mailing list of musl libc

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
 #include <stddef.h>
#include <stdint.h>
#include <string.h>
#include "word.h"

/**
 * strlen - Word sized c standard strlen.
 * @s: Source
 */
size_t strlen(const char *s)
{
	const char *z = s;
	const size_t *w;

	for (; (uintptr_t)s % sizeof(size_t); s++)
		if (!*s) return s - z;

	for (w = (const size_t *)s; !word_has_zero(*w); w++);
	for (s = (const char *)w; *s; s++);

	return s - z;
}