root/ext/standard/file.c

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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

   1 /*
   2    +----------------------------------------------------------------------+
   3    | PHP Version 7                                                        |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 1997-2016 The PHP Group                                |
   6    +----------------------------------------------------------------------+
   7    | This source file is subject to version 3.01 of the PHP license,      |
   8    | that is bundled with this package in the file LICENSE, and is        |
   9    | available through the world-wide-web at the following url:           |
  10    | http://www.php.net/license/3_01.txt                                  |
  11    | If you did not receive a copy of the PHP license and are unable to   |
  12    | obtain it through the world-wide-web, please send a note to          |
  13    | license@php.net so we can mail you a copy immediately.               |
  14    +----------------------------------------------------------------------+
  15    | Authors: Rasmus Lerdorf <rasmus@php.net>                             |
  16    |          Stig Bakken <ssb@php.net>                                   |
  17    |          Andi Gutmans <andi@zend.com>                                |
  18    |          Zeev Suraski <zeev@zend.com>                                |
  19    | PHP 4.0 patches by Thies C. Arntzen (thies@thieso.net)               |
  20    | PHP streams by Wez Furlong (wez@thebrainroom.com)                    |
  21    +----------------------------------------------------------------------+
  22 */
  23 
  24 /* $Id$ */
  25 
  26 /* Synced with php 3.0 revision 1.218 1999-06-16 [ssb] */
  27 
  28 /* {{{ includes */
  29 
  30 #include "php.h"
  31 #include "php_globals.h"
  32 #include "ext/standard/flock_compat.h"
  33 #include "ext/standard/exec.h"
  34 #include "ext/standard/php_filestat.h"
  35 #include "php_open_temporary_file.h"
  36 #include "ext/standard/basic_functions.h"
  37 #include "php_ini.h"
  38 #include "zend_smart_str.h"
  39 
  40 #include <stdio.h>
  41 #include <stdlib.h>
  42 #include <errno.h>
  43 #include <sys/types.h>
  44 #include <sys/stat.h>
  45 #include <fcntl.h>
  46 
  47 #ifdef PHP_WIN32
  48 # include <io.h>
  49 # define O_RDONLY _O_RDONLY
  50 # include "win32/param.h"
  51 # include "win32/winutil.h"
  52 # include "win32/fnmatch.h"
  53 #else
  54 # if HAVE_SYS_PARAM_H
  55 #  include <sys/param.h>
  56 # endif
  57 # if HAVE_SYS_SELECT_H
  58 #  include <sys/select.h>
  59 # endif
  60 # if defined(NETWARE) && defined(USE_WINSOCK)
  61 #  include <novsock2.h>
  62 # else
  63 #  include <sys/socket.h>
  64 #  include <netinet/in.h>
  65 #  include <netdb.h>
  66 # endif
  67 # if HAVE_ARPA_INET_H
  68 #  include <arpa/inet.h>
  69 # endif
  70 #endif
  71 
  72 #include "ext/standard/head.h"
  73 #include "php_string.h"
  74 #include "file.h"
  75 
  76 #if HAVE_PWD_H
  77 # ifdef PHP_WIN32
  78 #  include "win32/pwd.h"
  79 # else
  80 #  include <pwd.h>
  81 # endif
  82 #endif
  83 
  84 #ifdef HAVE_SYS_TIME_H
  85 # include <sys/time.h>
  86 #endif
  87 
  88 #include "fsock.h"
  89 #include "fopen_wrappers.h"
  90 #include "streamsfuncs.h"
  91 #include "php_globals.h"
  92 
  93 #ifdef HAVE_SYS_FILE_H
  94 # include <sys/file.h>
  95 #endif
  96 
  97 #if MISSING_FCLOSE_DECL
  98 extern int fclose(FILE *);
  99 #endif
 100 
 101 #ifdef HAVE_SYS_MMAN_H
 102 # include <sys/mman.h>
 103 #endif
 104 
 105 #include "scanf.h"
 106 #include "zend_API.h"
 107 
 108 #ifdef ZTS
 109 int file_globals_id;
 110 #else
 111 php_file_globals file_globals;
 112 #endif
 113 
 114 #if defined(HAVE_FNMATCH) && !defined(PHP_WIN32)
 115 # ifndef _GNU_SOURCE
 116 #  define _GNU_SOURCE
 117 # endif
 118 # include <fnmatch.h>
 119 #endif
 120 
 121 #ifdef HAVE_WCHAR_H
 122 # include <wchar.h>
 123 #endif
 124 
 125 /* }}} */
 126 
 127 #define PHP_STREAM_TO_ZVAL(stream, arg) \
 128         ZEND_ASSERT(Z_TYPE_P(arg) == IS_RESOURCE); \
 129         php_stream_from_res(stream, Z_RES_P(arg));
 130 
 131 /* {{{ ZTS-stuff / Globals / Prototypes */
 132 
 133 /* sharing globals is *evil* */
 134 static int le_stream_context = FAILURE;
 135 
 136 PHPAPI int php_le_stream_context(void)
 137 {
 138         return le_stream_context;
 139 }
 140 /* }}} */
 141 
 142 /* {{{ Module-Stuff
 143 */
 144 static ZEND_RSRC_DTOR_FUNC(file_context_dtor)
 145 {
 146         php_stream_context *context = (php_stream_context*)res->ptr;
 147         if (Z_TYPE(context->options) != IS_UNDEF) {
 148                 zval_ptr_dtor(&context->options);
 149                 ZVAL_UNDEF(&context->options);
 150         }
 151         php_stream_context_free(context);
 152 }
 153 
 154 static void file_globals_ctor(php_file_globals *file_globals_p)
 155 {
 156         memset(file_globals_p, 0, sizeof(php_file_globals));
 157         file_globals_p->def_chunk_size = PHP_SOCK_CHUNK_SIZE;
 158 }
 159 
 160 static void file_globals_dtor(php_file_globals *file_globals_p)
 161 {
 162 }
 163 
 164 PHP_INI_BEGIN()
 165         STD_PHP_INI_ENTRY("user_agent", NULL, PHP_INI_ALL, OnUpdateString, user_agent, php_file_globals, file_globals)
 166         STD_PHP_INI_ENTRY("from", NULL, PHP_INI_ALL, OnUpdateString, from_address, php_file_globals, file_globals)
 167         STD_PHP_INI_ENTRY("default_socket_timeout", "60", PHP_INI_ALL, OnUpdateLong, default_socket_timeout, php_file_globals, file_globals)
 168         STD_PHP_INI_ENTRY("auto_detect_line_endings", "0", PHP_INI_ALL, OnUpdateLong, auto_detect_line_endings, php_file_globals, file_globals)
 169 PHP_INI_END()
 170 
 171 PHP_MINIT_FUNCTION(file)
 172 {
 173         le_stream_context = zend_register_list_destructors_ex(file_context_dtor, NULL, "stream-context", module_number);
 174 
 175 #ifdef ZTS
 176         ts_allocate_id(&file_globals_id, sizeof(php_file_globals), (ts_allocate_ctor) file_globals_ctor, (ts_allocate_dtor) file_globals_dtor);
 177 #else
 178         file_globals_ctor(&file_globals);
 179 #endif
 180 
 181         REGISTER_INI_ENTRIES();
 182 
 183         REGISTER_LONG_CONSTANT("SEEK_SET", SEEK_SET, CONST_CS | CONST_PERSISTENT);
 184         REGISTER_LONG_CONSTANT("SEEK_CUR", SEEK_CUR, CONST_CS | CONST_PERSISTENT);
 185         REGISTER_LONG_CONSTANT("SEEK_END", SEEK_END, CONST_CS | CONST_PERSISTENT);
 186         REGISTER_LONG_CONSTANT("LOCK_SH", PHP_LOCK_SH, CONST_CS | CONST_PERSISTENT);
 187         REGISTER_LONG_CONSTANT("LOCK_EX", PHP_LOCK_EX, CONST_CS | CONST_PERSISTENT);
 188         REGISTER_LONG_CONSTANT("LOCK_UN", PHP_LOCK_UN, CONST_CS | CONST_PERSISTENT);
 189         REGISTER_LONG_CONSTANT("LOCK_NB", PHP_LOCK_NB, CONST_CS | CONST_PERSISTENT);
 190 
 191         REGISTER_LONG_CONSTANT("STREAM_NOTIFY_CONNECT",                 PHP_STREAM_NOTIFY_CONNECT,                      CONST_CS | CONST_PERSISTENT);
 192         REGISTER_LONG_CONSTANT("STREAM_NOTIFY_AUTH_REQUIRED",   PHP_STREAM_NOTIFY_AUTH_REQUIRED,        CONST_CS | CONST_PERSISTENT);
 193         REGISTER_LONG_CONSTANT("STREAM_NOTIFY_AUTH_RESULT",             PHP_STREAM_NOTIFY_AUTH_RESULT,          CONST_CS | CONST_PERSISTENT);
 194         REGISTER_LONG_CONSTANT("STREAM_NOTIFY_MIME_TYPE_IS",    PHP_STREAM_NOTIFY_MIME_TYPE_IS,         CONST_CS | CONST_PERSISTENT);
 195         REGISTER_LONG_CONSTANT("STREAM_NOTIFY_FILE_SIZE_IS",    PHP_STREAM_NOTIFY_FILE_SIZE_IS,         CONST_CS | CONST_PERSISTENT);
 196         REGISTER_LONG_CONSTANT("STREAM_NOTIFY_REDIRECTED",              PHP_STREAM_NOTIFY_REDIRECTED,           CONST_CS | CONST_PERSISTENT);
 197         REGISTER_LONG_CONSTANT("STREAM_NOTIFY_PROGRESS",                PHP_STREAM_NOTIFY_PROGRESS,                     CONST_CS | CONST_PERSISTENT);
 198         REGISTER_LONG_CONSTANT("STREAM_NOTIFY_FAILURE",                 PHP_STREAM_NOTIFY_FAILURE,                      CONST_CS | CONST_PERSISTENT);
 199         REGISTER_LONG_CONSTANT("STREAM_NOTIFY_COMPLETED",               PHP_STREAM_NOTIFY_COMPLETED,            CONST_CS | CONST_PERSISTENT);
 200         REGISTER_LONG_CONSTANT("STREAM_NOTIFY_RESOLVE",                 PHP_STREAM_NOTIFY_RESOLVE,                      CONST_CS | CONST_PERSISTENT);
 201 
 202         REGISTER_LONG_CONSTANT("STREAM_NOTIFY_SEVERITY_INFO",   PHP_STREAM_NOTIFY_SEVERITY_INFO,        CONST_CS | CONST_PERSISTENT);
 203         REGISTER_LONG_CONSTANT("STREAM_NOTIFY_SEVERITY_WARN",   PHP_STREAM_NOTIFY_SEVERITY_WARN,        CONST_CS | CONST_PERSISTENT);
 204         REGISTER_LONG_CONSTANT("STREAM_NOTIFY_SEVERITY_ERR",    PHP_STREAM_NOTIFY_SEVERITY_ERR,         CONST_CS | CONST_PERSISTENT);
 205 
 206         REGISTER_LONG_CONSTANT("STREAM_FILTER_READ",                    PHP_STREAM_FILTER_READ,                         CONST_CS | CONST_PERSISTENT);
 207         REGISTER_LONG_CONSTANT("STREAM_FILTER_WRITE",                   PHP_STREAM_FILTER_WRITE,                        CONST_CS | CONST_PERSISTENT);
 208         REGISTER_LONG_CONSTANT("STREAM_FILTER_ALL",                             PHP_STREAM_FILTER_ALL,                          CONST_CS | CONST_PERSISTENT);
 209 
 210         REGISTER_LONG_CONSTANT("STREAM_CLIENT_PERSISTENT",              PHP_STREAM_CLIENT_PERSISTENT,           CONST_CS | CONST_PERSISTENT);
 211         REGISTER_LONG_CONSTANT("STREAM_CLIENT_ASYNC_CONNECT",   PHP_STREAM_CLIENT_ASYNC_CONNECT,        CONST_CS | CONST_PERSISTENT);
 212         REGISTER_LONG_CONSTANT("STREAM_CLIENT_CONNECT",                 PHP_STREAM_CLIENT_CONNECT,      CONST_CS | CONST_PERSISTENT);
 213 
 214         REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_ANY_CLIENT",       STREAM_CRYPTO_METHOD_ANY_CLIENT,        CONST_CS|CONST_PERSISTENT);
 215         REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv2_CLIENT",     STREAM_CRYPTO_METHOD_SSLv2_CLIENT,      CONST_CS|CONST_PERSISTENT);
 216         REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv3_CLIENT",     STREAM_CRYPTO_METHOD_SSLv3_CLIENT,      CONST_CS|CONST_PERSISTENT);
 217         REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv23_CLIENT",    STREAM_CRYPTO_METHOD_SSLv23_CLIENT,     CONST_CS|CONST_PERSISTENT);
 218         REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLS_CLIENT",       STREAM_CRYPTO_METHOD_TLS_CLIENT,        CONST_CS|CONST_PERSISTENT);
 219         REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_0_CLIENT",   STREAM_CRYPTO_METHOD_TLSv1_0_CLIENT,    CONST_CS|CONST_PERSISTENT);
 220         REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT",   STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT,    CONST_CS|CONST_PERSISTENT);
 221         REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT",   STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT,    CONST_CS|CONST_PERSISTENT);
 222         REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_ANY_SERVER",       STREAM_CRYPTO_METHOD_ANY_SERVER,        CONST_CS|CONST_PERSISTENT);
 223         REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv2_SERVER",     STREAM_CRYPTO_METHOD_SSLv2_SERVER,      CONST_CS|CONST_PERSISTENT);
 224         REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv3_SERVER",     STREAM_CRYPTO_METHOD_SSLv3_SERVER,      CONST_CS|CONST_PERSISTENT);
 225         REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv23_SERVER",    STREAM_CRYPTO_METHOD_SSLv23_SERVER,     CONST_CS|CONST_PERSISTENT);
 226         REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLS_SERVER",       STREAM_CRYPTO_METHOD_TLS_SERVER,        CONST_CS|CONST_PERSISTENT);
 227         REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_0_SERVER",   STREAM_CRYPTO_METHOD_TLSv1_0_SERVER,    CONST_CS|CONST_PERSISTENT);
 228         REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_1_SERVER",   STREAM_CRYPTO_METHOD_TLSv1_1_SERVER,    CONST_CS|CONST_PERSISTENT);
 229         REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_2_SERVER",   STREAM_CRYPTO_METHOD_TLSv1_2_SERVER,    CONST_CS|CONST_PERSISTENT);
 230 
 231         REGISTER_LONG_CONSTANT("STREAM_SHUT_RD",        STREAM_SHUT_RD,         CONST_CS|CONST_PERSISTENT);
 232         REGISTER_LONG_CONSTANT("STREAM_SHUT_WR",        STREAM_SHUT_WR,         CONST_CS|CONST_PERSISTENT);
 233         REGISTER_LONG_CONSTANT("STREAM_SHUT_RDWR",      STREAM_SHUT_RDWR,       CONST_CS|CONST_PERSISTENT);
 234 
 235 #ifdef PF_INET
 236         REGISTER_LONG_CONSTANT("STREAM_PF_INET", PF_INET, CONST_CS|CONST_PERSISTENT);
