Return column number */
PHP_FUNCTION(odbc_field_num)
{
        int field_ind;
        char *fname;
        odbc_result *result;
        int i;
        zval **pv_res, **pv_name;

        if (zend_get_parameters_ex(2, &pv_res, &pv_name) == FAILURE) {
                WRONG_PARAM_COUNT;
        }
        
        ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result);
        
        if (result->numcols == 0) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "No tuples available at this result index");
                RETURN_FALSE;
        }

        convert_to_string_ex(pv_name);
        fname = Z_STRVAL_PP(pv_name);

        field_ind = -1;
        for(i = 0; i < result->numcols; i++) {
                if (strcasecmp(result->values[i].name, fname) == 0)
                        field_ind = i + 1;
                }
        
        if (field_ind == -1)
                RETURN_FALSE;
        RETURN_LONG(field_ind);
}
/* }}} */

/* {{{ proto mixed odbc_autocommit(resource connection_id [, int OnOff])
   Toggle autocommit mode or get status */
/* There can be problems with pconnections!*/
PHP_FUNCTION(odbc_autocommit)
{
        odbc_connection *conn;
        RETCODE rc;
        zval **pv_conn, **pv_onoff = NULL;
        int argc;

        argc = ZEND_NUM_ARGS();
        if (argc == 2) {
                if (zend_get_parameters_ex(2, &pv_conn, &pv_onoff) == FAILURE) {
                        WRONG_PARAM_COUNT;
                }
        } else if (argc == 1) {
                if (zend_get_parameters_ex(1, &pv_conn) == FAILURE) {
                        WRONG_PARAM_COUNT;
                }
        } else {
                WRONG_PARAM_COUNT;
        }

        ZEND_FETCH_RESOURCE2(conn, odbc_connection *, pv_conn, -1, "ODBC-Link", le_conn, le_pconn);
        
        if (pv_onoff && (*pv_onoff)) {
                convert_to_long_ex(pv_onoff);
                rc = SQLSetConnectOption(conn->hdbc, SQL_AUTOCOMMIT,
                                                                 (Z_LVAL_PP(pv_onoff)) ?
                                                                 SQL_AUTOCOMMIT_ON : SQL_AUTOCOMMIT_OFF);
                if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO) {
                        odbc_sql_error(conn, SQL_NULL_HSTMT, "Set autocommit");
                        RETURN_FALSE;
                }
                RETVAL_TRUE;
        } else {
                SDWORD status;

                rc = SQLGetConnectOption(conn->hdbc, SQL_AUTOCOMMIT, (PTR)&status);
                if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO) {
                        odbc_sql_error(conn, SQL_NULL_HSTMT, "Get commit status");
                        RETURN_FALSE;
                }
                RETVAL_LONG((long)status);
        }
}
/* }}} */

/* {{{ proto bool odbc_commit(resource connection_id)
   Commit an ODBC transaction */
PHP_FUNCTION(odbc_commit)
{
        odbc_transact(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
}
/* }}} */

/* {{{ proto bool odbc_rollback(resource connection_id)
   Rollback a transaction */
PHP_FUNCTION(odbc_rollback)
{
        odbc_transact(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
}
/* }}} */

/* {{{ php_odbc_lasterror */
static void php_odbc_lasterror(INTERNAL_FUNCTION_PARAMETERS, int mode)
{
        odbc_connection *conn;
        zval **pv_handle;
        char *ptr;
        int argc, len;

        argc = ZEND_NUM_ARGS();

        if (argc > 1 || zend_get_parameters_ex(argc, &pv_handle)) {
                WRONG_PARAM_COUNT;
        }

        if (mode == 0) {  /* last state */
                len = 6;
        } else { /* last error message */
                len = SQL_MAX_MESSAGE_LENGTH;
        }

        if (argc == 1) {
                ZEND_FETCH_RESOURCE2(conn, odbc_connection *, pv_handle, -1, "ODBC-Link", le_conn, le_pconn);
                ptr = ecalloc(len + 1, 1);
                if (mode == 0) {
                        strlcpy(ptr, conn->laststate, len+1);
                } else {
                        strlcpy(ptr, conn->lasterrormsg, len+1);
                }
        } else {
                ptr = ecalloc(len + 1, 1);
                if (mode == 0) {
                        strlcpy(ptr, ODBCG(laststate), len+1);
                } else {
                        strlcpy(ptr, ODBCG(lasterrormsg), len+1);
                }
        }
        RETVAL_STRING(ptr, 0);
}
/* }}} */

/* {{{ proto string odbc_error([resource connection_id])
   Get the last error code */
PHP_FUNCTION(odbc_error)
{
        php_odbc_lasterror(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
}
/* }}} */

/* {{{ proto string odbc_errormsg([resource connection_id])
   Get the last error message */
PHP_FUNCTION(odbc_errormsg)
{
        php_odbc_lasterror(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
}
/* }}} */

