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/* Test if ftw function doesn't leak fds. |
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Copyright (C) 2003 Free Software Foundation, Inc. |
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This file is part of the GNU C Library. |
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Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. |
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|
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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 Lesser General Public |
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License as published by the Free Software Foundation; either |
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version 2.1 of the License, or (at your option) any later version. |
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|
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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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Lesser General Public License for more details. |
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|
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You should have received a copy of the GNU Lesser General Public |
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License along with the GNU C Library; if not, write to the Free |
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
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02111-1307 USA. */ |
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|
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#include <fcntl.h> |
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#include <ftw.h> |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <sys/stat.h> |
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#include <unistd.h> |
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|
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static int cb_called; |
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|
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static int |
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cb (const char *name, const struct stat64 *st, int type) |
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{ |
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return cb_called++ & 1; |
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} |
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|
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int |
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main (void) |
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{ |
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char name[32] = "/tmp/ftwXXXXXX", *p; |
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int ret, i, result = 0, fd, fd1, fd2; |
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|
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if (mkdtemp (name) == NULL) |
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{ |
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printf ("Couldn't make temporary directory: %m\n"); |
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exit (EXIT_FAILURE); |
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} |
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p = strchr (name, '\0'); |
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strcpy (p, "/1"); |
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if (mkdir (name, 0755) < 0) |
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{ |
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printf ("Couldn't make temporary subdirectory: %m\n"); |
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exit (EXIT_FAILURE); |
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} |
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*p = '\0'; |
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|
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ret = ftw64 (name, cb, 20); |
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if (ret != 1) |
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{ |
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printf ("ftw64 returned %d instead of 1", ret); |
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result = 1; |
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} |
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|
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fd = open (name, O_RDONLY); |
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if (fd < 0) |
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{ |
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printf ("open failed: %m\n"); |
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result = 1; |
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} |
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fd1 = open (name, O_RDONLY); |
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if (fd1 < 0) |
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{ |
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printf ("open failed: %m\n"); |
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result = 1; |
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} |
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else |
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close (fd1); |
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if (fd >= 0) |
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close (fd); |
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|
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for (i = 0; i < 128; ++i) |
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{ |
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ret = ftw64 (name, cb, 20); |
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if (ret != 1) |
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{ |
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printf ("ftw64 returned %d instead of 1", ret); |
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result = 1; |
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} |
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} |
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|
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fd = open (name, O_RDONLY); |
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if (fd < 0) |
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{ |
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printf ("open failed: %m\n"); |
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result = 1; |
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} |
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fd2 = open (name, O_RDONLY); |
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if (fd2 < 0) |
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{ |
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printf ("open failed: %m\n"); |
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result = 1; |
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} |
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else |
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close (fd2); |
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if (fd >= 0) |
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close (fd); |
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|
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if (fd2 >= fd1 + 128) |
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{ |
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printf ("ftw64 leaking fds: %d -> %d\n", fd1, fd2); |
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result = 1; |
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} |
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|
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if (cb_called != 129 * 2) |
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{ |
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printf ("callback called %d times\n", cb_called); |
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result = 1; |
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} |
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|
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strcpy (p, "/1"); |
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rmdir (name); |
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*p = '\0'; |
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rmdir (name); |
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return result; |
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} |