#include "git-compat-util.h"

#include "date.h"

int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);

int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)

{

  int local;

  int num;

  char *str;

  int16_t tz;

  timestamp_t ts;

  enum date_mode_type dmtype;

  struct date_mode dm;

  if (size <= 4)

    /*

     * we use the first byte to fuzz dmtype and the

     * second byte to fuzz local, then the next two

     * bytes to fuzz tz offset. The remainder

     * (at least one byte) is fed as input to

     * approxidate_careful().

     */

    return 0;

  local = !!(*data++ & 0x10);

  num = *data++ % DATE_UNIX;

  if (num >= DATE_STRFTIME)

    num++;

  dmtype = (enum date_mode_type)num;

  size -= 2;

  tz = *data++;

  tz = (tz << 8) | *data++;

  size -= 2;

  str = xmemdupz(data, size);

  ts = approxidate_careful(str, &num);

  free(str);

  dm = date_mode_from_type(dmtype);

  dm.local = local;

  show_date(ts, (int)tz, dm);

  date_mode_release(&dm);

  return 0;

}