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DEFINITIONS
This source file includes following definitions.
- dblib_fetch_error
- dblib_handle_closer
- dblib_handle_preparer
- dblib_handle_doer
- dblib_handle_quoter
- pdo_dblib_handle_factory
/*
+----------------------------------------------------------------------+
| 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. |
+----------------------------------------------------------------------+
| Author: Wez Furlong <wez@php.net> |
| Frank M. Kromann <frank@kromann.info> |
+----------------------------------------------------------------------+
*/
/* $Id: dblib_driver.c,v 1.9.2.2.2.3 2007/12/31 07:20:09 sebastian Exp $ */
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "pdo/php_pdo.h"
#include "pdo/php_pdo_driver.h"
#include "php_pdo_dblib.h"
#include "php_pdo_dblib_int.h"
#include "zend_exceptions.h"
static int dblib_fetch_error(pdo_dbh_t *dbh, pdo_stmt_t *stmt, zval *info TSRMLS_DC)
{
pdo_dblib_db_handle *H = (pdo_dblib_db_handle *)dbh->driver_data;
pdo_dblib_err *einfo = &H->err;
pdo_dblib_stmt *S = NULL;
char *message;
char *msg;
if (stmt) {
S = (pdo_dblib_stmt*)stmt->driver_data;
einfo = &S->err;
}
if (einfo->dberr == SYBESMSG && einfo->lastmsg) {
msg = einfo->lastmsg;
} else if (einfo->dberr == SYBESMSG && DBLIB_G(err).lastmsg) {
msg = DBLIB_G(err).lastmsg;
DBLIB_G(err).lastmsg = NULL;
} else {
msg = einfo->dberrstr;
}
spprintf(&message, 0, "%s [%d] (severity %d) [%s]",
msg, einfo->dberr, einfo->severity, stmt ? stmt->active_query_string : "");
add_next_index_long(info, einfo->dberr);
add_next_index_string(info, message, 0);
add_next_index_long(info, einfo->oserr);
add_next_index_long(info, einfo->severity);
if (einfo->oserrstr) {
add_next_index_string(info, einfo->oserrstr, 1);
}
return 1;
}
static int dblib_handle_closer(pdo_dbh_t *dbh TSRMLS_DC)
{
pdo_dblib_db_handle *H = (pdo_dblib_db_handle *)dbh->driver_data;
if (H) {
if (H->link) {
dbclose(H->link);
H->link = NULL;
}
if (H->login) {
dbfreelogin(H->login);
H->login = NULL;
}
pefree(H, dbh->is_persistent);
dbh->driver_data = NULL;
}
return 0;
}
static int dblib_handle_preparer(pdo_dbh_t *dbh, const char *sql, long sql_len, pdo_stmt_t *stmt, zval *driver_options TSRMLS_DC)
{
pdo_dblib_db_handle *H = (pdo_dblib_db_handle *)dbh->driver_data;
pdo_dblib_stmt *S = ecalloc(1, sizeof(*S));
S->H = H;
stmt->driver_data = S;
stmt->methods = &dblib_stmt_methods;
stmt->supports_placeholders = PDO_PLACEHOLDER_NONE;
S->err.sqlstate = stmt->error_code;
return 1;
}
static long dblib_handle_doer(pdo_dbh_t *dbh, const char *sql, long sql_len TSRMLS_DC)
{
pdo_dblib_db_handle *H = (pdo_dblib_db_handle *)dbh->driver_data;
RETCODE ret, resret;
dbsetuserdata(H->link, (BYTE*)&H->err);
if (FAIL == dbcmd(H->link, sql)) {
return -1;
}
if (FAIL == dbsqlexec(H->link)) {