/* {{{ proto bool odbc_setoption(resource conn_id|result_id, int which, int option, int value)
   Sets connection or statement options */
/* This one has to be used carefully. We can't allow to set connection options for
   persistent connections. I think that SetStmtOption is of little use, since most
   of those can only be specified before preparing/executing statements.
   On the other hand, they can be made connection wide default through SetConnectOption
   - but will be overidden by calls to SetStmtOption() in odbc_prepare/odbc_do
*/
PHP_FUNCTION(odbc_setoption)
{
        odbc_connection *conn;
        odbc_result     *result;
        RETCODE rc;
        zval **pv_handle, **pv_which, **pv_opt, **pv_val;

        if (zend_get_parameters_ex(4, &pv_handle, &pv_which, &pv_opt, &pv_val) == FAILURE) {
                WRONG_PARAM_COUNT;
        }

        convert_to_long_ex(pv_which);
        convert_to_long_ex(pv_opt);
        convert_to_long_ex(pv_val);

        switch (Z_LVAL_PP(pv_which)) {
                case 1:         /* SQLSetConnectOption */
                        ZEND_FETCH_RESOURCE2(conn, odbc_connection *, pv_handle, -1, "ODBC-Link", le_conn, le_pconn);
                        if (conn->persistent) {
                                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to set option for persistent connection");
                                RETURN_FALSE;
                        }
                        rc = SQLSetConnectOption(conn->hdbc, (unsigned short)(Z_LVAL_PP(pv_opt)), Z_LVAL_PP(pv_val));
                        if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO) {
                                odbc_sql_error(conn, SQL_NULL_HSTMT, "SetConnectOption");
                                RETURN_FALSE;
                        }
                        break;
                case 2:         /* SQLSetStmtOption */
                        ZEND_FETCH_RESOURCE(result, odbc_result *, pv_handle, -1, "ODBC result", le_result);
                        
                        rc = SQLSetStmtOption(result->stmt, (unsigned short)(Z_LVAL_PP(pv_opt)), (Z_LVAL_PP(pv_val)));

                        if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO) {
                                odbc_sql_error(result->conn_ptr, result->stmt, "SetStmtOption");
                                RETURN_FALSE;
                        }
                        break;
                default:
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown option type");
                        RETURN_FALSE;
                        break;
        }

        RETURN_TRUE;
}
/* }}} */

/*
 * metadata functions
 */

/* {{{ proto resource odbc_tables(resource connection_id [, string qualifier [, string owner [, string name [, string table_types]]]])
   Call the SQLTables function */
PHP_FUNCTION(odbc_tables)
{
        zval **pv_conn, **pv_cat, **pv_schema, **pv_table, **pv_type;
        odbc_result   *result = NULL;
        odbc_connection *conn;
        char *cat = NULL, *schema = NULL, *table = NULL, *type = NULL;
        RETCODE rc;
        int argc;

        argc = ZEND_NUM_ARGS();
        if (argc < 1 || argc > 5 || zend_get_parameters_ex(argc, &pv_conn, &pv_cat, &pv_schema, &pv_table, &pv_type) == FAILURE) {
                WRONG_PARAM_COUNT;
        }
        switch (argc) {
                case 5:
                        convert_to_string_ex(pv_type);
                        type = Z_STRVAL_PP(pv_type);
                case 4:
                        convert_to_string_ex(pv_table);
                        table = Z_STRVAL_PP(pv_table);
                case 3:
                        convert_to_string_ex(pv_schema);
                        schema = Z_STRVAL_PP(pv_schema);
                case 2:
                        convert_to_string_ex(pv_cat);
                        cat = Z_STRVAL_PP(pv_cat);
        }

        ZEND_FETCH_RESOURCE2(conn, odbc_connection *, pv_conn, -1, "ODBC-Link", le_conn, le_pconn);

        result = (odbc_result *)ecalloc(1, sizeof(odbc_result));
        
        rc = SQLAllocStmt(conn->hdbc, &(result->stmt));
        if (rc == SQL_INVALID_HANDLE) {
                efree(result);
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "SQLAllocStmt error 'Invalid Handle'");
                RETURN_FALSE;
        }

        if (rc == SQL_ERROR) {
                odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLAllocStmt");
                efree(result);
                RETURN_FALSE;
        }

        /* This hack is needed to access table information in Access databases (fmk) */
        if (table && strlen(table) && schema && !strlen(schema)) schema = NULL;

        rc = SQLTables(result->stmt, 
                        cat, SAFE_SQL_NTS(cat), 
                        schema, SAFE_SQL_NTS(schema), 
                        table, SAFE_SQL_NTS(table),
                        type, SAFE_SQL_NTS(type));

        if (rc == SQL_ERROR) {
                odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLTables");
                efree(result);
                RETURN_FALSE;
        }

        result->numparams = 0;
        SQLNumResultCols(result->stmt, &(result->numcols));

        if (result->numcols > 0) {
                if (!odbc_bindcols(result TSRMLS_CC)) {
                        efree(result);
                        RETURN_FALSE;
                }
        } else {
                result->values = NULL;
        }
        result->conn_ptr = conn;
        result->fetched = 0;
        ZEND_REGISTER_RESOURCE(return_value, result, le_result);
}
/* }}} */

