| Soby Mathew | b4c6df4 | 2022-11-09 11:13:29 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * SPDX-License-Identifier: BSD-3-Clause | ||||
| 3 | * SPDX-FileCopyrightText: Copyright TF-RMM Contributors. | ||||
| 4 | */ | ||||
| 5 | |||||
| 6 | #include <stddef.h> | ||||
| 7 | #include <string.h> | ||||
| 8 | |||||
| 9 | int memcmp(const void *s1, const void *s2, size_t len) | ||||
| 10 | { | ||||
| 11 | const unsigned char *s = s1; | ||||
| 12 | const unsigned char *d = s2; | ||||
| 13 | unsigned char sc; | ||||
| 14 | unsigned char dc; | ||||
| 15 | |||||
| 16 | while (len--) { | ||||
| 17 | sc = *s++; | ||||
| 18 | dc = *d++; | ||||
| 19 | if (sc - dc) { | ||||
| 20 | return (sc - dc); | ||||
| 21 | } | ||||
| 22 | } | ||||
| 23 | |||||
| 24 | return 0; | ||||
| 25 | } | ||||