 237 #elif defined(AF_INET)
 238         REGISTER_LONG_CONSTANT("STREAM_PF_INET", AF_INET, CONST_CS|CONST_PERSISTENT);
 239 #endif
 240 
 241 #if HAVE_IPV6
 242 # ifdef PF_INET6
 243         REGISTER_LONG_CONSTANT("STREAM_PF_INET6", PF_INET6, CONST_CS|CONST_PERSISTENT);
 244 # elif defined(AF_INET6)
 245         REGISTER_LONG_CONSTANT("STREAM_PF_INET6", AF_INET6, CONST_CS|CONST_PERSISTENT);
 246 # endif
 247 #endif
 248 
 249 #ifdef PF_UNIX
 250         REGISTER_LONG_CONSTANT("STREAM_PF_UNIX", PF_UNIX, CONST_CS|CONST_PERSISTENT);
 251 #elif defined(AF_UNIX)
 252         REGISTER_LONG_CONSTANT("STREAM_PF_UNIX", AF_UNIX, CONST_CS|CONST_PERSISTENT);
 253 #endif
 254 
 255 #ifdef IPPROTO_IP
 256         /* most people will use this one when calling socket() or socketpair() */
 257         REGISTER_LONG_CONSTANT("STREAM_IPPROTO_IP", IPPROTO_IP, CONST_CS|CONST_PERSISTENT);
 258 #endif
 259 
 260 #ifdef IPPROTO_TCP
 261         REGISTER_LONG_CONSTANT("STREAM_IPPROTO_TCP", IPPROTO_TCP, CONST_CS|CONST_PERSISTENT);
 262 #endif
 263 
 264 #ifdef IPPROTO_UDP
 265         REGISTER_LONG_CONSTANT("STREAM_IPPROTO_UDP", IPPROTO_UDP, CONST_CS|CONST_PERSISTENT);
 266 #endif
 267 
 268 #ifdef IPPROTO_ICMP
 269         REGISTER_LONG_CONSTANT("STREAM_IPPROTO_ICMP", IPPROTO_ICMP, CONST_CS|CONST_PERSISTENT);
 270 #endif
 271 
 272 #ifdef IPPROTO_RAW
 273         REGISTER_LONG_CONSTANT("STREAM_IPPROTO_RAW", IPPROTO_RAW, CONST_CS|CONST_PERSISTENT);
 274 #endif
 275 
 276         REGISTER_LONG_CONSTANT("STREAM_SOCK_STREAM", SOCK_STREAM, CONST_CS|CONST_PERSISTENT);
 277         REGISTER_LONG_CONSTANT("STREAM_SOCK_DGRAM", SOCK_DGRAM, CONST_CS|CONST_PERSISTENT);
 278 
 279 #ifdef SOCK_RAW
 280         REGISTER_LONG_CONSTANT("STREAM_SOCK_RAW", SOCK_RAW, CONST_CS|CONST_PERSISTENT);
 281 #endif
 282 
 283 #ifdef SOCK_SEQPACKET
 284         REGISTER_LONG_CONSTANT("STREAM_SOCK_SEQPACKET", SOCK_SEQPACKET, CONST_CS|CONST_PERSISTENT);
 285 #endif
 286 
 287 #ifdef SOCK_RDM
 288         REGISTER_LONG_CONSTANT("STREAM_SOCK_RDM", SOCK_RDM, CONST_CS|CONST_PERSISTENT);
 289 #endif
 290 
 291         REGISTER_LONG_CONSTANT("STREAM_PEEK", STREAM_PEEK, CONST_CS | CONST_PERSISTENT);
 292         REGISTER_LONG_CONSTANT("STREAM_OOB",  STREAM_OOB, CONST_CS | CONST_PERSISTENT);
 293 
 294         REGISTER_LONG_CONSTANT("STREAM_SERVER_BIND",                    STREAM_XPORT_BIND,                                      CONST_CS | CONST_PERSISTENT);
 295         REGISTER_LONG_CONSTANT("STREAM_SERVER_LISTEN",                  STREAM_XPORT_LISTEN,                            CONST_CS | CONST_PERSISTENT);
 296 
 297         REGISTER_LONG_CONSTANT("FILE_USE_INCLUDE_PATH",                 PHP_FILE_USE_INCLUDE_PATH,                      CONST_CS | CONST_PERSISTENT);
 298         REGISTER_LONG_CONSTANT("FILE_IGNORE_NEW_LINES",                 PHP_FILE_IGNORE_NEW_LINES,                      CONST_CS | CONST_PERSISTENT);
 299         REGISTER_LONG_CONSTANT("FILE_SKIP_EMPTY_LINES",                 PHP_FILE_SKIP_EMPTY_LINES,                      CONST_CS | CONST_PERSISTENT);
 300         REGISTER_LONG_CONSTANT("FILE_APPEND",                                   PHP_FILE_APPEND,                                        CONST_CS | CONST_PERSISTENT);
 301         REGISTER_LONG_CONSTANT("FILE_NO_DEFAULT_CONTEXT",               PHP_FILE_NO_DEFAULT_CONTEXT,            CONST_CS | CONST_PERSISTENT);
 302 
 303         REGISTER_LONG_CONSTANT("FILE_TEXT",                                             0,                                                                      CONST_CS | CONST_PERSISTENT);
 304         REGISTER_LONG_CONSTANT("FILE_BINARY",                                   0,                                                                      CONST_CS | CONST_PERSISTENT);
 305 
 306 #ifdef HAVE_FNMATCH
 307         REGISTER_LONG_CONSTANT("FNM_NOESCAPE", FNM_NOESCAPE, CONST_CS | CONST_PERSISTENT);
 308         REGISTER_LONG_CONSTANT("FNM_PATHNAME", FNM_PATHNAME, CONST_CS | CONST_PERSISTENT);
 309         REGISTER_LONG_CONSTANT("FNM_PERIOD",   FNM_PERIOD,   CONST_CS | CONST_PERSISTENT);
 310 # ifdef FNM_CASEFOLD /* a GNU extension */ /* TODO emulate if not available */
 311         REGISTER_LONG_CONSTANT("FNM_CASEFOLD", FNM_CASEFOLD, CONST_CS | CONST_PERSISTENT);
 312 # endif
 313 #endif
 314 
 315         return SUCCESS;
 316 }
 317 /* }}} */
 318 
 319 PHP_MSHUTDOWN_FUNCTION(file) /* {{{ */
 320 {
 321 #ifndef ZTS
 322         file_globals_dtor(&file_globals);
 323 #endif
 324         return SUCCESS;
 325 }
 326 /* }}} */
 327 
 328 static int flock_values[] = { LOCK_SH, LOCK_EX, LOCK_UN };
 329 
 330 /* {{{ proto bool flock(resource fp, int operation [, int &wouldblock])
 331    Portable file locking */
 332 PHP_FUNCTION(flock)
 333 {
 334         zval *res, *wouldblock = NULL;
 335         int act;
 336         php_stream *stream;
 337         zend_long operation = 0;
 338 
 339         if (zend_parse_parameters(ZEND_NUM_ARGS(), "rl|z/", &res, &operation, &wouldblock) == FAILURE) {
 340                 return;
 341         }
 342 
 343         PHP_STREAM_TO_ZVAL(stream, res);
 344 
 345         act = operation & 3;
 346         if (act < 1 || act > 3) {
 347                 php_error_docref(NULL, E_WARNING, "Illegal operation argument");
 348                 RETURN_FALSE;
 349         }
 350 
 351         if (wouldblock) {
 352                 zval_dtor(wouldblock);
 353                 ZVAL_LONG(wouldblock, 0);
 354         }
 355 
 356         /* flock_values contains all possible actions if (operation & 4) we won't block on the lock */
 357         act = flock_values[act - 1] | (operation & PHP_LOCK_NB ? LOCK_NB : 0);
 358         if (php_stream_lock(stream, act)) {
 359                 if (operation && errno == EWOULDBLOCK && wouldblock) {
 360                         ZVAL_LONG(wouldblock, 1);
 361                 }
 362                 RETURN_FALSE;
 363         }
 364         RETURN_TRUE;
 365 }
 366 /* }}} */
 367 
 368 #define PHP_META_UNSAFE ".\\+*?[^]$() "
 369 
 370 /* {{{ proto array get_meta_tags(string filename [, bool use_include_path])
 371    Extracts all meta tag content attributes from a file and returns an array */
 372 PHP_FUNCTION(get_meta_tags)
 373 {
 374         char *filename;
 375         size_t filename_len;
 376         zend_bool use_include_path = 0;
 377         int in_tag = 0, done = 0;
 378         int looking_for_val = 0, have_name = 0, have_content = 0;
 379         int saw_name = 0, saw_content = 0;
 380         char *name = NULL, *value = NULL, *temp = NULL;
 381         php_meta_tags_token tok, tok_last;
 382         php_meta_tags_data md;
 383 
 384         /* Initiailize our structure */
 385         memset(&md, 0, sizeof(md));
 386 
 387         /* Parse arguments */
 388         if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|b", &filename, &filename_len, &use_include_path) == FAILURE) {
 389                 return;
 390         }
 391 
 392         md.stream = php_stream_open_wrapper(filename, "rb",
 393                         (use_include_path ? USE_PATH : 0) | REPORT_ERRORS,
 394                         NULL);
 395         if (!md.stream) {
 396                 RETURN_FALSE;
 397         }
 398 
 399         array_init(return_value);
 400 
 401         tok_last = TOK_EOF;
 402 
 403         while (!done && (tok = php_next_meta_token(&md)) != TOK_EOF) {
 404                 if (tok == TOK_ID) {
 405                         if (tok_last == TOK_OPENTAG) {
 406                                 md.in_meta = !strcasecmp("meta", md.token_data);
 407                         } else if (tok_last == TOK_SLASH && in_tag) {
 408                                 if (strcasecmp("head", md.token_data) == 0) {
 409                                         /* We are done here! */
 410                                         done = 1;
 411                                 }
 412                         } else if (tok_last == TOK_EQUAL && looking_for_val) {
 413                                 if (saw_name) {
 414                                         if (name) efree(name);
 415                                         /* Get the NAME attr (Single word attr, non-quoted) */
 416                                         temp = name = estrndup(md.token_data, md.token_len);
 417 
 418                                         while (temp && *temp) {
 419                                                 if (strchr(PHP_META_UNSAFE, *temp)) {
 420                                                         *temp = '_';
 421                                                 }
 422                                                 temp++;
 423                                         }
 424 
 425                                         have_name = 1;
 426                                 } else if (saw_content) {
 427                                         if (value) efree(value);
 428                                         value = estrndup(md.token_data, md.token_len);
 429                                         have_content = 1;
 430                                 }
 431 
 432                                 looking_for_val = 0;
 433                         } else {
 434                                 if (md.in_meta) {
 435                                         if (strcasecmp("name", md.token_data) == 0) {
 436                                                 saw_name = 1;
 437                                                 saw_content = 0;
 438                                                 looking_for_val = 1;
 439                                         } else if (strcasecmp("content", md.token_data) == 0) {
 440                                                 saw_name = 0;
 441                                                 saw_content = 1;
 442                                                 looking_for_val = 1;
 443                                         }
 444                                 }
 445                         }
 446                 } else if (tok == TOK_STRING && tok_last == TOK_EQUAL && looking_for_val) {
 447                         if (saw_name) {
 448                                 if (name) efree(name);
 449                                 /* Get the NAME attr (Quoted single/double) */
 450                                 temp = name = estrndup(md.token_data, md.token_len);
 451 
 452                                 while (temp && *temp) {
 453                                         if (strchr(PHP_META_UNSAFE, *temp)) {
 454                                                 *temp = '_';
 455                                         }
 456                                         temp++;
 457                                 }
 458 
 459                                 have_name = 1;
 460                         } else if (saw_content) {
 461                                 if (value) efree(value);
 462                                 value = estrndup(md.token_data, md.token_len);
 463                                 have_content = 1;
 464                         }
 465 
 466                         looking_for_val = 0;
 467                 } else if (tok == TOK_OPENTAG) {
 468                         if (looking_for_val) {
 469                                 looking_for_val = 0;
 470                                 have_name = saw_name = 0;
 471                                 have_content = saw_content = 0;
 472                         }
 473                         in_tag = 1;
 474                 } else if (tok == TOK_CLOSETAG) {
 475                         if (have_name) {
 476                                 /* For BC */
 477                                 php_strtolower(name, strlen(name));
 478                                 if (have_content) {
 479                                         add_assoc_string(return_value, name, value);
 480                                 } else {
 481                                         add_assoc_string(return_value, name, "");
 482                                 }
 483 
 484                                 efree(name);
 485                                 if (value) efree(value);
 486                         } else if (have_content) {
 487                                 efree(value);
 488                         }
 489 
 490                         name = value = NULL;
 491 
 492                         /* Reset all of our flags */
 493                         in_tag = looking_for_val = 0;
 494                         have_name = saw_name = 0;
