diff options
Diffstat (limited to 'posix/tst-pathconf.c')
| -rw-r--r-- | posix/tst-pathconf.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/posix/tst-pathconf.c b/posix/tst-pathconf.c new file mode 100644 index 0000000000..7627a24d8d --- /dev/null +++ b/posix/tst-pathconf.c @@ -0,0 +1,176 @@ +/* Test that values of pathconf and fpathconf are consistent for a file. + Copyright (C) 2013 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + + +static void prepare (void); +#define PREPARE(argc, argv) prepare () + +static int do_test (void); +#define TEST_FUNCTION do_test () + +#include "../test-skeleton.c" + +static int dir_fd; +static char *dirbuf; + +static void +prepare (void) +{ + size_t test_dir_len = strlen (test_dir); + static const char dir_name[] = "/tst-pathconf.XXXXXX"; + + size_t dirbuflen = test_dir_len + sizeof (dir_name); + dirbuf = malloc (dirbuflen); + if (dirbuf == NULL) + { + puts ("Out of memory"); + exit (1); + } + + snprintf (dirbuf, dirbuflen, "%s%s", test_dir, dir_name); + if (mkdtemp (dirbuf) == NULL) + { + printf ("Cannot create temporary directory: %s\n", strerror (errno)); + exit (1); + } + + add_temp_file (dirbuf); + + dir_fd = open (dirbuf, O_RDONLY); + if (dir_fd == -1) + { + printf ("Cannot open directory: %s\n", strerror (errno)); + exit (1); + } +} + + +static int +do_test (void) +{ + int ret = 0; + static const char *fifo_name = "some-fifo"; + + size_t filenamelen = strlen (dirbuf) + strlen (fifo_name) + 2; + char *filename = malloc (filenamelen); + + snprintf (filename, filenamelen, "%s/%s", dirbuf, fifo_name); + + /* Create a fifo in the directory. */ + int e = mkfifo (filename, 0777); + if (e == -1) + { + printf ("fifo creation failed (%s)\n", strerror (errno)); + ret = 1; + goto out_nofifo; + } + + long dir_pathconf = pathconf (dirbuf, _PC_PIPE_BUF); + + if (dir_pathconf < 0) + { + printf ("pathconf on directory failed: %s\n", strerror (errno)); + ret = 1; + goto out_nofifo; + } + + long fifo_pathconf = pathconf (filename, _PC_PIPE_BUF); + + if (fifo_pathconf < 0) + { + printf ("pathconf on file failed: %s\n", strerror (errno)); + ret = 1; + goto out_nofifo; + } + + int fifo = open (filename, O_RDONLY | O_NONBLOCK); + + if (fifo < 0) + { + printf ("fifo open failed (%s)\n", strerror (errno)); + ret = 1; + goto out_nofifo; + } + + long dir_fpathconf = fpathconf (dir_fd, _PC_PIPE_BUF); + + if (dir_fpathconf < 0) + { + printf ("fpathconf on directory failed: %s\n", strerror (errno)); + ret = 1; + goto out; + } + + long fifo_fpathconf = fpathconf (fifo, _PC_PIPE_BUF); + + if (fifo_fpathconf < 0) + { + printf ("fpathconf on file failed: %s\n", strerror (errno)); + ret = 1; + goto out; + } + + if (fifo_pathconf != fifo_fpathconf) + { + printf ("fifo pathconf (%ld) != fifo fpathconf (%ld)\n", fifo_pathconf, + fifo_fpathconf); + ret = 1; + goto out; + } + + if (dir_pathconf != fifo_pathconf) + { + printf ("directory pathconf (%ld) != fifo pathconf (%ld)\n", + dir_pathconf, fifo_pathconf); + ret = 1; + goto out; + } + + if (dir_fpathconf != fifo_fpathconf) + { + printf ("directory fpathconf (%ld) != fifo fpathconf (%ld)\n", + dir_fpathconf, fifo_fpathconf); + ret = 1; + goto out; + } + +out: + close (fifo); +out_nofifo: + close (dir_fd); + + if (unlink (filename) != 0) + { + printf ("Could not remove fifo (%s)\n", strerror (errno)); + ret = 1; + } + + if (rmdir (dirbuf) != 0) + { + printf ("Could not remove directory (%s)\n", strerror (errno)); + ret = 1; + } + + return ret; +} |