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tsrm_win32_get_path_sid_key might returns NULL (Partially fix bug #71752)

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cherry-picked from 7d5f71b0b1
This commit is contained in:
Xinchen Hui
2016-03-10 14:24:13 +08:00
committed by Anatol Belski
parent 915a3762ef
commit 67f0770036
1 changed files with 3 additions and 1 deletions
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4
Zend/zend_virtual_cwd.c
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@@ -587,12 +587,14 @@ static inline unsigned long realpath_cache_key(const char *path, int path_len TS
register unsigned long h;
char *bucket_key_start = tsrm_win32_get_path_sid_key(path TSRMLS_CC);
char *bucket_key = (char *)bucket_key_start;
const char *e = bucket_key + strlen(bucket_key);
const char *e;
if (!bucket_key) {
return 0;
}
e = bucket_key + strlen(bucket_key);
for (h = 2166136261U; bucket_key < e;) {
h *= 16777619;
h ^= *bucket_key++;