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/* FriBidi
* common.h - common include for library sources
*
* Author:
* Behdad Esfahbod, 2004
*
* Copyright (C) 2004 Sharif FarsiWeb, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library, in a file named COPYING; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA
*
* For licensing issues, contact <fribidi.license@gmail.com>.
*/
#ifndef _COMMON_H
#define _COMMON_H
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <fribidi-common.h>
#ifndef false
# define false (0)
# endif /* !false */
# ifndef true
# define true (!false)
# endif /* !true */
#ifndef NULL
# ifdef __cplusplus
# define NULL (0L)
# else /* !__cplusplus */
# define NULL ((void*) 0)
# endif /* !__cplusplus */
#endif /* !NULL */
/* fribidi_malloc and fribidi_free should be used instead of malloc and free.
* No need to include any headers. */
#ifndef fribidi_malloc
# if HAVE_STDLIB_H
# ifndef __FRIBIDI_DOC
# include <stdlib.h>
# endif /* __FRIBIDI_DOC */
# define fribidi_malloc malloc
# else /* !HAVE_STDLIB_H */
# define fribidi_malloc (void *) malloc
# endif /* !HAVE_STDLIB_H */
# define fribidi_free free
#else /* fribidi_malloc */
# ifndef fribidi_free
# error "You should define fribidi_free too when you define fribidi_malloc."
# endif /* !fribidi_free */
#endif /* fribidi_malloc */
#ifdef HAVE_STRING_H
# if !STDC_HEADERS && HAVE_MEMORY_H
# include <memory.h>
# endif
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
/* FRIBIDI_BEGIN_STMT should be used at the beginning of your macro
* definitions that are to behave like simple statements. Use
* FRIBIDI_END_STMT at the end of the macro after the semicolon or brace. */
#ifndef FRIBIDI_BEGIN_STMT
# define FRIBIDI_BEGIN_STMT do {
# define FRIBIDI_END_STMT } while (0)
#endif /* !FRIBIDI_BEGIN_STMT */
/* LIKEYLY and UNLIKELY are used to give a hint on branch prediction to the
* compiler. */
#ifndef LIKELY
# if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__)
# define FRIBIDI_BOOLEAN_EXPR(expr) \
__extension__ ({ \
int fribidi_bool_var; \
if (expr) \
fribidi_bool_var = 1; \
else \
fribidi_bool_var = 0; \
fribidi_bool_var; \
})
# define LIKELY(expr) (__builtin_expect (FRIBIDI_BOOLEAN_EXPR(expr), 1))
# define UNLIKELY(expr) (__builtin_expect (FRIBIDI_BOOLEAN_EXPR(expr), 0))
# else
# define LIKELY
# define UNLIKELY
# endif /* _GNUC_ */
#endif /* !LIKELY */
#ifndef FRIBIDI_EMPTY_STMT
# define FRIBIDI_EMPTY_STMT FRIBIDI_BEGIN_STMT (void) 0; FRIBIDI_END_STMT
#endif /* !FRIBIDI_EMPTY_STMT */
#ifdef HAVE_STRINGIZE
# define STRINGIZE(symbol) #symbol
#else /* !HAVE_STRINGIZE */
# error "No stringize operator available?"
#endif /* !HAVE_STRINGIZE */
/* As per recommendation of GNU Coding Standards. */
#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif /* !_GNU_SOURCE */
/* We respect our own rules. */
#ifndef FRIBIDI_NO_DEPRECATED
# define FRIBIDI_NO_DEPRECATED
#endif /* !FRIBIDI_NO_DEPRECATED */
#include "debug.h"
#endif /* !_COMMON_H */
/* Editor directions:
* vim:textwidth=78:tabstop=8:shiftwidth=2:autoindent:cindent
*/
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