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-rw-r--r--lib/string.c25
1 files changed, 6 insertions, 19 deletions
diff --git a/lib/string.c b/lib/string.c
index 485777c9da83..6f334420f687 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -517,21 +517,13 @@ EXPORT_SYMBOL(strnlen);
size_t strspn(const char *s, const char *accept)
{
const char *p;
- const char *a;
- size_t count = 0;
for (p = s; *p != '\0'; ++p) {
- for (a = accept; *a != '\0'; ++a) {
- if (*p == *a)
- break;
- }
- if (*a == '\0')
- return count;
- ++count;
+ if (!strchr(accept, *p))
+ break;
}
- return count;
+ return p - s;
}
-
EXPORT_SYMBOL(strspn);
#endif
@@ -544,17 +536,12 @@ EXPORT_SYMBOL(strspn);
size_t strcspn(const char *s, const char *reject)
{
const char *p;
- const char *r;
- size_t count = 0;
for (p = s; *p != '\0'; ++p) {
- for (r = reject; *r != '\0'; ++r) {
- if (*p == *r)
- return count;
- }
- ++count;
+ if (strchr(reject, *p))
+ break;
}
- return count;
+ return p - s;
}
EXPORT_SYMBOL(strcspn);
#endif