Dmitry V. Levin
4c65ff00ee
* tests/file_handle.c (main): Parametrize handle_type in open_by_handle_at parser output.
102 lines
3.4 KiB
C
102 lines
3.4 KiB
C
/*
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* Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <alloca.h>
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#include <assert.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#ifdef MAX_HANDLE_SZ
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int
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main(void)
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{
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struct file_handle *handle =
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alloca(sizeof(struct file_handle) + MAX_HANDLE_SZ);
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const int dirfd = AT_FDCWD;
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const int flags = AT_SYMLINK_FOLLOW;
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int mount_id;
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unsigned int i;
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handle->handle_bytes = 0;
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if (name_to_handle_at(dirfd, ".", handle, &mount_id, flags | 1) != -1
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|| EINVAL != errno) {
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perror("name_to_handle_at");
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return 77;
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}
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printf("name_to_handle_at(AT_FDCWD, \".\", {handle_bytes=0}, %p"
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", AT_SYMLINK_FOLLOW|0x1) = -1 EINVAL (Invalid argument)\n",
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&mount_id);
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if (name_to_handle_at(dirfd, ".", handle, &mount_id, flags) != -1
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|| EOVERFLOW != errno) {
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perror("name_to_handle_at");
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return 77;
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}
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printf("name_to_handle_at(AT_FDCWD, \".\", {handle_bytes=0 => %u}"
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", %p, AT_SYMLINK_FOLLOW) = -1 EOVERFLOW"
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" (Value too large for defined data type)\n",
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handle->handle_bytes, &mount_id);
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assert(!name_to_handle_at(dirfd, ".", handle, &mount_id, flags));
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printf("name_to_handle_at(AT_FDCWD, \".\", {handle_bytes=%u"
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", handle_type=%d, f_handle=0x",
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handle->handle_bytes, handle->handle_type);
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for (i = 0; i < handle->handle_bytes; ++i)
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printf("%02x", handle->f_handle[i]);
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printf("}, [%d], AT_SYMLINK_FOLLOW) = 0\n", mount_id);
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assert(open_by_handle_at(-1, handle, O_RDONLY | O_DIRECTORY));
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printf("open_by_handle_at(-1, {handle_bytes=%u, handle_type=%d"
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", f_handle=0x", handle->handle_bytes, handle->handle_type);
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for (i = 0; i < handle->handle_bytes; ++i)
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printf("%02x", handle->f_handle[i]);
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printf("}, O_RDONLY|O_DIRECTORY) = -1 %s\n",
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EPERM == errno ? "EPERM (Operation not permitted)" :
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EINVAL == errno ? "EINVAL (Invalid argument)" :
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"EBADF (Bad file descriptor)");
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puts("+++ exited with 0 +++");
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return 0;
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}
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#else
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int
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main(void)
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{
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return 77;
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}
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#endif
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