scc

commit 391c2dacb748852e77bfe811556b145ecdda684b
parent bbb33960d11eacc45a1ea00d60bf46a39ae9693b
Author: Roberto E. Vargas Caballero <k0ga@shike2.net>
Date:   Tue, 25 Mar 2025 18:36:39 +0100

libc/string: Improve memchr()

No need to increment something to decrement it later.

Diffstat:
M
src/libc/string/memchr.c
 | 
6
+++---

1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/libc/string/memchr.c b/src/libc/string/memchr.c
@@ -7,7 +7,7 @@ memchr(const void *s, int c, size_t n)
 {
 	unsigned char *bp = (unsigned char *) s;
 
-	while (n > 0 && *bp++ != c)
-		--n;
-	return (n == 0) ? NULL : bp-1;
+	for ( ; n > 0 && *bp != c; n--)
+		++bp;
+	return (n == 0) ? NULL : bp;
 }