root/ext/standard/file.c

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

DEFINITIONS

This source file includes following definitions.
  1. php_le_stream_context
  2. ZEND_RSRC_DTOR_FUNC
  3. file_globals_ctor
  4. file_globals_dtor
  5. PHP_INI_BEGIN
  6. PHP_MSHUTDOWN_FUNCTION
  7. PHP_FUNCTION
  8. PHP_FUNCTION
  9. PHP_FUNCTION
  10. PHP_FUNCTION
  11. PHP_FUNCTION
  12. PHP_FUNCTION
  13. PHP_NAMED_FUNCTION
  14. PHP_NAMED_FUNCTION
  15. PHP_FUNCTION
  16. PHP_FUNCTION
  17. PHP_FUNCTION
  18. PHP_FUNCTION
  19. PHP_FUNCTION
  20. PHP_FUNCTION
  21. PHP_FUNCTION
  22. PHP_FUNCTION
  23. PHP_FUNCTION
  24. PHP_FUNCTION
  25. PHP_FUNCTION
  26. PHP_FUNCTION
  27. PHP_FUNCTION
  28. php_mkdir_ex
  29. php_mkdir
  30. PHP_FUNCTION
  31. PHP_FUNCTION
  32. PHP_FUNCTION
  33. PHP_FUNCTION
  34. PHP_FUNCTION
  35. PHP_FUNCTION
  36. PHP_FUNCTION
  37. PHP_NAMED_FUNCTION
  38. PHP_NAMED_FUNCTION
  39. PHP_FUNCTION
  40. php_copy_file
  41. php_copy_file_ex
  42. php_copy_file_ctx
  43. PHP_FUNCTION
  44. php_fgetcsv_lookup_trailing_spaces
  45. PHP_FUNCTION
  46. php_fputcsv
  47. PHP_FUNCTION
  48. php_fgetcsv
  49. PHP_FUNCTION
  50. php_next_meta_token
  51. PHP_FUNCTION
  52. PHP_FUNCTION

/*
   +----------------------------------------------------------------------+
   | PHP Version 5                                                        |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997-2015 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: Rasmus Lerdorf <rasmus@php.net>                             |
   |          Stig Bakken <ssb@php.net>                                   |
   |          Andi Gutmans <andi@zend.com>                                |
   |          Zeev Suraski <zeev@zend.com>                                |
   | PHP 4.0 patches by Thies C. Arntzen (thies@thieso.net)               |
   | PHP streams by Wez Furlong (wez@thebrainroom.com)                    |
   +----------------------------------------------------------------------+
*/

/* $Id$ */

/* Synced with php 3.0 revision 1.218 1999-06-16 [ssb] */

/* {{{ includes */

#include "php.h"
#include "php_globals.h"
#include "ext/standard/flock_compat.h"
#include "ext/standard/exec.h"
#include "ext/standard/php_filestat.h"
#include "php_open_temporary_file.h"
#include "ext/standard/basic_functions.h"
#include "php_ini.h"
#include "php_smart_str.h"

#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

#ifdef PHP_WIN32
# include <io.h>
# define O_RDONLY _O_RDONLY
# include "win32/param.h"
# include "win32/winutil.h"
# include "win32/fnmatch.h"
#else
# if HAVE_SYS_PARAM_H
#  include <sys/param.h>
# endif
# if HAVE_SYS_SELECT_H
#  include <sys/select.h>
# endif
# if defined(NETWARE) && defined(USE_WINSOCK)
#  include <novsock2.h>
# else
#  include <sys/socket.h>
#  include <netinet/in.h>
#  include <netdb.h>
# endif
# if HAVE_ARPA_INET_H
#  include <arpa/inet.h>
# endif
#endif

#include "ext/standard/head.h"
#include "php_string.h"
#include "file.h"

#if HAVE_PWD_H
# ifdef PHP_WIN32
#  include "win32/pwd.h"
# else
#  include <pwd.h>
# endif
#endif

#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif

#include "fsock.h"
#include "fopen_wrappers.h"
#include "streamsfuncs.h"
#include "php_globals.h"

#ifdef HAVE_SYS_FILE_H
# include <sys/file.h>
#endif

#if MISSING_FCLOSE_DECL
extern int fclose(FILE *);
#endif

#ifdef HAVE_SYS_MMAN_H
# include <sys/mman.h>
#endif

#include "scanf.h"
#include "zend_API.h"

#ifdef ZTS
int file_globals_id;
#else
php_file_globals file_globals;
#endif

#if defined(HAVE_FNMATCH) && !defined(PHP_WIN32)
# ifndef _GNU_SOURCE
#  define _GNU_SOURCE
# endif
# include <fnmatch.h>
#endif

#ifdef HAVE_WCHAR_H
# include <wchar.h>
#endif

#ifndef S_ISDIR
# define S_ISDIR(mode)  (((mode)&S_IFMT) == S_IFDIR)
#endif
/* }}} */

#define PHP_STREAM_TO_ZVAL(stream, arg) \
        php_stream_from_zval_no_verify(stream, arg); \
        if (stream == NULL) {   \
                RETURN_FALSE;   \
        }

/* {{{ ZTS-stuff / Globals / Prototypes */

/* sharing globals is *evil* */
static int le_stream_context = FAILURE;

PHPAPI int php_le_stream_context(TSRMLS_D)
{
        return le_stream_context;
}
/* }}} */

/* {{{ Module-Stuff
*/
static ZEND_RSRC_DTOR_FUNC(file_context_dtor)
{
        php_stream_context *context = (php_stream_context*)rsrc->ptr;
        if (context->options) {
                zval_ptr_dtor(&context->options);
                context->options = NULL;
        }
        php_stream_context_free(context);
}

static void file_globals_ctor(php_file_globals *file_globals_p TSRMLS_DC)
{
        FG(pclose_ret) = 0;
        FG(pclose_wait) = 0;
        FG(user_stream_current_filename) = NULL;
        FG(def_chunk_size) = PHP_SOCK_CHUNK_SIZE;
        FG(wrapper_errors) = NULL;
}

static void file_globals_dtor(php_file_globals *file_globals_p TSRMLS_DC)
{
}

PHP_INI_BEGIN()
        STD_PHP_INI_ENTRY("user_agent", NULL, PHP_INI_ALL, OnUpdateString, user_agent, php_file_globals, file_globals)
        STD_PHP_INI_ENTRY("from", NULL, PHP_INI_ALL, OnUpdateString, from_address, php_file_globals, file_globals)
        STD_PHP_INI_ENTRY("default_socket_timeout", "60", PHP_INI_ALL, OnUpdateLong, default_socket_timeout, php_file_globals, file_globals)
        STD_PHP_INI_ENTRY("auto_detect_line_endings", "0", PHP_INI_ALL, OnUpdateLong, auto_detect_line_endings, php_file_globals, file_globals)
PHP_INI_END()

PHP_MINIT_FUNCTION(file)
{
        le_stream_context = zend_register_list_destructors_ex(file_context_dtor, NULL, "stream-context", module_number);

#ifdef ZTS
        ts_allocate_id(&file_globals_id, sizeof(php_file_globals), (ts_allocate_ctor) file_globals_ctor, (ts_allocate_dtor) file_globals_dtor);
#else
        file_globals_ctor(&file_globals TSRMLS_CC);
#endif

        REGISTER_INI_ENTRIES();

        REGISTER_LONG_CONSTANT("SEEK_SET", SEEK_SET, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("SEEK_CUR", SEEK_CUR, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("SEEK_END", SEEK_END, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("LOCK_SH", PHP_LOCK_SH, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("LOCK_EX", PHP_LOCK_EX, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("LOCK_UN", PHP_LOCK_UN, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("LOCK_NB", PHP_LOCK_NB, CONST_CS | CONST_PERSISTENT);

        REGISTER_LONG_CONSTANT("STREAM_NOTIFY_CONNECT",                 PHP_STREAM_NOTIFY_CONNECT,                      CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_NOTIFY_AUTH_REQUIRED",   PHP_STREAM_NOTIFY_AUTH_REQUIRED,        CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_NOTIFY_AUTH_RESULT",             PHP_STREAM_NOTIFY_AUTH_RESULT,          CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_NOTIFY_MIME_TYPE_IS",    PHP_STREAM_NOTIFY_MIME_TYPE_IS,         CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_NOTIFY_FILE_SIZE_IS",    PHP_STREAM_NOTIFY_FILE_SIZE_IS,         CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_NOTIFY_REDIRECTED",              PHP_STREAM_NOTIFY_REDIRECTED,           CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_NOTIFY_PROGRESS",                PHP_STREAM_NOTIFY_PROGRESS,                     CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_NOTIFY_FAILURE",                 PHP_STREAM_NOTIFY_FAILURE,                      CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_NOTIFY_COMPLETED",               PHP_STREAM_NOTIFY_COMPLETED,            CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_NOTIFY_RESOLVE",                 PHP_STREAM_NOTIFY_RESOLVE,                      CONST_CS | CONST_PERSISTENT);

        REGISTER_LONG_CONSTANT("STREAM_NOTIFY_SEVERITY_INFO",   PHP_STREAM_NOTIFY_SEVERITY_INFO,        CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_NOTIFY_SEVERITY_WARN",   PHP_STREAM_NOTIFY_SEVERITY_WARN,        CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_NOTIFY_SEVERITY_ERR",    PHP_STREAM_NOTIFY_SEVERITY_ERR,         CONST_CS | CONST_PERSISTENT);

        REGISTER_LONG_CONSTANT("STREAM_FILTER_READ",                    PHP_STREAM_FILTER_READ,                         CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_FILTER_WRITE",                   PHP_STREAM_FILTER_WRITE,                        CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_FILTER_ALL",                             PHP_STREAM_FILTER_ALL,                          CONST_CS | CONST_PERSISTENT);

        REGISTER_LONG_CONSTANT("STREAM_CLIENT_PERSISTENT",              PHP_STREAM_CLIENT_PERSISTENT,           CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_CLIENT_ASYNC_CONNECT",   PHP_STREAM_CLIENT_ASYNC_CONNECT,        CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_CLIENT_CONNECT",                 PHP_STREAM_CLIENT_CONNECT,      CONST_CS | CONST_PERSISTENT);

        REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_ANY_CLIENT",       STREAM_CRYPTO_METHOD_ANY_CLIENT,        CONST_CS|CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv2_CLIENT",     STREAM_CRYPTO_METHOD_SSLv2_CLIENT,      CONST_CS|CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv3_CLIENT",     STREAM_CRYPTO_METHOD_SSLv3_CLIENT,      CONST_CS|CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv23_CLIENT",    STREAM_CRYPTO_METHOD_SSLv23_CLIENT,     CONST_CS|CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLS_CLIENT",       STREAM_CRYPTO_METHOD_TLS_CLIENT,        CONST_CS|CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_0_CLIENT",   STREAM_CRYPTO_METHOD_TLSv1_0_CLIENT,    CONST_CS|CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT",   STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT,    CONST_CS|CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT",   STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT,    CONST_CS|CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_ANY_SERVER",       STREAM_CRYPTO_METHOD_ANY_SERVER,        CONST_CS|CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv2_SERVER",     STREAM_CRYPTO_METHOD_SSLv2_SERVER,      CONST_CS|CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv3_SERVER",     STREAM_CRYPTO_METHOD_SSLv3_SERVER,      CONST_CS|CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv23_SERVER",    STREAM_CRYPTO_METHOD_SSLv23_SERVER,     CONST_CS|CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLS_SERVER",       STREAM_CRYPTO_METHOD_TLS_SERVER,        CONST_CS|CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_0_SERVER",   STREAM_CRYPTO_METHOD_TLSv1_0_SERVER,    CONST_CS|CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_1_SERVER",   STREAM_CRYPTO_METHOD_TLSv1_1_SERVER,    CONST_CS|CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_2_SERVER",   STREAM_CRYPTO_METHOD_TLSv1_2_SERVER,    CONST_CS|CONST_PERSISTENT);

        REGISTER_LONG_CONSTANT("STREAM_SHUT_RD",        STREAM_SHUT_RD,         CONST_CS|CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_SHUT_WR",        STREAM_SHUT_WR,         CONST_CS|CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_SHUT_RDWR",      STREAM_SHUT_RDWR,       CONST_CS|CONST_PERSISTENT);

#ifdef PF_INET
        REGISTER_LONG_CONSTANT("STREAM_PF_INET", PF_INET, CONST_CS|CONST_PERSISTENT);
#elif defined(AF_INET)
        REGISTER_LONG_CONSTANT("STREAM_PF_INET", AF_INET, CONST_CS|CONST_PERSISTENT);
#endif

#if HAVE_IPV6
# ifdef PF_INET6
        REGISTER_LONG_CONSTANT("STREAM_PF_INET6", PF_INET6, CONST_CS|CONST_PERSISTENT);
# elif defined(AF_INET6)
        REGISTER_LONG_CONSTANT("STREAM_PF_INET6", AF_INET6, CONST_CS|CONST_PERSISTENT);
# endif
#endif

#ifdef PF_UNIX
        REGISTER_LONG_CONSTANT("STREAM_PF_UNIX", PF_UNIX, CONST_CS|CONST_PERSISTENT);
#elif defined(AF_UNIX)
        REGISTER_LONG_CONSTANT("STREAM_PF_UNIX", AF_UNIX, CONST_CS|CONST_PERSISTENT);
#endif

#ifdef IPPROTO_IP
        /* most people will use this one when calling socket() or socketpair() */
        REGISTER_LONG_CONSTANT("STREAM_IPPROTO_IP", IPPROTO_IP, CONST_CS|CONST_PERSISTENT);
#endif

#ifdef IPPROTO_TCP
        REGISTER_LONG_CONSTANT("STREAM_IPPROTO_TCP", IPPROTO_TCP, CONST_CS|CONST_PERSISTENT);
#endif

#ifdef IPPROTO_UDP
        REGISTER_LONG_CONSTANT("STREAM_IPPROTO_UDP", IPPROTO_UDP, CONST_CS|CONST_PERSISTENT);
#endif

#ifdef IPPROTO_ICMP
        REGISTER_LONG_CONSTANT("STREAM_IPPROTO_ICMP", IPPROTO_ICMP, CONST_CS|CONST_PERSISTENT);
#endif

#ifdef IPPROTO_RAW
        REGISTER_LONG_CONSTANT("STREAM_IPPROTO_RAW", IPPROTO_RAW, CONST_CS|CONST_PERSISTENT);
#endif

        REGISTER_LONG_CONSTANT("STREAM_SOCK_STREAM", SOCK_STREAM, CONST_CS|CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_SOCK_DGRAM", SOCK_DGRAM, CONST_CS|CONST_PERSISTENT);

#ifdef SOCK_RAW
        REGISTER_LONG_CONSTANT("STREAM_SOCK_RAW", SOCK_RAW, CONST_CS|CONST_PERSISTENT);
#endif

#ifdef SOCK_SEQPACKET
        REGISTER_LONG_CONSTANT("STREAM_SOCK_SEQPACKET", SOCK_SEQPACKET, CONST_CS|CONST_PERSISTENT);
#endif

#ifdef SOCK_RDM
        REGISTER_LONG_CONSTANT("STREAM_SOCK_RDM", SOCK_RDM, CONST_CS|CONST_PERSISTENT);
#endif

        REGISTER_LONG_CONSTANT("STREAM_PEEK", STREAM_PEEK, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_OOB",  STREAM_OOB, CONST_CS | CONST_PERSISTENT);

        REGISTER_LONG_CONSTANT("STREAM_SERVER_BIND",                    STREAM_XPORT_BIND,                                      CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("STREAM_SERVER_LISTEN",                  STREAM_XPORT_LISTEN,                            CONST_CS | CONST_PERSISTENT);

        REGISTER_LONG_CONSTANT("FILE_USE_INCLUDE_PATH",                 PHP_FILE_USE_INCLUDE_PATH,                      CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("FILE_IGNORE_NEW_LINES",                 PHP_FILE_IGNORE_NEW_LINES,                      CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("FILE_SKIP_EMPTY_LINES",                 PHP_FILE_SKIP_EMPTY_LINES,                      CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("FILE_APPEND",                                   PHP_FILE_APPEND,                                        CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("FILE_NO_DEFAULT_CONTEXT",               PHP_FILE_NO_DEFAULT_CONTEXT,            CONST_CS | CONST_PERSISTENT);

        REGISTER_LONG_CONSTANT("FILE_TEXT",                                             0,                                                                      CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("FILE_BINARY",                                   0,                                                                      CONST_CS | CONST_PERSISTENT);

#ifdef HAVE_FNMATCH
        REGISTER_LONG_CONSTANT("FNM_NOESCAPE", FNM_NOESCAPE, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("FNM_PATHNAME", FNM_PATHNAME, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("FNM_PERIOD",   FNM_PERIOD,   CONST_CS | CONST_PERSISTENT);
# ifdef FNM_CASEFOLD /* a GNU extension */ /* TODO emulate if not available */
        REGISTER_LONG_CONSTANT("FNM_CASEFOLD", FNM_CASEFOLD, CONST_CS | CONST_PERSISTENT);
# endif
#endif

        return SUCCESS;
}
/* }}} */

PHP_MSHUTDOWN_FUNCTION(file) /* {{{ */
{
#ifndef ZTS
        file_globals_dtor(&file_globals TSRMLS_CC);
#endif
        return SUCCESS;
}
/* }}} */

static int flock_values[] = { LOCK_SH, LOCK_EX, LOCK_UN };

/* {{{ proto bool flock(resource fp, int operation [, int &wouldblock])
   Portable file locking */
PHP_FUNCTION(flock)
{
        zval *res, *wouldblock = NULL;
        int act;
        php_stream *stream;
        long operation = 0;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl|z", &res, &operation, &wouldblock) == FAILURE) {
                return;
        }

        PHP_STREAM_TO_ZVAL(stream, &res);

        act = operation & 3;
        if (act < 1 || act > 3) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Illegal operation argument");
                RETURN_FALSE;
        }

        if (wouldblock && PZVAL_IS_REF(wouldblock)) {
                convert_to_long_ex(&wouldblock);
                Z_LVAL_P(wouldblock) = 0;
        }

        /* flock_values contains all possible actions if (operation & 4) we won't block on the lock */
        act = flock_values[act - 1] | (operation & PHP_LOCK_NB ? LOCK_NB : 0);
        if (php_stream_lock(stream, act)) {
                if (operation && errno == EWOULDBLOCK && wouldblock && PZVAL_IS_REF(wouldblock)) {
                        Z_LVAL_P(wouldblock) = 1;
                }
                RETURN_FALSE;
        }
        RETURN_TRUE;
}
/* }}} */

#define PHP_META_UNSAFE ".\\+*?[^]$() "

/* {{{ proto array get_meta_tags(string filename [, bool use_include_path])
   Extracts all meta tag content attributes from a file and returns an array */
PHP_FUNCTION(get_meta_tags)
{
        char *filename;
        int filename_len;
        zend_bool use_include_path = 0;
        int in_tag = 0, done = 0;
        int looking_for_val = 0, have_name = 0, have_content = 0;
        int saw_name = 0, saw_content = 0;
        char *name = NULL, *value = NULL, *temp = NULL;
        php_meta_tags_token tok, tok_last;
        php_meta_tags_data md;

        /* Initiailize our structure */
        memset(&md, 0, sizeof(md));

        /* Parse arguments */
        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|b", &filename, &filename_len, &use_include_path) == FAILURE) {
                return;
        }

        md.stream = php_stream_open_wrapper(filename, "rb",
                        (use_include_path ? USE_PATH : 0) | REPORT_ERRORS,
                        NULL);
        if (!md.stream) {
                RETURN_FALSE;
        }

        array_init(return_value);

        tok_last = TOK_EOF;

        while (!done && (tok = php_next_meta_token(&md TSRMLS_CC)) != TOK_EOF) {
                if (tok == TOK_ID) {
                        if (tok_last == TOK_OPENTAG) {
                                md.in_meta = !strcasecmp("meta", md.token_data);
                        } else if (tok_last == TOK_SLASH && in_tag) {
                                if (strcasecmp("head", md.token_data) == 0) {
                                        /* We are done here! */
                                        done = 1;
                                }
                        } else if (tok_last == TOK_EQUAL && looking_for_val) {
                                if (saw_name) {
                                        STR_FREE(name);
                                        /* Get the NAME attr (Single word attr, non-quoted) */
                                        temp = name = estrndup(md.token_data, md.token_len);

                                        while (temp && *temp) {
                                                if (strchr(PHP_META_UNSAFE, *temp)) {
                                                        *temp = '_';
                                                }
                                                temp++;
                                        }

                                        have_name = 1;
                                } else if (saw_content) {
                                        STR_FREE(value);
                                        value = estrndup(md.token_data, md.token_len);
                                        have_content = 1;
                                }

                                looking_for_val = 0;
                        } else {
                                if (md.in_meta) {
                                        if (strcasecmp("name", md.token_data) == 0) {
                                                saw_name = 1;
                                                saw_content = 0;
                                                looking_for_val = 1;
                                        } else if (strcasecmp("content", md.token_data) == 0) {
                                                saw_name = 0;
                                                saw_content = 1;
                                                looking_for_val = 1;
                                        }
                                }
                        }
                } else if (tok == TOK_STRING && tok_last == TOK_EQUAL && looking_for_val) {
                        if (saw_name) {
                                STR_FREE(name);
                                /* Get the NAME attr (Quoted single/double) */
                                temp = name = estrndup(md.token_data, md.token_len);

