/*
* Copyright (c) 2011 Jiri Zarevucky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup libposix
* @{
*/
/** @file Helper definitions common for all libposix files.
*/
#ifndef LIBPOSIX_COMMON_H_
#define LIBPOSIX_COMMON_H_
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <offset.h>
#include <vfs/vfs.h>
#define not_implemented() do { \
static int __not_implemented_counter = 0; \
if (__not_implemented_counter == 0) { \
fprintf(stderr, "%s() not implemented in %s:%d, something will NOT work.\n", \
__func__, __FILE__, __LINE__); \
} \
__not_implemented_counter++; \
} while (0)
// Just a marker for external tools.
#define _HIDE_LIBC_SYMBOL(symbol)
/** Checks if the value is a failing error code.
*
* If so, writes the error code to errno and returns true.
*/
static inline bool failed(int rc)
{
if (rc != EOK) {
errno = rc;
return true;
}
return false;
}
// TODO: Remove this arbitrary limit.
#define VFS_MAX_OPEN_FILES 128
extern aoff64_t posix_pos[VFS_MAX_OPEN_FILES];
#endif /* LIBPOSIX_COMMON_H_ */
/** @}
*/