Remove old code

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

1 files changed, 0 insertions, 31 deletions

diff --git a/lib/string/strchrnul.c b/lib/string/strchrnul.c
deleted file mode 100644
index 6fc86d1..0000000
--- a/lib/string/strchrnul.c
+++ /dev/null
@@ -1,31 +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)
-
-char *__strchrnul(const char *s, int c)
-{
-	c = (unsigned char)c;
-	if (!c) return (char *)s + strlen(s);
-
-#ifdef __GNUC__
-	typedef size_t __attribute__((__may_alias__)) word;
-	const word *w;
-	for (; (uintptr_t)s % ALIGN; s++)
-		if (!*s || *(unsigned char *)s == c) return (char *)s;
-	size_t k = ONES * c;
-	for (w = (void *)s; !HASZERO(*w) && !HASZERO(*w^k); w++);
-	s = (void *)w;
-#endif
-	for (; *s && *(unsigned char *)s != c; s++);
-	return (char *)s;
-}
-
-weak_alias(__strchrnul, strchrnul);