glibc/localedata/tests-mbwc/tst_wcsncpy.c

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/*
WCSNCPY: wchar_t *wcsncpy (wchar_t *ws1, const wchar_t *ws2, size_t n);
*/
#define TST_FUNCTION wcsncpy
#include "tsp_common.c"
#include "dat_wcsncpy.c"
#define WCSNUM_NCPY 7
int
tst_wcsncpy (FILE *fp, int debug_flg)
{
TST_DECL_VARS (wchar_t *);
wchar_t ws1[WCSSIZE] =
{ 0x9999, 0x9999, 0x9999, 0x9999, 0x9999, 0x9999, 0x0000 };
wchar_t *ws2, *ws_ex;
int err, i;
size_t n;
TST_DO_TEST (wcsncpy)
{
TST_HEAD_LOCALE (wcsncpy, S_WCSNCPY);
TST_DO_REC (wcsncpy)
{
TST_GET_ERRET (wcsncpy);
for (n = 0; n < WCSNUM_NCPY - 1; ++n)
{
ws1[n] = 0x9999;
}
ws1[n] = 0;
ws2 = TST_INPUT (wcsncpy).ws; /* external value: size WCSSIZE */
n = TST_INPUT (wcsncpy).n;
ret = wcsncpy (ws1, ws2, n);
TST_IF_RETURN (S_WCSNCPY)
{
if (ret == ws1)
{
Result (C_SUCCESS, S_WCSNCPY, CASE_3, MS_PASSED);
}
else
{
err_count++;
Result (C_FAILURE, S_WCSNCPY, CASE_3,
"the return address may not be correct");
}
}
if (ret == ws1)
{
if (debug_flg)
{
fprintf (stderr, "\nwcsncpy: n = %zu\n\n", n);
}
ws_ex = TST_EXPECT (wcsncpy).ws;
for (err = 0, i = 0; i < WCSNUM_NCPY && i < WCSSIZE; i++)
{
if (debug_flg)
fprintf (stderr,
"wcsncpy: ws1[ %d ] = 0x%lx <-> wx_ex[ %d ] = 0x%lx\n",
i, (unsigned long int) ws1[i], i,
(unsigned long int) ws_ex[i]);
if (ws1[i] != ws_ex[i])
{
err++;
err_count++;
Result (C_FAILURE, S_WCSNCPY, CASE_4,
"copied string is different from an "
"expected string");
break;
}
}
if (!err)
{
Result (C_SUCCESS, S_WCSNCPY, CASE_4, MS_PASSED);
}
/* A null terminate character is not supposed to be copied
unless (num chars of ws2)<n. */
}
}
}
return err_count;
}