Maximilian Brune | 25c737d | 2024-05-09 02:53:51 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | |
| 3 | #include <fcntl.h> |
| 4 | #include <stdint.h> |
| 5 | #include <stdio.h> |
| 6 | #include <string.h> |
| 7 | #include <sys/stat.h> |
| 8 | #include <sys/types.h> |
| 9 | #include <unistd.h> |
| 10 | |
| 11 | /* |
| 12 | * Get the file size of a given file |
| 13 | * |
| 14 | * @params fname name of the file relative to the __TEST_DATA_DIR__ directory |
| 15 | * |
| 16 | * @return On success file size in bytes is returned. On failure -1 is returned. |
| 17 | */ |
| 18 | int test_get_file_size(const char *fname) |
| 19 | { |
| 20 | char path[strlen(__TEST_DATA_DIR__) + strlen(fname) + 2]; |
| 21 | sprintf(path, "%s/%s", __TEST_DATA_DIR__, fname); |
| 22 | |
| 23 | struct stat st; |
| 24 | if (stat(path, &st) == -1) |
| 25 | return -1; |
| 26 | return st.st_size; |
| 27 | } |
| 28 | |
| 29 | /* |
| 30 | * Read a file and write its contents into a buffer |
| 31 | * |
| 32 | * @params fname name of the file relative to the __TEST_DATA_DIR__ directory |
| 33 | * @params buf buffer to write file contents into |
| 34 | * @params size size of buf |
| 35 | * |
| 36 | * @return On success number of bytes read is returned. On failure -1 is returned. |
| 37 | */ |
| 38 | int test_read_file(const char *fname, uint8_t *buf, size_t size) |
| 39 | { |
| 40 | char path[strlen(__TEST_DATA_DIR__) + strlen(fname) + 2]; |
| 41 | sprintf(path, "%s/%s", __TEST_DATA_DIR__, fname); |
| 42 | |
| 43 | int f = open(path, O_RDONLY); |
| 44 | if (f == -1) |
| 45 | return -1; |
| 46 | |
| 47 | int read_size = read(f, buf, size); |
| 48 | |
| 49 | close(f); |
| 50 | return read_size; |
| 51 | } |