                                while (temp && *temp) {
                                        if (strchr(PHP_META_UNSAFE, *temp)) {
                                                *temp = '_';
                                        }
                                        temp++;
                                }

                                have_name = 1;
                        } else if (saw_content) {
                                STR_FREE(value);
                                value = estrndup(md.token_data, md.token_len);
                                have_content = 1;
                        }

                        looking_for_val = 0;
                } else if (tok == TOK_OPENTAG) {
                        if (looking_for_val) {
                                looking_for_val = 0;
                                have_name = saw_name = 0;
                                have_content = saw_content = 0;
                        }
                        in_tag = 1;
                } else if (tok == TOK_CLOSETAG) {
                        if (have_name) {
                                /* For BC */
                                php_strtolower(name, strlen(name));
                                if (have_content) {
                                        add_assoc_string(return_value, name, value, 1);
                                } else {
                                        add_assoc_string(return_value, name, "", 1);
                                }

                                efree(name);
                                STR_FREE(value);
                        } else if (have_content) {
                                efree(value);
                        }

                        name = value = NULL;

                        /* Reset all of our flags */
                        in_tag = looking_for_val = 0;
                        have_name = saw_name = 0;
                        have_content = saw_content = 0;
                        md.in_meta = 0;
                }

                tok_last = tok;

                if (md.token_data)
                        efree(md.token_data);

                md.token_data = NULL;
        }

        STR_FREE(value);
        STR_FREE(name);
        php_stream_close(md.stream);
}
/* }}} */

/* {{{ proto string file_get_contents(string filename [, bool use_include_path [, resource context [, long offset [, long maxlen]]]])
   Read the entire file into a string */
PHP_FUNCTION(file_get_contents)
{
        char *filename;
        int filename_len;
        char *contents;
        zend_bool use_include_path = 0;
        php_stream *stream;
        long len;
        long offset = -1;
        long maxlen = PHP_STREAM_COPY_ALL;
        zval *zcontext = NULL;
        php_stream_context *context = NULL;

        /* Parse arguments */
        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|br!ll", &filename, &filename_len, &use_include_path, &zcontext, &offset, &maxlen) == FAILURE) {
                return;
        }

        if (ZEND_NUM_ARGS() == 5 && maxlen < 0) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "length must be greater than or equal to zero");
                RETURN_FALSE;
        }

        context = php_stream_context_from_zval(zcontext, 0);

        stream = php_stream_open_wrapper_ex(filename, "rb",
                                (use_include_path ? USE_PATH : 0) | REPORT_ERRORS,
                                NULL, context);
        if (!stream) {
                RETURN_FALSE;
        }

        if (offset > 0 && php_stream_seek(stream, offset, SEEK_SET) < 0) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to seek to position %ld in the stream", offset);
                php_stream_close(stream);
                RETURN_FALSE;
        }

        if ((len = php_stream_copy_to_mem(stream, &contents, maxlen, 0)) > 0) {
                if (len > INT_MAX) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "content truncated from %ld to %d bytes", len, INT_MAX);
                        len = INT_MAX;
                }
                RETVAL_STRINGL(contents, len, 0);
        } else if (len == 0) {
                RETVAL_EMPTY_STRING();
        } else {
                RETVAL_FALSE;
        }

        php_stream_close(stream);
}
/* }}} */

/* {{{ proto int file_put_contents(string file, mixed data [, int flags [, resource context]])
   Write/Create a file with contents data and return the number of bytes written */
PHP_FUNCTION(file_put_contents)
{
        php_stream *stream;
        char *filename;
        int filename_len;
        zval *data;
        long numbytes = 0;
        long flags = 0;
        zval *zcontext = NULL;
        php_stream_context *context = NULL;
        php_stream *srcstream = NULL;
        char mode[3] = "wb";

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "pz/|lr!", &filename, &filename_len, &data, &flags, &zcontext) == FAILURE) {
                return;
        }

        if (Z_TYPE_P(data) == IS_RESOURCE) {
                php_stream_from_zval(srcstream, &data);
        }

        context = php_stream_context_from_zval(zcontext, flags & PHP_FILE_NO_DEFAULT_CONTEXT);

        if (flags & PHP_FILE_APPEND) {
                mode[0] = 'a';
        } else if (flags & LOCK_EX) {
                /* check to make sure we are dealing with a regular file */
                if (php_memnstr(filename, "://", sizeof("://") - 1, filename + filename_len)) {
                        if (strncasecmp(filename, "file://", sizeof("file://") - 1)) {
                                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Exclusive locks may only be set for regular files");
                                RETURN_FALSE;
                        }
                }
                mode[0] = 'c';
        }
        mode[2] = '\0';

        stream = php_stream_open_wrapper_ex(filename, mode, ((flags & PHP_FILE_USE_INCLUDE_PATH) ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
        if (stream == NULL) {
                RETURN_FALSE;
        }

        if (flags & LOCK_EX && (!php_stream_supports_lock(stream) || php_stream_lock(stream, LOCK_EX))) {
                php_stream_close(stream);
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Exclusive locks are not supported for this stream");
                RETURN_FALSE;
        }

        if (mode[0] == 'c') {
                php_stream_truncate_set_size(stream, 0);
        }

        switch (Z_TYPE_P(data)) {
                case IS_RESOURCE: {
                        size_t len;
                        if (php_stream_copy_to_stream_ex(srcstream, stream, PHP_STREAM_COPY_ALL, &len) != SUCCESS) {
                                numbytes = -1;
                        } else {
                                if (len > LONG_MAX) {
                                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "content truncated from %lu to %ld bytes", (unsigned long) len, LONG_MAX);
                                        len = LONG_MAX;
                                }
                                numbytes = len;
                        }
                        break;
                }
                case IS_NULL:
                case IS_LONG:
                case IS_DOUBLE:
                case IS_BOOL:
                case IS_CONSTANT:
                        convert_to_string_ex(&data);

                case IS_STRING:
                        if (Z_STRLEN_P(data)) {
                                numbytes = php_stream_write(stream, Z_STRVAL_P(data), Z_STRLEN_P(data));
                                if (numbytes != Z_STRLEN_P(data)) {
                                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Only %ld of %d bytes written, possibly out of free disk space", numbytes, Z_STRLEN_P(data));
                                        numbytes = -1;
                                }
                        }
                        break;

                case IS_ARRAY:
                        if (zend_hash_num_elements(Z_ARRVAL_P(data))) {
                                int bytes_written;
                                zval **tmp;
                                HashPosition pos;

                                zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(data), &pos);
                                while (zend_hash_get_current_data_ex(Z_ARRVAL_P(data), (void **) &tmp, &pos) == SUCCESS) {
                                        if (Z_TYPE_PP(tmp) != IS_STRING) {
                                                SEPARATE_ZVAL(tmp);
                                                convert_to_string(*tmp);
                                        }
                                        if (Z_STRLEN_PP(tmp)) {
                                                numbytes += Z_STRLEN_PP(tmp);
                                                bytes_written = php_stream_write(stream, Z_STRVAL_PP(tmp), Z_STRLEN_PP(tmp));
                                                if (bytes_written < 0 || bytes_written != Z_STRLEN_PP(tmp)) {
                                                        if (bytes_written < 0) {
                                                                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to write %d bytes to %s", Z_STRLEN_PP(tmp), filename);
                                                        } else {
                                                                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Only %d of %d bytes written, possibly out of free disk space", bytes_written, Z_STRLEN_PP(tmp));
                                                        }
                                                        numbytes = -1;
                                                        break;
                                                }
                                        }
                                        zend_hash_move_forward_ex(Z_ARRVAL_P(data), &pos);
                                }
                        }
                        break;

                case IS_OBJECT:
                        if (Z_OBJ_HT_P(data) != NULL) {
                                zval out;

                                if (zend_std_cast_object_tostring(data, &out, IS_STRING TSRMLS_CC) == SUCCESS) {
                                        numbytes = php_stream_write(stream, Z_STRVAL(out), Z_STRLEN(out));
                                        if (numbytes != Z_STRLEN(out)) {
                                                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Only %ld of %d bytes written, possibly out of free disk space", numbytes, Z_STRLEN(out));
                                                numbytes = -1;
                                        }
                                        zval_dtor(&out);
                                        break;
                                }
                        }
                default:
                        numbytes = -1;
                        break;
        }
        php_stream_close(stream);

        if (numbytes < 0) {
                RETURN_FALSE;
        }

        RETURN_LONG(numbytes);
}
/* }}} */

#define PHP_FILE_BUF_SIZE       80

/* {{{ proto array file(string filename [, int flags[, resource context]])
   Read entire file into an array */
PHP_FUNCTION(file)
{
        char *filename;
        int filename_len;
        char *target_buf=NULL, *p, *s, *e;
        register int i = 0;
        int target_len;
        char eol_marker = '\n';
        long flags = 0;
        zend_bool use_include_path;
        zend_bool include_new_line;
        zend_bool skip_blank_lines;
        php_stream *stream;
        zval *zcontext = NULL;
        php_stream_context *context = NULL;

        /* Parse arguments */
        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|lr!", &filename, &filename_len, &flags, &zcontext) == FAILURE) {
                return;
        }
        if (flags < 0 || flags > (PHP_FILE_USE_INCLUDE_PATH | PHP_FILE_IGNORE_NEW_LINES | PHP_FILE_SKIP_EMPTY_LINES | PHP_FILE_NO_DEFAULT_CONTEXT)) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "'%ld' flag is not supported", flags);
                RETURN_FALSE;
        }

        use_include_path = flags & PHP_FILE_USE_INCLUDE_PATH;
        include_new_line = !(flags & PHP_FILE_IGNORE_NEW_LINES);
        skip_blank_lines = flags & PHP_FILE_SKIP_EMPTY_LINES;

        context = php_stream_context_from_zval(zcontext, flags & PHP_FILE_NO_DEFAULT_CONTEXT);

        stream = php_stream_open_wrapper_ex(filename, "rb", (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
        if (!stream) {
                RETURN_FALSE;
        }

        /* Initialize return array */
        array_init(return_value);

        if ((target_len = php_stream_copy_to_mem(stream, &target_buf, PHP_STREAM_COPY_ALL, 0))) {
                s = target_buf;
                e = target_buf + target_len;

                if (!(p = php_stream_locate_eol(stream, target_buf, target_len TSRMLS_CC))) {
                        p = e;
                        goto parse_eol;
                }

                if (stream->flags & PHP_STREAM_FLAG_EOL_MAC) {
                        eol_marker = '\r';
                }

