*/
size_t strlen(const char *s)
{
-#if __GNUC__ < 4
return __strend(s) - s;
-#else
- return __builtin_strlen(s);
-#endif
}
EXPORT_SYMBOL(strlen);
*/
char *strcpy(char *dest, const char *src)
{
-#if __GNUC__ < 4
register int r0 asm("0") = 0;
char *ret = dest;
: "+&a" (dest), "+&a" (src) : "d" (r0)
: "cc", "memory" );
return ret;
-#else
- return __builtin_strcpy(dest, src);
-#endif
}
EXPORT_SYMBOL(strcpy);
if (size) {
size_t len = (ret >= size) ? size-1 : ret;
dest[len] = '\0';
- __builtin_memcpy(dest, src, len);
+ memcpy(dest, src, len);
}
return ret;
}
char *strncpy(char *dest, const char *src, size_t n)
{
size_t len = __strnend(src, n) - src;
- __builtin_memset(dest + len, 0, n - len);
- __builtin_memcpy(dest, src, len);
+ memset(dest + len, 0, n - len);
+ memcpy(dest, src, len);
return dest;
}
EXPORT_SYMBOL(strncpy);
if (len >= n)
len = n - 1;
dest[len] = '\0';
- __builtin_memcpy(dest, src, len);
+ memcpy(dest, src, len);
}
return res;
}
char *p = __strend(dest);
p[len] = '\0';
- __builtin_memcpy(p, src, len);
+ memcpy(p, src, len);
return dest;
}
EXPORT_SYMBOL(strncat);
return (void *) ret;
}
EXPORT_SYMBOL(memscan);
-
-/**
- * memcpy - Copy one area of memory to another
- * @dest: Where to copy to
- * @src: Where to copy from
- * @n: The size of the area.
- *
- * returns a pointer to @dest
- */
-void *memcpy(void *dest, const void *src, size_t n)
-{
- return __builtin_memcpy(dest, src, n);
-}
-EXPORT_SYMBOL(memcpy);
-
-/**
- * memset - Fill a region of memory with the given value
- * @s: Pointer to the start of the area.
- * @c: The byte to fill the area with
- * @n: The size of the area.
- *
- * returns a pointer to @s
- */
-void *memset(void *s, int c, size_t n)
-{
- char *xs;
-
- if (c == 0)
- return __builtin_memset(s, 0, n);
-
- xs = (char *) s;
- if (n > 0)
- do {
- *xs++ = c;
- } while (--n > 0);
- return s;
-}
-EXPORT_SYMBOL(memset);