mirror of
https://https.git.savannah.gnu.org/git/gnulib.git
synced 2026-04-28 06:33:36 +00:00
61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
/* Test the system defined function stpncpy().
|
|
Copyright (C) 2003, 2008-2026 Free Software Foundation, Inc.
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <https://www.gnu.org/licenses/>. */
|
|
|
|
#include <config.h>
|
|
|
|
#include <string.h>
|
|
|
|
#include "signature.h"
|
|
SIGNATURE_CHECK (stpncpy, char *, (char *, char const *, size_t));
|
|
|
|
#include <stdio.h>
|
|
|
|
int
|
|
main ()
|
|
{
|
|
char from[10];
|
|
char to[10];
|
|
char *ret;
|
|
|
|
for (int i = 0; i < 10; i++)
|
|
for (int j = 0; j < 10; j++)
|
|
for (int k = 0; k < 10; k++)
|
|
{
|
|
memset (from, 'X', sizeof from);
|
|
memcpy (from, "SourceString", i);
|
|
if (i < 10) from[i] = '\0';
|
|
memset (to, 'Y', sizeof to);
|
|
memcpy (to, "Destination", k);
|
|
if (k < 10) to[k] = '\0';
|
|
ret = stpncpy (to, from, j);
|
|
printf ("i = %2d, j = %2d, k = %2d: from = ", i, j, k);
|
|
for (int h = 0; h < 10; h++)
|
|
if (from[h] >= 0x20 && from[h] < 0x7f)
|
|
putchar (from[h]);
|
|
else
|
|
printf ("\\x%02x", from[h]);
|
|
printf (" to = ");
|
|
for (int h = 0; h < 10; h++)
|
|
if (to[h] >= 0x20 && to[h] < 0x7f)
|
|
putchar (to[h]);
|
|
else
|
|
printf ("\\x%02x", to[h]);
|
|
printf (" ret = to + %zd\n", ret - to);
|
|
}
|
|
|
|
return 0;
|
|
}
|