                /* for performance reasons the code is duplicated, so that the if (include_new_line)
                 * will not need to be done for every single line in the file. */
                if (include_new_line) {
                        do {
                                p++;
parse_eol:
                                add_index_stringl(return_value, i++, estrndup(s, p-s), p-s, 0);
                                s = p;
                        } while ((p = memchr(p, eol_marker, (e-p))));
                } else {
                        do {
                                int windows_eol = 0;
                                if (p != target_buf && eol_marker == '\n' && *(p - 1) == '\r') {
                                        windows_eol++;
                                }
                                if (skip_blank_lines && !(p-s-windows_eol)) {
                                        s = ++p;
                                        continue;
                                }
                                add_index_stringl(return_value, i++, estrndup(s, p-s-windows_eol), p-s-windows_eol, 0);
                                s = ++p;
                        } while ((p = memchr(p, eol_marker, (e-p))));
                }

                /* handle any left overs of files without new lines */
                if (s != e) {
                        p = e;
                        goto parse_eol;
                }
        }

        if (target_buf) {
                efree(target_buf);
        }
        php_stream_close(stream);
}
/* }}} */

/* {{{ proto string tempnam(string dir, string prefix)
   Create a unique filename in a directory */
PHP_FUNCTION(tempnam)
{
        char *dir, *prefix;
        int dir_len, prefix_len;
        size_t p_len;
        char *opened_path;
        char *p;
        int fd;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "pp", &dir, &dir_len, &prefix, &prefix_len) == FAILURE) {
                return;
        }

        if (php_check_open_basedir(dir TSRMLS_CC)) {
                RETURN_FALSE;
        }

        php_basename(prefix, prefix_len, NULL, 0, &p, &p_len TSRMLS_CC);
        if (p_len > 64) {
                p[63] = '\0';
        }

        RETVAL_FALSE;

        if ((fd = php_open_temporary_fd_ex(dir, p, &opened_path, 1 TSRMLS_CC)) >= 0) {
                close(fd);
                RETVAL_STRING(opened_path, 0);
        }
        efree(p);
}
/* }}} */

/* {{{ proto resource tmpfile(void)
   Create a temporary file that will be deleted automatically after use */
PHP_NAMED_FUNCTION(php_if_tmpfile)
{
        php_stream *stream;

        if (zend_parse_parameters_none() == FAILURE) {
                return;
        }

        stream = php_stream_fopen_tmpfile();

        if (stream) {
                php_stream_to_zval(stream, return_value);
        } else {
                RETURN_FALSE;
        }
}
/* }}} */

/* {{{ proto resource fopen(string filename, string mode [, bool use_include_path [, resource context]])
   Open a file or a URL and return a file pointer */
PHP_NAMED_FUNCTION(php_if_fopen)
{
        char *filename, *mode;
        int filename_len, mode_len;
        zend_bool use_include_path = 0;
        zval *zcontext = NULL;
        php_stream *stream;
        php_stream_context *context = NULL;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ps|br", &filename, &filename_len, &mode, &mode_len, &use_include_path, &zcontext) == FAILURE) {
                RETURN_FALSE;
        }

        context = php_stream_context_from_zval(zcontext, 0);

        stream = php_stream_open_wrapper_ex(filename, mode, (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);

        if (stream == NULL) {
                RETURN_FALSE;
        }

        php_stream_to_zval(stream, return_value);
}
/* }}} */

/* {{{ proto bool fclose(resource fp)
   Close an open file pointer */
PHPAPI PHP_FUNCTION(fclose)
{
        zval *res;
        php_stream *stream;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &res) == FAILURE) {
                RETURN_FALSE;
        }

        PHP_STREAM_TO_ZVAL(stream, &res);

        if ((stream->flags & PHP_STREAM_FLAG_NO_FCLOSE) != 0) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "%d is not a valid stream resource", stream->rsrc_id);
                RETURN_FALSE;
        }

        if (!stream->is_persistent) {
                php_stream_close(stream);
        } else {
                php_stream_pclose(stream);
        }

        RETURN_TRUE;
}
/* }}} */

/* {{{ proto resource popen(string command, string mode)
   Execute a command and open either a read or a write pipe to it */
PHP_FUNCTION(popen)
{
        char *command, *mode;
        int command_len, mode_len;
        FILE *fp;
        php_stream *stream;
        char *posix_mode;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ps", &command, &command_len, &mode, &mode_len) == FAILURE) {
                return;
        }

        posix_mode = estrndup(mode, mode_len);
#ifndef PHP_WIN32
        {
                char *z = memchr(posix_mode, 'b', mode_len);
                if (z) {
                        memmove(z, z + 1, mode_len - (z - posix_mode));
                }
        }
#endif

        fp = VCWD_POPEN(command, posix_mode);
        if (!fp) {
                php_error_docref2(NULL TSRMLS_CC, command, posix_mode, E_WARNING, "%s", strerror(errno));
                efree(posix_mode);
                RETURN_FALSE;
        }

        stream = php_stream_fopen_from_pipe(fp, mode);

        if (stream == NULL)     {
                php_error_docref2(NULL TSRMLS_CC, command, mode, E_WARNING, "%s", strerror(errno));
                RETVAL_FALSE;
        } else {
                php_stream_to_zval(stream, return_value);
        }

        efree(posix_mode);
}
/* }}} */

/* {{{ proto int pclose(resource fp)
   Close a file pointer opened by popen() */
PHP_FUNCTION(pclose)
{
        zval *res;
        php_stream *stream;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &res) == FAILURE) {
                RETURN_FALSE;
        }

        PHP_STREAM_TO_ZVAL(stream, &res);

        FG(pclose_wait) = 1;
        zend_list_delete(stream->rsrc_id);
        FG(pclose_wait) = 0;
        RETURN_LONG(FG(pclose_ret));
}
/* }}} */

/* {{{ proto bool feof(resource fp)
   Test for end-of-file on a file pointer */
PHPAPI PHP_FUNCTION(feof)
{
        zval *res;
        php_stream *stream;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &res) == FAILURE) {
                RETURN_FALSE;
        }

        PHP_STREAM_TO_ZVAL(stream, &res);

        if (php_stream_eof(stream)) {
                RETURN_TRUE;
        } else {
                RETURN_FALSE;
        }
}
/* }}} */

/* {{{ proto string fgets(resource fp[, int length])
   Get a line from file pointer */
PHPAPI PHP_FUNCTION(fgets)
{
        zval *res;
        long len = 1024;
        char *buf = NULL;
        int argc = ZEND_NUM_ARGS();
        size_t line_len = 0;
        php_stream *stream;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|l", &res, &len) == FAILURE) {
                RETURN_FALSE;
        }

        PHP_STREAM_TO_ZVAL(stream, &res);

        if (argc == 1) {
                /* ask streams to give us a buffer of an appropriate size */
                buf = php_stream_get_line(stream, NULL, 0, &line_len);
                if (buf == NULL) {
                        goto exit_failed;
                }
        } else if (argc > 1) {
                if (len <= 0) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0");
                        RETURN_FALSE;
                }

                buf = ecalloc(len + 1, sizeof(char));
                if (php_stream_get_line(stream, buf, len, &line_len) == NULL) {
                        goto exit_failed;
                }
        }

        ZVAL_STRINGL(return_value, buf, line_len, 0);
        /* resize buffer if it's much larger than the result.
         * Only needed if the user requested a buffer size. */
        if (argc > 1 && Z_STRLEN_P(return_value) < len / 2) {
                Z_STRVAL_P(return_value) = erealloc(buf, line_len + 1);
        }
        return;

exit_failed:
        RETVAL_FALSE;
        if (buf) {
                efree(buf);
        }
}
/* }}} */

/* {{{ proto string fgetc(resource fp)
   Get a character from file pointer */
PHPAPI PHP_FUNCTION(fgetc)
{
        zval *res;
        char buf[2];
        int result;
        php_stream *stream;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &res) == FAILURE) {
                RETURN_FALSE;
        }

        PHP_STREAM_TO_ZVAL(stream, &res);

        result = php_stream_getc(stream);

        if (result == EOF) {
                RETVAL_FALSE;
        } else {
                buf[0] = result;
                buf[1] = '\0';

                RETURN_STRINGL(buf, 1, 1);
        }
}
/* }}} */

/* {{{ proto string fgetss(resource fp [, int length [, string allowable_tags]])
   Get a line from file pointer and strip HTML tags */
PHPAPI PHP_FUNCTION(fgetss)
{
        zval *fd;
        long bytes = 0;
        size_t len = 0;
        size_t actual_len, retval_len;
        char *buf = NULL, *retval;
        php_stream *stream;
        char *allowed_tags=NULL;
        int allowed_tags_len=0;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|ls", &fd, &bytes, &allowed_tags, &allowed_tags_len) == FAILURE) {
                RETURN_FALSE;
        }

        PHP_STREAM_TO_ZVAL(stream, &fd);

        if (ZEND_NUM_ARGS() >= 2) {
                if (bytes <= 0) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0");
                        RETURN_FALSE;
                }

                len = (size_t) bytes;
                buf = safe_emalloc(sizeof(char), (len + 1), 0);
                /*needed because recv doesnt set null char at end*/
                memset(buf, 0, len + 1);
        }

        if ((retval = php_stream_get_line(stream, buf, len, &actual_len)) == NULL)      {
                if (buf != NULL) {
                        efree(buf);
                }
                RETURN_FALSE;
        }

        retval_len = php_strip_tags(retval, actual_len, &stream->fgetss_state, allowed_tags, allowed_tags_len);

        RETURN_STRINGL(retval, retval_len, 0);
}
/* }}} */

/* {{{ proto mixed fscanf(resource stream, string format [, string ...])
   Implements a mostly ANSI compatible fscanf() */
PHP_FUNCTION(fscanf)
{
        int result, format_len, type, argc = 0;
        zval ***args = NULL;
        zval *file_handle;
        char *buf, *format;
        size_t len;
        void *what;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs*", &file_handle, &format, &format_len, &args, &argc) == FAILURE) {
                return;
        }

        what = zend_fetch_resource(&file_handle TSRMLS_CC, -1, "File-Handle", &type, 2, php_file_le_stream(), php_file_le_pstream());

