mirror of
git://sourceware.org/git/glibc.git
synced 2024-11-27 03:41:23 +08:00
08c7f6b008
2000-05-29 Ulrich Drepper <drepper@redhat.com> * posix/Makefile (tests): Add tst-spawn. (tst-spawn-ARGS): New variable. * posix/tst-spawn.c: New file. * posix/spawn_faction_addclose.c: Correctly account for new entry. * posix/spawn_faction_adddup2.c: Likewise. * posix/spawn_faction_addopen.c: Likewise. * posix/spawni.c: Correctly test for success of dup2 calls. * posix/tst-preadwrite.c: Check success of malloc call.
105 lines
2.9 KiB
C
105 lines
2.9 KiB
C
/* Tests for pread and pwrite.
|
|
Copyright (C) 1998, 2000 Free Software Foundation, Inc.
|
|
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. 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>
|
|
|
|
|
|
/* Allow testing of the 64-bit versions as well. */
|
|
#ifndef PREAD
|
|
# define PREAD pread
|
|
# define PWRITE pwrite
|
|
#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[])
|
|
{
|
|
char name_len;
|
|
|
|
#define FNAME FNAME2(TRUNCATE)
|
|
#define FNAME2(s) "/" STRINGIFY(s) "XXXXXX"
|
|
|
|
name_len = strlen (test_dir);
|
|
name = malloc (name_len + sizeof (FNAME));
|
|
if (name == NULL)
|
|
error (EXIT_FAILURE, errno, "cannot allocate file name");
|
|
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[])
|
|
{
|
|
char buf[1000];
|
|
char res[1000];
|
|
int i;
|
|
|
|
memset (buf, '\0', sizeof (buf));
|
|
memset (res, '\xff', sizeof (res));
|
|
|
|
if (write (fd, buf, sizeof (buf)) != sizeof (buf))
|
|
error (EXIT_FAILURE, errno, "during write");
|
|
|
|
for (i = 100; i < 200; ++i)
|
|
buf[i] = i;
|
|
if (PWRITE (fd, buf + 100, 100, 100) != 100)
|
|
error (EXIT_FAILURE, errno, "during %s", STRINGIFY (PWRITE));
|
|
|
|
for (i = 450; i < 600; ++i)
|
|
buf[i] = i;
|
|
if (PWRITE (fd, buf + 450, 150, 450) != 150)
|
|
error (EXIT_FAILURE, errno, "during %s", STRINGIFY (PWRITE));
|
|
|
|
if (PREAD (fd, res, sizeof (buf) - 50, 50) != sizeof (buf) - 50)
|
|
error (EXIT_FAILURE, errno, "during %s", STRINGIFY (PREAD));
|
|
|
|
close (fd);
|
|
unlink (name);
|
|
|
|
return memcmp (buf + 50, res, sizeof (buf) - 50);
|
|
}
|