Sync ax_have_epoll.m4 with autoconf-archive

[lttng-tools.git] / src / common / config / ini.h

/*
 * inih -- simple .INI file parser
 *
 * The "inih" library is distributed under the New BSD license:
 *
 * Copyright (c) 2009, Brush Technology - 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.
 *     * Neither the name of Brush Technology 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 BRUSH TECHNOLOGY ''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 BRUSH TECHNOLOGY 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.
 *
 * http://code.google.com/p/inih/
 */

#ifndef __INI_H__
#define __INI_H__

/* Make this header file easier to include in C++ code */
#ifdef __cplusplus
extern "C" {
#endif

#include <stdio.h>

typedef int (*ini_entry_handler)(void *, const char *, const char *,
		const char *);

/*
 * Parse given INI-style file. May have [section]s, name=value pairs
 * (whitespace stripped), and comments starting with ';' (semicolon). Section
 * is "" if name=value pair parsed before any section heading. name:value
 * pairs are also supported as a concession to Python's ConfigParser.
 *
 * For each name=value pair parsed, call handler function with given user
 * pointer as well as section, name, and value (data only valid for duration
 * of handler call). Handler should return zero on success, < 0 on error.
 *
 * Returns 0 on success, line number of first error on parse error (doesn't
 * stop on first error), -1 on file open error, or -2 on memory allocation
 * error (only when INI_USE_STACK is zero).
 */
int ini_parse(const char *filename, ini_entry_handler handler, void *user);

/*
 * Same as ini_parse(), but takes a FILE* instead of filename. This doesn't
 * close the file when it's finished -- the caller must do that.
 */
int ini_parse_file(FILE *file, ini_entry_handler handler, void *user);

/*
 * Nonzero to allow multi-line value parsing, in the style of Python's
 * ConfigParser. If allowed, ini_parse() will call the handler with the same
 * name for each subsequent line parsed.
 */
#ifndef INI_ALLOW_MULTILINE
#define INI_ALLOW_MULTILINE 1
#endif

/*
 * Nonzero to allow a UTF-8 BOM sequence (0xEF 0xBB 0xBF) at the start of
 * the file. See http://code.google.com/p/inih/issues/detail?id=21
 */
#ifndef INI_ALLOW_BOM
#define INI_ALLOW_BOM 1
#endif

/* Nonzero to use stack, zero to use heap (malloc/free). */
#ifndef INI_USE_STACK
#define INI_USE_STACK 1
#endif

/* Maximum line length for any line in INI file. */
#ifndef INI_MAX_LINE
#define INI_MAX_LINE 200
#endif

#ifdef __cplusplus
}
#endif

#endif /* __INI_H__ */