 495                         have_content = saw_content = 0;
 496                         md.in_meta = 0;
 497                 }
 498 
 499                 tok_last = tok;
 500 
 501                 if (md.token_data)
 502                         efree(md.token_data);
 503 
 504                 md.token_data = NULL;
 505         }
 506 
 507         if (value) efree(value);
 508         if (name) efree(name);
 509         php_stream_close(md.stream);
 510 }
 511 /* }}} */
 512 
 513 /* {{{ proto string file_get_contents(string filename [, bool use_include_path [, resource context [, long offset [, long maxlen]]]])
 514    Read the entire file into a string */
 515 PHP_FUNCTION(file_get_contents)
 516 {
 517         char *filename;
 518         size_t filename_len;
 519         zend_bool use_include_path = 0;
 520         php_stream *stream;
 521         zend_long offset = -1;
 522         zend_long maxlen = (ssize_t) PHP_STREAM_COPY_ALL;
 523         zval *zcontext = NULL;
 524         php_stream_context *context = NULL;
 525         zend_string *contents;
 526 
 527         /* Parse arguments */
 528         if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|br!ll", &filename, &filename_len, &use_include_path, &zcontext, &offset, &maxlen) == FAILURE) {
 529                 return;
 530         }
 531 
 532         if (ZEND_NUM_ARGS() == 5 && maxlen < 0) {
 533                 php_error_docref(NULL, E_WARNING, "length must be greater than or equal to zero");
 534                 RETURN_FALSE;
 535         }
 536 
 537         context = php_stream_context_from_zval(zcontext, 0);
 538 
 539         stream = php_stream_open_wrapper_ex(filename, "rb",
 540                                 (use_include_path ? USE_PATH : 0) | REPORT_ERRORS,
 541                                 NULL, context);
 542         if (!stream) {
 543                 RETURN_FALSE;
 544         }
 545 
 546         if (offset > 0 && php_stream_seek(stream, offset, SEEK_SET) < 0) {
 547                 php_error_docref(NULL, E_WARNING, "Failed to seek to position " ZEND_LONG_FMT " in the stream", offset);
 548                 php_stream_close(stream);
 549                 RETURN_FALSE;
 550         }
 551 
 552         if (maxlen > INT_MAX) {
 553                 php_error_docref(NULL, E_WARNING, "maxlen truncated from %pd to %d bytes", maxlen, INT_MAX);
 554                 maxlen = INT_MAX;
 555         }
 556         if ((contents = php_stream_copy_to_mem(stream, maxlen, 0)) != NULL) {
 557                 RETVAL_STR(contents);
 558         } else {
 559                 RETVAL_EMPTY_STRING();
 560         }
 561 
 562         php_stream_close(stream);
 563 }
 564 /* }}} */
 565 
 566 /* {{{ proto int file_put_contents(string file, mixed data [, int flags [, resource context]])
 567    Write/Create a file with contents data and return the number of bytes written */
 568 PHP_FUNCTION(file_put_contents)
 569 {
 570         php_stream *stream;
 571         char *filename;
 572         size_t filename_len;
 573         zval *data;
 574         zend_long numbytes = 0;
 575         zend_long flags = 0;
 576         zval *zcontext = NULL;
 577         php_stream_context *context = NULL;
 578         php_stream *srcstream = NULL;
 579         char mode[3] = "wb";
 580 
 581         if (zend_parse_parameters(ZEND_NUM_ARGS(), "pz/|lr!", &filename, &filename_len, &data, &flags, &zcontext) == FAILURE) {
 582                 return;
 583         }
 584 
 585         if (Z_TYPE_P(data) == IS_RESOURCE) {
 586                 php_stream_from_zval(srcstream, data);
 587         }
 588 
 589         context = php_stream_context_from_zval(zcontext, flags & PHP_FILE_NO_DEFAULT_CONTEXT);
 590 
 591         if (flags & PHP_FILE_APPEND) {
 592                 mode[0] = 'a';
 593         } else if (flags & LOCK_EX) {
 594                 /* check to make sure we are dealing with a regular file */
 595                 if (php_memnstr(filename, "://", sizeof("://") - 1, filename + filename_len)) {
 596                         if (strncasecmp(filename, "file://", sizeof("file://") - 1)) {
 597                                 php_error_docref(NULL, E_WARNING, "Exclusive locks may only be set for regular files");
 598                                 RETURN_FALSE;
 599                         }
 600                 }
 601                 mode[0] = 'c';
 602         }
 603         mode[2] = '\0';
 604 
 605         stream = php_stream_open_wrapper_ex(filename, mode, ((flags & PHP_FILE_USE_INCLUDE_PATH) ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
 606         if (stream == NULL) {
 607                 RETURN_FALSE;
 608         }
 609 
 610         if (flags & LOCK_EX && (!php_stream_supports_lock(stream) || php_stream_lock(stream, LOCK_EX))) {
 611                 php_stream_close(stream);
 612                 php_error_docref(NULL, E_WARNING, "Exclusive locks are not supported for this stream");
 613                 RETURN_FALSE;
 614         }
 615 
 616         if (mode[0] == 'c') {
 617                 php_stream_truncate_set_size(stream, 0);
 618         }
 619 
 620         switch (Z_TYPE_P(data)) {
 621                 case IS_RESOURCE: {
 622                         size_t len;
 623                         if (php_stream_copy_to_stream_ex(srcstream, stream, PHP_STREAM_COPY_ALL, &len) != SUCCESS) {
 624                                 numbytes = -1;
 625                         } else {
 626                                 if (len > ZEND_LONG_MAX) {
 627                                         php_error_docref(NULL, E_WARNING, "content truncated from %zu to " ZEND_LONG_FMT " bytes", len, ZEND_LONG_MAX);
 628                                         len = ZEND_LONG_MAX;
 629                                 }
 630                                 numbytes = len;
 631                         }
 632                         break;
 633                 }
 634                 case IS_NULL:
 635                 case IS_LONG:
 636                 case IS_DOUBLE:
 637                 case IS_FALSE:
 638                 case IS_TRUE:
 639                         convert_to_string_ex(data);
 640 
 641                 case IS_STRING:
 642                         if (Z_STRLEN_P(data)) {
 643                                 numbytes = php_stream_write(stream, Z_STRVAL_P(data), Z_STRLEN_P(data));
 644                                 if (numbytes != Z_STRLEN_P(data)) {
 645                                         php_error_docref(NULL, E_WARNING, "Only "ZEND_LONG_FMT" of %zd bytes written, possibly out of free disk space", numbytes, Z_STRLEN_P(data));
 646                                         numbytes = -1;
 647                                 }
 648                         }
 649                         break;
 650 
 651                 case IS_ARRAY:
 652                         if (zend_hash_num_elements(Z_ARRVAL_P(data))) {
 653                                 size_t bytes_written;
 654                                 zval *tmp;
 655 
 656                                 ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(data), tmp) {
 657                                         zend_string *str = zval_get_string(tmp);
 658                                         if (ZSTR_LEN(str)) {
 659                                                 numbytes += ZSTR_LEN(str);
 660                                                 bytes_written = php_stream_write(stream, ZSTR_VAL(str), ZSTR_LEN(str));
 661                                                 if (bytes_written != ZSTR_LEN(str)) {
 662                                                         php_error_docref(NULL, E_WARNING, "Failed to write %zd bytes to %s", ZSTR_LEN(str), filename);
 663                                                         zend_string_release(str);
 664                                                         numbytes = -1;
 665                                                         break;
 666                                                 }
 667                                         }
 668                                         zend_string_release(str);
 669                                 } ZEND_HASH_FOREACH_END();
 670                         }
 671                         break;
 672 
 673                 case IS_OBJECT:
 674                         if (Z_OBJ_HT_P(data) != NULL) {
 675                                 zval out;
 676 
 677                                 if (zend_std_cast_object_tostring(data, &out, IS_STRING) == SUCCESS) {
 678                                         numbytes = php_stream_write(stream, Z_STRVAL(out), Z_STRLEN(out));
 679                                         if (numbytes != Z_STRLEN(out)) {
 680                                                 php_error_docref(NULL, E_WARNING, "Only "ZEND_LONG_FMT" of %zd bytes written, possibly out of free disk space", numbytes, Z_STRLEN(out));
 681                                                 numbytes = -1;
 682                                         }
 683                                         zval_dtor(&out);
 684                                         break;
 685                                 }
 686                         }
 687                 default:
 688                         numbytes = -1;
 689                         break;
 690         }
 691         php_stream_close(stream);
 692 
 693         if (numbytes < 0) {
 694                 RETURN_FALSE;
 695         }
 696 
 697         RETURN_LONG(numbytes);
 698 }
 699 /* }}} */
 700 
 701 #define PHP_FILE_BUF_SIZE       80
 702 
 703 /* {{{ proto array file(string filename [, int flags[, resource context]])
 704    Read entire file into an array */
 705 PHP_FUNCTION(file)
 706 {
 707         char *filename;
 708         size_t filename_len;
 709         char *p, *s, *e;
 710         register int i = 0;
 711         char eol_marker = '\n';
 712         zend_long flags = 0;
 713         zend_bool use_include_path;
 714         zend_bool include_new_line;
 715         zend_bool skip_blank_lines;
 716         php_stream *stream;
 717         zval *zcontext = NULL;
 718         php_stream_context *context = NULL;
 719         zend_string *target_buf;
 720 
 721         /* Parse arguments */
 722         if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|lr!", &filename, &filename_len, &flags, &zcontext) == FAILURE) {
 723                 return;
 724         }
 725         if (flags < 0 || flags > (PHP_FILE_USE_INCLUDE_PATH | PHP_FILE_IGNORE_NEW_LINES | PHP_FILE_SKIP_EMPTY_LINES | PHP_FILE_NO_DEFAULT_CONTEXT)) {
 726                 php_error_docref(NULL, E_WARNING, "'" ZEND_LONG_FMT "' flag is not supported", flags);
 727                 RETURN_FALSE;
 728         }
 729 
 730         use_include_path = flags & PHP_FILE_USE_INCLUDE_PATH;
 731         include_new_line = !(flags & PHP_FILE_IGNORE_NEW_LINES);
 732         skip_blank_lines = flags & PHP_FILE_SKIP_EMPTY_LINES;
 733 
 734         context = php_stream_context_from_zval(zcontext, flags & PHP_FILE_NO_DEFAULT_CONTEXT);
 735 
 736         stream = php_stream_open_wrapper_ex(filename, "rb", (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
 737         if (!stream) {
 738                 RETURN_FALSE;
 739         }
 740 
 741         /* Initialize return array */
 742         array_init(return_value);
 743 
 744         if ((target_buf = php_stream_copy_to_mem(stream, PHP_STREAM_COPY_ALL, 0)) != NULL) {
 745                 s = ZSTR_VAL(target_buf);
 746                 e = ZSTR_VAL(target_buf) + ZSTR_LEN(target_buf);
 747 
 748                 if (!(p = (char*)php_stream_locate_eol(stream, target_buf))) {
 749                         p = e;
 750                         goto parse_eol;
 751                 }
 752 
 753                 if (stream->flags & PHP_STREAM_FLAG_EOL_MAC) {
 754                         eol_marker = '\r';
 755                 }
 756 
 757                 /* for performance reasons the code is duplicated, so that the if (include_new_line)
 758                  * will not need to be done for every single line in the file. */
 759                 if (include_new_line) {
 760                         do {
 761                                 p++;
 762 parse_eol:
 763                                 add_index_stringl(return_value, i++, s, p-s);
 764                                 s = p;
 765                         } while ((p = memchr(p, eol_marker, (e-p))));
 766                 } else {
 767                         do {
