localedata/tests-mbwc/tst_wcsncpy.c

   1 /*
   2   WCSNCPY: wchar_t *wcsncpy (wchar_t *ws1, const wchar_t *ws2, size_t n);
   3 */
   4
   5 #define TST_FUNCTION wcsncpy
   6
   7 #include "tsp_common.c"
   8 #include "dat_wcsncpy.c"
   9
  10 #define WCSNUM_NCPY 7
  11
  12 int
  13 tst_wcsncpy (FILE *fp, int debug_flg)
  14 {
  15   TST_DECL_VARS (wchar_t *);
  16   wchar_t ws1[WCSSIZE] =
  17     { 0x9999, 0x9999, 0x9999, 0x9999, 0x9999, 0x9999, 0x0000 };
  18   wchar_t *ws2, *ws_ex;
  19   int err, i;
  20   size_t n;
  21
  22   TST_DO_TEST (wcsncpy)
  23   {
  24     TST_HEAD_LOCALE (wcsncpy, S_WCSNCPY);
  25     TST_DO_REC (wcsncpy)
  26     {
  27       TST_GET_ERRET (wcsncpy);
  28
  29       for (n = 0; n < WCSNUM_NCPY - 1; ++n)
  30         {
  31           ws1[n] = 0x9999;
  32         }
  33
  34       ws1[n] = 0;
  35       ws2 = TST_INPUT (wcsncpy).ws;     /* external value: size WCSSIZE */
  36       n = TST_INPUT (wcsncpy).n;
  37       ret = wcsncpy (ws1, ws2, n);
  38
  39       TST_IF_RETURN (S_WCSNCPY)
  40       {
  41         if (ret == ws1)
  42           {
  43             Result (C_SUCCESS, S_WCSNCPY, CASE_3, MS_PASSED);
  44           }
  45         else
  46           {
  47             err_count++;
  48             Result (C_FAILURE, S_WCSNCPY, CASE_3,
  49                     "the return address may not be correct");
  50           }
  51       }
  52
  53       if (ret == ws1)
  54         {
  55           if (debug_flg)
  56             {
  57               fprintf (stderr, "\nwcsncpy: n = %zu\n\n", n);
  58             }
  59
  60           ws_ex = TST_EXPECT (wcsncpy).ws;
  61
  62           for (err = 0, i = 0; i < WCSNUM_NCPY && i < WCSSIZE; i++)
  63             {
  64               if (debug_flg)
  65                 fprintf (stderr,
  66                          "wcsncpy: ws1[ %d ] = 0x%lx <-> wx_ex[ %d ] = 0x%lx\n",
  67                          i, (unsigned long int) ws1[i], i,
  68                          (unsigned long int) ws_ex[i]);
  69
  70               if (ws1[i] != ws_ex[i])
  71                 {
  72                   err++;
  73                   err_count++;
  74                   Result (C_FAILURE, S_WCSNCPY, CASE_4,
  75                           "copied string is different from an "
  76                           "expected string");
  77                   break;
  78                 }
  79             }
  80
  81           if (!err)
  82             {
  83               Result (C_SUCCESS, S_WCSNCPY, CASE_4, MS_PASSED);
  84             }
  85
  86           /* A null terminate character is not supposed to be copied
  87              unless (num chars of ws2)<n. */
  88         }
  89     }
  90   }
  91
  92   return err_count;
  93 }