/* {{{ proto resource odbc_columns(resource connection_id [, string qualifier [, string owner [, string table_name [, string column_name]]]])
   Returns a result identifier that can be used to fetch a list of column names in specified tables */
PHP_FUNCTION(odbc_columns)
{
        zval **pv_conn, **pv_cat, **pv_schema, **pv_table, **pv_column;
        odbc_result   *result = NULL;
        odbc_connection *conn;
        char *cat = NULL, *schema = NULL, *table = NULL, *column = NULL;
        SWORD cat_len=0, schema_len=0, table_len=0, column_len=0;
        RETCODE rc;
        int argc;

        argc = ZEND_NUM_ARGS();
        if (argc < 1 || argc > 5 || zend_get_parameters_ex(argc, &pv_conn, &pv_cat, &pv_schema, &pv_table, &pv_column) == FAILURE) {
                        WRONG_PARAM_COUNT;
        }
        switch (argc) {
                case 5:
                        convert_to_string_ex(pv_column);
                        column = Z_STRVAL_PP(pv_column);
                        column_len = Z_STRLEN_PP(pv_column);
                case 4:
                        convert_to_string_ex(pv_table);
                        table = Z_STRVAL_PP(pv_table);
                        table_len = Z_STRLEN_PP(pv_table);
                case 3:
                        convert_to_string_ex(pv_schema);
                        schema = Z_STRVAL_PP(pv_schema);
                        schema_len = Z_STRLEN_PP(pv_schema);
                case 2:
                        convert_to_string_ex(pv_cat);
                        cat = Z_STRVAL_PP(pv_cat);
                        cat_len = Z_STRLEN_PP(pv_cat);
        }

        ZEND_FETCH_RESOURCE2(conn, odbc_connection *, pv_conn, -1, "ODBC-Link", le_conn, le_pconn);

        result = (odbc_result *)ecalloc(1, sizeof(odbc_result));
        
        rc = SQLAllocStmt(conn->hdbc, &(result->stmt));
        if (rc == SQL_INVALID_HANDLE) {
                efree(result);
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "SQLAllocStmt error 'Invalid Handle'");
                RETURN_FALSE;
        }

        if (rc == SQL_ERROR) {
                odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLAllocStmt");
                efree(result);
                RETURN_FALSE;
        }

        /* 
         * Needed to make MS Access happy
         */
        if (table && strlen(table) && schema && !strlen(schema)) schema = NULL;

        rc = SQLColumns(result->stmt, 
                        cat, cat_len,
                        schema, schema_len,
                        table, table_len,
                        column, column_len);

        if (rc == SQL_ERROR) {
                odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLColumns");
                efree(result);
                RETURN_FALSE;
        }

        result->numparams = 0;
        SQLNumResultCols(result->stmt, &(result->numcols));

        if (result->numcols > 0) {
                if (!odbc_bindcols(result TSRMLS_CC)) {
                        efree(result);
                        RETURN_FALSE;
                }
        } else {
                result->values = NULL;
        }
        result->conn_ptr = conn;
        result->fetched = 0;
        ZEND_REGISTER_RESOURCE(return_value, result, le_result);
}
/* }}} */

#if !defined(HAVE_DBMAKER) && !defined(HAVE_SOLID) && !defined(HAVE_SOLID_30) && !defined(HAVE_SOLID_35) && !defined(HAVE_BIRDSTEP)
/* {{{ proto resource odbc_columnprivileges(resource connection_id, string catalog, string schema, string table, string column)
   Returns a result identifier that can be used to fetch a list of columns and associated privileges for the specified table */
PHP_FUNCTION(odbc_columnprivileges)
{
        zval **pv_conn, **pv_cat, **pv_schema, **pv_table, **pv_column;
        odbc_result   *result = NULL;
        odbc_connection *conn;
        char *cat = NULL, *schema = NULL, *table = NULL, *column = NULL;
        RETCODE rc;
        int argc;

        argc = ZEND_NUM_ARGS();
        if (argc == 5) {
                if (zend_get_parameters_ex(5, &pv_conn, &pv_cat, &pv_schema, &pv_table, &pv_column) == FAILURE) {
                        WRONG_PARAM_COUNT;
                }
                convert_to_string_ex(pv_cat);
                cat = Z_STRVAL_PP(pv_cat);
                convert_to_string_ex(pv_schema);
                schema = Z_STRVAL_PP(pv_schema);
                convert_to_string_ex(pv_table);
                table = Z_STRVAL_PP(pv_table);
                convert_to_string_ex(pv_column);
                column = Z_STRVAL_PP(pv_column);
        } else {
                WRONG_PARAM_COUNT;
        }