        /* we can't do a ZEND_VERIFY_RESOURCE(what), otherwise we end up
         * with a leak if we have an invalid filehandle. This needs changing
         * if the code behind ZEND_VERIFY_RESOURCE changed. - cc */
        if (!what) {
                if (args) {
                        efree(args);
                }
                RETURN_FALSE;
        }

        buf = php_stream_get_line((php_stream *) what, NULL, 0, &len);
        if (buf == NULL) {
                if (args) {
                        efree(args);
                }
                RETURN_FALSE;
        }

        result = php_sscanf_internal(buf, format, argc, args, 0, &return_value TSRMLS_CC);

        if (args) {
                efree(args);
        }
        efree(buf);

        if (SCAN_ERROR_WRONG_PARAM_COUNT == result) {
                WRONG_PARAM_COUNT;
        }
}
/* }}} */

/* {{{ proto int fwrite(resource fp, string str [, int length])
   Binary-safe file write */
PHPAPI PHP_FUNCTION(fwrite)
{
        zval *res;
        char *input;
        int inputlen;
        int ret;
        int num_bytes;
        long maxlen = 0;
        php_stream *stream;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs|l", &res, &input, &inputlen, &maxlen) == FAILURE) {
                RETURN_FALSE;
        }

        if (ZEND_NUM_ARGS() == 2) {
                num_bytes = inputlen;
        } else {
                num_bytes = MAX(0, MIN((int) maxlen, inputlen));
        }

        if (!num_bytes) {
                RETURN_LONG(0);
        }

        PHP_STREAM_TO_ZVAL(stream, &res);

        ret = php_stream_write(stream, input, num_bytes);

        RETURN_LONG(ret);
}
/* }}} */

/* {{{ proto bool fflush(resource fp)
   Flushes output */
PHPAPI PHP_FUNCTION(fflush)
{
        zval *res;
        int ret;
        php_stream *stream;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &res) == FAILURE) {
                RETURN_FALSE;
        }

        PHP_STREAM_TO_ZVAL(stream, &res);

        ret = php_stream_flush(stream);
        if (ret) {
                RETURN_FALSE;
        }
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto bool rewind(resource fp)
   Rewind the position of a file pointer */
PHPAPI PHP_FUNCTION(rewind)
{
        zval *res;
        php_stream *stream;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &res) == FAILURE) {
                RETURN_FALSE;
        }

        PHP_STREAM_TO_ZVAL(stream, &res);

        if (-1 == php_stream_rewind(stream)) {
                RETURN_FALSE;
        }
        RETURN_TRUE;
}
/* }}} */

/* {{{ proto int ftell(resource fp)
   Get file pointer's read/write position */
PHPAPI PHP_FUNCTION(ftell)
{
        zval *res;
        long ret;
        php_stream *stream;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &res) == FAILURE) {
                RETURN_FALSE;
        }

        PHP_STREAM_TO_ZVAL(stream, &res);

        ret = php_stream_tell(stream);
        if (ret == -1)  {
                RETURN_FALSE;
        }
        RETURN_LONG(ret);
}
/* }}} */

/* {{{ proto int fseek(resource fp, int offset [, int whence])
   Seek on a file pointer */
PHPAPI PHP_FUNCTION(fseek)
{
        zval *res;
        long offset, whence = SEEK_SET;
        php_stream *stream;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl|l", &res, &offset, &whence) == FAILURE) {
                RETURN_FALSE;
        }

        PHP_STREAM_TO_ZVAL(stream, &res);

        RETURN_LONG(php_stream_seek(stream, offset, whence));
}
/* }}} */

/* {{{ php_mkdir
*/

/* DEPRECATED APIs: Use php_stream_mkdir() instead */
PHPAPI int php_mkdir_ex(const char *dir, long mode, int options TSRMLS_DC)
{
        int ret;

        if (php_check_open_basedir(dir TSRMLS_CC)) {
                return -1;
        }

        if ((ret = VCWD_MKDIR(dir, (mode_t)mode)) < 0 && (options & REPORT_ERRORS)) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", strerror(errno));
        }

        return ret;
}

PHPAPI int php_mkdir(const char *dir, long mode TSRMLS_DC)
{
        return php_mkdir_ex(dir, mode, REPORT_ERRORS TSRMLS_CC);
}
/* }}} */

/* {{{ proto bool mkdir(string pathname [, int mode [, bool recursive [, resource context]]])
   Create a directory */
PHP_FUNCTION(mkdir)
{
        char *dir;
        int dir_len;
        zval *zcontext = NULL;
        long mode = 0777;
        zend_bool recursive = 0;
        php_stream_context *context;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|lbr", &dir, &dir_len, &mode, &recursive, &zcontext) == FAILURE) {
                RETURN_FALSE;
        }

        context = php_stream_context_from_zval(zcontext, 0);

        RETURN_BOOL(php_stream_mkdir(dir, mode, (recursive ? PHP_STREAM_MKDIR_RECURSIVE : 0) | REPORT_ERRORS, context));
}
/* }}} */

/* {{{ proto bool rmdir(string dirname[, resource context])
   Remove a directory */
PHP_FUNCTION(rmdir)
{
        char *dir;
        int dir_len;
        zval *zcontext = NULL;
        php_stream_context *context;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|r", &dir, &dir_len, &zcontext) == FAILURE) {
                RETURN_FALSE;
        }

        context = php_stream_context_from_zval(zcontext, 0);

        RETURN_BOOL(php_stream_rmdir(dir, REPORT_ERRORS, context));
}
/* }}} */

/* {{{ proto int readfile(string filename [, bool use_include_path[, resource context]])
   Output a file or a URL */
PHP_FUNCTION(readfile)
{
        char *filename;
        int filename_len;
        int size = 0;
        zend_bool use_include_path = 0;
        zval *zcontext = NULL;
        php_stream *stream;
        php_stream_context *context = NULL;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|br!", &filename, &filename_len, &use_include_path, &zcontext) == FAILURE) {
                RETURN_FALSE;
        }

        context = php_stream_context_from_zval(zcontext, 0);

        stream = php_stream_open_wrapper_ex(filename, "rb", (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
        if (stream) {
                size = php_stream_passthru(stream);
                php_stream_close(stream);
                RETURN_LONG(size);
        }

        RETURN_FALSE;
}
/* }}} */

/* {{{ proto int umask([int mask])
   Return or change the umask */
PHP_FUNCTION(umask)
{
        long mask = 0;
        int oldumask;

        oldumask = umask(077);

        if (BG(umask) == -1) {
                BG(umask) = oldumask;
        }

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &mask) == FAILURE) {
                RETURN_FALSE;
        }

        if (ZEND_NUM_ARGS() == 0) {
                umask(oldumask);
        } else {
                umask(mask);
        }

        RETURN_LONG(oldumask);
}
/* }}} */

/* {{{ proto int fpassthru(resource fp)
   Output all remaining data from a file pointer */
PHPAPI PHP_FUNCTION(fpassthru)
{
        zval *res;
        int size;
        php_stream *stream;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &res) == FAILURE) {
                RETURN_FALSE;
        }

        PHP_STREAM_TO_ZVAL(stream, &res);

        size = php_stream_passthru(stream);
        RETURN_LONG(size);
}
/* }}} */

/* {{{ proto bool rename(string old_name, string new_name[, resource context])
   Rename a file */
PHP_FUNCTION(rename)
{
        char *old_name, *new_name;
        int old_name_len, new_name_len;
        zval *zcontext = NULL;
        php_stream_wrapper *wrapper;
        php_stream_context *context;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "pp|r", &old_name, &old_name_len, &new_name, &new_name_len, &zcontext) == FAILURE) {
                RETURN_FALSE;
        }

        wrapper = php_stream_locate_url_wrapper(old_name, NULL, 0 TSRMLS_CC);

        if (!wrapper || !wrapper->wops) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to locate stream wrapper");
                RETURN_FALSE;
        }

        if (!wrapper->wops->rename) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s wrapper does not support renaming", wrapper->wops->label ? wrapper->wops->label : "Source");
                RETURN_FALSE;
        }

        if (wrapper != php_stream_locate_url_wrapper(new_name, NULL, 0 TSRMLS_CC)) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot rename a file across wrapper types");
                RETURN_FALSE;
        }

        context = php_stream_context_from_zval(zcontext, 0);

        RETURN_BOOL(wrapper->wops->rename(wrapper, old_name, new_name, 0, context TSRMLS_CC));
}
/* }}} */

/* {{{ proto bool unlink(string filename[, context context])
   Delete a file */
PHP_FUNCTION(unlink)
{
        char *filename;
        int filename_len;
        php_stream_wrapper *wrapper;
        zval *zcontext = NULL;
        php_stream_context *context = NULL;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|r", &filename, &filename_len, &zcontext) == FAILURE) {
                RETURN_FALSE;
        }

        context = php_stream_context_from_zval(zcontext, 0);

        wrapper = php_stream_locate_url_wrapper(filename, NULL, 0 TSRMLS_CC);

        if (!wrapper || !wrapper->wops) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to locate stream wrapper");
                RETURN_FALSE;
        }

        if (!wrapper->wops->unlink) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s does not allow unlinking", wrapper->wops->label ? wrapper->wops->label : "Wrapper");
                RETURN_FALSE;
        }
        RETURN_BOOL(wrapper->wops->unlink(wrapper, filename, REPORT_ERRORS, context TSRMLS_CC));
}
/* }}} */

/* {{{ proto bool ftruncate(resource fp, int size)
   Truncate file to 'size' length */
PHP_NAMED_FUNCTION(php_if_ftruncate)
{
        zval *fp;
        long size;
        php_stream *stream;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &fp, &size) == FAILURE) {
                RETURN_FALSE;
        }

        PHP_STREAM_TO_ZVAL(stream, &fp);

        if (!php_stream_truncate_supported(stream)) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Can't truncate this stream!");
                RETURN_FALSE;
        }

        RETURN_BOOL(0 == php_stream_truncate_set_size(stream, size));
}
/* }}} */

/* {{{ proto array fstat(resource fp)
   Stat() on a filehandle */
PHP_NAMED_FUNCTION(php_if_fstat)
{
        zval *fp;
        zval *stat_dev, *stat_ino, *stat_mode, *stat_nlink, *stat_uid, *stat_gid, *stat_rdev,
                 *stat_size, *stat_atime, *stat_mtime, *stat_ctime, *stat_blksize, *stat_blocks;
        php_stream *stream;
        php_stream_statbuf stat_ssb;
        char *stat_sb_names[13] = {
                "dev", "ino", "mode", "nlink", "uid", "gid", "rdev",
                "size", "atime", "mtime", "ctime", "blksize", "blocks"
        };

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &fp) == FAILURE) {
                RETURN_FALSE;
        }

        PHP_STREAM_TO_ZVAL(stream, &fp);

        if (php_stream_stat(stream, &stat_ssb)) {
                RETURN_FALSE;
        }

        array_init(return_value);

