| /* | |
| * SPDX-License-Identifier: BSD-3-Clause | |
| * SPDX-FileCopyrightText: Copyright TF-RMM Contributors. | |
| */ | |
| #include <stddef.h> | |
| #include <string.h> | |
| int memcmp(const void *s1, const void *s2, size_t len) | |
| { | |
| const unsigned char *s = s1; | |
| const unsigned char *d = s2; | |
| unsigned char sc; | |
| unsigned char dc; | |
| while (len--) { | |
| sc = *s++; | |
| dc = *d++; | |
| if (sc - dc) { | |
| return (sc - dc); | |
| } | |
| } | |
| return 0; | |
| } |