u-boot/lib/string.c

72  * @dest: Where to copy the string to
75 char * strcpy(char * dest,const char *src)
77 	char *tmp = dest;
79 	while ((*dest++ = *src++) != '\0')
88  * @dest: Where to copy the string to
96 char * strncpy(char * dest,const char *src,size_t count)
98 	char *tmp = dest;
100 	while (count-- && (*dest++ = *src++) != '\0')
110  * @dest: Where to copy the string to
121 size_t strlcpy(char *dest, const char *src, size_t size)
127 		memcpy(dest, src, len);
128 		dest[len] = '\0';
137  * @dest: The string to be appended to
140 char * strcat(char * dest, const char * src)
142 	char *tmp = dest;
144 	while (*dest)
145 		dest++;
146 	while ((*dest++ = *src++) != '\0')
156  * @dest: The string to be appended to
163 char * strncat(char *dest, const char *src, size_t count)
165 	char *tmp = dest;
168 		while (*dest)
169 			dest++;
170 		while ((*dest++ = *src++)) {
172 				*dest = '\0';
185  * @dest: The string to be appended to
187  * @size: The size of @dest
193  * Return: min(strlen(dest), size) + strlen(src)
195 size_t strlcat(char *dest, const char *src, size_t size)
197 	size_t len = strnlen(dest, size);
199 	return len + strlcpy(dest + len, src, size - len);
556  * @dest: Where to copy to
563 __used void * memcpy(void *dest, const void *src, size_t count)
565 	unsigned long *dl = (unsigned long *)dest, *sl = (unsigned long *)src;
568 	if (src == dest)
569 		return dest;
572 	if ( (((ulong)dest | (ulong)src) & (sizeof(*dl) - 1)) == 0) {
584 	return dest;
591  * @dest: Where to copy to
597 __used void * memmove(void * dest,const void *src,size_t count)
601 	if (dest <= src || (src + count) <= dest) {
604 	 * - when dest is before src (assuming that memcpy is doing forward-copying)
605 	 * - when destination don't overlap the source buffer (src + count <= dest)
614 		memcpy(dest, src, count);
616 		tmp = (char *) dest + count;
622 	return dest;