        MAKE_LONG_ZVAL_INCREF(stat_dev, stat_ssb.sb.st_dev);
        MAKE_LONG_ZVAL_INCREF(stat_ino, stat_ssb.sb.st_ino);
        MAKE_LONG_ZVAL_INCREF(stat_mode, stat_ssb.sb.st_mode);
        MAKE_LONG_ZVAL_INCREF(stat_nlink, stat_ssb.sb.st_nlink);
        MAKE_LONG_ZVAL_INCREF(stat_uid, stat_ssb.sb.st_uid);
        MAKE_LONG_ZVAL_INCREF(stat_gid, stat_ssb.sb.st_gid);
#ifdef HAVE_ST_RDEV
        MAKE_LONG_ZVAL_INCREF(stat_rdev, stat_ssb.sb.st_rdev);
#else
        MAKE_LONG_ZVAL_INCREF(stat_rdev, -1);
#endif
        MAKE_LONG_ZVAL_INCREF(stat_size, stat_ssb.sb.st_size);
        MAKE_LONG_ZVAL_INCREF(stat_atime, stat_ssb.sb.st_atime);
        MAKE_LONG_ZVAL_INCREF(stat_mtime, stat_ssb.sb.st_mtime);
        MAKE_LONG_ZVAL_INCREF(stat_ctime, stat_ssb.sb.st_ctime);
#ifdef HAVE_ST_BLKSIZE
        MAKE_LONG_ZVAL_INCREF(stat_blksize, stat_ssb.sb.st_blksize);
#else
        MAKE_LONG_ZVAL_INCREF(stat_blksize,-1);
#endif
#ifdef HAVE_ST_BLOCKS
        MAKE_LONG_ZVAL_INCREF(stat_blocks, stat_ssb.sb.st_blocks);
#else
        MAKE_LONG_ZVAL_INCREF(stat_blocks,-1);
#endif
        /* Store numeric indexes in propper order */
        zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_dev, sizeof(zval *), NULL);
        zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_ino, sizeof(zval *), NULL);
        zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_mode, sizeof(zval *), NULL);
        zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_nlink, sizeof(zval *), NULL);
        zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_uid, sizeof(zval *), NULL);
        zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_gid, sizeof(zval *), NULL);
        zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_rdev, sizeof(zval *), NULL);
        zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_size, sizeof(zval *), NULL);
        zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_atime, sizeof(zval *), NULL);
        zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_mtime, sizeof(zval *), NULL);
        zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_ctime, sizeof(zval *), NULL);
        zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_blksize, sizeof(zval *), NULL);
        zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_blocks, sizeof(zval *), NULL);

        /* Store string indexes referencing the same zval*/
        zend_hash_update(HASH_OF(return_value), stat_sb_names[0], strlen(stat_sb_names[0])+1, (void *)&stat_dev, sizeof(zval *), NULL);
        zend_hash_update(HASH_OF(return_value), stat_sb_names[1], strlen(stat_sb_names[1])+1, (void *)&stat_ino, sizeof(zval *), NULL);
        zend_hash_update(HASH_OF(return_value), stat_sb_names[2], strlen(stat_sb_names[2])+1, (void *)&stat_mode, sizeof(zval *), NULL);
        zend_hash_update(HASH_OF(return_value), stat_sb_names[3], strlen(stat_sb_names[3])+1, (void *)&stat_nlink, sizeof(zval *), NULL);
        zend_hash_update(HASH_OF(return_value), stat_sb_names[4], strlen(stat_sb_names[4])+1, (void *)&stat_uid, sizeof(zval *), NULL);
        zend_hash_update(HASH_OF(return_value), stat_sb_names[5], strlen(stat_sb_names[5])+1, (void *)&stat_gid, sizeof(zval *), NULL);
        zend_hash_update(HASH_OF(return_value), stat_sb_names[6], strlen(stat_sb_names[6])+1, (void *)&stat_rdev, sizeof(zval *), NULL);
        zend_hash_update(HASH_OF(return_value), stat_sb_names[7], strlen(stat_sb_names[7])+1, (void *)&stat_size, sizeof(zval *), NULL);
        zend_hash_update(HASH_OF(return_value), stat_sb_names[8], strlen(stat_sb_names[8])+1, (void *)&stat_atime, sizeof(zval *), NULL);
        zend_hash_update(HASH_OF(return_value), stat_sb_names[9], strlen(stat_sb_names[9])+1, (void *)&stat_mtime, sizeof(zval *), NULL);
        zend_hash_update(HASH_OF(return_value), stat_sb_names[10], strlen(stat_sb_names[10])+1, (void *)&stat_ctime, sizeof(zval *), NULL);
        zend_hash_update(HASH_OF(return_value), stat_sb_names[11], strlen(stat_sb_names[11])+1, (void *)&stat_blksize, sizeof(zval *), NULL);
        zend_hash_update(HASH_OF(return_value), stat_sb_names[12], strlen(stat_sb_names[12])+1, (void *)&stat_blocks, sizeof(zval *), NULL);
}
/* }}} */

/* {{{ proto bool copy(string source_file, string destination_file [, resource context])
   Copy a file */
PHP_FUNCTION(copy)
{
        char *source, *target;
        int source_len, target_len;
        zval *zcontext = NULL;
        php_stream_context *context;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "pp|r", &source, &source_len, &target, &target_len, &zcontext) == FAILURE) {
                return;
        }

        if (php_check_open_basedir(source TSRMLS_CC)) {
                RETURN_FALSE;
        }

        context = php_stream_context_from_zval(zcontext, 0);

        if (php_copy_file_ctx(source, target, 0, context TSRMLS_CC) == SUCCESS) {
                RETURN_TRUE;
        } else {
                RETURN_FALSE;
        }
}
/* }}} */

/* {{{ php_copy_file
 */
PHPAPI int php_copy_file(const char *src, const char *dest TSRMLS_DC)
{
        return php_copy_file_ctx(src, dest, 0, NULL TSRMLS_CC);
}
/* }}} */

/* {{{ php_copy_file_ex
 */
PHPAPI int php_copy_file_ex(const char *src, const char *dest, int src_flg TSRMLS_DC)
{
        return php_copy_file_ctx(src, dest, 0, NULL TSRMLS_CC);
}
/* }}} */

/* {{{ php_copy_file_ctx
 */
PHPAPI int php_copy_file_ctx(const char *src, const char *dest, int src_flg, php_stream_context *ctx TSRMLS_DC)
{
        php_stream *srcstream = NULL, *deststream = NULL;
        int ret = FAILURE;
        php_stream_statbuf src_s, dest_s;

        switch (php_stream_stat_path_ex(src, 0, &src_s, ctx)) {
                case -1:
                        /* non-statable stream */
                        goto safe_to_copy;
                        break;
                case 0:
                        break;
                default: /* failed to stat file, does not exist? */
                        return ret;
        }
        if (S_ISDIR(src_s.sb.st_mode)) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "The first argument to copy() function cannot be a directory");
                return FAILURE;
        }

        switch (php_stream_stat_path_ex(dest, PHP_STREAM_URL_STAT_QUIET | PHP_STREAM_URL_STAT_NOCACHE, &dest_s, ctx)) {
                case -1:
                        /* non-statable stream */
                        goto safe_to_copy;
                        break;
                case 0:
                        break;
                default: /* failed to stat file, does not exist? */
                        return ret;
        }
        if (S_ISDIR(dest_s.sb.st_mode)) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "The second argument to copy() function cannot be a directory");
                return FAILURE;
        }
        if (!src_s.sb.st_ino || !dest_s.sb.st_ino) {
                goto no_stat;
        }
        if (src_s.sb.st_ino == dest_s.sb.st_ino && src_s.sb.st_dev == dest_s.sb.st_dev) {
                return ret;
        } else {
                goto safe_to_copy;
        }
no_stat:
        {
                char *sp, *dp;
                int res;

                if ((sp = expand_filepath(src, NULL TSRMLS_CC)) == NULL) {
                        return ret;
                }
                if ((dp = expand_filepath(dest, NULL TSRMLS_CC)) == NULL) {
                        efree(sp);
                        goto safe_to_copy;
                }

                res =
#ifndef PHP_WIN32
                        !strcmp(sp, dp);
#else
                        !strcasecmp(sp, dp);
#endif

                efree(sp);
                efree(dp);
                if (res) {
                        return ret;
                }
        }
safe_to_copy:

        srcstream = php_stream_open_wrapper_ex(src, "rb", src_flg | REPORT_ERRORS, NULL, ctx);

        if (!srcstream) {
                return ret;
        }

        deststream = php_stream_open_wrapper_ex(dest, "wb", REPORT_ERRORS, NULL, ctx);

        if (srcstream && deststream) {
                ret = php_stream_copy_to_stream_ex(srcstream, deststream, PHP_STREAM_COPY_ALL, NULL);
        }
        if (srcstream) {
                php_stream_close(srcstream);
        }
        if (deststream) {
                php_stream_close(deststream);
        }
        return ret;
}
/* }}} */

/* {{{ proto string fread(resource fp, int length)
   Binary-safe file read */
PHPAPI PHP_FUNCTION(fread)
{
        zval *res;
        long len;
        php_stream *stream;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &res, &len) == FAILURE) {
                RETURN_FALSE;
        }

        PHP_STREAM_TO_ZVAL(stream, &res);

        if (len <= 0) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0");
                RETURN_FALSE;
        }

        Z_STRVAL_P(return_value) = emalloc(len + 1);
        Z_STRLEN_P(return_value) = php_stream_read(stream, Z_STRVAL_P(return_value), len);

        /* needed because recv/read/gzread doesnt put a null at the end*/
        Z_STRVAL_P(return_value)[Z_STRLEN_P(return_value)] = 0;
        Z_TYPE_P(return_value) = IS_STRING;
}
/* }}} */

static const char *php_fgetcsv_lookup_trailing_spaces(const char *ptr, size_t len, const char delimiter TSRMLS_DC) /* {{{ */
{
        int inc_len;
        unsigned char last_chars[2] = { 0, 0 };

        while (len > 0) {
                inc_len = (*ptr == '\0' ? 1: php_mblen(ptr, len));
                switch (inc_len) {
                        case -2:
                        case -1:
                                inc_len = 1;
                                php_ignore_value(php_mblen(NULL, 0));
                                break;
                        case 0:
                                goto quit_loop;
                        case 1:
                        default:
                                last_chars[0] = last_chars[1];
                                last_chars[1] = *ptr;
                                break;
                }
                ptr += inc_len;
                len -= inc_len;
        }
quit_loop:
        switch (last_chars[1]) {
                case '\n':
                        if (last_chars[0] == '\r') {
                                return ptr - 2;
                        }
                        /* break is omitted intentionally */
                case '\r':
                        return ptr - 1;
        }
        return ptr;
}
/* }}} */

