Originally committed as revision 9390 to svn://svn.ffmpeg.org/ffmpeg/trunk
* set to the next character in 'str' after the prefix.
*
* @param str input string
- * @param val prefix to test
+ * @param pfx prefix to test
* @param ptr updated after the prefix in str in there is a match
* @return TRUE if there is a match
*/
-int strstart(const char *str, const char *val, const char **ptr)
+int strstart(const char *str, const char *pfx, const char **ptr)
{
- const char *p, *q;
- p = str;
- q = val;
- while (*q != '\0') {
- if (*p != *q)
- return 0;
- p++;
- q++;
- }
- if (ptr)
- *ptr = p;
- return 1;
+ while (*pfx && *pfx++ == *str++);
+ if (!*pfx && ptr)
+ *ptr = str;
+ return !*pfx;
}
/**