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* stdio-common/Makefile (tests): Add tst-fseek.
	* stdio-common/tst-fseek.c: New file.
This commit is contained in:
Ulrich Drepper 2000-10-28 05:51:07 +00:00
parent 0bb258e350
commit 2050f7b562
3 changed files with 430 additions and 1 deletions
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3
ChangeLog
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@ -1,5 +1,8 @@
2000-10-27 Ulrich Drepper <drepper@redhat.com>
* stdio-common/Makefile (tests): Add tst-fseek.
* stdio-common/tst-fseek.c: New file.
* posix/regex.c (gettext): Use correct translation domain for glibc.
* argp/argp-parse.c: Use __dcgettext instead of dcgettext for glibc.

3
stdio-common/Makefile
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@ -54,7 +54,8 @@ tests := tstscanf test_rdwr test-popen tstgetln test-fseek \
bug1 bug2 bug3 bug4 bug5 bug6 bug7 bug8 bug9 bug10 bug11 bug12 bug13 \
tfformat tiformat tllformat tstdiomisc tst-printfsz tst-wc-printf \
scanf1 scanf2 scanf3 scanf4 scanf5 scanf7 scanf8 scanf9 scanf10 \
scanf12 tst-tmpnam tst-cookie tst-obprintf tst-sscanf tst-swprintf
scanf12 tst-tmpnam tst-cookie tst-obprintf tst-sscanf tst-swprintf \
tst-fseek
test-srcs = tst-unbputc tst-printf

425
stdio-common/tst-fseek.c Normal file
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@ -0,0 +1,425 @@
/* Tests of fseek and fseeko.
Copyright (C) 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 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 <error.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
int
main (void)
{
const char *tmpdir;
char *fname;
int fd;
FILE *fp;
const char outstr[] = "hello world!\n";
char strbuf[sizeof outstr];
char buf[200];
struct stat64 st1;
struct stat64 st2;
int result = 0;
tmpdir = getenv ("TMPDIR");
if (tmpdir == NULL || tmpdir[0] == '\0')
tmpdir = "/tmp";
asprintf (&fname, "%s/tst-fseek.XXXXXX", tmpdir);
if (fname == NULL)
error (EXIT_FAILURE, errno, "cannot generate name for temporary file");
/* Create a temporary file. */
fd = mkstemp (fname);
if (fd == -1)
error (EXIT_FAILURE, errno, "cannot open temporary file");
fp = fdopen (fd, "w+");
if (fp == NULL)
error (EXIT_FAILURE, errno, "cannot get FILE for temporary file");
setbuffer (fp, strbuf, sizeof (outstr) -1);
if (fwrite (outstr, sizeof (outstr) - 1, 1, fp) != 1)
{
puts ("write error");
result = 1;
goto out;
}
/* The EOF flag must be reset. */
if (fgetc (fp) != EOF)
{
puts ("managed to read at end of file");
result = 1;
}
else if (! feof (fp))
{
puts ("EOF flag not set");
result = 1;
}
if (fseek (fp, 0, SEEK_CUR) != 0)
{
puts ("fseek(fp, 0, SEEK_CUR) failed");
result = 1;
}
else if (feof (fp))
{
puts ("fseek() didn't reset EOF flag");
result = 1;
}
/* Do the same for fseeko(). */
#ifdef USE_IN_LIBIO
if (fgetc (fp) != EOF)
{
puts ("managed to read at end of file");
result = 1;
}
else if (! feof (fp))
{
puts ("EOF flag not set");
result = 1;
}
if (fseeko (fp, 0, SEEK_CUR) != 0)
{