#define FPUTCSV_FLD_CHK(c) memchr(Z_STRVAL(field), c, Z_STRLEN(field))

/* {{{ proto int fputcsv(resource fp, array fields [, string delimiter [, string enclosure [, string escape_char]]])
   Format line as CSV and write to file pointer */
PHP_FUNCTION(fputcsv)
{
        char delimiter = ',';    /* allow this to be set as parameter */
        char enclosure = '"';    /* allow this to be set as parameter */
        char escape_char = '\\'; /* allow this to be set as parameter */
        php_stream *stream;
        zval *fp = NULL, *fields = NULL;
        int ret;
        char *delimiter_str = NULL, *enclosure_str = NULL, *escape_str = NULL;
        int delimiter_str_len = 0, enclosure_str_len = 0, escape_str_len = 0;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ra|sss",
                        &fp, &fields, &delimiter_str, &delimiter_str_len,
                        &enclosure_str, &enclosure_str_len,
                        &escape_str, &escape_str_len) == FAILURE) {
                return;
        }

        if (delimiter_str != NULL) {
                /* Make sure that there is at least one character in string */
                if (delimiter_str_len < 1) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "delimiter must be a character");
                        RETURN_FALSE;
                } else if (delimiter_str_len > 1) {
                        php_error_docref(NULL TSRMLS_CC, E_NOTICE, "delimiter must be a single character");
                }

                /* use first character from string */
                delimiter = *delimiter_str;
        }

        if (enclosure_str != NULL) {
                if (enclosure_str_len < 1) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "enclosure must be a character");
                        RETURN_FALSE;
                } else if (enclosure_str_len > 1) {
                        php_error_docref(NULL TSRMLS_CC, E_NOTICE, "enclosure must be a single character");
                }
                /* use first character from string */
                enclosure = *enclosure_str;
        }

        if (escape_str != NULL) {
                if (escape_str_len < 1) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "escape must be a character");
                        RETURN_FALSE;
                } else if (escape_str_len > 1) {
                        php_error_docref(NULL TSRMLS_CC, E_NOTICE, "escape must be a single character");
                }
                /* use first character from string */
                escape_char = *escape_str;
        }

        PHP_STREAM_TO_ZVAL(stream, &fp);

        ret = php_fputcsv(stream, fields, delimiter, enclosure, escape_char TSRMLS_CC);
        RETURN_LONG(ret);
}
/* }}} */

/* {{{ PHPAPI int php_fputcsv(php_stream *stream, zval *fields, char delimiter, char enclosure, char escape_char TSRMLS_DC) */
PHPAPI int php_fputcsv(php_stream *stream, zval *fields, char delimiter, char enclosure, char escape_char TSRMLS_DC)
{
        int count, i = 0, ret;
        zval **field_tmp = NULL, field;
        smart_str csvline = {0};
        HashPosition pos;

        count = zend_hash_num_elements(Z_ARRVAL_P(fields));
        zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(fields), &pos);
        while (zend_hash_get_current_data_ex(Z_ARRVAL_P(fields), (void **) &field_tmp, &pos) == SUCCESS) {
                field = **field_tmp;

                if (Z_TYPE_PP(field_tmp) != IS_STRING) {
                        zval_copy_ctor(&field);
                        convert_to_string(&field);
                }

                /* enclose a field that contains a delimiter, an enclosure character, or a newline */
                if (FPUTCSV_FLD_CHK(delimiter) ||
                        FPUTCSV_FLD_CHK(enclosure) ||
                        FPUTCSV_FLD_CHK(escape_char) ||
                        FPUTCSV_FLD_CHK('\n') ||
                        FPUTCSV_FLD_CHK('\r') ||
                        FPUTCSV_FLD_CHK('\t') ||
                        FPUTCSV_FLD_CHK(' ')
                ) {
                        char *ch = Z_STRVAL(field);
                        char *end = ch + Z_STRLEN(field);
                        int escaped = 0;

                        smart_str_appendc(&csvline, enclosure);
                        while (ch < end) {
                                if (*ch == escape_char) {
                                        escaped = 1;
                                } else if (!escaped && *ch == enclosure) {
                                        smart_str_appendc(&csvline, enclosure);
                                } else {
                                        escaped = 0;
                                }
                                smart_str_appendc(&csvline, *ch);
                                ch++;
                        }
                        smart_str_appendc(&csvline, enclosure);
                } else {
                        smart_str_appendl(&csvline, Z_STRVAL(field), Z_STRLEN(field));
                }

                if (++i != count) {
                        smart_str_appendl(&csvline, &delimiter, 1);
                }
                zend_hash_move_forward_ex(Z_ARRVAL_P(fields), &pos);

                if (Z_TYPE_PP(field_tmp) != IS_STRING) {
                        zval_dtor(&field);
                }
        }

        smart_str_appendc(&csvline, '\n');
        smart_str_0(&csvline);

        ret = php_stream_write(stream, csvline.c, csvline.len);

        smart_str_free(&csvline);

        return ret;
}
/* }}} */

/* {{{ proto array fgetcsv(resource fp [,int length [, string delimiter [, string enclosure [, string escape]]]])
   Get line from file pointer and parse for CSV fields */
PHP_FUNCTION(fgetcsv)
{
        char delimiter = ',';   /* allow this to be set as parameter */
        char enclosure = '"';   /* allow this to be set as parameter */
        char escape = '\\';

        /* first section exactly as php_fgetss */

        long len = 0;
        size_t buf_len;
        char *buf;
        php_stream *stream;

        {
                zval *fd, **len_zv = NULL;
                char *delimiter_str = NULL;
                int delimiter_str_len = 0;
                char *enclosure_str = NULL;
                int enclosure_str_len = 0;
                char *escape_str = NULL;
                int escape_str_len = 0;

                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|Zsss",
                        &fd, &len_zv, &delimiter_str, &delimiter_str_len,
                        &enclosure_str, &enclosure_str_len,
                        &escape_str, &escape_str_len) == FAILURE
                ) {
                        return;
                }

                if (delimiter_str != NULL) {
                        /* Make sure that there is at least one character in string */
                        if (delimiter_str_len < 1) {
                                php_error_docref(NULL TSRMLS_CC, E_WARNING, "delimiter must be a character");
                                RETURN_FALSE;
                        } else if (delimiter_str_len > 1) {
                                php_error_docref(NULL TSRMLS_CC, E_NOTICE, "delimiter must be a single character");
                        }

                        /* use first character from string */
                        delimiter = delimiter_str[0];
                }

                if (enclosure_str != NULL) {
                        if (enclosure_str_len < 1) {
                                php_error_docref(NULL TSRMLS_CC, E_WARNING, "enclosure must be a character");
                                RETURN_FALSE;
                        } else if (enclosure_str_len > 1) {
                                php_error_docref(NULL TSRMLS_CC, E_NOTICE, "enclosure must be a single character");
                        }

                        /* use first character from string */
                        enclosure = enclosure_str[0];
                }

                if (escape_str != NULL) {
                        if (escape_str_len < 1) {
                                php_error_docref(NULL TSRMLS_CC, E_WARNING, "escape must be character");
                                RETURN_FALSE;
                        } else if (escape_str_len > 1) {
                                php_error_docref(NULL TSRMLS_CC, E_NOTICE, "escape must be a single character");
                        }

                        escape = escape_str[0];
                }

                if (len_zv != NULL && Z_TYPE_PP(len_zv) != IS_NULL) {
                        convert_to_long_ex(len_zv);
                        len = Z_LVAL_PP(len_zv);
                        if (len < 0) {
                                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter may not be negative");
                                RETURN_FALSE;
                        } else if (len == 0) {
                                len = -1;
                        }
                } else {
                        len = -1;
                }

                PHP_STREAM_TO_ZVAL(stream, &fd);
        }

        if (len < 0) {
                if ((buf = php_stream_get_line(stream, NULL, 0, &buf_len)) == NULL) {
                        RETURN_FALSE;
                }
        } else {
                buf = emalloc(len + 1);
                if (php_stream_get_line(stream, buf, len + 1, &buf_len) == NULL) {
                        efree(buf);
                        RETURN_FALSE;
                }
        }

        php_fgetcsv(stream, delimiter, enclosure, escape, buf_len, buf, return_value TSRMLS_CC);
}
/* }}} */

PHPAPI void php_fgetcsv(php_stream *stream, char delimiter, char enclosure, char escape_char, size_t buf_len, char *buf, zval *return_value TSRMLS_DC) /* {{{ */
{
        char *temp, *tptr, *bptr, *line_end, *limit;
        size_t temp_len, line_end_len;
        int inc_len;
        zend_bool first_field = 1;

        /* initialize internal state */
        php_ignore_value(php_mblen(NULL, 0));

        /* Now into new section that parses buf for delimiter/enclosure fields */

        /* Strip trailing space from buf, saving end of line in case required for enclosure field */

        bptr = buf;
        tptr = (char *)php_fgetcsv_lookup_trailing_spaces(buf, buf_len, delimiter TSRMLS_CC);
        line_end_len = buf_len - (size_t)(tptr - buf);
        line_end = limit = tptr;

        /* reserve workspace for building each individual field */
        temp_len = buf_len;
        temp = emalloc(temp_len + line_end_len + 1);

        /* Initialize return array */
        array_init(return_value);

        /* Main loop to read CSV fields */
        /* NB this routine will return a single null entry for a blank line */

        do {
                char *comp_end, *hunk_begin;

                tptr = temp;

                inc_len = (bptr < limit ? (*bptr == '\0' ? 1: php_mblen(bptr, limit - bptr)): 0);
                if (inc_len == 1) {
                        char *tmp = bptr;
                        while ((*tmp != delimiter) && isspace((int)*(unsigned char *)tmp)) {
                                tmp++;
                        }
                        if (*tmp == enclosure) {
                                bptr = tmp;
                        }
                }

                if (first_field && bptr == line_end) {
                        add_next_index_null(return_value);
                        break;
                }
                first_field = 0;
                /* 2. Read field, leaving bptr pointing at start of next field */
                if (inc_len != 0 && *bptr == enclosure) {
                        int state = 0;

                        bptr++; /* move on to first character in field */
                        hunk_begin = bptr;

                        /* 2A. handle enclosure delimited field */
                        for (;;) {
                                switch (inc_len) {
                                        case 0:
                                                switch (state) {
                                                        case 2:
                                                                memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
                                                                tptr += (bptr - hunk_begin - 1);
                                                                hunk_begin = bptr;
                                                                goto quit_loop_2;

                                                        case 1:
                                                                memcpy(tptr, hunk_begin, bptr - hunk_begin);
                                                                tptr += (bptr - hunk_begin);
                                                                hunk_begin = bptr;
                                                                /* break is omitted intentionally */

