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tst_wcstombs.c

/*
  WCSTOMBS: size_t wcstombs (char *s, const wchar_t *ws, size_t n)
*/

#define TST_FUNCTION wcstombs

#include "tsp_common.c"
#include "dat_wcstombs.c"

#define MARK_VAL 0x01

int
tst_wcstombs (FILE * fp, int debug_flg)
{
  TST_DECL_VARS (size_t);
  char s_flg, n;
  wchar_t *ws;
  char s[MBSSIZE], *s_in;
  int err, i;
  char *s_ex;

  TST_DO_TEST (wcstombs)
  {
    TST_HEAD_LOCALE (wcstombs, S_WCSTOMBS);
    TST_DO_REC (wcstombs)
    {
      TST_GET_ERRET (wcstombs);
      memset (s, MARK_VAL, MBSSIZE);

      s_flg = TST_INPUT (wcstombs).s_flg;
      s_in = (s_flg == 1) ? s : (char *) NULL;
      ws = TST_INPUT (wcstombs).ws;
      n = TST_INPUT (wcstombs).n;

      TST_CLEAR_ERRNO;
      ret = wcstombs (s_in, ws, n);
      TST_SAVE_ERRNO;

      if (debug_flg)
      {
        fprintf (stdout, "wcstombs: ret  = %zu\n", ret);
      }

      TST_IF_RETURN (S_WCSTOMBS)
      {
      };

      if (s_in != NULL && ret != (size_t) - 1)
      {
        /* No definition for s, when error occurs.  */
        s_ex = TST_EXPECT (wcstombs).s;

        for (err = 0, i = 0; i <= ret && i < MBSSIZE; i++)
          {
            if (debug_flg)
            {
              fprintf (stdout,
                     "  : s[%d] = 0x%hx <-> 0x%hx = s_ex[%d]\n", i,
                     s[i], s_ex[i], i);
            }

            if (i == ret && ret == n)     /* no null termination */
            {
              if (s[i] == MARK_VAL)
                {
                  Result (C_SUCCESS, S_WCSTOMBS, CASE_4, MS_PASSED);
                }
              else
                {
                  err_count++;
                  Result (C_FAILURE, S_WCSTOMBS, CASE_4,
                        "should not be null terminated "
                        "(it may be a null char), but it is");
                }

              break;
            }

            if (i == ret && ret < n)      /* null termination */
            {
              if (s[i] == 0)
                {
                  Result (C_SUCCESS, S_WCSTOMBS, CASE_5, MS_PASSED);
                }
              else
                {
                  err_count++;
                  Result (C_FAILURE, S_WCSTOMBS, CASE_5,
                        "should be null terminated, but it is not");
                }

              break;
            }

            if (s[i] != s_ex[i])
            {
              err++;
              err_count++;
              Result (C_FAILURE, S_WCSTOMBS, CASE_6,
                    "converted string is different from an "
                    "expected string");
              break;
            }
          }

        if (!err)
          {
            Result (C_SUCCESS, S_WCSTOMBS, CASE_6, MS_PASSED);
          }
      }
    }
  }

  return err_count;
}

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