return -1;
}
resret = dbresults(H->link);
if (resret == FAIL) {
return -1;
}
ret = dbnextrow(H->link);
if (ret == FAIL) {
return -1;
}
if (dbnumcols(H->link) <= 0) {
return DBCOUNT(H->link);
}
/* throw away any rows it might have returned */
dbcanquery(H->link);
return DBCOUNT(H->link);
}
static int dblib_handle_quoter(pdo_dbh_t *dbh, const char *unquoted, int unquotedlen, char **quoted, int *quotedlen, enum pdo_param_type paramtype TSRMLS_DC)
{
pdo_dblib_db_handle *H = (pdo_dblib_db_handle *)dbh->driver_data;
char *q;
int l = 1;
*quoted = q = safe_emalloc(2, unquotedlen, 3);
*q++ = '\'';
while (unquotedlen--) {
if (*unquoted == '\'') {
*q++ = '\'';
*q++ = '\'';
l += 2;
} else {
*q++ = *unquoted;
++l;
}
unquoted++;
}
*q++ = '\'';
*q++ = '\0';
*quotedlen = l+1;
return 1;
}
static struct pdo_dbh_methods dblib_methods = {
dblib_handle_closer,
dblib_handle_preparer,
dblib_handle_doer,
dblib_handle_quoter,
NULL,
NULL,
NULL,
NULL,
NULL, /* last insert */
dblib_fetch_error, /* fetch error */
NULL, /* get attr */
NULL, /* check liveness */
};
static int pdo_dblib_handle_factory(pdo_dbh_t *dbh, zval *driver_options TSRMLS_DC)
{
pdo_dblib_db_handle *H;
int i, ret = 0;
struct pdo_data_src_parser vars[] = {
{ "charset", NULL, 0 },
{ "appname", "PHP " PDO_DBLIB_FLAVOUR, 0 },
{ "host", "127.0.0.1", 0 },
{ "dbname", NULL, 0 },
{ "secure", NULL, 0 }, /* DBSETLSECURE */
/* TODO: DBSETLVERSION ? */
};
php_pdo_parse_data_source(dbh->data_source, dbh->data_source_len, vars, 5);
H = pecalloc(1, sizeof(*H), dbh->is_persistent);
H->login = dblogin();
H->err.sqlstate = dbh->error_code;
if (!H->login) {
goto cleanup;
}
if (dbh->username) {
DBSETLUSER(H->login, dbh->username);
}
if (dbh->password) {
DBSETLPWD(H->login, dbh->password);
}
#if !PHP_DBLIB_IS_MSSQL
if (vars[0].optval) {
DBSETLCHARSET(H->login, vars[0].optval);
}
#endif
DBSETLAPP(H->login, vars[1].optval);
#if PHP_DBLIB_IS_MSSQL
dbprocerrhandle(H->login, (EHANDLEFUNC) error_handler);
dbprocmsghandle(H->login, (MHANDLEFUNC) msg_handler);
#endif
H->link = dbopen(H->login, vars[2].optval);
if (H->link == NULL) {
goto cleanup;
}
if (vars[3].optval && FAIL == dbuse(H->link, vars[3].optval)) {
goto cleanup;
}
ret = 1;
dbh->max_escaped_char_length = 2;
dbh->alloc_own_columns = 1;
cleanup:
for (i = 0; i < sizeof(vars)/sizeof(vars[0]); i++) {
if (vars[i].freeme) {
efree(vars[i].optval);
}
}
dbh->methods = &dblib_methods;
dbh->driver_data = H;
if (!ret) {
zend_throw_exception_ex(php_pdo_get_exception(), 0 TSRMLS_CC,
"SQLSTATE[%s] %s (severity %d)",
DBLIB_G(err).sqlstate,
DBLIB_G(err).dberrstr,
DBLIB_G(err).severity);
}
return ret;
}
pdo_driver_t pdo_dblib_driver = {
#if PDO_DBLIB_IS_MSSQL
PDO_DRIVER_HEADER(mssql),
#elif defined(PHP_WIN32)
PDO_DRIVER_HEADER(sybase),
#else
PDO_DRIVER_HEADER(dblib),
#endif
pdo_dblib_handle_factory
};