[3/*] Use strchrnul for strcspn (x, "c")
Commit Message
A loop there is clearly suboptimal. We improve performance by using
strchrnul equivalent.
OK to commit?
* string/bits/string2.h (__strcspn_c1): Optimize with __strchrnul.
@@ -277,10 +277,7 @@ __STRING_INLINE size_t __strcspn_c1 (const char *__s, int __reject);
__STRING_INLINE size_t
__strcspn_c1 (const char *__s, int __reject)
{
- size_t __result = 0;
- while (__s[__result] != '\0' && __s[__result] != __reject)
- ++__result;
- return __result;
+ return __strchrnul (__s, __reject) - __s;
}
__STRING_INLINE size_t __strcspn_c2 (const char *__s, int __reject1,