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* io/Makefile (tests): Add tst-fcntl.
	* io/tst-fcntl.c: New file.
This commit is contained in:
Ulrich Drepper 2000-10-26 09:14:02 +00:00
parent 726b7b0f5c
commit 5915ce22c7
3 changed files with 200 additions and 1 deletions
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ChangeLog
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@ -1,5 +1,8 @@
2000-10-26 Ulrich Drepper <drepper@redhat.com>
* io/Makefile (tests): Add tst-fcntl.
* io/tst-fcntl.c: New file.
* posix/Makefile (tests): Add tst-chmod.
(tst-chmod-ARGS): Define.
* posix/tst-chmod.c: New file.

2
io/Makefile
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@ -55,7 +55,7 @@ static-only-routines = stat fstat lstat mknod stat64 fstat64 lstat64
others := pwd
test-srcs := ftwtest
tests := test-utime test-stat test-lfs tst-getcwd
tests := test-utime test-stat test-lfs tst-getcwd tst-fcntl
distribute := ftwtest-sh

196
io/tst-fcntl.c Normal file
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@ -0,0 +1,196 @@
/* Tests for fcntl.
Copyright (C) 2000 Free Software Foundation, Inc.
Contributed by Ulrich Drepper <drepper@cygnus.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 <errno.h>
#include <fcntl.h>
#include <paths.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.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
#include "../test-skeleton.c"
/* Name of the temporary files. */
static char *name;
void
do_prepare (int argc, char *argv[])
{
char name_len;
name_len = strlen (test_dir);
name = malloc (name_len + sizeof ("/fcntlXXXXXX"));
mempcpy (mempcpy (name, test_dir, name_len),
"/fcntlXXXXXX", sizeof ("/fcntlXXXXXX"));
add_temp_file (name);
}
int
do_test (int argc, char *argv[])
{
int fd;
int fd2;
int fd3;
struct stat64 st;
int val;
int result = 0;
/* Create the temporary file. */
fd = mkstemp (name);
if (fd == -1)
{
printf ("cannot open temporary file: %m\n");
return 1;
}
if (fstat64 (fd, &st) != 0)
{
printf ("cannot stat test file: %m\n");
return 1;
}
if (! S_ISREG (st.st_mode) || st.st_size != 0)
{
puts ("file not created correctly");
return 1;
}
/* Get the flags with fcntl(). */
val = fcntl (fd, F_GETFL);
if (val == -1)
{
printf ("fcntl(fd, F_GETFL) failed: %m\n");
result = 1;
}
else if ((val & O_ACCMODE) != O_RDWR)
{
puts ("temporary file not opened for read and write");
result = 1;
}
/* Set the flags to something else. */
if (fcntl (fd, F_SETFL, O_RDONLY) == -1)
{
printf ("fcntl(fd, F_SETFL, O_RDONLY) failed: %m\n");
result = 1;
}
val = fcntl (fd, F_GETFL);
if (val == -1)
{
printf ("fcntl(fd, F_GETFL) after F_SETFL failed: %m\n");
result = 1;
}
else if ((val & O_ACCMODE) != O_RDWR)
{
puts ("temporary file access mode changed");
result = 1;
}
/* Set the flags to something else. */
if (fcntl (fd, F_SETFL, O_APPEND) == -1)
{
printf ("fcntl(fd, F_SETFL, O_APPEND) failed: %m\n");
result = 1;
}
val = fcntl (fd, F_GETFL);
if (val == -1)
{
printf ("fcntl(fd, F_GETFL) after second F_SETFL failed: %m\n");
result = 1;
}
else if ((val & O_APPEND) == 0)
{
puts ("O_APPEND not set");
result = 1;
}
val = fcntl (fd, F_GETFD);
if (val == -1)
{
printf ("fcntl(fd, F_GETFD) failed: %m\n");
result = 1;
}
else if (fcntl (fd, F_SETFD, val | FD_CLOEXEC) == -1)
{
printf ("fcntl(fd, F_SETFD, FD_CLOEXEC) failed: %m\n");
result = 1;
}
else
{
val = fcntl (fd, F_GETFD);
if (val == -1)
{
printf ("fcntl(fd, F_GETFD) after F_SETFD failed: %m\n");
result = 1;
}
else if ((val & FD_CLOEXEC) == 0)
{
puts ("FD_CLOEXEC not set");
result = 1;
}
}
/* Get a number of a free descriptor. If /dev/null is not available
don't continue testing. */
fd2 = open (_PATH_DEVNULL, O_RDWR);
if (fd2 == -1)
return result;
close (fd2);
fd3 = fcntl (fd, F_DUPFD, fd2 + 1);
if (fd3 == -1)
{
printf ("fcntl(fd, F_DUPFD, %d) failed: %m\n", fd2 + 1);
result = 1;
}
else if (fd3 <= fd2)
{
printf ("F_DUPFD returned %d which is not larger than %d\n", fd3, fd2);
result = 1;
}
if (fd3 != -1)
{
val = fcntl (fd3, F_GETFD);
if (val == -1)
{
printf ("fcntl(fd3, F_GETFD) after F_DUPFD failed: %m\n");
result = 1;
}
else if ((val & FD_CLOEXEC) != 0)
{
puts ("FD_CLOEXEC still set");
result = 1;
}
close (fd3);
}
return result;
}