        ZEND_FETCH_RESOURCE2(conn, odbc_connection *, pv_conn, -1, "ODBC-Link", le_conn, le_pconn);

        result = (odbc_result *)ecalloc(1, sizeof(odbc_result));
        
        rc = SQLAllocStmt(conn->hdbc, &(result->stmt));
        if (rc == SQL_INVALID_HANDLE) {
                efree(result);
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "SQLAllocStmt error 'Invalid Handle'");
                RETURN_FALSE;
        }

        if (rc == SQL_ERROR) {
                odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLAllocStmt");
                efree(result);
                RETURN_FALSE;
        }

        rc = SQLColumnPrivileges(result->stmt, 
                        cat, SAFE_SQL_NTS(cat),
                        schema, SAFE_SQL_NTS(schema),
                        table, SAFE_SQL_NTS(table),
                        column, SAFE_SQL_NTS(column));

        if (rc == SQL_ERROR) {
                odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLColumnPrivileges");
                efree(result);
                RETURN_FALSE;
        }

        result->numparams = 0;
        SQLNumResultCols(result->stmt, &(result->numcols));

        if (result->numcols > 0) {
                if (!odbc_bindcols(result TSRMLS_CC)) {
                        efree(result);
                        RETURN_FALSE;
                }
        } else {
                result->values = NULL;
        }
        result->conn_ptr = conn;
        result->fetched = 0;
        ZEND_REGISTER_RESOURCE(return_value, result, le_result);
}
/* }}} */
#endif /* HAVE_DBMAKER || HAVE_SOLID*/

#if !defined(HAVE_SOLID) && !defined(HAVE_SOLID_30) && !defined(HAVE_SOLID_35)
/* {{{ proto resource odbc_foreignkeys(resource connection_id, string pk_qualifier, string pk_owner, string pk_table, string fk_qualifier, string fk_owner, string fk_table)
   Returns a result identifier to either a list of foreign keys in the specified table or a list of foreign keys in other tables that refer to the primary key in the specified table */
PHP_FUNCTION(odbc_foreignkeys)
{
        zval **pv_conn, **pv_pcat, **pv_pschema, **pv_ptable;
        zval **pv_fcat, **pv_fschema, **pv_ftable;
        odbc_result   *result = NULL;
        odbc_connection *conn;
        char *pcat = NULL, *pschema = NULL, *ptable = NULL;
        char *fcat = NULL, *fschema = NULL, *ftable = NULL;
        RETCODE rc;
        int argc;

        argc = ZEND_NUM_ARGS();
        if (argc == 7) {
                if (zend_get_parameters_ex(7, &pv_conn, &pv_pcat, &pv_pschema, &pv_ptable, 
                                        &pv_fcat, &pv_fschema, &pv_ftable) == FAILURE) {
                        WRONG_PARAM_COUNT;
                }
                convert_to_string_ex(pv_pcat);
                pcat = Z_STRVAL_PP(pv_pcat);
                convert_to_string_ex(pv_pschema);
                pschema = Z_STRVAL_PP(pv_pschema);
                convert_to_string_ex(pv_ptable);
                ptable = Z_STRVAL_PP(pv_ptable);
                convert_to_string_ex(pv_fcat);
                fcat = Z_STRVAL_PP(pv_fcat);
                convert_to_string_ex(pv_fschema);
                fschema = Z_STRVAL_PP(pv_fschema);
                convert_to_string_ex(pv_ftable);
                ftable = Z_STRVAL_PP(pv_ftable);
#if defined(HAVE_DBMAKER) || defined(HAVE_IBMDB2)
#define EMPTY_TO_NULL(xstr) \
        if ((int)strlen((xstr)) == 0) (xstr) = NULL

                EMPTY_TO_NULL(pcat);
                EMPTY_TO_NULL(pschema);
                EMPTY_TO_NULL(ptable);
                EMPTY_TO_NULL(fcat);
                EMPTY_TO_NULL(fschema);
                EMPTY_TO_NULL(ftable);
#endif
        } else {
                WRONG_PARAM_COUNT;
        }

        ZEND_FETCH_RESOURCE2(conn, odbc_connection *, pv_conn, -1, "ODBC-Link", le_conn, le_pconn);

        result = (odbc_result *)ecalloc(1, sizeof(odbc_result));
        
        rc = SQLAllocStmt(conn->hdbc, &(result->stmt));
        if (rc == SQL_INVALID_HANDLE) {
                efree(result);
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "SQLAllocStmt error 'Invalid Handle'");
                RETURN_FALSE;
        }

        if (rc == SQL_ERROR) {
                odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLAllocStmt");
                efree(result);
                RETURN_FALSE;
        }

        rc = SQLForeignKeys(result->stmt, 
                        pcat, SAFE_SQL_NTS(pcat), 
                        pschema, SAFE_SQL_NTS(pschema), 
                        ptable, SAFE_SQL_NTS(ptable), 
                        fcat, SAFE_SQL_NTS(fcat), 
                        fschema, SAFE_SQL_NTS(fschema), 
                        ftable, SAFE_SQL_NTS(ftable) );

        if (rc == SQL_ERROR) {
                odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLForeignKeys");
                efree(result);
                RETURN_FALSE;
        }

        result->numparams = 0;
        SQLNumResultCols(result->stmt, &(result->numcols));

        if (result->numcols > 0) {
                if (!odbc_bindcols(result TSRMLS_CC)) {
                        efree(result);
                        RETURN_FALSE;
                }
        } else {
                result->values = NULL;
        }
        result->conn_ptr = conn;
        result->fetched = 0;
        ZEND_REGISTER_RESOURCE(return_value, result, le_result);
}
/* }}} */
#endif /* HAVE_SOLID */

