mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-14 01:00:07 +00:00
69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/* Test of fwrite() function, adapted from gnulib-tests in grep.
|
|
Copyright (C) 2011-2024 Free Software Foundation, Inc.
|
|
|
|
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 <fcntl.h>
|
|
#include <unistd.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
char tmpl[] = "/tmp/tst-fwrite-error.XXXXXX";
|
|
int fd = mkstemp (tmpl);
|
|
if (fd == -1)
|
|
{
|
|
printf ("mkstemp failed with errno %d\n", errno);
|
|
return 1;
|
|
}
|
|
FILE *fp = fdopen (fd, "w");
|
|
if (fp == NULL)
|
|
{
|
|
printf ("fdopen failed with errno %d\n", errno);
|
|
return 1;
|
|
}
|
|
|
|
char buf[] = "world";
|
|
setvbuf (fp, NULL, _IONBF, 0);
|
|
close (fd);
|
|
unlink (tmpl);
|
|
errno = 0;
|
|
|
|
int ret = fwrite (buf, 1, sizeof (buf), fp);
|
|
if (ret != 0)
|
|
{
|
|
printf ("fwrite returned %d\n", ret);
|
|
return 1;
|
|
}
|
|
if (errno != EBADF)
|
|
{
|
|
printf ("Errno is not EBADF: %d\n", errno);
|
|
return 1;
|
|
}
|
|
if (ferror (fp) == 0)
|
|
{
|
|
printf ("ferror not set\n");
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define TEST_FUNCTION do_test ()
|
|
#include "../test-skeleton.c"
|