libio/bug-ftell.c

   1 #include <locale.h>
   2 #include <stdio.h>
   3 #include <wchar.h>
   4 #include <sys/types.h>
   5
   6
   7 static int
   8 do_test (void)
   9 {
  10   if (setlocale (LC_ALL, "de_DE.UTF-8") == NULL)
  11     {
  12       puts ("setlocale failed");
  13       return 1;
  14     }
  15
  16   FILE *fp = tmpfile ();
  17   if (fp == NULL)
  18     {
  19       puts ("tmpfile failed");
  20       return 1;
  21     }
  22
  23   if (fputws (L"hello", fp) == EOF)
  24     {
  25       puts ("fputws failed");
  26       return 1;
  27     }
  28
  29   rewind (fp);
  30
  31   const wchar_t *cp;
  32   unsigned int cnt;
  33   for (cp = L"hello", cnt = 1; *cp != L'\0'; ++cp, ++cnt)
  34     {
  35       wint_t wc = fgetwc (fp);
  36       if (wc != (wint_t) *cp)
  37         {
  38           printf ("fgetwc failed: got L'%lc', expected L'%lc'\n",
  39                   wc, (wint_t) *cp);
  40           return 1;
  41         }
  42       off_t o = ftello (fp);
  43       if (o != cnt)
  44         {
  45           printf ("ftello failed: got %lu, expected %u\n",
  46                   (unsigned long int) o, cnt);
  47           return 1;
  48         }
  49       printf ("round %u OK\n", cnt);
  50     }
  51
  52   fclose (fp);
  53
  54   return 0;
  55 }
  56
  57 #define TEST_FUNCTION do_test ()
  58 #include "../test-skeleton.c"