src/fuzz/fuzz-hostname-util.c

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2
   3 #include "alloc-util.h"
   4 #include "fd-util.h"
   5 #include "fileio.h"
   6 #include "fuzz.h"
   7 #include "hostname-util.h"
   8
   9 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
  10         _cleanup_fclose_ FILE *f = NULL;
  11         _cleanup_free_ char *ret = NULL;
  12
  13         if (size == 0)
  14                 return 0;
  15
  16         f = fmemopen_unlocked((char*) data, size, "re");
  17         assert_se(f);
  18
  19         /* We don't want to fill the logs with messages about parse errors.
  20          * Disable most logging if not running standalone */
  21         if (!getenv("SYSTEMD_LOG_LEVEL"))
  22                 log_set_max_level(LOG_CRIT);
  23
  24         (void) read_etc_hostname_stream(f, &ret);
  25
  26         return 0;
  27 }