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/* Some basic tests for LFS.
Copyright (C) 2000 Free Software Foundation, Inc.
Contributed by Andreas Jaeger <aj@suse.de>, 2000.
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 <unistd.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <error.h>
#include <errno.h>
#include <sys/resource.h>
/* 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;
/* 2^31 = 2GB. */
#define TWO_GB 2147483648LL
void
do_prepare (int argc, char *argv[])
{
char name_len;
name_len = strlen (test_dir);
name = malloc (name_len + sizeof ("/lfsXXXXXX"));
mempcpy (mempcpy (name, test_dir, name_len),
"/lfsXXXXXX", sizeof ("/lfsXXXXXX"));
add_temp_file (name);
/* Open our test file. */
if (mktemp (name) == NULL)
error (EXIT_FAILURE, errno, "cannot create temporary file name");
fd = open64 (name, O_CREAT|O_TRUNC|O_RDWR, 0666);
if (fd == -1 && errno == ENOSYS)
{
/* Fail silently. */
error (0, errno, "open64 is not supported");
exit (EXIT_SUCCESS);
}
if (fd == -1)
error (EXIT_FAILURE, errno, "cannot open test file `%s'", name);
if (setrlimit64 (RLIMIT_FSIZE, &((const struct rlimit64)
{ RLIM_INFINITY, RLIM_INFINITY }))
== -1)
error (EXIT_FAILURE, errno, "cannot reset file size limits");
}
int
do_test (int argc, char *argv[])
{
int ret;
struct stat64 statbuf;
ret = lseek64 (fd, TWO_GB+100, SEEK_SET);
if (ret == -1 && errno == ENOSYS)
{
error (0, errno, "lseek64 is not supported");
exit (EXIT_SUCCESS);
}
ret = write (fd, "Hello", 5);
if (ret == -1 && errno == EINVAL)
{
error (0, errno, "LFS seems not to be supported.");
exit (EXIT_SUCCESS);
}
if (ret != 5)
error (EXIT_FAILURE, errno, "cannot write test string to large file");
ret = close (fd);
if (ret == -1)
error (EXIT_FAILURE, errno, "error closing file");
ret = stat64 (name, &statbuf);
if (ret == -1 && (errno == ENOSYS || errno == EOVERFLOW))
error (0, errno, "stat64 is not supported");
else if (ret == -1)
error (EXIT_FAILURE, errno, "cannot stat file `%s'", name);
else if (statbuf.st_size != (TWO_GB+100+5))
error (EXIT_FAILURE, 0, "stat reported size %lld instead of %lld.",
statbuf.st_size, (TWO_GB+100+5));
return 0;
}
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