 768                                 int windows_eol = 0;
 769                                 if (p != ZSTR_VAL(target_buf) && eol_marker == '\n' && *(p - 1) == '\r') {
 770                                         windows_eol++;
 771                                 }
 772                                 if (skip_blank_lines && !(p-s-windows_eol)) {
 773                                         s = ++p;
 774                                         continue;
 775                                 }
 776                                 add_index_stringl(return_value, i++, s, p-s-windows_eol);
 777                                 s = ++p;
 778                         } while ((p = memchr(p, eol_marker, (e-p))));
 779                 }
 780 
 781                 /* handle any left overs of files without new lines */
 782                 if (s != e) {
 783                         p = e;
 784                         goto parse_eol;
 785                 }
 786         }
 787 
 788         if (target_buf) {
 789                 zend_string_free(target_buf);
 790         }
 791         php_stream_close(stream);
 792 }
 793 /* }}} */
 794 
 795 /* {{{ proto string tempnam(string dir, string prefix)
 796    Create a unique filename in a directory */
 797 PHP_FUNCTION(tempnam)
 798 {
 799         char *dir, *prefix;
 800         size_t dir_len, prefix_len;
 801         zend_string *opened_path;
 802         int fd;
 803         zend_string *p;
 804 
 805         if (zend_parse_parameters(ZEND_NUM_ARGS(), "pp", &dir, &dir_len, &prefix, &prefix_len) == FAILURE) {
 806                 return;
 807         }
 808 
 809         if (php_check_open_basedir(dir)) {
 810                 RETURN_FALSE;
 811         }
 812 
 813         p = php_basename(prefix, prefix_len, NULL, 0);
 814         if (ZSTR_LEN(p) > 64) {
 815                 ZSTR_VAL(p)[63] = '\0';
 816         }
 817 
 818         RETVAL_FALSE;
 819 
 820         if ((fd = php_open_temporary_fd_ex(dir, ZSTR_VAL(p), &opened_path, 1)) >= 0) {
 821                 close(fd);
 822                 RETVAL_STR(opened_path);
 823         }
 824         zend_string_release(p);
 825 }
 826 /* }}} */
 827 
 828 /* {{{ proto resource tmpfile(void)
 829    Create a temporary file that will be deleted automatically after use */
 830 PHP_NAMED_FUNCTION(php_if_tmpfile)
 831 {
 832         php_stream *stream;
 833 
 834         if (zend_parse_parameters_none() == FAILURE) {
 835                 return;
 836         }
 837 
 838         stream = php_stream_fopen_tmpfile();
 839 
 840         if (stream) {
 841                 php_stream_to_zval(stream, return_value);
 842         } else {
 843                 RETURN_FALSE;
 844         }
 845 }
 846 /* }}} */
 847 
 848 /* {{{ proto resource fopen(string filename, string mode [, bool use_include_path [, resource context]])
 849    Open a file or a URL and return a file pointer */
 850 PHP_NAMED_FUNCTION(php_if_fopen)
 851 {
 852         char *filename, *mode;
 853         size_t filename_len, mode_len;
 854         zend_bool use_include_path = 0;
 855         zval *zcontext = NULL;
 856         php_stream *stream;
 857         php_stream_context *context = NULL;
 858 
 859         if (zend_parse_parameters(ZEND_NUM_ARGS(), "ps|br", &filename, &filename_len, &mode, &mode_len, &use_include_path, &zcontext) == FAILURE) {
 860                 RETURN_FALSE;
 861         }
 862 
 863         context = php_stream_context_from_zval(zcontext, 0);
 864 
 865         stream = php_stream_open_wrapper_ex(filename, mode, (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
 866 
 867         if (stream == NULL) {
 868                 RETURN_FALSE;
 869         }
 870 
 871         php_stream_to_zval(stream, return_value);
 872 }
 873 /* }}} */
 874 
 875 /* {{{ proto bool fclose(resource fp)
 876    Close an open file pointer */
 877 PHPAPI PHP_FUNCTION(fclose)
 878 {
 879         zval *res;
 880         php_stream *stream;
 881 
 882 #ifndef FAST_ZPP
 883         if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &res) == FAILURE) {
 884                 RETURN_FALSE;
 885         }
 886 #else
 887         ZEND_PARSE_PARAMETERS_START(1, 1)
 888                 Z_PARAM_RESOURCE(res)
 889         ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
 890 #endif
 891 
 892         PHP_STREAM_TO_ZVAL(stream, res);
 893 
 894         if ((stream->flags & PHP_STREAM_FLAG_NO_FCLOSE) != 0) {
 895                 php_error_docref(NULL, E_WARNING, "%pd is not a valid stream resource", stream->res->handle);
 896                 RETURN_FALSE;
 897         }
 898 
 899         php_stream_free(stream,
 900                 PHP_STREAM_FREE_KEEP_RSRC |
 901                 (stream->is_persistent ? PHP_STREAM_FREE_CLOSE_PERSISTENT : PHP_STREAM_FREE_CLOSE));
 902 
 903         RETURN_TRUE;
 904 }
 905 /* }}} */
 906 
 907 /* {{{ proto resource popen(string command, string mode)
 908    Execute a command and open either a read or a write pipe to it */
 909 PHP_FUNCTION(popen)
 910 {
 911         char *command, *mode;
 912         size_t command_len, mode_len;
 913         FILE *fp;
 914         php_stream *stream;
 915         char *posix_mode;
 916 
 917         if (zend_parse_parameters(ZEND_NUM_ARGS(), "ps", &command, &command_len, &mode, &mode_len) == FAILURE) {
 918                 return;
 919         }
 920 
 921         posix_mode = estrndup(mode, mode_len);
 922 #ifndef PHP_WIN32
 923         {
 924                 char *z = memchr(posix_mode, 'b', mode_len);
 925                 if (z) {
 926                         memmove(z, z + 1, mode_len - (z - posix_mode));
 927                 }
 928         }
 929 #endif
 930 
 931         fp = VCWD_POPEN(command, posix_mode);
 932         if (!fp) {
 933                 php_error_docref2(NULL, command, posix_mode, E_WARNING, "%s", strerror(errno));
 934                 efree(posix_mode);
 935                 RETURN_FALSE;
 936         }
 937 
 938         stream = php_stream_fopen_from_pipe(fp, mode);
 939 
 940         if (stream == NULL)     {
 941                 php_error_docref2(NULL, command, mode, E_WARNING, "%s", strerror(errno));
 942                 RETVAL_FALSE;
 943         } else {
 944                 php_stream_to_zval(stream, return_value);
 945         }
 946 
 947         efree(posix_mode);
 948 }
 949 /* }}} */
 950 
 951 /* {{{ proto int pclose(resource fp)
 952    Close a file pointer opened by popen() */
 953 PHP_FUNCTION(pclose)
 954 {
 955         zval *res;
 956         php_stream *stream;
 957 
 958         if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &res) == FAILURE) {
 959                 RETURN_FALSE;
 960         }
 961 
 962         PHP_STREAM_TO_ZVAL(stream, res);
 963 
 964         FG(pclose_wait) = 1;
 965         zend_list_close(stream->res);
 966         FG(pclose_wait) = 0;
 967         RETURN_LONG(FG(pclose_ret));
 968 }
 969 /* }}} */
 970 
 971 /* {{{ proto bool feof(resource fp)
 972    Test for end-of-file on a file pointer */
 973 PHPAPI PHP_FUNCTION(feof)
 974 {
 975         zval *res;
 976         php_stream *stream;
 977 
 978 #ifndef FAST_ZPP
 979         if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &res) == FAILURE) {
 980                 RETURN_FALSE;
 981         }
 982 #else
 983         ZEND_PARSE_PARAMETERS_START(1, 1)
 984                 Z_PARAM_RESOURCE(res)
 985         ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
 986 #endif
 987 
 988         PHP_STREAM_TO_ZVAL(stream, res);
 989 
 990         if (php_stream_eof(stream)) {
 991                 RETURN_TRUE;
 992         } else {
 993                 RETURN_FALSE;
 994         }
 995 }
 996 /* }}} */
 997 
 998 /* {{{ proto string fgets(resource fp[, int length])
 999    Get a line from file pointer */
1000 PHPAPI PHP_FUNCTION(fgets)
1001 {
1002         zval *res;
1003         zend_long len = 1024;
1004         char *buf = NULL;
1005         int argc = ZEND_NUM_ARGS();
1006         size_t line_len = 0;
1007         zend_string *str;
1008         php_stream *stream;
1009 
1010 #ifndef FAST_ZPP
1011         if (zend_parse_parameters(ZEND_NUM_ARGS(), "r|l", &res, &len) == FAILURE) {
1012                 RETURN_FALSE;
1013         }
1014 #else
1015         ZEND_PARSE_PARAMETERS_START(1, 2)
1016                 Z_PARAM_RESOURCE(res)
1017                 Z_PARAM_OPTIONAL
1018                 Z_PARAM_LONG(len)
1019         ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
1020 #endif
1021 
1022         PHP_STREAM_TO_ZVAL(stream, res);
1023 
1024         if (argc == 1) {
1025                 /* ask streams to give us a buffer of an appropriate size */
1026                 buf = php_stream_get_line(stream, NULL, 0, &line_len);
1027                 if (buf == NULL) {
1028                         RETURN_FALSE;
1029                 }
1030                 // TODO: avoid reallocation ???
1031                 RETVAL_STRINGL(buf, line_len);
1032                 efree(buf);
1033         } else if (argc > 1) {
1034                 if (len <= 0) {
1035                         php_error_docref(NULL, E_WARNING, "Length parameter must be greater than 0");
1036                         RETURN_FALSE;
1037                 }
1038 
1039                 str = zend_string_alloc(len, 0);
1040                 if (php_stream_get_line(stream, ZSTR_VAL(str), len, &line_len) == NULL) {
1041                         zend_string_free(str);
1042                         RETURN_FALSE;
1043                 }
1044                 /* resize buffer if it's much larger than the result.
1045                  * Only needed if the user requested a buffer size. */
1046                 if (line_len < (size_t)len / 2) {
1047                         str = zend_string_truncate(str, line_len, 0);
1048                 } else {
1049                         ZSTR_LEN(str) = line_len;
1050                 }
1051                 RETURN_NEW_STR(str);
1052         }
1053 }
1054 /* }}} */
1055 
1056 /* {{{ proto string fgetc(resource fp)
1057    Get a character from file pointer */
1058 PHPAPI PHP_FUNCTION(fgetc)
1059 {
1060         zval *res;
1061         char buf[2];
1062         int result;
1063         php_stream *stream;
1064 
1065         if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &res) == FAILURE) {
1066                 RETURN_FALSE;
1067         }
1068 
1069         PHP_STREAM_TO_ZVAL(stream, res);
1070 
1071         result = php_stream_getc(stream);
1072 
1073         if (result == EOF) {
1074                 RETVAL_FALSE;
1075         } else {
1076                 buf[0] = result;
1077                 buf[1] = '\0';
1078 
1079                 RETURN_STRINGL(buf, 1);
1080         }
1081 }
1082 /* }}} */
1083 
1084 /* {{{ proto string fgetss(resource fp [, int length [, string allowable_tags]])
1085    Get a line from file pointer and strip HTML tags */
1086 PHPAPI PHP_FUNCTION(fgetss)
1087 {
1088         zval *fd;
1089         zend_long bytes = 0;
1090         size_t len = 0;
1091         size_t actual_len, retval_len;
1092         char *buf = NULL, *retval;
1093         php_stream *stream;
1094         char *allowed_tags=NULL;
1095         size_t allowed_tags_len=0;
1096 
1097         if (zend_parse_parameters(ZEND_NUM_ARGS(), "r|ls", &fd, &bytes, &allowed_tags, &allowed_tags_len) == FAILURE) {
1098                 RETURN_FALSE;
1099         }
1100 
1101         PHP_STREAM_TO_ZVAL(stream, fd);
1102 
1103         if (ZEND_NUM_ARGS() >= 2) {
1104                 if (bytes <= 0) {
1105                         php_error_docref(NULL, E_WARNING, "Length parameter must be greater than 0");
1106                         RETURN_FALSE;
1107                 }
1108 
1109                 len = (size_t) bytes;
1110                 buf = safe_emalloc(sizeof(char), (len + 1), 0);
1111                 /*needed because recv doesnt set null char at end*/
1112                 memset(buf, 0, len + 1);
1113         }
1114 
1115         if ((retval = php_stream_get_line(stream, buf, len, &actual_len)) == NULL)      {
1116                 if (buf != NULL) {
1117                         efree(buf);
1118                 }
1119                 RETURN_FALSE;
1120         }
1121 
1122         retval_len = php_strip_tags(retval, actual_len, &stream->fgetss_state, allowed_tags, allowed_tags_len);
1123 
1124         // TODO: avoid reallocation ???
1125         RETVAL_STRINGL(retval, retval_len);
1126         efree(retval);
1127 }
1128 /* }}} */
1129 
1130 /* {{{ proto mixed fscanf(resource stream, string format [, string ...])
