Remove old code

Signed-off-by: Richard Qin <richard.qin.x@gmail.com>

1 files changed, 0 insertions, 23 deletions

diff --git a/lib/string/strspn.c b/lib/string/strspn.c
deleted file mode 100644
index f27710d..0000000
--- a/lib/string/strspn.c
+++ /dev/null
@@ -1,23 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/* Derived from musl libc (Copyright © 2005-2020 Rich Felker, et al.) */
-
-#include <string.h>
-
-#define BITOP(a,b,op) \
- ((a)[(size_t)(b)/(8*sizeof *(a))] op (size_t)1<<((size_t)(b)%(8*sizeof *(a))))
-
-size_t strspn(const char *s, const char *c)
-{
-	const char *a = s;
-	size_t byteset[32/sizeof(size_t)] = { 0 };
-
-	if (!c[0]) return 0;
-	if (!c[1]) {
-		for (; *s == *c; s++);
-		return s-a;
-	}
-
-	for (; *c && BITOP(byteset, *(unsigned char *)c, |=); c++);
-	for (; *s && BITOP(byteset, *(unsigned char *)s, &); s++);
-	return s-a;
-}