1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // This file contains definitions of our old basic integral types 6 // ((u)int{8,16,32,64}) and further includes. I recommend that you use the C99 7 // standard types instead, and include <stdint.h>/<stddef.h>/etc. as needed. 8 // Note that the macros and macro-like constructs that were formerly defined in 9 // this file are now available separately in base/macros.h. 10 11 #ifndef BASE_BASICTYPES_H_ 12 #define BASE_BASICTYPES_H_ 13 14 #include <limits.h> // So we can set the bounds of our types. 15 #include <stddef.h> // For size_t. 16 #include <stdint.h> // For intptr_t. 17 18 #include "quipper/base/macros.h" 19 #include "quipper/base/port.h" // Types that only need exist on certain systems. 20 21 // DEPRECATED: Please use (u)int{8,16,32,64}_t instead (and include <stdint.h>). 22 typedef int8_t int8; 23 typedef uint8_t uint8; 24 typedef int16_t int16; 25 typedef int32_t int32; 26 typedef uint16_t uint16; 27 typedef uint32_t uint32; 28 29 // TODO(vtl): Figure what's up with the 64-bit types. Can we just define them as 30 // |int64_t|/|uint64_t|? 31 // The NSPR system headers define 64-bit as |long| when possible, except on 32 // Mac OS X. In order to not have typedef mismatches, we do the same on LP64. 33 // 34 // On Mac OS X, |long long| is used for 64-bit types for compatibility with 35 // <inttypes.h> format macros even in the LP64 model. 36 #if defined(__LP64__) && !defined(OS_MACOSX) && !defined(OS_OPENBSD) 37 typedef long int64; 38 typedef unsigned long uint64; 39 #else 40 typedef long long int64; 41 typedef unsigned long long uint64; 42 #endif 43 44 // DEPRECATED: Please use std::numeric_limits (from <limits>) instead. 45 const uint8 kuint8max = 0xFF; 46 const uint16 kuint16max = 0xFFFF; 47 const uint32 kuint32max = 0xFFFFFFFF; 48 const uint64 kuint64max = 0xFFFFFFFFFFFFFFFFULL; 49 const int8 kint8min = -0x7F - 1; 50 const int8 kint8max = 0x7F; 51 const int16 kint16min = -0x7FFF - 1; 52 const int16 kint16max = 0x7FFF; 53 const int32 kint32min = -0x7FFFFFFF - 1; 54 const int32 kint32max = 0x7FFFFFFF; 55 const int64 kint64min = -0x7FFFFFFFFFFFFFFFLL - 1; 56 const int64 kint64max = 0x7FFFFFFFFFFFFFFFLL; 57 58 #endif // BASE_BASICTYPES_H_ 59