1131    Implements a mostly ANSI compatible fscanf() */
1132 PHP_FUNCTION(fscanf)
1133 {
1134         int result, argc = 0;
1135         size_t format_len;
1136         zval *args = NULL;
1137         zval *file_handle;
1138         char *buf, *format;
1139         size_t len;
1140         void *what;
1141 
1142         if (zend_parse_parameters(ZEND_NUM_ARGS(), "rs*", &file_handle, &format, &format_len, &args, &argc) == FAILURE) {
1143                 return;
1144         }
1145 
1146         what = zend_fetch_resource2(Z_RES_P(file_handle), "File-Handle", php_file_le_stream(), php_file_le_pstream());
1147 
1148         /* we can't do a ZEND_VERIFY_RESOURCE(what), otherwise we end up
1149          * with a leak if we have an invalid filehandle. This needs changing
1150          * if the code behind ZEND_VERIFY_RESOURCE changed. - cc */
1151         if (!what) {
1152                 RETURN_FALSE;
1153         }
1154 
1155         buf = php_stream_get_line((php_stream *) what, NULL, 0, &len);
1156         if (buf == NULL) {
1157                 RETURN_FALSE;
1158         }
1159 
1160         result = php_sscanf_internal(buf, format, argc, args, 0, return_value);
1161 
1162         efree(buf);
1163 
1164         if (SCAN_ERROR_WRONG_PARAM_COUNT == result) {
1165                 WRONG_PARAM_COUNT;
1166         }
1167 }
1168 /* }}} */
1169 
1170 /* {{{ proto int fwrite(resource fp, string str [, int length])
1171    Binary-safe file write */
1172 PHPAPI PHP_FUNCTION(fwrite)
1173 {
1174         zval *res;
1175         char *input;
1176         size_t inputlen;
1177         size_t ret;
1178         size_t num_bytes;
1179         zend_long maxlen = 0;
1180         php_stream *stream;
1181 
1182 #ifndef FAST_ZPP
1183         if (zend_parse_parameters(ZEND_NUM_ARGS(), "rs|l", &res, &input, &inputlen, &maxlen) == FAILURE) {
1184                 RETURN_FALSE;
1185         }
1186 #else
1187         ZEND_PARSE_PARAMETERS_START(2, 3)
1188                 Z_PARAM_RESOURCE(res)
1189                 Z_PARAM_STRING(input, inputlen)
1190                 Z_PARAM_OPTIONAL
1191                 Z_PARAM_LONG(maxlen)
1192         ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
1193 #endif
1194 
1195         if (ZEND_NUM_ARGS() == 2) {
1196                 num_bytes = inputlen;
1197         } else if (maxlen <= 0) {
1198                 num_bytes = 0;
1199         } else {
1200                 num_bytes = MIN((size_t) maxlen, inputlen);
1201         }
1202 
1203         if (!num_bytes) {
1204                 RETURN_LONG(0);
1205         }
1206 
1207         PHP_STREAM_TO_ZVAL(stream, res);
1208 
1209         ret = php_stream_write(stream, input, num_bytes);
1210 
1211         RETURN_LONG(ret);
1212 }
1213 /* }}} */
1214 
1215 /* {{{ proto bool fflush(resource fp)
1216    Flushes output */
1217 PHPAPI PHP_FUNCTION(fflush)
1218 {
1219         zval *res;
1220         int ret;
1221         php_stream *stream;
1222 
1223 #ifndef FAST_ZPP
1224         if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &res) == FAILURE) {
1225                 RETURN_FALSE;
1226         }
1227 #else
1228         ZEND_PARSE_PARAMETERS_START(1, 1)
1229                 Z_PARAM_RESOURCE(res)
1230         ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
1231 #endif
1232 
1233         PHP_STREAM_TO_ZVAL(stream, res);
1234 
1235         ret = php_stream_flush(stream);
1236         if (ret) {
1237                 RETURN_FALSE;
1238         }
1239         RETURN_TRUE;
1240 }
1241 /* }}} */
1242 
1243 /* {{{ proto bool rewind(resource fp)
1244    Rewind the position of a file pointer */
1245 PHPAPI PHP_FUNCTION(rewind)
1246 {
1247         zval *res;
1248         php_stream *stream;
1249 
1250 #ifndef FAST_ZPP
1251         if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &res) == FAILURE) {
1252                 RETURN_FALSE;
1253         }
1254 #else
1255         ZEND_PARSE_PARAMETERS_START(1, 1)
1256                 Z_PARAM_RESOURCE(res)
1257         ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
1258 #endif
1259 
1260         PHP_STREAM_TO_ZVAL(stream, res);
1261 
1262         if (-1 == php_stream_rewind(stream)) {
1263                 RETURN_FALSE;
1264         }
1265         RETURN_TRUE;
1266 }
1267 /* }}} */
1268 
1269 /* {{{ proto int ftell(resource fp)
1270    Get file pointer's read/write position */
1271 PHPAPI PHP_FUNCTION(ftell)
1272 {
1273         zval *res;
1274         zend_long ret;
1275         php_stream *stream;
1276 
1277 #ifndef FAST_ZPP
1278         if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &res) == FAILURE) {
1279                 RETURN_FALSE;
1280         }
1281 #else
1282         ZEND_PARSE_PARAMETERS_START(1, 1)
1283                 Z_PARAM_RESOURCE(res)
1284         ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
1285 #endif
1286 
1287         PHP_STREAM_TO_ZVAL(stream, res);
1288 
1289         ret = php_stream_tell(stream);
1290         if (ret == -1)  {
1291                 RETURN_FALSE;
1292         }
1293         RETURN_LONG(ret);
1294 }
1295 /* }}} */
1296 
1297 /* {{{ proto int fseek(resource fp, int offset [, int whence])
1298    Seek on a file pointer */
1299 PHPAPI PHP_FUNCTION(fseek)
1300 {
1301         zval *res;
1302         zend_long offset, whence = SEEK_SET;
1303         php_stream *stream;
1304 
1305 #ifndef FAST_ZPP
1306         if (zend_parse_parameters(ZEND_NUM_ARGS(), "rl|l", &res, &offset, &whence) == FAILURE) {
1307                 RETURN_FALSE;
1308         }
1309 #else
1310         ZEND_PARSE_PARAMETERS_START(2, 3)
1311                 Z_PARAM_RESOURCE(res)
1312                 Z_PARAM_LONG(offset)
1313                 Z_PARAM_OPTIONAL
1314                 Z_PARAM_LONG(whence)
1315         ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
1316 #endif
1317 
1318         PHP_STREAM_TO_ZVAL(stream, res);
1319 
1320         RETURN_LONG(php_stream_seek(stream, offset, (int) whence));
1321 }
1322 /* }}} */
1323 
1324 /* {{{ php_mkdir
1325 */
1326 
1327 /* DEPRECATED APIs: Use php_stream_mkdir() instead */
1328 PHPAPI int php_mkdir_ex(const char *dir, zend_long mode, int options)
1329 {
1330         int ret;
1331 
1332         if (php_check_open_basedir(dir)) {
1333                 return -1;
1334         }
1335 
1336         if ((ret = VCWD_MKDIR(dir, (mode_t)mode)) < 0 && (options & REPORT_ERRORS)) {
1337                 php_error_docref(NULL, E_WARNING, "%s", strerror(errno));
1338         }
1339 
1340         return ret;
1341 }
1342 
1343 PHPAPI int php_mkdir(const char *dir, zend_long mode)
1344 {
1345         return php_mkdir_ex(dir, mode, REPORT_ERRORS);
1346 }
1347 /* }}} */
1348 
1349 /* {{{ proto bool mkdir(string pathname [, int mode [, bool recursive [, resource context]]])
1350    Create a directory */
1351 PHP_FUNCTION(mkdir)
1352 {
1353         char *dir;
1354         size_t dir_len;
1355         zval *zcontext = NULL;
1356         zend_long mode = 0777;
1357         zend_bool recursive = 0;
1358         php_stream_context *context;
1359 
1360         if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|lbr", &dir, &dir_len, &mode, &recursive, &zcontext) == FAILURE) {
1361                 RETURN_FALSE;
1362         }
1363 
1364         context = php_stream_context_from_zval(zcontext, 0);
1365 
1366         RETURN_BOOL(php_stream_mkdir(dir, (int)mode, (recursive ? PHP_STREAM_MKDIR_RECURSIVE : 0) | REPORT_ERRORS, context));
1367 }
1368 /* }}} */
1369 
1370 /* {{{ proto bool rmdir(string dirname[, resource context])
1371    Remove a directory */
1372 PHP_FUNCTION(rmdir)
1373 {
1374         char *dir;
1375         size_t dir_len;
1376         zval *zcontext = NULL;
1377         php_stream_context *context;
1378 
1379         if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|r", &dir, &dir_len, &zcontext) == FAILURE) {
1380                 RETURN_FALSE;
1381         }
1382 
1383         context = php_stream_context_from_zval(zcontext, 0);
1384 
1385         RETURN_BOOL(php_stream_rmdir(dir, REPORT_ERRORS, context));
1386 }
1387 /* }}} */
1388 
1389 /* {{{ proto int readfile(string filename [, bool use_include_path[, resource context]])
1390    Output a file or a URL */
1391 PHP_FUNCTION(readfile)
1392 {
1393         char *filename;
1394         size_t filename_len;
1395         size_t size = 0;
1396         zend_bool use_include_path = 0;
1397         zval *zcontext = NULL;
1398         php_stream *stream;
1399         php_stream_context *context = NULL;
1400 
1401         if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|br!", &filename, &filename_len, &use_include_path, &zcontext) == FAILURE) {
1402                 RETURN_FALSE;
1403         }
1404 
1405         context = php_stream_context_from_zval(zcontext, 0);
1406 
1407         stream = php_stream_open_wrapper_ex(filename, "rb", (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
1408         if (stream) {
1409                 size = php_stream_passthru(stream);
1410                 php_stream_close(stream);
1411                 RETURN_LONG(size);
1412         }
1413 
1414         RETURN_FALSE;
1415 }
1416 /* }}} */
1417 
1418 /* {{{ proto int umask([int mask])
1419    Return or change the umask */
1420 PHP_FUNCTION(umask)
1421 {
1422         zend_long mask = 0;
1423         int oldumask;
1424 
1425         oldumask = umask(077);
1426 
1427         if (BG(umask) == -1) {
1428                 BG(umask) = oldumask;
1429         }
1430 
1431         if (zend_parse_parameters(ZEND_NUM_ARGS(), "|l", &mask) == FAILURE) {
1432                 RETURN_FALSE;
1433         }
1434 
1435         if (ZEND_NUM_ARGS() == 0) {
1436                 umask(oldumask);
1437         } else {
1438                 umask((int) mask);
1439         }
1440 
1441         RETURN_LONG(oldumask);
1442 }
1443 /* }}} */
1444 
1445 /* {{{ proto int fpassthru(resource fp)
1446    Output all remaining data from a file pointer */
1447 PHPAPI PHP_FUNCTION(fpassthru)
1448 {
1449         zval *res;
1450         size_t size;
1451         php_stream *stream;
1452 
1453         if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &res) == FAILURE) {
1454                 RETURN_FALSE;
1455         }
1456 
1457         PHP_STREAM_TO_ZVAL(stream, res);
1458 
1459         size = php_stream_passthru(stream);
1460         RETURN_LONG(size);
1461 }
1462 /* }}} */
1463 
1464 /* {{{ proto bool rename(string old_name, string new_name[, resource context])
1465    Rename a file */
1466 PHP_FUNCTION(rename)
1467 {
1468         char *old_name, *new_name;
1469         size_t old_name_len, new_name_len;
1470         zval *zcontext = NULL;
1471         php_stream_wrapper *wrapper;
1472         php_stream_context *context;
1473 
1474         if (zend_parse_parameters(ZEND_NUM_ARGS(), "pp|r", &old_name, &old_name_len, &new_name, &new_name_len, &zcontext) == FAILURE) {
1475                 RETURN_FALSE;
1476         }
1477 
1478         wrapper = php_stream_locate_url_wrapper(old_name, NULL, 0);
1479 
1480         if (!wrapper || !wrapper->wops) {
1481                 php_error_docref(NULL, E_WARNING, "Unable to locate stream wrapper");
1482                 RETURN_FALSE;
1483         }
1484 
1485         if (!wrapper->wops->rename) {
1486                 php_error_docref(NULL, E_WARNING, "%s wrapper does not support renaming", wrapper->wops->label ? wrapper->wops->label : "Source");
1487                 RETURN_FALSE;
1488         }
1489 
1490         if (wrapper != php_stream_locate_url_wrapper(new_name, NULL, 0)) {
1491                 php_error_docref(NULL, E_WARNING, "Cannot rename a file across wrapper types");
1492                 RETURN_FALSE;
1493         }
1494 
1495         context = php_stream_context_from_zval(zcontext, 0);
1496 
1497         RETURN_BOOL(wrapper->wops->rename(wrapper, old_name, new_name, 0, context));
1498 }
1499 /* }}} */
1500 
1501 /* {{{ proto bool unlink(string filename[, context context])
1502    Delete a file */
1503 PHP_FUNCTION(unlink)
1504 {
1505         char *filename;
1506         size_t filename_len;
1507         php_stream_wrapper *wrapper;
1508         zval *zcontext = NULL;
1509         php_stream_context *context = NULL;
1510 
1511         if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|r", &filename, &filename_len, &zcontext) == FAILURE) {
1512                 RETURN_FALSE;
1513         }
1514 
1515         context = php_stream_context_from_zval(zcontext, 0);
1516 
1517         wrapper = php_stream_locate_url_wrapper(filename, NULL, 0);
1518 
1519         if (!wrapper || !wrapper->wops) {
1520                 php_error_docref(NULL, E_WARNING, "Unable to locate stream wrapper");
1521                 RETURN_FALSE;
1522         }
1523 
1524         if (!wrapper->wops->unlink) {
1525                 php_error_docref(NULL, E_WARNING, "%s does not allow unlinking", wrapper->wops->label ? wrapper->wops->label : "Wrapper");
1526                 RETURN_FALSE;
1527         }
1528         RETURN_BOOL(wrapper->wops->unlink(wrapper, filename, REPORT_ERRORS, context));
1529 }
1530 /* }}} */
1531 
1532 /* {{{ proto bool ftruncate(resource fp, int size)
1533    Truncate file to 'size' length */
1534 PHP_NAMED_FUNCTION(php_if_ftruncate)
1535 {
1536         zval *fp;
1537         zend_long size;
1538         php_stream *stream;
1539 
1540         if (zend_parse_parameters(ZEND_NUM_ARGS(), "rl", &fp, &size) == FAILURE) {
1541                 RETURN_FALSE;
1542         }
1543 
1544         PHP_STREAM_TO_ZVAL(stream, fp);
1545 
1546         if (!php_stream_truncate_supported(stream)) {
1547                 php_error_docref(NULL, E_WARNING, "Can't truncate this stream!");
1548                 RETURN_FALSE;
1549         }
1550 
1551         RETURN_BOOL(0 == php_stream_truncate_set_size(stream, size));
1552 }
1553 /* }}} */
1554 
1555 /* {{{ proto array fstat(resource fp)
1556    Stat() on a filehandle */
1557 PHP_NAMED_FUNCTION(php_if_fstat)
1558 {
1559         zval *fp;
1560         zval stat_dev, stat_ino, stat_mode, stat_nlink, stat_uid, stat_gid, stat_rdev,
1561                  stat_size, stat_atime, stat_mtime, stat_ctime, stat_blksize, stat_blocks;
1562         php_stream *stream;
1563         php_stream_statbuf stat_ssb;
1564         char *stat_sb_names[13] = {
1565                 "dev", "ino", "mode", "nlink", "uid", "gid", "rdev",
1566                 "size", "atime", "mtime", "ctime", "blksize", "blocks"
1567         };
1568 
1569         if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &fp) == FAILURE) {
1570                 RETURN_FALSE;
1571         }
1572 
1573         PHP_STREAM_TO_ZVAL(stream, fp);
1574 
1575         if (php_stream_stat(stream, &stat_ssb)) {
1576                 RETURN_FALSE;
1577         }
1578 
1579         array_init(return_value);
1580 
1581         ZVAL_LONG(&stat_dev, stat_ssb.sb.st_dev);
1582         ZVAL_LONG(&stat_ino, stat_ssb.sb.st_ino);
1583         ZVAL_LONG(&stat_mode, stat_ssb.sb.st_mode);
1584         ZVAL_LONG(&stat_nlink, stat_ssb.sb.st_nlink);
1585         ZVAL_LONG(&stat_uid, stat_ssb.sb.st_uid);
1586         ZVAL_LONG(&stat_gid, stat_ssb.sb.st_gid);
1587 #ifdef HAVE_ST_RDEV
1588 # ifdef PHP_WIN32
1589         /* It is unsigned, so if a negative came from userspace, it'll
1590            convert to UINT_MAX, but we wan't to keep the userspace value.
