Function load_file_at

utils.c:646–665

Sets errno on error (== NULL), * Always ensures terminating zero */

/* Sets errno on error (== NULL),
 * Always ensures terminating zero */
char *
load_file_at (int         dfd,
              const char *path)
{
  int fd;
  char *data;
  int errsv;

  fd = TEMP_FAILURE_RETRY (openat (dfd, path, O_CLOEXEC | O_RDONLY));
  if (fd == -1)
    return NULL;

  data = load_file_data (fd, NULL);

  errsv = errno;
  close (fd);
  errno = errsv;

  return data;
}

/* Sets errno on error (< 0) */
int