px4-firmware/nuttx/tools/cfgparser.h

78 lines
3.0 KiB
C

/****************************************************************************
* tools/cfgpaser.h
*
* Copyright (C) 2007-2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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
* COPYRIGHT OWNER OR CONTRIBUTORS 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.
*
****************************************************************************/
#ifndef __TOOLS_CFGPARSER_H
#define __TOOLS_CFGPARSER_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <stdio.h>
#include <limits.h>
/****************************************************************************
* Definitions
****************************************************************************/
#define LINESIZE ( PATH_MAX > 256 ? PATH_MAX : 256 )
/****************************************************************************
* Public Types
****************************************************************************/
struct variable_s
{
struct variable_s *flink;
char *var;
char *val;
char storage[1];
};
/****************************************************************************
* Public Data
****************************************************************************/
extern char line[LINESIZE+1];
/****************************************************************************
* Public Functions
****************************************************************************/
void parse_file(FILE *stream, struct variable_s **list);
struct variable_s *find_variable(const char *varname, struct variable_s *list);
#endif /* __TOOLS_CFGPARSER_H */