1591            Almost the same as in php_fstat. This is ugly, but otherwise
1592            we would have to maintain a fully compatible struct stat. */
1593         if ((int)stat_ssb.sb.st_rdev < 0) {
1594                 ZVAL_LONG(&stat_rdev, (int)stat_ssb.sb.st_rdev);
1595         } else {
1596                 ZVAL_LONG(&stat_rdev, stat_ssb.sb.st_rdev);
1597         }
1598 # else
1599         ZVAL_LONG(&stat_rdev, stat_ssb.sb.st_rdev);
1600 # endif
1601 #else
1602         ZVAL_LONG(&stat_rdev, -1);
1603 #endif
1604         ZVAL_LONG(&stat_size, stat_ssb.sb.st_size);
1605         ZVAL_LONG(&stat_atime, stat_ssb.sb.st_atime);
1606         ZVAL_LONG(&stat_mtime, stat_ssb.sb.st_mtime);
1607         ZVAL_LONG(&stat_ctime, stat_ssb.sb.st_ctime);
1608 #ifdef HAVE_ST_BLKSIZE
1609         ZVAL_LONG(&stat_blksize, stat_ssb.sb.st_blksize);
1610 #else
1611         ZVAL_LONG(&stat_blksize,-1);
1612 #endif
1613 #ifdef HAVE_ST_BLOCKS
1614         ZVAL_LONG(&stat_blocks, stat_ssb.sb.st_blocks);
1615 #else
1616         ZVAL_LONG(&stat_blocks,-1);
1617 #endif
1618         /* Store numeric indexes in proper order */
1619         zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_dev);
1620         zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_ino);
1621         zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_mode);
1622         zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_nlink);
1623         zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_uid);
1624         zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_gid);
1625         zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_rdev);
1626         zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_size);
1627         zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_atime);
1628         zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_mtime);
1629         zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_ctime);
1630         zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_blksize);
1631         zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_blocks);
1632 
1633         /* Store string indexes referencing the same zval*/
1634         zend_hash_str_update(Z_ARRVAL_P(return_value), stat_sb_names[0], strlen(stat_sb_names[0]), &stat_dev);
1635         zend_hash_str_update(Z_ARRVAL_P(return_value), stat_sb_names[1], strlen(stat_sb_names[1]), &stat_ino);
1636         zend_hash_str_update(Z_ARRVAL_P(return_value), stat_sb_names[2], strlen(stat_sb_names[2]), &stat_mode);
1637         zend_hash_str_update(Z_ARRVAL_P(return_value), stat_sb_names[3], strlen(stat_sb_names[3]), &stat_nlink);
1638         zend_hash_str_update(Z_ARRVAL_P(return_value), stat_sb_names[4], strlen(stat_sb_names[4]), &stat_uid);
1639         zend_hash_str_update(Z_ARRVAL_P(return_value), stat_sb_names[5], strlen(stat_sb_names[5]), &stat_gid);
1640         zend_hash_str_update(Z_ARRVAL_P(return_value), stat_sb_names[6], strlen(stat_sb_names[6]), &stat_rdev);
1641         zend_hash_str_update(Z_ARRVAL_P(return_value), stat_sb_names[7], strlen(stat_sb_names[7]), &stat_size);
1642         zend_hash_str_update(Z_ARRVAL_P(return_value), stat_sb_names[8], strlen(stat_sb_names[8]), &stat_atime);
1643         zend_hash_str_update(Z_ARRVAL_P(return_value), stat_sb_names[9], strlen(stat_sb_names[9]), &stat_mtime);
1644         zend_hash_str_update(Z_ARRVAL_P(return_value), stat_sb_names[10], strlen(stat_sb_names[10]), &stat_ctime);
1645         zend_hash_str_update(Z_ARRVAL_P(return_value), stat_sb_names[11], strlen(stat_sb_names[11]), &stat_blksize);
1646         zend_hash_str_update(Z_ARRVAL_P(return_value), stat_sb_names[12], strlen(stat_sb_names[12]), &stat_blocks);
1647 }
1648 /* }}} */
1649 
1650 /* {{{ proto bool copy(string source_file, string destination_file [, resource context])
1651    Copy a file */
1652 PHP_FUNCTION(copy)
1653 {
1654         char *source, *target;
1655         size_t source_len, target_len;
1656         zval *zcontext = NULL;
1657         php_stream_context *context;
1658 
1659         if (zend_parse_parameters(ZEND_NUM_ARGS(), "pp|r", &source, &source_len, &target, &target_len, &zcontext) == FAILURE) {
1660                 return;
1661         }
1662 
1663         if (php_check_open_basedir(source)) {
1664                 RETURN_FALSE;
1665         }
1666 
1667         context = php_stream_context_from_zval(zcontext, 0);
1668 
1669         if (php_copy_file_ctx(source, target, 0, context) == SUCCESS) {
1670                 RETURN_TRUE;
1671         } else {
1672                 RETURN_FALSE;
1673         }
1674 }
1675 /* }}} */
1676 
1677 /* {{{ php_copy_file
1678  */
1679 PHPAPI int php_copy_file(const char *src, const char *dest)
1680 {
1681         return php_copy_file_ctx(src, dest, 0, NULL);
1682 }
1683 /* }}} */
1684 
1685 /* {{{ php_copy_file_ex
1686  */
1687 PHPAPI int php_copy_file_ex(const char *src, const char *dest, int src_flg)
1688 {
1689         return php_copy_file_ctx(src, dest, src_flg, NULL);
1690 }
1691 /* }}} */
1692 
1693 /* {{{ php_copy_file_ctx
1694  */
1695 PHPAPI int php_copy_file_ctx(const char *src, const char *dest, int src_flg, php_stream_context *ctx)
1696 {
1697         php_stream *srcstream = NULL, *deststream = NULL;
1698         int ret = FAILURE;
1699         php_stream_statbuf src_s, dest_s;
1700 
1701         switch (php_stream_stat_path_ex(src, 0, &src_s, ctx)) {
1702                 case -1:
1703                         /* non-statable stream */
1704                         goto safe_to_copy;
1705                         break;
1706                 case 0:
1707                         break;
1708                 default: /* failed to stat file, does not exist? */
1709                         return ret;
1710         }
1711         if (S_ISDIR(src_s.sb.st_mode)) {
1712                 php_error_docref(NULL, E_WARNING, "The first argument to copy() function cannot be a directory");
1713                 return FAILURE;
1714         }
1715 
1716         switch (php_stream_stat_path_ex(dest, PHP_STREAM_URL_STAT_QUIET | PHP_STREAM_URL_STAT_NOCACHE, &dest_s, ctx)) {
1717                 case -1:
1718                         /* non-statable stream */
1719                         goto safe_to_copy;
1720                         break;
1721                 case 0:
1722                         break;
1723                 default: /* failed to stat file, does not exist? */
1724                         return ret;
1725         }
1726         if (S_ISDIR(dest_s.sb.st_mode)) {
1727                 php_error_docref(NULL, E_WARNING, "The second argument to copy() function cannot be a directory");
1728                 return FAILURE;
1729         }
1730         if (!src_s.sb.st_ino || !dest_s.sb.st_ino) {
1731                 goto no_stat;
1732         }
1733         if (src_s.sb.st_ino == dest_s.sb.st_ino && src_s.sb.st_dev == dest_s.sb.st_dev) {
1734                 return ret;
1735         } else {
1736                 goto safe_to_copy;
1737         }
1738 no_stat:
1739         {
1740                 char *sp, *dp;
1741                 int res;
1742 
1743                 if ((sp = expand_filepath(src, NULL)) == NULL) {
1744                         return ret;
1745                 }
1746                 if ((dp = expand_filepath(dest, NULL)) == NULL) {
1747                         efree(sp);
1748                         goto safe_to_copy;
1749                 }
1750 
1751                 res =
1752 #ifndef PHP_WIN32
1753                         !strcmp(sp, dp);
1754 #else
1755                         !strcasecmp(sp, dp);
1756 #endif
1757 
1758                 efree(sp);
1759                 efree(dp);
1760                 if (res) {
1761                         return ret;
1762                 }
1763         }
1764 safe_to_copy:
1765 
1766         srcstream = php_stream_open_wrapper_ex(src, "rb", src_flg | REPORT_ERRORS, NULL, ctx);
1767 
1768         if (!srcstream) {
1769                 return ret;
1770         }
1771 
1772         deststream = php_stream_open_wrapper_ex(dest, "wb", REPORT_ERRORS, NULL, ctx);
1773 
1774         if (srcstream && deststream) {
1775                 ret = php_stream_copy_to_stream_ex(srcstream, deststream, PHP_STREAM_COPY_ALL, NULL);
1776         }
1777         if (srcstream) {
1778                 php_stream_close(srcstream);
1779         }
1780         if (deststream) {
1781                 php_stream_close(deststream);
1782         }
1783         return ret;
1784 }
1785 /* }}} */
1786 
1787 /* {{{ proto string fread(resource fp, int length)
1788    Binary-safe file read */
1789 PHPAPI PHP_FUNCTION(fread)
1790 {
1791         zval *res;
1792         zend_long len;
1793         php_stream *stream;
1794 
1795 #ifndef FAST_ZPP
1796         if (zend_parse_parameters(ZEND_NUM_ARGS(), "rl", &res, &len) == FAILURE) {
1797                 RETURN_FALSE;
1798         }
1799 #else
1800         ZEND_PARSE_PARAMETERS_START(2, 2)
1801                 Z_PARAM_RESOURCE(res)
1802                 Z_PARAM_LONG(len)
1803         ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
1804 #endif
1805 
1806         PHP_STREAM_TO_ZVAL(stream, res);
1807 
1808         if (len <= 0) {
1809                 php_error_docref(NULL, E_WARNING, "Length parameter must be greater than 0");
1810                 RETURN_FALSE;
1811         }
1812 
1813         ZVAL_NEW_STR(return_value, zend_string_alloc(len, 0));
1814         Z_STRLEN_P(return_value) = php_stream_read(stream, Z_STRVAL_P(return_value), len);
1815 
1816         /* needed because recv/read/gzread doesnt put a null at the end*/
1817         Z_STRVAL_P(return_value)[Z_STRLEN_P(return_value)] = 0;
1818 }
1819 /* }}} */
1820 
1821 static const char *php_fgetcsv_lookup_trailing_spaces(const char *ptr, size_t len, const char delimiter) /* {{{ */
1822 {
1823         int inc_len;
1824         unsigned char last_chars[2] = { 0, 0 };
1825 
1826         while (len > 0) {
1827                 inc_len = (*ptr == '\0' ? 1 : php_mblen(ptr, len));
1828                 switch (inc_len) {
1829                         case -2:
1830                         case -1:
1831                                 inc_len = 1;
1832                                 php_mb_reset();
1833                                 break;
1834                         case 0:
1835                                 goto quit_loop;
1836                         case 1:
1837                         default:
1838                                 last_chars[0] = last_chars[1];
1839                                 last_chars[1] = *ptr;
1840                                 break;
1841                 }
1842                 ptr += inc_len;
1843                 len -= inc_len;
1844         }
1845 quit_loop:
1846         switch (last_chars[1]) {
1847                 case '\n':
1848                         if (last_chars[0] == '\r') {
1849                                 return ptr - 2;
1850                         }
1851                         /* break is omitted intentionally */
1852                 case '\r':
1853                         return ptr - 1;
1854         }
1855         return ptr;
1856 }
1857 /* }}} */
1858 
1859 #define FPUTCSV_FLD_CHK(c) memchr(ZSTR_VAL(field_str), c, ZSTR_LEN(field_str))
1860 
1861 /* {{{ proto int fputcsv(resource fp, array fields [, string delimiter [, string enclosure [, string escape_char]]])
1862    Format line as CSV and write to file pointer */
1863 PHP_FUNCTION(fputcsv)
1864 {
1865         char delimiter = ',';    /* allow this to be set as parameter */
1866         char enclosure = '"';    /* allow this to be set as parameter */
1867         char escape_char = '\\'; /* allow this to be set as parameter */
1868         php_stream *stream;
1869         zval *fp = NULL, *fields = NULL;
1870         size_t ret;
1871         char *delimiter_str = NULL, *enclosure_str = NULL, *escape_str = NULL;
1872         size_t delimiter_str_len = 0, enclosure_str_len = 0, escape_str_len = 0;
1873 
1874         if (zend_parse_parameters(ZEND_NUM_ARGS(), "ra|sss",
1875                         &fp, &fields, &delimiter_str, &delimiter_str_len,
1876                         &enclosure_str, &enclosure_str_len,
1877                         &escape_str, &escape_str_len) == FAILURE) {
1878                 return;
1879         }
1880 
1881         if (delimiter_str != NULL) {
1882                 /* Make sure that there is at least one character in string */
1883                 if (delimiter_str_len < 1) {
1884                         php_error_docref(NULL, E_WARNING, "delimiter must be a character");
1885                         RETURN_FALSE;
1886                 } else if (delimiter_str_len > 1) {
1887                         php_error_docref(NULL, E_NOTICE, "delimiter must be a single character");
1888                 }
1889 
1890                 /* use first character from string */
1891                 delimiter = *delimiter_str;
1892         }
1893 
1894         if (enclosure_str != NULL) {
1895                 if (enclosure_str_len < 1) {
1896                         php_error_docref(NULL, E_WARNING, "enclosure must be a character");
1897                         RETURN_FALSE;
1898                 } else if (enclosure_str_len > 1) {
1899                         php_error_docref(NULL, E_NOTICE, "enclosure must be a single character");
1900                 }
1901                 /* use first character from string */
1902                 enclosure = *enclosure_str;
1903         }
1904 
1905         if (escape_str != NULL) {
1906                 if (escape_str_len < 1) {
1907                         php_error_docref(NULL, E_WARNING, "escape must be a character");
1908                         RETURN_FALSE;
1909                 } else if (escape_str_len > 1) {
1910                         php_error_docref(NULL, E_NOTICE, "escape must be a single character");
1911                 }
1912                 /* use first character from string */
1913                 escape_char = *escape_str;
1914         }
1915 
1916         PHP_STREAM_TO_ZVAL(stream, fp);
1917 
1918         ret = php_fputcsv(stream, fields, delimiter, enclosure, escape_char);
1919         RETURN_LONG(ret);
1920 }
1921 /* }}} */
1922 
1923 /* {{{ PHPAPI size_t php_fputcsv(php_stream *stream, zval *fields, char delimiter, char enclosure, char escape_char) */
1924 PHPAPI size_t php_fputcsv(php_stream *stream, zval *fields, char delimiter, char enclosure, char escape_char)
1925 {
1926         int count, i = 0;
1927         size_t ret;
1928         zval *field_tmp;
1929         smart_str csvline = {0};
1930 
1931         count = zend_hash_num_elements(Z_ARRVAL_P(fields));
1932         ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(fields), field_tmp) {
1933                 zend_string *field_str = zval_get_string(field_tmp);
1934 
1935                 /* enclose a field that contains a delimiter, an enclosure character, or a newline */
1936                 if (FPUTCSV_FLD_CHK(delimiter) ||
1937                         FPUTCSV_FLD_CHK(enclosure) ||
1938                         FPUTCSV_FLD_CHK(escape_char) ||