/* {{{ proto resource odbc_gettypeinfo(resource connection_id [, int data_type])
   Returns a result identifier containing information about data types supported by the data source */
PHP_FUNCTION(odbc_gettypeinfo)
{
        zval **pv_conn, **pv_data_type;
        odbc_result   *result = NULL;
        odbc_connection *conn;
        RETCODE rc;
        int argc;
        SWORD data_type = SQL_ALL_TYPES;

        argc = ZEND_NUM_ARGS();
        if (argc == 1) {
                if (zend_get_parameters_ex(1, &pv_conn) == FAILURE) {
                        WRONG_PARAM_COUNT;
                }
        } else if (argc == 2) {
                if (zend_get_parameters_ex(2, &pv_conn, &pv_data_type) == FAILURE) {
                        WRONG_PARAM_COUNT;
                }
                convert_to_long_ex(pv_data_type);
                data_type = (SWORD) Z_LVAL_PP(pv_data_type);
        } else {
                WRONG_PARAM_COUNT;
        }

        ZEND_FETCH_RESOURCE2(conn, odbc_connection *, pv_conn, -1, "ODBC-Link", le_conn, le_pconn);

        result = (odbc_result *)ecalloc(1, sizeof(odbc_result));
        
        rc = SQLAllocStmt(conn->hdbc, &(result->stmt));
        if (rc == SQL_INVALID_HANDLE) {
                efree(result);
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "SQLAllocStmt error 'Invalid Handle'");
                RETURN_FALSE;
        }

        if (rc == SQL_ERROR) {
                odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLAllocStmt");
                efree(result);
                RETURN_FALSE;
        }

        rc = SQLGetTypeInfo(result->stmt, data_type );

        if (rc == SQL_ERROR) {
                odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLGetTypeInfo");
                efree(result);
                RETURN_FALSE;
        }

        result->numparams = 0;
        SQLNumResultCols(result->stmt, &(result->numcols));

        if (result->numcols > 0) {
                if (!odbc_bindcols(result TSRMLS_CC)) {
                        efree(result);
                        RETURN_FALSE;
                }
        } else {
                result->values = NULL;
        }
        result->conn_ptr = conn;
        result->fetched = 0;
        ZEND_REGISTER_RESOURCE(return_value, result, le_result);
}
/* }}} */

/* {{{ proto resource odbc_primarykeys(resource connection_id, string qualifier, string owner, string table)
   Returns a result identifier listing the column names that comprise the primary key for a table */
PHP_FUNCTION(odbc_primarykeys)
{
        zval **pv_conn, **pv_cat, **pv_schema, **pv_table;
        odbc_result   *result = NULL;
        odbc_connection *conn;
        char *cat = NULL, *schema = NULL, *table = NULL;
        RETCODE rc;
        int argc;

        argc = ZEND_NUM_ARGS();
        if (argc == 4) {
                if (zend_get_parameters_ex(4, &pv_conn, &pv_cat, &pv_schema, &pv_table) == FAILURE) {
                        WRONG_PARAM_COUNT;
                }
                convert_to_string_ex(pv_cat);
                cat = Z_STRVAL_PP(pv_cat);
                convert_to_string_ex(pv_schema);
                schema = Z_STRVAL_PP(pv_schema);
                convert_to_string_ex(pv_table);
                table = Z_STRVAL_PP(pv_table);
        } else {
                WRONG_PARAM_COUNT;
        }

        ZEND_FETCH_RESOURCE2(conn, odbc_connection *, pv_conn, -1, "ODBC-Link", le_conn, le_pconn);

        result = (odbc_result *)ecalloc(1, sizeof(odbc_result));
        
        rc = SQLAllocStmt(conn->hdbc, &(result->stmt));
        if (rc == SQL_INVALID_HANDLE) {
                efree(result);
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "SQLAllocStmt error 'Invalid Handle'");
                RETURN_FALSE;
        }

        if (rc == SQL_ERROR) {
                odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLAllocStmt");
                efree(result);
                RETURN_FALSE;
        }

        rc = SQLPrimaryKeys(result->stmt, 
                        cat, SAFE_SQL_NTS(cat), 
                        schema, SAFE_SQL_NTS(schema), 
                        table, SAFE_SQL_NTS(table) );

        if (rc == SQL_ERROR) {
                odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLPrimaryKeys");
                efree(result);
                RETURN_FALSE;
        }

        result->numparams = 0;
        SQLNumResultCols(result->stmt, &(result->numcols));

        if (result->numcols > 0) {
                if (!odbc_bindcols(result TSRMLS_CC)) {
                        efree(result);
                        RETURN_FALSE;
                }
        } else {
                result->values = NULL;
        }
        result->conn_ptr = conn;
        result->fetched = 0;
        ZEND_REGISTER_RESOURCE(return_value, result, le_result);
}
/* }}} */

