andrei          Tue Jun 22 18:20:39 2004 EDT

  Modified files:              (Branch: PHP_4_3)
    /php-src    NEWS 
    /php-src/ext/pcre   php_pcre.c 
  Log:
  pcre_info() is deprecated. Hence, update to pcre_fullinfo() and do more
  rigorous checking of return values.
  
  
http://cvs.php.net/diff.php/php-src/NEWS?r1=1.1247.2.685&r2=1.1247.2.686&ty=u
Index: php-src/NEWS
diff -u php-src/NEWS:1.1247.2.685 php-src/NEWS:1.1247.2.686
--- php-src/NEWS:1.1247.2.685   Tue Jun 22 11:55:05 2004
+++ php-src/NEWS        Tue Jun 22 18:20:38 2004
@@ -1,6 +1,7 @@
 PHP 4                                                                      NEWS
 |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 ?? ??? 2004, Version 4.3.8
+- Updated PCRE to provide better error handling in certain cases. (Andrei)
 - Fixed bug #28868 (Internal wrapper registry not thread safe). (Sara)
 - Fixed bug #28818 (Apache 2 sapis do not export st_dev).
   (xuefer at 21cn dot com, Ilia).
http://cvs.php.net/diff.php/php-src/ext/pcre/php_pcre.c?r1=1.132.2.17&r2=1.132.2.18&ty=u
Index: php-src/ext/pcre/php_pcre.c
diff -u php-src/ext/pcre/php_pcre.c:1.132.2.17 php-src/ext/pcre/php_pcre.c:1.132.2.18
--- php-src/ext/pcre/php_pcre.c:1.132.2.17      Fri Apr 23 13:51:39 2004
+++ php-src/ext/pcre/php_pcre.c Tue Jun 22 18:20:38 2004
@@ -16,7 +16,7 @@
    +----------------------------------------------------------------------+
  */
 
-/* $Id: php_pcre.c,v 1.132.2.17 2004/04/23 17:51:39 rasmus Exp $ */
+/* $Id: php_pcre.c,v 1.132.2.18 2004/06/22 22:20:38 andrei Exp $ */
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
@@ -347,7 +347,7 @@
        const char         **stringlist;                /* Holds list of subpatterns */
        char                    *match;                         /* The current match */
        char               **subpat_names = NULL;/* Array for named subpatterns */
-       int                              i;
+       int                              i, rc;
        
        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, ((global) ? "ssz|ll" : 
"ss|zll"), &regex, &regex_len,
                                                          &subject, &subject_len, 
&subpats, &flags, &start_offset) == FAILURE) {
@@ -393,7 +393,12 @@
        }
 
        /* Calculate the size of the offsets array, and allocate memory for it. */
-       pcre_fullinfo(re, extra, PCRE_INFO_CAPTURECOUNT, &num_subpats);
+       rc = pcre_fullinfo(re, extra, PCRE_INFO_CAPTURECOUNT, &num_subpats);
+       if (rc < 0) {
+               php_error(E_WARNING, "%s: internal pcre_fullinfo() error %d",
+                                 get_active_function_name(TSRMLS_C), rc);
+               RETURN_FALSE;
+       }
        num_subpats++;
        size_offsets = num_subpats * 3;
        offsets = (int *)safe_emalloc(size_offsets, sizeof(int), 0);
@@ -410,10 +415,22 @@
                char *name_table;
                unsigned short name_idx;
 