                                                        case 0: {
                                                                char *new_buf;
                                                                size_t new_len;
                                                                char *new_temp;

                                                                if (hunk_begin != line_end) {
                                                                        memcpy(tptr, hunk_begin, bptr - hunk_begin);
                                                                        tptr += (bptr - hunk_begin);
                                                                        hunk_begin = bptr;
                                                                }

                                                                /* add the embedded line end to the field */
                                                                memcpy(tptr, line_end, line_end_len);
                                                                tptr += line_end_len;

                                                                if (stream == NULL) {
                                                                        goto quit_loop_2;
                                                                } else if ((new_buf = php_stream_get_line(stream, NULL, 0, &new_len)) == NULL) {
                                                                        /* we've got an unterminated enclosure,
                                                                         * assign all the data from the start of
                                                                         * the enclosure to end of data to the
                                                                         * last element */
                                                                        if ((size_t)temp_len > (size_t)(limit - buf)) {
                                                                                goto quit_loop_2;
                                                                        }
                                                                        zval_dtor(return_value);
                                                                        RETVAL_FALSE;
                                                                        goto out;
                                                                }
                                                                temp_len += new_len;
                                                                new_temp = erealloc(temp, temp_len);
                                                                tptr = new_temp + (size_t)(tptr - temp);
                                                                temp = new_temp;

                                                                efree(buf);
                                                                buf_len = new_len;
                                                                bptr = buf = new_buf;
                                                                hunk_begin = buf;

                                                                line_end = limit = (char *)php_fgetcsv_lookup_trailing_spaces(buf, buf_len, delimiter TSRMLS_CC);
                                                                line_end_len = buf_len - (size_t)(limit - buf);

                                                                state = 0;
                                                        } break;
                                                }
                                                break;

                                        case -2:
                                        case -1:
                                                php_ignore_value(php_mblen(NULL, 0));
                                                /* break is omitted intentionally */
                                        case 1:
                                                /* we need to determine if the enclosure is
                                                 * 'real' or is it escaped */
                                                switch (state) {
                                                        case 1: /* escaped */
                                                                bptr++;
                                                                state = 0;
                                                                break;
                                                        case 2: /* embedded enclosure ? let's check it */
                                                                if (*bptr != enclosure) {
                                                                        /* real enclosure */
                                                                        memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
                                                                        tptr += (bptr - hunk_begin - 1);
                                                                        hunk_begin = bptr;
                                                                        goto quit_loop_2;
                                                                }
                                                                memcpy(tptr, hunk_begin, bptr - hunk_begin);
                                                                tptr += (bptr - hunk_begin);
                                                                bptr++;
                                                                hunk_begin = bptr;
                                                                state = 0;
                                                                break;
                                                        default:
                                                                if (*bptr == enclosure) {
                                                                        state = 2;
                                                                } else if (*bptr == escape_char) {
                                                                        state = 1;
                                                                }
                                                                bptr++;
                                                                break;
                                                }
                                                break;

                                        default:
                                                switch (state) {
                                                        case 2:
                                                                /* real enclosure */
                                                                memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
                                                                tptr += (bptr - hunk_begin - 1);
                                                                hunk_begin = bptr;
                                                                goto quit_loop_2;
                                                        case 1:
                                                                bptr += inc_len;
                                                                memcpy(tptr, hunk_begin, bptr - hunk_begin);
                                                                tptr += (bptr - hunk_begin);
                                                                hunk_begin = bptr;
                                                                break;
                                                        default:
                                                                bptr += inc_len;
                                                                break;
                                                }
                                                break;
                                }
                                inc_len = (bptr < limit ? (*bptr == '\0' ? 1: php_mblen(bptr, limit - bptr)): 0);
                        }

                quit_loop_2:
                        /* look up for a delimiter */
                        for (;;) {
                                switch (inc_len) {
                                        case 0:
                                                goto quit_loop_3;

                                        case -2:
                                        case -1:
                                                inc_len = 1;
                                                php_ignore_value(php_mblen(NULL, 0));
                                                /* break is omitted intentionally */
                                        case 1:
                                                if (*bptr == delimiter) {
                                                        goto quit_loop_3;
                                                }
                                                break;
                                        default:
                                                break;
                                }
                                bptr += inc_len;
                                inc_len = (bptr < limit ? (*bptr == '\0' ? 1: php_mblen(bptr, limit - bptr)): 0);
                        }

                quit_loop_3:
                        memcpy(tptr, hunk_begin, bptr - hunk_begin);
                        tptr += (bptr - hunk_begin);
                        bptr += inc_len;
                        comp_end = tptr;
                } else {
                        /* 2B. Handle non-enclosure field */

                        hunk_begin = bptr;

                        for (;;) {
                                switch (inc_len) {
                                        case 0:
                                                goto quit_loop_4;
                                        case -2:
                                        case -1:
                                                inc_len = 1;
                                                php_ignore_value(php_mblen(NULL, 0));
                                                /* break is omitted intentionally */
                                        case 1:
                                                if (*bptr == delimiter) {
                                                        goto quit_loop_4;
                                                }
                                                break;
                                        default:
                                                break;
                                }
                                bptr += inc_len;
                                inc_len = (bptr < limit ? (*bptr == '\0' ? 1: php_mblen(bptr, limit - bptr)): 0);
                        }
                quit_loop_4:
                        memcpy(tptr, hunk_begin, bptr - hunk_begin);
                        tptr += (bptr - hunk_begin);

                        comp_end = (char *)php_fgetcsv_lookup_trailing_spaces(temp, tptr - temp, delimiter TSRMLS_CC);
                        if (*bptr == delimiter) {
                                bptr++;
                        }
                }

                /* 3. Now pass our field back to php */
                *comp_end = '\0';
                add_next_index_stringl(return_value, temp, comp_end - temp, 1);
        } while (inc_len > 0);

out:
        efree(temp);
        if (stream) {
                efree(buf);
        }
}
/* }}} */

#if (!defined(__BEOS__) && !defined(NETWARE) && HAVE_REALPATH) || defined(ZTS)
/* {{{ proto string realpath(string path)
   Return the resolved path */
PHP_FUNCTION(realpath)
{
        char *filename;
        int filename_len;
        char resolved_path_buff[MAXPATHLEN];

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p", &filename, &filename_len) == FAILURE) {
                return;
        }

        if (VCWD_REALPATH(filename, resolved_path_buff)) {
                if (php_check_open_basedir(resolved_path_buff TSRMLS_CC)) {
                        RETURN_FALSE;
                }

#ifdef ZTS
                if (VCWD_ACCESS(resolved_path_buff, F_OK)) {
                        RETURN_FALSE;
                }
#endif
                RETURN_STRING(resolved_path_buff, 1);
        } else {
                RETURN_FALSE;
        }
}
/* }}} */
#endif

/* See http://www.w3.org/TR/html4/intro/sgmltut.html#h-3.2.2 */
#define PHP_META_HTML401_CHARS "-_.:"

/* {{{ php_next_meta_token
   Tokenizes an HTML file for get_meta_tags */
php_meta_tags_token php_next_meta_token(php_meta_tags_data *md TSRMLS_DC)
{
        int ch = 0, compliment;
        char buff[META_DEF_BUFSIZE + 1];

        memset((void *)buff, 0, META_DEF_BUFSIZE + 1);

        while (md->ulc || (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)))) {
                if (php_stream_eof(md->stream)) {
                        break;
                }

                if (md->ulc) {
                        ch = md->lc;
                        md->ulc = 0;
                }

                switch (ch) {
                        case '<':
                                return TOK_OPENTAG;
                                break;

                        case '>':
                                return TOK_CLOSETAG;
                                break;

                        case '=':
                                return TOK_EQUAL;
                                break;
                        case '/':
                                return TOK_SLASH;
                                break;

                        case '\'':
                        case '"':
                                compliment = ch;
                                md->token_len = 0;
                                while (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)) && ch != compliment && ch != '<' && ch != '>') {
                                        buff[(md->token_len)++] = ch;

                                        if (md->token_len == META_DEF_BUFSIZE) {
                                                break;
                                        }
                                }

                                if (ch == '<' || ch == '>') {
                                        /* Was just an apostrohpe */
                                        md->ulc = 1;
                                        md->lc = ch;
                                }

                                /* We don't need to alloc unless we are in a meta tag */
                                if (md->in_meta) {
                                        md->token_data = (char *) emalloc(md->token_len + 1);
                                        memcpy(md->token_data, buff, md->token_len+1);
                                }

                                return TOK_STRING;
                                break;

                        case '\n':
                        case '\r':
                        case '\t':
                                break;

                        case ' ':
                                return TOK_SPACE;
                                break;

                        default:
                                if (isalnum(ch)) {
                                        md->token_len = 0;
                                        buff[(md->token_len)++] = ch;
                                        while (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)) && (isalnum(ch) || strchr(PHP_META_HTML401_CHARS, ch))) {
                                                buff[(md->token_len)++] = ch;

                                                if (md->token_len == META_DEF_BUFSIZE) {
                                                        break;
                                                }
                                        }

                                        /* This is ugly, but we have to replace ungetc */
                                        if (!isalpha(ch) && ch != '-') {
                                                md->ulc = 1;
                                                md->lc = ch;
                                        }

                                        md->token_data = (char *) emalloc(md->token_len + 1);
                                        memcpy(md->token_data, buff, md->token_len+1);

                                        return TOK_ID;
                                } else {
                                        return TOK_OTHER;
                                }
                                break;
                }
        }

        return TOK_EOF;
}
/* }}} */

#ifdef HAVE_FNMATCH
/* {{{ proto bool fnmatch(string pattern, string filename [, int flags])
   Match filename against pattern */
PHP_FUNCTION(fnmatch)
{
        char *pattern, *filename;
        int pattern_len, filename_len;
        long flags = 0;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "pp|l", &pattern, &pattern_len, &filename, &filename_len, &flags) == FAILURE) {
                return;
        }

        if (filename_len >= MAXPATHLEN) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Filename exceeds the maximum allowed length of %d characters", MAXPATHLEN);
                RETURN_FALSE;
        }
        if (pattern_len >= MAXPATHLEN) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Pattern exceeds the maximum allowed length of %d characters", MAXPATHLEN);
                RETURN_FALSE;
        }

        RETURN_BOOL( ! fnmatch( pattern, filename, flags ));
}
/* }}} */
#endif

/* {{{ proto string sys_get_temp_dir()
   Returns directory path used for temporary files */
PHP_FUNCTION(sys_get_temp_dir)
{
        if (zend_parse_parameters_none() == FAILURE) {
                return;
        }
        RETURN_STRING((char *)php_get_temporary_directory(TSRMLS_C), 1);
}
/* }}} */

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

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