#if !defined(HAVE_SOLID) && !defined(HAVE_SOLID_30) && !defined(HAVE_SOLID_35) && !defined(HAVE_BIRDSTEP)
/* {{{ proto resource odbc_procedurecolumns(resource connection_id [, string qualifier, string owner, string proc, string column])
   Returns a result identifier containing the list of input and output parameters, as well as the columns that make up the result set for the specified procedures */
PHP_FUNCTION(odbc_procedurecolumns)
{
        zval **pv_conn, **pv_cat, **pv_schema, **pv_proc, **pv_col;
        odbc_result   *result = NULL;
        odbc_connection *conn;
        char *cat = NULL, *schema = NULL, *proc = NULL, *col = NULL;
        RETCODE rc;
        int argc;

        argc = ZEND_NUM_ARGS();
        if (argc == 1) {
                if (zend_get_parameters_ex(1, &pv_conn) == FAILURE) {
                        WRONG_PARAM_COUNT;
                }
        } else if (argc == 5) {
                if (zend_get_parameters_ex(5, &pv_conn, &pv_cat, &pv_schema, &pv_proc, &pv_col) == FAILURE) {
                        WRONG_PARAM_COUNT;
                }
                convert_to_string_ex(pv_cat);
                cat = Z_STRVAL_PP(pv_cat);
                convert_to_string_ex(pv_schema);
                schema = Z_STRVAL_PP(pv_schema);
                convert_to_string_ex(pv_proc);
                proc = Z_STRVAL_PP(pv_proc);
                convert_to_string_ex(pv_col);
                col = Z_STRVAL_PP(pv_col);
        } else {
                WRONG_PARAM_COUNT;
        }

        ZEND_FETCH_RESOURCE2(conn, odbc_connection *, pv_conn, -1, "ODBC-Link", le_conn, le_pconn);

        result = (odbc_result *)ecalloc(1, sizeof(odbc_result));
        
        rc = SQLAllocStmt(conn->hdbc, &(result->stmt));
        if (rc == SQL_INVALID_HANDLE) {
                efree(result);
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "SQLAllocStmt error 'Invalid Handle'");
                RETURN_FALSE;
        }

        if (rc == SQL_ERROR) {
                odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLAllocStmt");
                efree(result);
                RETURN_FALSE;
        }

        rc = SQLProcedureColumns(result->stmt, 
                        cat, SAFE_SQL_NTS(cat), 
                        schema, SAFE_SQL_NTS(schema), 
                        proc, SAFE_SQL_NTS(proc), 
                        col, SAFE_SQL_NTS(col) );

        if (rc == SQL_ERROR) {
                odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLProcedureColumns");
                efree(result);
                RETURN_FALSE;
        }

        result->numparams = 0;
        SQLNumResultCols(result->stmt, &(result->numcols));

        if (result->numcols > 0) {
                if (!odbc_bindcols(result TSRMLS_CC)) {
                        efree(result);
                        RETURN_FALSE;
                }
        } else {
                result->values = NULL;
        }
        result->conn_ptr = conn;
        result->fetched = 0;
        ZEND_REGISTER_RESOURCE(return_value, result, le_result);
}
/* }}} */
#endif /* HAVE_SOLID */

#if !defined(HAVE_SOLID) && !defined(HAVE_SOLID_30) && !defined(HAVE_SOLID_35)
/* {{{ proto resource odbc_procedures(resource connection_id [, string qualifier, string owner, string name])
   Returns a result identifier containg the list of procedure names in a datasource */
PHP_FUNCTION(odbc_procedures)
{
        zval **pv_conn, **pv_cat, **pv_schema, **pv_proc;
        odbc_result   *result = NULL;
        odbc_connection *conn;
        char *cat = NULL, *schema = NULL, *proc = NULL;
        RETCODE rc;
        int argc;

        argc = ZEND_NUM_ARGS();
        if (argc == 1) {
                if (zend_get_parameters_ex(1, &pv_conn) == FAILURE) {
                        WRONG_PARAM_COUNT;
                }
        } else if (argc == 4) {
                if (zend_get_parameters_ex(4, &pv_conn, &pv_cat, &pv_schema, &pv_proc) == FAILURE) {
                        WRONG_PARAM_COUNT;
                }
                convert_to_string_ex(pv_cat);
                cat = Z_STRVAL_PP(pv_cat);
                convert_to_string_ex(pv_schema);
                schema = Z_STRVAL_PP(pv_schema);
                convert_to_string_ex(pv_proc);
                proc = Z_STRVAL_PP(pv_proc);
        } else {
                WRONG_PARAM_COUNT;
        }

