Function test_read_file

tests/helpers/file.c:38–51

* Read a file and write its contents into a buffer * * @params fname name of the file relative to the __TEST_DATA_DIR__ directory * @params buf buffer to write file contents into * @params size size of buf * * @return On success number of bytes read is returned. On failure -1 is returned. */

 * @return  On success number of bytes read is returned. On failure -1 is returned.
 */
int test_read_file(const char *fname, uint8_t *buf, size_t size)
{
	char path[strlen(__TEST_DATA_DIR__) + strlen(fname) + 2];
	sprintf(path, "%s/%s", __TEST_DATA_DIR__, fname);

	int f = open(path, O_RDONLY);
	if (f == -1)
		return -1;

	int read_size = read(f, buf, size);

	close(f);
	return read_size;
}