wposix_types.h

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/* Copyright (C) 2010 Wildfire Games.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
/*
 * type definitions needed for wposix.
 */
 
#ifndef INCLUDED_WPOSIX_TYPES
#define INCLUDED_WPOSIX_TYPES
 
#include <crtdefs.h>    // intptr_t
 
 
//
// <inttypes.h>
//
 
typedef signed char int8_t;
typedef short int16_t;
 
// already defined by MinGW
#if MSC_VERSION
typedef int int32_t;
#endif
 
#if MSC_VERSION || ICC_VERSION || LCC_VERSION
typedef __int64 int64_t;
#else
typedef long long int64_t;
#endif
 
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned int uint32_t;
#if MSC_VERSION || ICC_VERSION || LCC_VERSION
typedef unsigned __int64 uint64_t;
#else
typedef unsigned long long uint64_t;
#endif
 
// note: we used to define [u]intptr_t here (if not already done).
// however, it's not necessary with VC7 and later, and the compiler's
// definition squelches 'pointer-to-int truncation' warnings, so don't.
 
#if MSC_VERSION >= 1600
# include <cstdint>
#else // define them ourselves
# define INT16_MAX 32767
# define INT16_MIN (-INT16_MAX-1)
# define UINT16_MAX 65536u
# define UINT16_MIN 0u
# define INT32_MAX 2147483647
# define INT32_MIN (-INT32_MAX-1)
# define UINT32_MAX 4294967295u
# define UINT32_MIN 0u
#endif
 
 
//
// <sys/types.h>
//
 
typedef intptr_t ssize_t;
// prevent wxWidgets from (incompatibly) redefining it
#define HAVE_SSIZE_T
 
// VC9 defines off_t as long, but we need 64-bit file offsets even in
// 32-bit builds. to avoid conflicts, we have to define _OFF_T_DEFINED,
// which promises _off_t has also been defined. since that's used by
// CRT headers, we have to define it too, but must use the original
// long type to avoid breaking struct stat et al.
typedef __int64 off_t;
typedef long _off_t;
#define _OFF_T_DEFINED
 
 
//
// <limits.h>
//
 
// Win32 MAX_PATH is 260; our number may be a bit more efficient.
#define PATH_MAX 256u
 
#if OS_WIN
# ifndef SIZE_MAX // VC2005 already defines this in limits.h
#  define SIZE_MAX 0xFFFFFFFF
# endif
#else
# define SIZE_MAX 0xFFFFFFFFFFFFFFFF
#endif
 
 
#endif  // #ifndef INCLUDED_WPOSIX_TYPES