libplatform/platform_posix.h

///////////////////////////////////////////////////////////////////////////////
//
//  The contents of this file are subject to the Mozilla Public License
//  Version 1.1 (the "License"); you may not use this file except in
//  compliance with the License. You may obtain a copy of the License at
//  http://www.mozilla.org/MPL/
//
//  Software distributed under the License is distributed on an "AS IS"
//  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
//  License for the specific language governing rights and limitations
//  under the License.
//
//  The Original Code is MP4v2.
//
//  The Initial Developer of the Original Code is Kona Blend.
//  Portions created by Kona Blend are Copyright (C) 2008.
//  All Rights Reserved.
//
//  Contributors:
//      Kona Blend, kona8lend@@gmail.com
//
///////////////////////////////////////////////////////////////////////////////

#ifndef MP4V2_PLATFORM_POSIX_H
#define MP4V2_PLATFORM_POSIX_H

///////////////////////////////////////////////////////////////////////////////

#include "libplatform/config.h"

///////////////////////////////////////////////////////////////////////////////

// constant macros are not usually used with C++ so the standard mechanism to
// activate it is to define before stdint.h
#ifndef __STDC_CONSTANT_MACROS
#   define __STDC_CONSTANT_MACROS
#endif

// format macros are not usually used with C++ so the standard mechanism to
// activate it is to define before inttypes.h
#ifndef __STDC_FORMAT_MACROS
#   define __STDC_FORMAT_MACROS
#endif

#ifdef NEED_LFS_ACTIVATION
#   ifndef _LARGEFILE_SOURCE
#       define _LARGEFILE_SOURCE
#       define _FILE_OFFSET_BITS 64
#   endif
#endif

///////////////////////////////////////////////////////////////////////////////

#include "libplatform/platform_base.h"
#include <inttypes.h>
#include <stdint.h>
#include <fcntl.h>
#include <unistd.h>
#include <functional>

#include <mp4v2/mp4v2.h>

///////////////////////////////////////////////////////////////////////////////

namespace mp4v2 { namespace platform {
   // using namespace std;

    using ::int8_t;
    using ::int16_t;
    using ::int32_t;
    using ::int64_t;

    using ::uint8_t;
    using ::uint16_t;
    using ::uint32_t;
    using ::uint64_t;
}} // namespace mp4v2::platform

///////////////////////////////////////////////////////////////////////////////

// win32 platform requires O_BINARY when using old open() calls so we add
// this harmless bit-flag for posix to avoid .cpp platform conditionals
#ifndef O_BINARY
#   define O_BINARY  0
#endif

///////////////////////////////////////////////////////////////////////////////

// ARM seems to require integer instructions operands to have 4-byte alignment
// so we set this macro to for some int<->string code to manually copy string
// bytes into an int which aligns it. This is much easier than trying to
// align pertinent string data (constants) from in text sections.
#if defined( __arm__ )
#   define MP4V2_INTSTRING_ALIGNMENT 1
#else
#   undef MP4V2_INTSTRING_ALIGNMENT
#endif

///////////////////////////////////////////////////////////////////////////////

#endif // MP4V2_PLATFORM_POSIX_H