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authorEric Andersen <andersen@codepoet.org>2001-06-01 16:31:08 +0000
committerEric Andersen <andersen@codepoet.org>2001-06-01 16:31:08 +0000
commit06777c5b96ee377bb96e067effce5ca0ad1d3fa8 (patch)
tree806163dbb5a97f07dadc3acd432d4566fac65769
parent75b012d74e1c0be94d4ea16f4d74ad620fc7bb34 (diff)
decouple this from strchr
-rw-r--r--libc/string/strcspn.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/libc/string/strcspn.c b/libc/string/strcspn.c
index b383b559a..4b698b55e 100644
--- a/libc/string/strcspn.c
+++ b/libc/string/strcspn.c
@@ -22,13 +22,17 @@
which contains no characters from REJECT. */
size_t strcspn( const char *s, const char *reject)
{
- size_t count = 0;
+ register char *scan1;
+ register char *scan2;
+ size_t int count;
- while (*s != '\0')
- if (strchr(reject, *s++) == NULL)
- ++count;
- else
- return count;
-
- return count;
+ count = 0;
+ for (scan1 = s; *scan1 != '\0'; scan1++) {
+ for (scan2 = reject; *scan2 != '\0';) /* ++ moved down. */
+ if (*scan1 == *scan2++)
+ return(count);
+ count++;
+ }
+ return(count);
}
+