source: mainline/uspace/lib/posix/source/internal/common.h@ 0d0b319

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 0d0b319 was 0d0b319, checked in by Jiří Zárevúcky <zarevucky.jiri@…>, 7 years ago

Flip error constants to positive values, and update libposix for the change.

  • Property mode set to 100644
File size: 2.2 KB
Line 
1/*
2 * Copyright (c) 2011 Jiri Zarevucky
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup libposix
30 * @{
31 */
32/** @file Helper definitions common for all libposix files.
33 */
34
35#ifndef LIBPOSIX_COMMON_H_
36#define LIBPOSIX_COMMON_H_
37
38#include <stdio.h>
39#include <stdlib.h>
40#include <offset.h>
41#include <vfs/vfs.h>
42
43#define not_implemented() do { \
44 static int __not_implemented_counter = 0; \
45 if (__not_implemented_counter == 0) { \
46 fprintf(stderr, "%s() not implemented in %s:%d, something will NOT work.\n", \
47 __func__, __FILE__, __LINE__); \
48 } \
49 __not_implemented_counter++; \
50 } while (0)
51
52/* Checks if the value is a failing error code.
53 * If so, writes the error code to errno and returns true.
54 */
55static inline bool failed(int rc) {
56 if (rc != EOK) {
57 errno = rc;
58 return true;
59 }
60 return false;
61}
62
63extern aoff64_t posix_pos[MAX_OPEN_FILES];
64
65#endif /* LIBPOSIX_COMMON_H_ */
66
67/** @}
68 */
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