diff options
Diffstat (limited to 'src/string/strcspn.c')
| -rw-r--r-- | src/string/strcspn.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/string/strcspn.c b/src/string/strcspn.c index c843ff97..cfdba114 100644 --- a/src/string/strcspn.c +++ b/src/string/strcspn.c @@ -3,13 +3,14 @@ #define BITOP(a,b,op) \ ((a)[(size_t)(b)/(8*sizeof *(a))] op (size_t)1<<((size_t)(b)%(8*sizeof *(a)))) +char *__strchrnul(const char *, int); + size_t strcspn(const char *s, const char *c) { const char *a = s; size_t byteset[32/sizeof(size_t)]; - if (!c[0]) return strlen(s); - if (!c[1]) return (s=strchr(s, *c)) ? s-a : strlen(a); + if (!c[0] || !c[1]) return __strchrnul(s, *c)-a; memset(byteset, 0, sizeof byteset); for (; *c && BITOP(byteset, *(unsigned char *)c, |=); c++); |