1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166
|
/* Test that values of pathconf and fpathconf are consistent for a file.
Copyright (C) 2013-2018 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>
#include <sys/stat.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 = xmalloc (dirbuflen);
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 = xmalloc (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;
}
return ret;
}
|