Remove old code

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

1 files changed, 0 insertions, 25 deletions

diff --git a/lib/string/strlen.c b/lib/string/strlen.c
deleted file mode 100644
index 76e14f2..0000000
--- a/lib/string/strlen.c
+++ /dev/null
@@ -1,25 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/* Derived from musl libc (Copyright © 2005-2020 Rich Felker, et al.) */
-
-#include <string.h>
-#include <stdint.h>
-#include <limits.h>
-
-#define ALIGN (sizeof(size_t))
-#define ONES ((size_t)-1/UCHAR_MAX)
-#define HIGHS (ONES * (UCHAR_MAX/2+1))
-#define HASZERO(x) ((x)-ONES & ~(x) & HIGHS)
-
-size_t strlen(const char *s)
-{
-	const char *a = s;
-#ifdef __GNUC__
-	typedef size_t __attribute__((__may_alias__)) word;
-	const word *w;
-	for (; (uintptr_t)s % ALIGN; s++) if (!*s) return s-a;
-	for (w = (const void *)s; !HASZERO(*w); w++);
-	s = (const void *)w;
-#endif
-	for (; *s; s++);
-	return s-a;
-}