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/*
* Copyright (c) 2002, 2003, 2004, Scott Nicol <esniper@users.sf.net>
* 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.
*
* 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 OPTIONS_H_INCLUDED
#define OPTIONS_H_INCLUDED
/* data types for option or configuration values */
#define OPTION_STRING 1
#define OPTION_INT 2
#define OPTION_BOOL 3
#define OPTION_BOOL_NEG 4
/* The special data types OPTION_SPECSTR and OPTION_SPECINT must be handled
* by the checking function, which is mandatory here.
* The parsing function does not care about the data type. It will provide
* the string value or NULL to the checking function.
* Distinguishing between numeric (including bool) and string values
* is important for the logging function that prints all option values.
*/
#define OPTION_SPECSTR 5
#define OPTION_SPECINT 6
/* flags to control logging of option values */
#define LOG_NORMAL 1 /* log value normal */
#define LOG_CONFID 2 /* log value as *** */
/* table to describe all option or configuration values */
typedef struct optionTable optionTable_t;
struct optionTable {
const char *configname; /* keyword in configuration files */
const char *optionname; /* option without '-' */
void *value; /* variable to store value */
int type; /* data type of expected value or option arg */
int logging; /* control logging of value (see LOG_*) */
/* This function will be called to check and copy value if specified.
* It can get the value by other means than converting the string
* found in configuration file or on command line.
*/
int (*checkfunc)(const void* valueptr, const optionTable_t* tableptr,
const char* filename, const char *line);
int isSet;
};
extern int readConfigFile(const char *filename, optionTable_t *table);
extern int parseGetoptValue(int option, const char *optval,
optionTable_t *table);
extern char * logOptionValues(const optionTable_t *table);
#endif /* OPTIONS_H_INCLUDED */
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