mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-25 14:30:06 +00:00
Update.
* stdio-common/Makefile (tests): Add tst-fseek. * stdio-common/tst-fseek.c: New file.
This commit is contained in:
parent
0bb258e350
commit
2050f7b562
@ -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.
|
||||
|
@ -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
425
stdio-common/tst-fseek.c
Normal file
@ -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;
|
||||
}
|
Loading…
Reference in New Issue
Block a user