        ZEND_FETCH_RESOURCE2(conn, odbc_connection *, pv_conn, -1, "ODBC-Link", le_conn, le_pconn);

        result = (odbc_result *)ecalloc(1, sizeof(odbc_result));
        
        rc = SQLAllocStmt(conn->hdbc, &(result->stmt));
        if (rc == SQL_INVALID_HANDLE) {
                efree(result);
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "SQLAllocStmt error 'Invalid Handle'");
                RETURN_FALSE;
        }

        if (rc == SQL_ERROR) {
                odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLAllocStmt");
                efree(result);
                RETURN_FALSE;
        }

        rc = SQLProcedures(result->stmt, 
                        cat, SAFE_SQL_NTS(cat), 
                        schema, SAFE_SQL_NTS(schema), 
                        proc, SAFE_SQL_NTS(proc) );

        if (rc == SQL_ERROR) {
                odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLProcedures");
                efree(result);
                RETURN_FALSE;
        }

        result->numparams = 0;
        SQLNumResultCols(result->stmt, &(result->numcols));

        if (result->numcols > 0) {
                if (!odbc_bindcols(result TSRMLS_CC)) {
                        efree(result);
                        RETURN_FALSE;
                }
        } else {
                result->values = NULL;
        }
        result->conn_ptr = conn;
        result->fetched = 0;
        ZEND_REGISTER_RESOURCE(return_value, result, le_result);
}
/* }}} */
#endif /* HAVE_SOLID */

/* {{{ proto resource odbc_specialcolumns(resource connection_id, int type, string qualifier, string owner, string table, int scope, int nullable)
   Returns a result identifier containing either the optimal set of columns that uniquely identifies a row in the table or columns that are automatically updated when any value in the row is updated by a transaction */
PHP_FUNCTION(odbc_specialcolumns)
{
        zval **pv_conn, **pv_type, **pv_cat, **pv_schema, **pv_name;
        zval **pv_scope, **pv_nullable;
        odbc_result   *result = NULL;
        odbc_connection *conn;
        char *cat = NULL, *schema = NULL, *name = NULL;
        UWORD type;
        UWORD scope, nullable;
        RETCODE rc;
        int argc;

        argc = ZEND_NUM_ARGS();
        if (argc == 7) {
                if (zend_get_parameters_ex(7, &pv_conn, &pv_type, &pv_cat, &pv_schema, 
                                        &pv_name, &pv_scope, &pv_nullable) == FAILURE) {
                        WRONG_PARAM_COUNT;
                }
                convert_to_long_ex(pv_type);
                type = (UWORD) Z_LVAL_PP(pv_type);
                convert_to_string_ex(pv_cat);
                cat = Z_STRVAL_PP(pv_cat);
                convert_to_string_ex(pv_schema);
                schema = Z_STRVAL_PP(pv_schema);
                convert_to_string_ex(pv_name);
                name = Z_STRVAL_PP(pv_name);
                convert_to_long_ex(pv_scope);
                scope = (UWORD) Z_LVAL_PP(pv_scope);
                convert_to_long_ex(pv_nullable);
                nullable = (UWORD) Z_LVAL_PP(pv_nullable);
        } else {
                WRONG_PARAM_COUNT;
        }

        ZEND_FETCH_RESOURCE2(conn, odbc_connection *, pv_conn, -1, "ODBC-Link", le_conn, le_pconn);

        result = (odbc_result *)ecalloc(1, sizeof(odbc_result));
        
        rc = SQLAllocStmt(conn->hdbc, &(result->stmt));
        if (rc == SQL_INVALID_HANDLE) {
                efree(result);
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "SQLAllocStmt error 'Invalid Handle'");
                RETURN_FALSE;
        }

        if (rc == SQL_ERROR) {
                odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLAllocStmt");
                efree(result);
                RETURN_FALSE;
        }

        rc = SQLSpecialColumns(result->stmt, 
                        type,
                        cat, SAFE_SQL_NTS(cat), 
                        schema, SAFE_SQL_NTS(schema), 
                        name, SAFE_SQL_NTS(name),
                        scope,
                        nullable);

        if (rc == SQL_ERROR) {
                odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLSpecialColumns");
                efree(result);
                RETURN_FALSE;
        }

        result->numparams = 0;
        SQLNumResultCols(result->stmt, &(result->numcols));

        if (result->numcols > 0) {
                if (!odbc_bindcols(result TSRMLS_CC)) {
                        efree(result);
                        RETURN_FALSE;
                }
        } else {
                result->values = NULL;
        }
        result->conn_ptr = conn;
        result->fetched = 0;
        ZEND_REGISTER_RESOURCE(return_value, result, le_result);
}
/* }}} */

/* {{{ proto resource odbc_statistics(resource connection_id, string qualifier, string owner, string name, int unique, int accuracy)
   Returns a result identifier that contains statistics about a single table and the indexes associated with the table */
PHP_FUNCTION(odbc_statistics)
{
        zval **pv_conn, **pv_cat, **pv_schema, **pv_name;
        zval **pv_unique, **pv_reserved;
        odbc_result   *result = NULL;
        odbc_connection *conn;
        char *cat = NULL, *schema = NULL, *name = NULL;
        UWORD unique, reserved;
        RETCODE rc;
        int argc;

        argc = ZEND_NUM_ARGS();
        if (argc == 6) {
                if (zend_get_parameters_ex(6, &pv_conn, &pv_cat, &pv_schema, 
                                        &pv_name, &pv_unique, &pv_reserved) == FAILURE) {
                        WRONG_PARAM_COUNT;
                }
                convert_to_string_ex(pv_cat);
                cat = Z_STRVAL_PP(pv_cat);
                convert_to_string_ex(pv_schema);
                schema = Z_STRVAL_PP(pv_schema);
                convert_to_string_ex(pv_name);
                name = Z_STRVAL_PP(pv_name);
                convert_to_long_ex(pv_unique);
                unique = (UWORD) Z_LVAL_PP(pv_unique);
                convert_to_long_ex(pv_reserved);
                reserved = (UWORD) Z_LVAL_PP(pv_reserved);
        } else {
                WRONG_PARAM_COUNT;
        }