-               pcre_fullinfo(re, extra, PCRE_INFO_NAMECOUNT, &name_cnt);
+               rc = pcre_fullinfo(re, extra, PCRE_INFO_NAMECOUNT, &name_cnt);
+               if (rc < 0) {
+                       php_error(E_WARNING, "%s: internal pcre_fullinfo() error %d",
+                                         get_active_function_name(TSRMLS_C), rc);
+                       RETURN_FALSE;
+               }
                if (name_cnt > 0) {
-                       pcre_fullinfo(re, extra, PCRE_INFO_NAMETABLE, &name_table);
-                       pcre_fullinfo(re, extra, PCRE_INFO_NAMEENTRYSIZE, &name_size);
+                       int rc1, rc2;
+                       rc1 = pcre_fullinfo(re, extra, PCRE_INFO_NAMETABLE, 
&name_table);
+                       rc2 = pcre_fullinfo(re, extra, PCRE_INFO_NAMEENTRYSIZE, 
&name_size);
+                       rc = rc2 ? rc2 : rc1;
+                       if (rc < 0) {
+                               php_error(E_WARNING, "%s: internal pcre_fullinfo() 
error %d",
+                                                 get_active_function_name(TSRMLS_C), 
rc);
+                               RETURN_FALSE;
+                       }
 
                        while (ni++ < name_cnt) {
                                name_idx = 0xff * name_table[0] + name_table[1];
@@ -782,6 +799,7 @@
                                        *replace_end=NULL,      /* End of replacement 
string */
                                        *eval_result,           /* Result of eval or 
custom function */
                                         walk_last;                     /* Last walked 
character */
+       int                              rc;
 
        /* Compile regex or get it from cache. */
        if ((re = pcre_get_compiled_regex(regex, &extra, &preg_options)) == NULL) {
@@ -801,7 +819,13 @@
        }
 
        /* Calculate the size of the offsets array, and allocate memory for it. */
-       size_offsets = (pcre_info(re, NULL, NULL) + 1) * 3;
+       rc = pcre_fullinfo(re, extra, PCRE_INFO_CAPTURECOUNT, &size_offsets);
+       if (rc < 0) {
+               php_error(E_WARNING, "%s: internal pcre_fullinfo() error %d",
+                                 get_active_function_name(TSRMLS_C), rc);
+               return NULL;
+       }
+       size_offsets = (size_offsets + 1) * 3;
        offsets = (int *)safe_emalloc(size_offsets, sizeof(int), 0);
        
        alloc_len = 2 * subject_len + 1;
@@ -1165,6 +1189,7 @@
        int                              g_notempty = 0;        /* If the match should 
not be empty */
        char                    *match,                         /* The current match */
                                        *last_match;            /* Location of last 
match */
+       int                              rc;
 
        /* Get function parameters and do error checking */     
        argc = ZEND_NUM_ARGS();
@@ -1199,7 +1224,13 @@
        array_init(return_value);
 
        /* Calculate the size of the offsets array, and allocate memory for it. */
-       size_offsets = (pcre_info(re, NULL, NULL) + 1) * 3;
+       rc = pcre_fullinfo(re, extra, PCRE_INFO_CAPTURECOUNT, &size_offsets);
+       if (rc < 0) {
+               php_error(E_WARNING, "%s: internal pcre_fullinfo() error %d",
+                                 get_active_function_name(TSRMLS_C), rc);
+               RETURN_FALSE;
+       }
+       size_offsets = (size_offsets + 1) * 3;
        offsets = (int *)safe_emalloc(size_offsets, sizeof(int), 0);
        
        /* Start at the beginning of the string */
@@ -1406,6 +1437,7 @@
        ulong                    num_key;
        zend_bool                invert = 0;            /* Whether to return 
non-matching
                                                                                   
entries */
+       int                              rc;
        
        /* Get arguments and do error checking */
        
@@ -1435,7 +1467,13 @@
        }
 
        /* Calculate the size of the offsets array, and allocate memory for it. */
-       size_offsets = (pcre_info(re, NULL, NULL) + 1) * 3;
+       rc = pcre_fullinfo(re, extra, PCRE_INFO_CAPTURECOUNT, &size_offsets);
+       if (rc < 0) {
+               php_error(E_WARNING, "%s: internal pcre_fullinfo() error %d",
+                                 get_active_function_name(TSRMLS_C), rc);
+               RETURN_FALSE;
+       }
+       size_offsets = (size_offsets + 1) * 3;
        offsets = (int *)safe_emalloc(size_offsets, sizeof(int), 0);
        
        /* Initialize return array */

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