1939                         FPUTCSV_FLD_CHK('\n') ||
1940                         FPUTCSV_FLD_CHK('\r') ||
1941                         FPUTCSV_FLD_CHK('\t') ||
1942                         FPUTCSV_FLD_CHK(' ')
1943                 ) {
1944                         char *ch = ZSTR_VAL(field_str);
1945                         char *end = ch + ZSTR_LEN(field_str);
1946                         int escaped = 0;
1947 
1948                         smart_str_appendc(&csvline, enclosure);
1949                         while (ch < end) {
1950                                 if (*ch == escape_char) {
1951                                         escaped = 1;
1952                                 } else if (!escaped && *ch == enclosure) {
1953                                         smart_str_appendc(&csvline, enclosure);
1954                                 } else {
1955                                         escaped = 0;
1956                                 }
1957                                 smart_str_appendc(&csvline, *ch);
1958                                 ch++;
1959                         }
1960                         smart_str_appendc(&csvline, enclosure);
1961                 } else {
1962                         smart_str_append(&csvline, field_str);
1963                 }
1964 
1965                 if (++i != count) {
1966                         smart_str_appendl(&csvline, &delimiter, 1);
1967                 }
1968                 zend_string_release(field_str);
1969         } ZEND_HASH_FOREACH_END();
1970 
1971         smart_str_appendc(&csvline, '\n');
1972         smart_str_0(&csvline);
1973 
1974         ret = php_stream_write(stream, ZSTR_VAL(csvline.s), ZSTR_LEN(csvline.s));
1975 
1976         smart_str_free(&csvline);
1977 
1978         return ret;
1979 }
1980 /* }}} */
1981 
1982 /* {{{ proto array fgetcsv(resource fp [,int length [, string delimiter [, string enclosure [, string escape]]]])
1983    Get line from file pointer and parse for CSV fields */
1984 PHP_FUNCTION(fgetcsv)
1985 {
1986         char delimiter = ',';   /* allow this to be set as parameter */
1987         char enclosure = '"';   /* allow this to be set as parameter */
1988         char escape = '\\';
1989 
1990         /* first section exactly as php_fgetss */
1991 
1992         zend_long len = 0;
1993         size_t buf_len;
1994         char *buf;
1995         php_stream *stream;
1996 
1997         {
1998                 zval *fd, *len_zv = NULL;
1999                 char *delimiter_str = NULL;
2000                 size_t delimiter_str_len = 0;
2001                 char *enclosure_str = NULL;
2002                 size_t enclosure_str_len = 0;
2003                 char *escape_str = NULL;
2004                 size_t escape_str_len = 0;
2005 
2006                 if (zend_parse_parameters(ZEND_NUM_ARGS(), "r|zsss",
2007                         &fd, &len_zv, &delimiter_str, &delimiter_str_len,
2008                         &enclosure_str, &enclosure_str_len,
2009                         &escape_str, &escape_str_len) == FAILURE
2010                 ) {
2011                         return;
2012                 }
2013 
2014                 if (delimiter_str != NULL) {
2015                         /* Make sure that there is at least one character in string */
2016                         if (delimiter_str_len < 1) {
2017                                 php_error_docref(NULL, E_WARNING, "delimiter must be a character");
2018                                 RETURN_FALSE;
2019                         } else if (delimiter_str_len > 1) {
2020                                 php_error_docref(NULL, E_NOTICE, "delimiter must be a single character");
2021                         }
2022 
2023                         /* use first character from string */
2024                         delimiter = delimiter_str[0];
2025                 }
2026 
2027                 if (enclosure_str != NULL) {
2028                         if (enclosure_str_len < 1) {
2029                                 php_error_docref(NULL, E_WARNING, "enclosure must be a character");
2030                                 RETURN_FALSE;
2031                         } else if (enclosure_str_len > 1) {
2032                                 php_error_docref(NULL, E_NOTICE, "enclosure must be a single character");
2033                         }
2034 
2035                         /* use first character from string */
2036                         enclosure = enclosure_str[0];
2037                 }
2038 
2039                 if (escape_str != NULL) {
2040                         if (escape_str_len < 1) {
2041                                 php_error_docref(NULL, E_WARNING, "escape must be character");
2042                                 RETURN_FALSE;
2043                         } else if (escape_str_len > 1) {
2044                                 php_error_docref(NULL, E_NOTICE, "escape must be a single character");
2045                         }
2046 
2047                         escape = escape_str[0];
2048                 }
2049 
2050                 if (len_zv != NULL && Z_TYPE_P(len_zv) != IS_NULL) {
2051                         len = zval_get_long(len_zv);
2052                         if (len < 0) {
2053                                 php_error_docref(NULL, E_WARNING, "Length parameter may not be negative");
2054                                 RETURN_FALSE;
2055                         } else if (len == 0) {
2056                                 len = -1;
2057                         }
2058                 } else {
2059                         len = -1;
2060                 }
2061 
2062                 PHP_STREAM_TO_ZVAL(stream, fd);
2063         }
2064 
2065         if (len < 0) {
2066                 if ((buf = php_stream_get_line(stream, NULL, 0, &buf_len)) == NULL) {
2067                         RETURN_FALSE;
2068                 }
2069         } else {
2070                 buf = emalloc(len + 1);
2071                 if (php_stream_get_line(stream, buf, len + 1, &buf_len) == NULL) {
2072                         efree(buf);
2073                         RETURN_FALSE;
2074                 }
2075         }
2076 
2077         php_fgetcsv(stream, delimiter, enclosure, escape, buf_len, buf, return_value);
2078 }
2079 /* }}} */
2080 
2081 PHPAPI void php_fgetcsv(php_stream *stream, char delimiter, char enclosure, char escape_char, size_t buf_len, char *buf, zval *return_value) /* {{{ */
2082 {
2083         char *temp, *tptr, *bptr, *line_end, *limit;
2084         size_t temp_len, line_end_len;
2085         int inc_len;
2086         zend_bool first_field = 1;
2087 
2088         /* initialize internal state */
2089         php_mb_reset();
2090 
2091         /* Now into new section that parses buf for delimiter/enclosure fields */
2092 
2093         /* Strip trailing space from buf, saving end of line in case required for enclosure field */
2094 
2095         bptr = buf;
2096         tptr = (char *)php_fgetcsv_lookup_trailing_spaces(buf, buf_len, delimiter);
2097         line_end_len = buf_len - (size_t)(tptr - buf);
2098         line_end = limit = tptr;
2099 
2100         /* reserve workspace for building each individual field */
2101         temp_len = buf_len;
2102         temp = emalloc(temp_len + line_end_len + 1);
2103 
2104         /* Initialize return array */
2105         array_init(return_value);
2106 
2107         /* Main loop to read CSV fields */
2108         /* NB this routine will return a single null entry for a blank line */
2109 
2110         do {
2111                 char *comp_end, *hunk_begin;
2112 
2113                 tptr = temp;
2114 
2115                 inc_len = (bptr < limit ? (*bptr == '\0' ? 1 : php_mblen(bptr, limit - bptr)): 0);
2116                 if (inc_len == 1) {
2117                         char *tmp = bptr;
2118                         while ((*tmp != delimiter) && isspace((int)*(unsigned char *)tmp)) {
2119                                 tmp++;
2120                         }
2121                         if (*tmp == enclosure) {
2122                                 bptr = tmp;
2123                         }
2124                 }
2125 
2126                 if (first_field && bptr == line_end) {
2127                         add_next_index_null(return_value);
2128                         break;
2129                 }
2130                 first_field = 0;
2131                 /* 2. Read field, leaving bptr pointing at start of next field */
2132                 if (inc_len != 0 && *bptr == enclosure) {
2133                         int state = 0;
2134 
2135                         bptr++; /* move on to first character in field */
2136                         hunk_begin = bptr;
2137 
2138                         /* 2A. handle enclosure delimited field */
2139                         for (;;) {
2140                                 switch (inc_len) {
2141                                         case 0:
2142                                                 switch (state) {
2143                                                         case 2:
2144                                                                 memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
2145                                                                 tptr += (bptr - hunk_begin - 1);
2146                                                                 hunk_begin = bptr;
2147                                                                 goto quit_loop_2;
2148 
2149                                                         case 1:
2150                                                                 memcpy(tptr, hunk_begin, bptr - hunk_begin);
2151                                                                 tptr += (bptr - hunk_begin);
2152                                                                 hunk_begin = bptr;
2153                                                                 /* break is omitted intentionally */
2154 
2155                                                         case 0: {
2156                                                                 char *new_buf;
2157                                                                 size_t new_len;
2158                                                                 char *new_temp;
2159 
2160                                                                 if (hunk_begin != line_end) {
2161                                                                         memcpy(tptr, hunk_begin, bptr - hunk_begin);
2162                                                                         tptr += (bptr - hunk_begin);
2163                                                                         hunk_begin = bptr;
2164                                                                 }
2165 
2166                                                                 /* add the embedded line end to the field */
2167                                                                 memcpy(tptr, line_end, line_end_len);
2168                                                                 tptr += line_end_len;
2169 
2170                                                                 if (stream == NULL) {
2171                                                                         goto quit_loop_2;
2172                                                                 } else if ((new_buf = php_stream_get_line(stream, NULL, 0, &new_len)) == NULL) {
2173                                                                         /* we've got an unterminated enclosure,
2174                                                                          * assign all the data from the start of
2175                                                                          * the enclosure to end of data to the
2176                                                                          * last element */
2177                                                                         if ((size_t)temp_len > (size_t)(limit - buf)) {
2178                                                                                 goto quit_loop_2;
2179                                                                         }
2180                                                                         zval_dtor(return_value);
2181                                                                         RETVAL_FALSE;
2182                                                                         goto out;
2183                                                                 }
2184                                                                 temp_len += new_len;
2185                                                                 new_temp = erealloc(temp, temp_len);
2186                                                                 tptr = new_temp + (size_t)(tptr - temp);
2187                                                                 temp = new_temp;
2188 
2189                                                                 efree(buf);
2190                                                                 buf_len = new_len;
2191                                                                 bptr = buf = new_buf;
2192                                                                 hunk_begin = buf;
2193 
2194                                                                 line_end = limit = (char *)php_fgetcsv_lookup_trailing_spaces(buf, buf_len, delimiter);
2195                                                                 line_end_len = buf_len - (size_t)(limit - buf);
2196 
2197                                                                 state = 0;
2198                                                         } break;
2199                                                 }
2200                                                 break;
2201 
2202                                         case -2:
2203                                         case -1:
2204                                                 php_mb_reset();
2205                                                 /* break is omitted intentionally */
2206                                         case 1:
2207                                                 /* we need to determine if the enclosure is
2208                                                  * 'real' or is it escaped */
2209                                                 switch (state) {
2210                                                         case 1: /* escaped */
2211                                                                 bptr++;
2212                                                                 state = 0;
2213                                                                 break;
2214                                                         case 2: /* embedded enclosure ? let's check it */
2215                                                                 if (*bptr != enclosure) {
2216                                                                         /* real enclosure */