        ZEND_FETCH_RESOURCE2(conn, odbc_connection *, pv_conn, -1, "ODBC-Link", le_conn, le_pconn);

        result = (odbc_result *)ecalloc(1, sizeof(odbc_result));
        
        rc = SQLAllocStmt(conn->hdbc, &(result->stmt));
        if (rc == SQL_INVALID_HANDLE) {
                efree(result);
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "SQLAllocStmt error 'Invalid Handle'");
                RETURN_FALSE;
        }

        if (rc == SQL_ERROR) {
                odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLAllocStmt");
                efree(result);
                RETURN_FALSE;
        }

        rc = SQLStatistics(result->stmt, 
                        cat, SAFE_SQL_NTS(cat),
                        schema, SAFE_SQL_NTS(schema), 
                        name, SAFE_SQL_NTS(name),
                        unique,
                        reserved);

        if (rc == SQL_ERROR) {
                odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLStatistics");
                efree(result);
                RETURN_FALSE;
        }

        result->numparams = 0;
        SQLNumResultCols(result->stmt, &(result->numcols));

        if (result->numcols > 0) {
                if (!odbc_bindcols(result TSRMLS_CC)) {
                        efree(result);
                        RETURN_FALSE;
                }
        } else {
                result->values = NULL;
        }
        result->conn_ptr = conn;
        result->fetched = 0;
        ZEND_REGISTER_RESOURCE(return_value, result, le_result);
}
/* }}} */

#if !defined(HAVE_DBMAKER) && !defined(HAVE_SOLID) && !defined(HAVE_SOLID_30) && !defined(HAVE_SOLID_35) && !defined(HAVE_BIRDSTEP)
/* {{{ proto resource odbc_tableprivileges(resource connection_id, string qualifier, string owner, string name)
   Returns a result identifier containing a list of tables and the privileges associated with each table */
PHP_FUNCTION(odbc_tableprivileges)
{
        zval **pv_conn, **pv_cat, **pv_schema, **pv_table;
        odbc_result   *result = NULL;
        odbc_connection *conn;
        char *cat = NULL, *schema = NULL, *table = NULL;
        RETCODE rc;
        int argc;

        argc = ZEND_NUM_ARGS();
        if (argc == 4) {
                if (zend_get_parameters_ex(4, &pv_conn, &pv_cat, &pv_schema, &pv_table) == FAILURE) {
                        WRONG_PARAM_COUNT;
                }
                convert_to_string_ex(pv_cat);
                cat = Z_STRVAL_PP(pv_cat);
                convert_to_string_ex(pv_schema);
                schema = Z_STRVAL_PP(pv_schema);
                convert_to_string_ex(pv_table);
                table = Z_STRVAL_PP(pv_table);
        } else {
                WRONG_PARAM_COUNT;
        }

        ZEND_FETCH_RESOURCE2(conn, odbc_connection *, pv_conn, -1, "ODBC-Link", le_conn, le_pconn);

        result = (odbc_result *)ecalloc(1, sizeof(odbc_result));
        
        rc = SQLAllocStmt(conn->hdbc, &(result->stmt));
        if (rc == SQL_INVALID_HANDLE) {
                efree(result);
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "SQLAllocStmt error 'Invalid Handle'");
                RETURN_FALSE;
        }

        if (rc == SQL_ERROR) {
                odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLAllocStmt");
                efree(result);
                RETURN_FALSE;
        }

        rc = SQLTablePrivileges(result->stmt, 
                        cat, SAFE_SQL_NTS(cat), 
                        schema, SAFE_SQL_NTS(schema), 
                        table, SAFE_SQL_NTS(table));

        if (rc == SQL_ERROR) {
                odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLTablePrivileges");
                efree(result);
                RETURN_FALSE;
        }

        result->numparams = 0;
        SQLNumResultCols(result->stmt, &(result->numcols));

        if (result->numcols > 0) {
                if (!odbc_bindcols(result TSRMLS_CC)) {
                        efree(result);
                        RETURN_FALSE;
                }
        } else {
                result->values = NULL;
        }
        result->conn_ptr = conn;
        result->fetched = 0;
        ZEND_REGISTER_RESOURCE(return_value, result, le_result);
}
/* }}} */
#endif /* HAVE_DBMAKER */

#endif /* HAVE_UODBC */

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * End:
 * vim600: sw=4 ts=4 fdm=marker
 * vim<600: sw=4 ts=4
 */

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