puts ("fseek(fp, 0, SEEK_CUR) failed");
result = 1;
}
else if (feof (fp))
{
puts ("fseek() didn't reset EOF flag");
result = 1;
}
#endif
/* Go back to the beginning of the file: absolute. */
if (fseek (fp, 0, SEEK_SET) != 0)
{
puts ("fseek(fp, 0, SEEK_SET) failed");
result = 1;
}
else if (fflush (fp) != 0)
{
puts ("fflush() failed");
result = 1;
}
else if (lseek (fd, 0, SEEK_CUR) != 0)
{
puts ("lseek() returned different position");
result = 1;
}
else if (fread (buf, sizeof (outstr) - 1, 1, fp) != 1)
{
puts ("fread() failed");
result = 1;
}
else if (memcmp (buf, outstr, sizeof (outstr) - 1) != 0)
{
puts ("content after fseek(,,SEEK_SET) wrong");
result = 1;
}
#ifdef USE_IN_LIBIO
/* Now with fseeko. */
if (fseeko (fp, 0, SEEK_SET) != 0)
{
puts ("fseeko(fp, 0, SEEK_SET) failed");
result = 1;
}
else if (fflush (fp) != 0)
{
puts ("fflush() failed");
result = 1;
}
else if (lseek (fd, 0, SEEK_CUR) != 0)
{
puts ("lseek() returned different position");
result = 1;
}
else if (fread (buf, sizeof (outstr) - 1, 1, fp) != 1)
{
puts ("fread() failed");
result = 1;
}
else if (memcmp (buf, outstr, sizeof (outstr) - 1) != 0)
{
puts ("content after fseeko(,,SEEK_SET) wrong");
result = 1;
}
#endif
/* Go back to the beginning of the file: relative. */
if (fseek (fp, -(sizeof (outstr) - 1), SEEK_CUR) != 0)
{
puts ("fseek(fp, 0, SEEK_SET) failed");
result = 1;
}
else if (fflush (fp) != 0)
{
puts ("fflush() failed");
result = 1;
}
else if (lseek (fd, 0, SEEK_CUR) != 0)
{
puts ("lseek() returned different position");
result = 1;
}
else if (fread (buf, sizeof (outstr) - 1, 1, fp) != 1)
{
puts ("fread() failed");
result = 1;
}
else if (memcmp (buf, outstr, sizeof (outstr) - 1) != 0)
{
puts ("content after fseek(,,SEEK_SET) wrong");
result = 1;
}
#ifdef USE_IN_LIBIO
/* Now with fseeko. */
if (fseeko (fp, -(sizeof (outstr) - 1), SEEK_CUR) != 0)
{
puts ("fseeko(fp, 0, SEEK_SET) failed");
result = 1;
}
else if (fflush (fp) != 0)
{
puts ("fflush() failed");
result = 1;
}
else if (lseek (fd, 0, SEEK_CUR) != 0)
{
puts ("lseek() returned different position");
result = 1;
}
else if (fread (buf, sizeof (outstr) - 1, 1, fp) != 1)
{
puts ("fread() failed");
result = 1;
}
else if (memcmp (buf, outstr, sizeof (outstr) - 1) != 0)
{
puts ("content after fseeko(,,SEEK_SET) wrong");
result = 1;
}
#endif
/* Go back to the beginning of the file: from the end. */
if (fseek (fp, -(sizeof (outstr) - 1), SEEK_END) != 0)
{
puts ("fseek(fp, 0, SEEK_SET) failed");
result = 1;
}
else if (fflush (fp) != 0)
{
puts ("fflush() failed");
result = 1;
}
else if (lseek (fd, 0, SEEK_CUR) != 0)
{
puts ("lseek() returned different position");
result = 1;
}
else if (fread (buf, sizeof (outstr) - 1, 1, fp) != 1)
{
puts ("fread() failed");
result = 1;
}
else if (memcmp (buf, outstr, sizeof (outstr) - 1) != 0)
{
puts ("content after fseek(,,SEEK_SET) wrong");
result = 1;
}
#ifdef USE_IN_LIBIO
/* Now with fseeko. */
if (fseeko (fp, -(sizeof (outstr) - 1), SEEK_END) != 0)
{
puts ("fseeko(fp, 0, SEEK_SET) failed");
