| Jit Loon Lim | 012a9d9 | 2025-03-17 16:25:53 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2024-2025, Altera Corporation. All rights reserved. | ||||
| 3 | * | ||||
| 4 | * SPDX-License-Identifier: BSD-3-Clause | ||||
| 5 | */ | ||||
| 6 | |||||
| 7 | #include <string.h> | ||||
| 8 | |||||
| 9 | size_t strnlen_secure(const char *str, size_t maxlen) | ||||
| 10 | { | ||||
| 11 | size_t len = 0; | ||||
| 12 | |||||
| 13 | if (str == NULL) { | ||||
| 14 | return 0; | ||||
| 15 | } | ||||
| 16 | |||||
| 17 | while ((len < maxlen) && (str[len] != '\0')) { | ||||
| 18 | len++; | ||||
| 19 | } | ||||
| 20 | |||||
| 21 | return len; | ||||
| 22 | } | ||||