Changeset 3207 for pjproject/trunk/pjlib/src/pj/string.c

Timestamp:

Jun 16, 2010 2:49:37 PM (14 years ago)

Author:

bennylp

Message:

Misc (re #1068): fixed possible reading string beyond the buffer in pj_strltrim() if the string only contains whitespaces (thanks Jones Desougi for the report)

File:

• pjproject/trunk/pjlib/src/pj/string.c (modified) (1 diff)

pjproject/trunk/pjlib/src/pj/string.c

@@ -70 +70 @@
 PJ_DEF(pj_str_t*) pj_strltrim( pj_str_t *str )
 {
+    char *end = str->ptr + str->slen;
     register char *p = str->ptr;
-    while (pj_isspace(*p))
+    while (p < end && pj_isspace(*p))
         ++p;
     str->slen -= (p - str->ptr);