| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // This file contains definitions of our old basic integral types |
| // ((u)int{8,16,32,64}) and further includes. I recommend that you use the C99 |
| // standard types instead, and include <stdint.h>/<stddef.h>/etc. as needed. |
| // Note that the macros and macro-like constructs that were formerly defined in |
| // this file are now available separately in base/macros.h. |
| |
| #ifndef BASE_BASICTYPES_H_ |
| #define BASE_BASICTYPES_H_ |
| |
| #include <limits.h> // So we can set the bounds of our types. |
| #include <stddef.h> // For size_t. |
| #include <stdint.h> // For intptr_t. |
| |
| #include "base/macros.h" |
| #include "base/port.h" // Types that only need exist on certain systems. |
| |
| // DEPRECATED: Please use (u)int{8,16,32,64}_t instead (and include <stdint.h>). |
| typedef int8_t int8; |
| typedef uint8_t uint8; |
| typedef int16_t int16; |
| typedef int32_t int32; |
| typedef uint16_t uint16; |
| typedef uint32_t uint32; |
| |
| // TODO(vtl): Figure what's up with the 64-bit types. Can we just define them as |
| // |int64_t|/|uint64_t|? |
| // The NSPR system headers define 64-bit as |long| when possible, except on |
| // Mac OS X. In order to not have typedef mismatches, we do the same on LP64. |
| // |
| // On Mac OS X, |long long| is used for 64-bit types for compatibility with |
| // <inttypes.h> format macros even in the LP64 model. |
| #if defined(__LP64__) && !defined(OS_MACOSX) && !defined(OS_OPENBSD) |
| typedef long int64; |
| typedef unsigned long uint64; |
| #else |
| typedef long long int64; |
| typedef unsigned long long uint64; |
| #endif |
| |
| // DEPRECATED: Please use std::numeric_limits (from <limits>) instead. |
| const uint8 kuint8max = 0xFF; |
| const uint16 kuint16max = 0xFFFF; |
| const uint32 kuint32max = 0xFFFFFFFF; |
| const uint64 kuint64max = 0xFFFFFFFFFFFFFFFFULL; |
| const int8 kint8min = -0x7F - 1; |
| const int8 kint8max = 0x7F; |
| const int16 kint16min = -0x7FFF - 1; |
| const int16 kint16max = 0x7FFF; |
| const int32 kint32min = -0x7FFFFFFF - 1; |
| const int32 kint32max = 0x7FFFFFFF; |
| const int64 kint64min = -0x7FFFFFFFFFFFFFFFLL - 1; |
| const int64 kint64max = 0x7FFFFFFFFFFFFFFFLL; |
| |
| #endif // BASE_BASICTYPES_H_ |