test/time/bug-asctime_r.c

   1 /* Note: we disable this on uClibc because we dont bother
   2  * verifying if the year is sane ... we just return ????
   3  * for the year value ...
   4  */
   5
   6 #include <errno.h>
   7 #include <limits.h>
   8 #include <stdio.h>
   9 #include <time.h>
  10
  11
  12 static int
  13 do_test (void)
  14 {
  15   int result = 0;
  16   time_t t = time (NULL);
  17   struct tm *tp = localtime (&t);
  18   tp->tm_year = 10000 - 1900;
  19   char buf[1000];
  20   errno = 0;
  21   buf[26] = '\xff';
  22   char *s = asctime_r (tp, buf);
  23   if (s != NULL || errno != EOVERFLOW)
  24     {
  25       puts ("asctime_r did not fail correctly");
  26       result = 1;
  27     }
  28   if (buf[26] != '\xff')
  29     {
  30       puts ("asctime_r overwrote 27th byte in buffer");
  31       result = 1;
  32     }
  33   return result;
  34 }
  35
  36 #define TEST_FUNCTION do_test ()
  37 #include "../test-skeleton.c"