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131 lines
3.4 KiB
C
131 lines
3.4 KiB
C
/* Some basic tests for LFS.
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Copyright (C) 2000 Free Software Foundation, Inc.
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Contributed by Andreas Jaeger <aj@suse.de>, 2000.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <error.h>
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#include <errno.h>
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#include <sys/resource.h>
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/* Prototype for our test function. */
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extern void do_prepare (int argc, char *argv[]);
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extern int do_test (int argc, char *argv[]);
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/* We have a preparation function. */
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#define PREPARE do_prepare
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/* We might need a bit longer timeout. */
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#define TIMEOUT 20 /* sec */
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/* This defines the `main' function and some more. */
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#include <test-skeleton.c>
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/* These are for the temporary file we generate. */
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char *name;
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int fd;
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/* 2^31 = 2GB. */
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#define TWO_GB 2147483648LL
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void
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do_prepare (int argc, char *argv[])
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{
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char name_len;
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struct rlimit64 rlim;
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name_len = strlen (test_dir);
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name = malloc (name_len + sizeof ("/lfsXXXXXX"));
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mempcpy (mempcpy (name, test_dir, name_len),
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"/lfsXXXXXX", sizeof ("/lfsXXXXXX"));
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add_temp_file (name);
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/* Open our test file. */
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fd = mkstemp64 (name);
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if (fd == -1)
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{
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if (errno == ENOSYS)
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{
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/* Fail silently. */
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error (0, errno, "open64 is not supported");
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exit (EXIT_SUCCESS);
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}
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else
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error (EXIT_FAILURE, errno, "cannot create temporary file");
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}
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if (getrlimit64 (RLIMIT_FSIZE, &rlim) != 0)
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{
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error (0, errno, "cannot get resource limit");
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exit (0);
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}
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if (rlim.rlim_cur < TWO_GB + 200)
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{
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rlim.rlim_cur = TWO_GB + 200;
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if (setrlimit64 (RLIMIT_FSIZE, &rlim) != 0)
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{
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error (0, errno, "cannot reset file size limits");
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exit (0);
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}
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}
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}
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int
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do_test (int argc, char *argv[])
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{
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int ret;
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struct stat64 statbuf;
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ret = lseek64 (fd, TWO_GB+100, SEEK_SET);
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if (ret == -1 && errno == ENOSYS)
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{
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error (0, errno, "lseek64 is not supported");
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exit (EXIT_SUCCESS);
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}
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ret = write (fd, "Hello", 5);
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if (ret == -1 && errno == EINVAL)
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{
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error (0, errno, "LFS seems not to be supported.");
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exit (EXIT_SUCCESS);
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}
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if (ret != 5)
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error (EXIT_FAILURE, errno, "cannot write test string to large file");
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ret = close (fd);
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if (ret == -1)
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error (EXIT_FAILURE, errno, "error closing file");
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ret = stat64 (name, &statbuf);
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if (ret == -1 && (errno == ENOSYS || errno == EOVERFLOW))
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error (0, errno, "stat64 is not supported");
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else if (ret == -1)
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error (EXIT_FAILURE, errno, "cannot stat file `%s'", name);
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else if (statbuf.st_size != (TWO_GB+100+5))
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error (EXIT_FAILURE, 0, "stat reported size %lld instead of %lld.",
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statbuf.st_size, (TWO_GB+100+5));
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return 0;
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}
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