result = 1;
}
else if (fflush (fp) != 0)
{
puts ("fflush() failed");
result = 1;
}
else if (lseek (fd, 0, SEEK_CUR) != 0)
{
puts ("lseek() returned different position");
result = 1;
}
else if (fread (buf, sizeof (outstr) - 1, 1, fp) != 1)
{
puts ("fread() failed");
result = 1;
}
else if (memcmp (buf, outstr, sizeof (outstr) - 1) != 0)
{
puts ("content after fseeko(,,SEEK_SET) wrong");
result = 1;
}
#endif
if (fwrite (outstr, sizeof (outstr) - 1, 1, fp) != 1)
{
puts ("write error 2");
result = 1;
goto out;
}
if (fwrite (outstr, sizeof (outstr) - 1, 1, fp) != 1)
{
puts ("write error 3");
result = 1;
goto out;
}
if (fwrite (outstr, sizeof (outstr) - 1, 1, fp) != 1)
{
puts ("write error 4");
result = 1;
goto out;
}
if (fwrite (outstr, sizeof (outstr) - 1, 1, fp) != 1)
{
puts ("write error 5");
result = 1;
goto out;
}
if (fputc ('1', fp) == EOF || fputc ('2', fp) == EOF)
{
puts ("cannot add characters at the end");
result = 1;
goto out;
}
/* Check the access time. */
if (fstat64 (fd, &st1) < 0)
{
puts ("fstat64() before fseeko() failed\n");
result = 1;
}
else
{
sleep (1);
if (fseek (fp, -(2 + 2 * (sizeof (outstr) - 1)), SEEK_CUR) != 0)
{
puts ("fseek() after write characters failed");
result = 1;
goto out;
}
else
{
time_t t;
/* Make sure the timestamp actually can be different. */
sleep (1);
t = time (NULL);
if (fstat64 (fd, &st2) < 0)
{
puts ("fstat64() after fseeko() failed\n");
result = 1;
}
if (st1.st_ctime >= t)
{
puts ("st_ctime not updated");
result = 1;
}
if (st1.st_mtime >= t)
{
puts ("st_mtime not updated");
result = 1;
}
if (st1.st_ctime >= st2.st_ctime)
{
puts ("st_ctime not changed");
result = 1;
}
if (st1.st_mtime >= st2.st_mtime)
{
puts ("st_mtime not changed");
result = 1;
}
}
}
if (fread (buf, 1, 2 + 2 * (sizeof (outstr) - 1), fp)
!= 2 + 2 * (sizeof (outstr) - 1))
{
puts ("reading 2 records plus bits failed");
result = 1;
}
else if (memcmp (buf, outstr, sizeof (outstr) - 1) != 0
|| memcmp (&buf[sizeof (outstr) - 1], outstr,
sizeof (outstr) - 1) != 0
|| buf[2 * (sizeof (outstr) - 1)] != '1'
|| buf[2 * (sizeof (outstr) - 1) + 1] != '2')
{
puts ("reading records failed");
result = 1;
}
else if (ungetc ('9', fp) == EOF)
{
puts ("ungetc() failed");
result = 1;
}
else if (fseek (fp, -(2 + 2 * (sizeof (outstr) - 1)), SEEK_END) != 0)
{
puts ("fseek after ungetc failed");
result = 1;
}
else if (fread (buf, 1, 2 + 2 * (sizeof (outstr) - 1), fp)
!= 2 + 2 * (sizeof (outstr) - 1))
{
puts ("reading 2 records plus bits failed");
result = 1;
}
else if (memcmp (buf, outstr, sizeof (outstr) - 1) != 0
|| memcmp (&buf[sizeof (outstr) - 1], outstr,
sizeof (outstr) - 1) != 0
|| buf[2 * (sizeof (outstr) - 1)] != '1')
{
puts ("reading records for the second time failed");
result = 1;
}
else if (buf[2 * (sizeof (outstr) - 1) + 1] == '9')
{
puts ("unget character not ignored");
result = 1;
}
else if (buf[2 * (sizeof (outstr) - 1) + 1] != '2')
{
puts ("unget somehow changed character");
result = 1;
}
out:
unlink (fname);
return result;
}