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/* FriBidi
* common.h - common include for library sources
*
* $Id: common.h,v 1.20 2008-04-08 21:38:23 behdad Exp $
* $Author: behdad $
* $Date: 2008-04-08 21:38:23 $
* $Revision: 1.20 $
* $Source: /cvs/fribidi/fribidi2/lib/common.h,v $
*
* 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., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA
*
* For licensing issues, contact <license@farsiweb.info>.
*/
#ifndef _COMMON_H
#define _COMMON_H
#if HAVE_CONFIG_H+0
# include <config.h>
#endif
#include <fribidi-common.h>
/* FRIBIDI_PRIVATESPACE is a macro used to name library internal symbols. */
#ifndef FRIBIDI_PRIVATESPACE
# define FRIBIDI_PRIVATESPACE1(A,B) A##B
# define FRIBIDI_PRIVATESPACE0(A,B) FRIBIDI_PRIVATESPACE1(A,B)
# define FRIBIDI_PRIVATESPACE(SYMBOL) FRIBIDI_PRIVATESPACE0(_,FRIBIDI_NAMESPACE(_##SYMBOL##__internal__))
#endif /* !FRIBIDI_PRIVATESPACE */
#if (defined(WIN32)) || (defined(_WIN32_WCE))
# define FRIBIDI_ENTRY __declspec(dllexport)
#endif /* WIN32 */
#if FRIBIDI_USE_GLIB+0
# ifndef SIZEOF_LONG
# define SIZEOF_LONG GLIB_SIZEOF_LONG
# endif /* !SIZEOF_LONG */
# ifndef SIZEOF_VOID_P
# define SIZEOF_VOID_P GLIB_SIZEOF_VOID_P
# endif /* !SIZEOF_VOID_P */
# ifndef __FRIBIDI_DOC
# include <glib/gmem.h>
# endif /* !__FRIBIDI_DOC */
# ifndef fribidi_malloc
# define fribidi_malloc g_try_malloc
# define fribidi_free g_free
# endif /* !fribidi_malloc */
# ifndef fribidi_assert
# ifndef __FRIBIDI_DOC
# include <glib/gmessages.h>
# endif /* !__FRIBIDI_DOC */
# define fribidi_assert g_assert
# endif /* !fribidi_assert */
# ifndef __FRIBIDI_DOC
# include <glib/gmacros.h>
# endif /* !__FRIBIDI_DOC */
# ifndef FRIBIDI_BEGIN_STMT
# define FRIBIDI_BEGIN_STMT G_STMT_START {
# define FRIBIDI_END_STMT } G_STMT_END
# endif /* !FRIBIDI_BEGIN_STMT */
# ifndef LIKELY
# define LIKELY G_LIKELY
# define UNLIKELY G_UNLIKELY
# endif /* !LIKELY */
# ifndef false
# define false FALSE
# endif /* !false */
# ifndef true
# define true TRUE
# endif /* !true */
#endif /* FRIBIDI_USE_GLIB */
#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 */
#if HAVE_STRING_H+0
# if !STDC_HEADERS && HAVE_MEMORY_H
# include <memory.h>
# endif
# include <string.h>
#endif
#if HAVE_STRINGS_H+0
# include <strings.h>
#endif
/* FRIBIDI_CHUNK_SIZE is the number of bytes in each chunk of memory being
* allocated for data structure pools. */
#ifndef FRIBIDI_CHUNK_SIZE
# if HAVE_ASM_PAGE_H
# ifndef __FRIBIDI_DOC
# include <asm/page.h>
# endif /* __FRIBIDI_DOC */
# define FRIBIDI_CHUNK_SIZE (PAGE_SIZE - 16)
# else /* !HAVE_ASM_PAGE_H */
# define FRIBIDI_CHUNK_SIZE (4096 - 16)
# endif /* !HAVE_ASM_PAGE_H */
#else /* FRIBIDI_CHUNK_SIZE */
# if FRIBIDI_CHUNK_SIZE < 256
# error FRIBIDI_CHUNK_SIZE now should define the size of a chunk in bytes.
# endif /* FRIBIDI_CHUNK_SIZE < 256 */
#endif /* FRIBIDI_CHUNK_SIZE */
/* 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
# define LIKELY
# define UNLIKELY
#endif /* !LIKELY */
#ifndef FRIBIDI_EMPTY_STMT
# define FRIBIDI_EMPTY_STMT FRIBIDI_BEGIN_STMT (void) 0; FRIBIDI_END_STMT
#endif /* !FRIBIDI_EMPTY_STMT */
#if HAVE_STRINGIZE+0
# define STRINGIZE(symbol) #symbol
#else /* !HAVE_STRINGIZE */
# define STRINGIZE(symbol) (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. */
#define FRIBIDI_NO_DEPRECATED
#include "debug.h"
#endif /* !_COMMON_H */
/* Editor directions:
* vim:textwidth=78:tabstop=8:shiftwidth=2:autoindent:cindent
*/
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