2 * arch/arm/boot/compressed/string.c
4 * Small subset of simple string routines
7 #include <linux/string.h>
9 void *memcpy(void *__dest, __const void *__src, size_t __n)
12 unsigned char *d = (unsigned char *)__dest, *s = (unsigned char *)__src;
14 for (i = __n >> 3; i > 0; i--) {
43 void *memmove(void *__dest, __const void *__src, size_t count)
45 unsigned char *d = __dest;
46 const unsigned char *s = __src;
52 return memcpy(__dest, __src, count);
59 size_t strlen(const char *s)
68 size_t strnlen(const char *s, size_t count)
72 for (sc = s; count-- && *sc != '\0'; ++sc)
77 int memcmp(const void *cs, const void *ct, size_t count)
79 const unsigned char *su1 = cs, *su2 = ct, *end = su1 + count;
83 res = *su1++ - *su2++;
90 int strcmp(const char *cs, const char *ct)
105 void *memchr(const void *s, int c, size_t count)
107 const unsigned char *p = s;
110 if ((unsigned char)c == *p++)
111 return (void *)(p - 1);
115 char *strchr(const char *s, int c)
117 while (*s != (char)c)
125 void *memset(void *s, int c, size_t count)
133 void __memzero(void *s, size_t count)