diff options
Diffstat (limited to 'ext/pcre/php_pcre.c')
| -rw-r--r-- | ext/pcre/php_pcre.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/ext/pcre/php_pcre.c b/ext/pcre/php_pcre.c index 2d75bc2f3e..11b74b45b3 100644 --- a/ext/pcre/php_pcre.c +++ b/ext/pcre/php_pcre.c @@ -1082,7 +1082,11 @@ PHPAPI zend_string *php_pcre_replace_impl(pcre_cache_entry *pce, zend_string *su /* Calculate the size of the offsets array, and allocate memory for it. */ num_subpats = pce->capture_count + 1; size_offsets = num_subpats * 3; - offsets = (int *)do_alloca_ex(size_offsets * sizeof(int), 32 * sizeof(int), use_heap); + if (size_offsets <= 32) { + offsets = (int *)do_alloca(size_offsets * sizeof(int), use_heap); + } else { + offsets = (int *)safe_emalloc(size_offsets, sizeof(int), 0); + } /* * Build a mapping from subpattern numbers to their names. We will @@ -1279,7 +1283,11 @@ PHPAPI zend_string *php_pcre_replace_impl(pcre_cache_entry *pce, zend_string *su start_offset = offsets[1]; } - free_alloca(offsets, use_heap); + if (size_offsets <= 32) { + free_alloca(offsets, use_heap); + } else { + efree(offsets); + } if (UNEXPECTED(subpat_names)) { efree(subpat_names); } |