2217                                                                         memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
2218                                                                         tptr += (bptr - hunk_begin - 1);
2219                                                                         hunk_begin = bptr;
2220                                                                         goto quit_loop_2;
2221                                                                 }
2222                                                                 memcpy(tptr, hunk_begin, bptr - hunk_begin);
2223                                                                 tptr += (bptr - hunk_begin);
2224                                                                 bptr++;
2225                                                                 hunk_begin = bptr;
2226                                                                 state = 0;
2227                                                                 break;
2228                                                         default:
2229                                                                 if (*bptr == enclosure) {
2230                                                                         state = 2;
2231                                                                 } else if (*bptr == escape_char) {
2232                                                                         state = 1;
2233                                                                 }
2234                                                                 bptr++;
2235                                                                 break;
2236                                                 }
2237                                                 break;
2238 
2239                                         default:
2240                                                 switch (state) {
2241                                                         case 2:
2242                                                                 /* real enclosure */
2243                                                                 memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
2244                                                                 tptr += (bptr - hunk_begin - 1);
2245                                                                 hunk_begin = bptr;
2246                                                                 goto quit_loop_2;
2247                                                         case 1:
2248                                                                 bptr += inc_len;
2249                                                                 memcpy(tptr, hunk_begin, bptr - hunk_begin);
2250                                                                 tptr += (bptr - hunk_begin);
2251                                                                 hunk_begin = bptr;
2252                                                                 break;
2253                                                         default:
2254                                                                 bptr += inc_len;
2255                                                                 break;
2256                                                 }
2257                                                 break;
2258                                 }
2259                                 inc_len = (bptr < limit ? (*bptr == '\0' ? 1 : php_mblen(bptr, limit - bptr)): 0);
2260                         }
2261 
2262                 quit_loop_2:
2263                         /* look up for a delimiter */
2264                         for (;;) {
2265                                 switch (inc_len) {
2266                                         case 0:
2267                                                 goto quit_loop_3;
2268 
2269                                         case -2:
2270                                         case -1:
2271                                                 inc_len = 1;
2272                                                 php_mb_reset();
2273                                                 /* break is omitted intentionally */
2274                                         case 1:
2275                                                 if (*bptr == delimiter) {
2276                                                         goto quit_loop_3;
2277                                                 }
2278                                                 break;
2279                                         default:
2280                                                 break;
2281                                 }
2282                                 bptr += inc_len;
2283                                 inc_len = (bptr < limit ? (*bptr == '\0' ? 1 : php_mblen(bptr, limit - bptr)): 0);
2284                         }
2285 
2286                 quit_loop_3:
2287                         memcpy(tptr, hunk_begin, bptr - hunk_begin);
2288                         tptr += (bptr - hunk_begin);
2289                         bptr += inc_len;
2290                         comp_end = tptr;
2291                 } else {
2292                         /* 2B. Handle non-enclosure field */
2293 
2294                         hunk_begin = bptr;
2295 
2296                         for (;;) {
2297                                 switch (inc_len) {
2298                                         case 0:
2299                                                 goto quit_loop_4;
2300                                         case -2:
2301                                         case -1:
2302                                                 inc_len = 1;
2303                                                 php_mb_reset();
2304                                                 /* break is omitted intentionally */
2305                                         case 1:
2306                                                 if (*bptr == delimiter) {
2307                                                         goto quit_loop_4;
2308                                                 }
2309                                                 break;
2310                                         default:
2311                                                 break;
2312                                 }
2313                                 bptr += inc_len;
2314                                 inc_len = (bptr < limit ? (*bptr == '\0' ? 1 : php_mblen(bptr, limit - bptr)): 0);
2315                         }
2316                 quit_loop_4:
2317                         memcpy(tptr, hunk_begin, bptr - hunk_begin);
2318                         tptr += (bptr - hunk_begin);
2319 
2320                         comp_end = (char *)php_fgetcsv_lookup_trailing_spaces(temp, tptr - temp, delimiter);
2321                         if (*bptr == delimiter) {
2322                                 bptr++;
2323                         }
2324                 }
2325 
2326                 /* 3. Now pass our field back to php */
2327                 *comp_end = '\0';
2328                 add_next_index_stringl(return_value, temp, comp_end - temp);
2329         } while (inc_len > 0);
2330 
2331 out:
2332         efree(temp);
2333         if (stream) {
2334                 efree(buf);
2335         }
2336 }
2337 /* }}} */
2338 
2339 #if (!defined(__BEOS__) && !defined(NETWARE) && HAVE_REALPATH) || defined(ZTS)
2340 /* {{{ proto string realpath(string path)
2341    Return the resolved path */
2342 PHP_FUNCTION(realpath)
2343 {
2344         char *filename;
2345         size_t filename_len;
2346         char resolved_path_buff[MAXPATHLEN];
2347 
2348 #ifndef FAST_ZPP
2349         if (zend_parse_parameters(ZEND_NUM_ARGS(), "p", &filename, &filename_len) == FAILURE) {
2350                 return;
2351         }
2352 #else
2353         ZEND_PARSE_PARAMETERS_START(1, 1)
2354                 Z_PARAM_PATH(filename, filename_len)
2355         ZEND_PARSE_PARAMETERS_END();
2356 #endif
2357 
2358         if (VCWD_REALPATH(filename, resolved_path_buff)) {
2359                 if (php_check_open_basedir(resolved_path_buff)) {
2360                         RETURN_FALSE;
2361                 }
2362 
2363 #ifdef ZTS
2364                 if (VCWD_ACCESS(resolved_path_buff, F_OK)) {
2365                         RETURN_FALSE;
2366                 }
2367 #endif
2368                 RETURN_STRING(resolved_path_buff);
2369         } else {
2370                 RETURN_FALSE;
2371         }
2372 }
2373 /* }}} */
2374 #endif
2375 
2376 /* See http://www.w3.org/TR/html4/intro/sgmltut.html#h-3.2.2 */
2377 #define PHP_META_HTML401_CHARS "-_.:"
2378 
2379 /* {{{ php_next_meta_token
2380    Tokenizes an HTML file for get_meta_tags */
2381 php_meta_tags_token php_next_meta_token(php_meta_tags_data *md)
2382 {
2383         int ch = 0, compliment;
2384         char buff[META_DEF_BUFSIZE + 1];
2385 
2386         memset((void *)buff, 0, META_DEF_BUFSIZE + 1);
2387 
2388         while (md->ulc || (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)))) {
2389                 if (php_stream_eof(md->stream)) {
2390                         break;
2391                 }
2392 
2393                 if (md->ulc) {
2394                         ch = md->lc;
2395                         md->ulc = 0;
2396                 }
2397 
2398                 switch (ch) {
2399                         case '<':
2400                                 return TOK_OPENTAG;
2401                                 break;
2402 
2403                         case '>':
2404                                 return TOK_CLOSETAG;
2405                                 break;
2406 
2407                         case '=':
2408                                 return TOK_EQUAL;
2409                                 break;
2410                         case '/':
2411                                 return TOK_SLASH;
2412                                 break;
2413 
2414                         case '\'':
2415                         case '"':
2416                                 compliment = ch;
2417                                 md->token_len = 0;
2418                                 while (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)) && ch != compliment && ch != '<' && ch != '>') {
2419                                         buff[(md->token_len)++] = ch;
2420 
2421                                         if (md->token_len == META_DEF_BUFSIZE) {
2422                                                 break;
2423                                         }
2424                                 }
2425 
2426                                 if (ch == '<' || ch == '>') {
2427                                         /* Was just an apostrohpe */
2428                                         md->ulc = 1;
2429                                         md->lc = ch;
2430                                 }
2431 
2432                                 /* We don't need to alloc unless we are in a meta tag */
2433                                 if (md->in_meta) {
2434                                         md->token_data = (char *) emalloc(md->token_len + 1);
2435                                         memcpy(md->token_data, buff, md->token_len+1);
2436                                 }
2437 
2438                                 return TOK_STRING;
2439                                 break;
2440 
2441                         case '\n':
2442                         case '\r':
2443                         case '\t':
2444                                 break;
2445 
2446                         case ' ':
2447                                 return TOK_SPACE;
2448                                 break;
2449 
2450                         default:
2451                                 if (isalnum(ch)) {
2452                                         md->token_len = 0;
2453                                         buff[(md->token_len)++] = ch;
2454                                         while (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)) && (isalnum(ch) || strchr(PHP_META_HTML401_CHARS, ch))) {
2455                                                 buff[(md->token_len)++] = ch;
2456 
2457                                                 if (md->token_len == META_DEF_BUFSIZE) {
2458                                                         break;
2459                                                 }
2460                                         }
2461 
2462                                         /* This is ugly, but we have to replace ungetc */
2463                                         if (!isalpha(ch) && ch != '-') {
2464                                                 md->ulc = 1;
2465                                                 md->lc = ch;
2466                                         }
2467 
2468                                         md->token_data = (char *) emalloc(md->token_len + 1);
2469                                         memcpy(md->token_data, buff, md->token_len+1);
2470 
2471                                         return TOK_ID;
2472                                 } else {
2473                                         return TOK_OTHER;
2474                                 }
2475                                 break;
2476                 }
2477         }
2478 
2479         return TOK_EOF;
2480 }
2481 /* }}} */
2482 
2483 #ifdef HAVE_FNMATCH
2484 /* {{{ proto bool fnmatch(string pattern, string filename [, int flags])
2485    Match filename against pattern */
2486 PHP_FUNCTION(fnmatch)
2487 {
2488         char *pattern, *filename;
2489         size_t pattern_len, filename_len;
2490         zend_long flags = 0;
2491 
2492         if (zend_parse_parameters(ZEND_NUM_ARGS(), "pp|l", &pattern, &pattern_len, &filename, &filename_len, &flags) == FAILURE) {
2493                 return;
2494         }
2495 
2496         if (filename_len >= MAXPATHLEN) {
2497                 php_error_docref(NULL, E_WARNING, "Filename exceeds the maximum allowed length of %d characters", MAXPATHLEN);
2498                 RETURN_FALSE;
2499         }
2500         if (pattern_len >= MAXPATHLEN) {
2501                 php_error_docref(NULL, E_WARNING, "Pattern exceeds the maximum allowed length of %d characters", MAXPATHLEN);
2502                 RETURN_FALSE;
2503         }
2504 
2505         RETURN_BOOL( ! fnmatch( pattern, filename, (int)flags ));
2506 }
2507 /* }}} */
2508 #endif
2509 
2510 /* {{{ proto string sys_get_temp_dir()
2511    Returns directory path used for temporary files */
2512 PHP_FUNCTION(sys_get_temp_dir)
2513 {
2514         if (zend_parse_parameters_none() == FAILURE) {
2515                 return;
2516         }
2517         RETURN_STRING((char *)php_get_temporary_directory());
2518 }
2519 /* }}} */
2520 
2521 /*
2522  * Local variables:
2523  * tab-width: 4
2524  * c-basic-offset: 4
2525  * End:
2526  * vim600: noet sw=4 ts=4 fdm=marker
2527  * vim<600: noet sw=4 ts=4
2528  */

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