mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-23 21:40:12 +00:00
30aa57851a
2006-09-12 Jakub Jelinek <jakub@redhat.com> [BZ #2526] * README.libm: Fix a thinko in sqrt algorithm description. [BZ #3143] * manual/string.texi (argz_delete): Fix prototype. Patch by <alpt@freaknet.org>. 2006-08-26 Joseph Myers <joseph@codesourcery.com> [BZ #3138] * io/test-lfs.c (do_prepare): Give name_len type size_t. * io/tst-fcntl.c (do_prepare): Likewise. * posix/tst-exec.c (do_prepare): Likewise. * posix/tst-preadwrite.c (do_prepare): Likewise. * posix/tst-spawn.c (do_prepare): Likewise. * posix/tst-truncate.c (do_prepare): Likewise. * rt/tst-aio.c (do_prepare): Likewise. * rt/tst-aio64.c (do_prepare): Likewise. * stdlib/test-canon2.c (do_prepare): Give test_dir_len type size_t.
134 lines
3.8 KiB
C
134 lines
3.8 KiB
C
/* Tests for ftruncate and truncate.
|
|
Copyright (C) 2000 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <errno.h>
|
|
#include <error.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <sys/stat.h>
|
|
|
|
|
|
/* Allow testing of the 64-bit versions as well. */
|
|
#ifndef TRUNCATE
|
|
# define TRUNCATE truncate
|
|
# define FTRUNCATE ftruncate
|
|
#endif
|
|
|
|
#define STRINGIFY(s) STRINGIFY2 (s)
|
|
#define STRINGIFY2(s) #s
|
|
|
|
/* Prototype for our test function. */
|
|
extern void do_prepare (int argc, char *argv[]);
|
|
extern int do_test (int argc, char *argv[]);
|
|
|
|
/* We have a preparation function. */
|
|
#define PREPARE do_prepare
|
|
|
|
/* We might need a bit longer timeout. */
|
|
#define TIMEOUT 20 /* sec */
|
|
|
|
/* This defines the `main' function and some more. */
|
|
#include <test-skeleton.c>
|
|
|
|
/* These are for the temporary file we generate. */
|
|
char *name;
|
|
int fd;
|
|
|
|
void
|
|
do_prepare (int argc, char *argv[])
|
|
{
|
|
size_t name_len;
|
|
|
|
#define FNAME FNAME2(TRUNCATE)
|
|
#define FNAME2(s) "/" STRINGIFY(s) "XXXXXX"
|
|
|
|
name_len = strlen (test_dir);
|
|
name = malloc (name_len + sizeof (FNAME));
|
|
mempcpy (mempcpy (name, test_dir, name_len), FNAME, sizeof (FNAME));
|
|
add_temp_file (name);
|
|
|
|
/* Open our test file. */
|
|
fd = mkstemp (name);
|
|
if (fd == -1)
|
|
error (EXIT_FAILURE, errno, "cannot open test file `%s'", name);
|
|
}
|
|
|
|
|
|
int
|
|
do_test (int argc, char *argv[])
|
|
{
|
|
struct stat st;
|
|
char buf[1000];
|
|
|
|
memset (buf, '\0', sizeof (buf));
|
|
|
|
if (write (fd, buf, sizeof (buf)) != sizeof (buf))
|
|
error (EXIT_FAILURE, errno, "during write");
|
|
|
|
if (fstat (fd, &st) < 0 || st.st_size != sizeof (buf))
|
|
error (EXIT_FAILURE, 0, "initial size wrong");
|
|
|
|
|
|
if (FTRUNCATE (fd, 800) < 0)
|
|
error (EXIT_FAILURE, errno, "size reduction with %s failed",
|
|
STRINGIFY (FTRUNCATE));
|
|
|
|
if (fstat (fd, &st) < 0 || st.st_size != 800)
|
|
error (EXIT_FAILURE, 0, "size after reduction with %s incorrect",
|
|
STRINGIFY (FTRUNCATE));
|
|
|
|
/* The following test covers more than POSIX. POSIX does not require
|
|
that ftruncate() can increase the file size. But we are testing
|
|
Unix systems. */
|
|
if (FTRUNCATE (fd, 1200) < 0)
|
|
error (EXIT_FAILURE, errno, "size increase with %s failed",
|
|
STRINGIFY (FTRUNCATE));
|
|
|
|
if (fstat (fd, &st) < 0 || st.st_size != 1200)
|
|
error (EXIT_FAILURE, 0, "size after increase with %s incorrect",
|
|
STRINGIFY (FTRUNCATE));
|
|
|
|
|
|
if (TRUNCATE (name, 800) < 0)
|
|
error (EXIT_FAILURE, errno, "size reduction with %s failed",
|
|
STRINGIFY (TRUNCATE));
|
|
|
|
if (fstat (fd, &st) < 0 || st.st_size != 800)
|
|
error (EXIT_FAILURE, 0, "size after reduction with %s incorrect",
|
|
STRINGIFY (TRUNCATE));
|
|
|
|
/* The following test covers more than POSIX. POSIX does not require
|
|
that truncate() can increase the file size. But we are testing
|
|
Unix systems. */
|
|
if (TRUNCATE (name, 1200) < 0)
|
|
error (EXIT_FAILURE, errno, "size increase with %s failed",
|
|
STRINGIFY (TRUNCATE));
|
|
|
|
if (fstat (fd, &st) < 0 || st.st_size != 1200)
|
|
error (EXIT_FAILURE, 0, "size after increase with %s incorrect",
|
|
STRINGIFY (TRUNCATE));
|
|
|
|
|
|
close (fd);
|
|
unlink (name);
|
|
|
|
return 0;
|
|
}
|