mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-29 05:51:10 +00:00
125 lines
2.9 KiB
C
125 lines
2.9 KiB
C
/* Simple test of putwc in the C locale.
|
|
Copyright (C) 2000-2020 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@cygnus.com>, 2000.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <errno.h>
|
|
#include <error.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <wchar.h>
|
|
|
|
static const char outname[] = OBJPFX "tst_putwc.temp";
|
|
|
|
/* Prototype for our test function. */
|
|
int do_test (void);
|
|
#define TEST_FUNCTION do_test ()
|
|
|
|
/* This defines the `main' function and some more. */
|
|
#include <test-skeleton.c>
|
|
|
|
int
|
|
do_test (void)
|
|
{
|
|
const wchar_t str[] = L"This is a test of putwc\n";
|
|
wchar_t buf[100];
|
|
size_t n = 0;
|
|
FILE *fp;
|
|
int res = 0;
|
|
|
|
add_temp_file (outname);
|
|
|
|
fp = fopen (outname, "w+");
|
|
if (fp == NULL)
|
|
error (EXIT_FAILURE, errno, "cannot open temporary file");
|
|
|
|
for (n = 0; str[n] != L'\0'; ++n)
|
|
putwc (str[n], fp);
|
|
|
|
/* First try reading after rewinding. */
|
|
rewind (fp);
|
|
|
|
wmemset (buf, L'\0', sizeof (buf) / sizeof (buf[0]));
|
|
n = 0;
|
|
while (! feof (fp) && n < sizeof (buf) - 1)
|
|
{
|
|
buf[n] = getwc (fp);
|
|
if (buf[n] == WEOF)
|
|
break;
|
|
++n;
|
|
}
|
|
buf[n] = L'\0';
|
|
|
|
if (wcscmp (buf, L"This is a test of putwc\n") != 0)
|
|
{
|
|
puts ("first comparison failed");
|
|
res = 1;
|
|
}
|
|
|
|
/* Now close the file, open it again, and read again. */
|
|
if (fclose (fp) != 0)
|
|
{
|
|
printf ("failure during fclose: %m\n");
|
|
res = 1;
|
|
}
|
|
|
|
fp = fopen (outname, "r");
|
|
if (fp == NULL)
|
|
{
|
|
printf ("cannot reopen file: %m\n");
|
|
return 1;
|
|
}
|
|
|
|
/* We can remove the file now. */
|
|
remove (outname);
|
|
|
|
wmemset (buf, L'\0', sizeof (buf) / sizeof (buf[0]));
|
|
n = 0;
|
|
while (! feof (fp) && n < sizeof (buf) - 1)
|
|
{
|
|
buf[n] = getwc (fp);
|
|
if (buf[n] == WEOF)
|
|
break;
|
|
++n;
|
|
}
|
|
buf[n] = L'\0';
|
|
|
|
if (wcscmp (buf, L"This is a test of putwc\n") != 0)
|
|
{
|
|
puts ("second comparison failed");
|
|
res = 1;
|
|
}
|
|
|
|
if (fclose (fp) != 0)
|
|
{
|
|
printf ("failure during fclose: %m\n");
|
|
res = 1;
|
|
}
|
|
|
|
/* Next test: write a bit more than a few bytes. */
|
|
fp = fopen (outname, "w");
|
|
if (fp == NULL)
|
|
error (EXIT_FAILURE, errno, "cannot open temporary file");
|
|
|
|
for (n = 0; n < 4098; ++n)
|
|
putwc (n & 255, fp);
|
|
|
|
fclose (fp);
|
|
|
|
return res;
|
|
}
|