1/* 2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11#ifndef WEBRTC_BASE_FORMAT_MACROS_H_ 12#define WEBRTC_BASE_FORMAT_MACROS_H_ 13 14// This file defines the format macros for some integer types and is derived 15// from Chromium's base/format_macros.h. 16 17// To print a 64-bit value in a portable way: 18// int64_t value; 19// printf("xyz:%" PRId64, value); 20// The "d" in the macro corresponds to %d; you can also use PRIu64 etc. 21// 22// To print a size_t value in a portable way: 23// size_t size; 24// printf("xyz: %" PRIuS, size); 25// The "u" in the macro corresponds to %u, and S is for "size". 26 27#include "webrtc/typedefs.h" 28 29#if defined(WEBRTC_POSIX) 30 31#if (defined(_INTTYPES_H) || defined(_INTTYPES_H_)) && !defined(PRId64) 32#error "inttypes.h has already been included before this header file, but " 33#error "without __STDC_FORMAT_MACROS defined." 34#endif 35 36#if !defined(__STDC_FORMAT_MACROS) 37#define __STDC_FORMAT_MACROS 38#endif 39 40#include <inttypes.h> 41 42#if !defined(PRIuS) 43#define PRIuS "zu" 44#endif 45 46// The size of NSInteger and NSUInteger varies between 32-bit and 64-bit 47// architectures and Apple does not provides standard format macros and 48// recommends casting. This has many drawbacks, so instead define macros 49// for formatting those types. 50#if defined(WEBRTC_MAC) 51#if defined(WEBRTC_ARCH_64_BITS) 52#if !defined(PRIdNS) 53#define PRIdNS "ld" 54#endif 55#if !defined(PRIuNS) 56#define PRIuNS "lu" 57#endif 58#if !defined(PRIxNS) 59#define PRIxNS "lx" 60#endif 61#else // defined(WEBRTC_ARCH_64_BITS) 62#if !defined(PRIdNS) 63#define PRIdNS "d" 64#endif 65#if !defined(PRIuNS) 66#define PRIuNS "u" 67#endif 68#if !defined(PRIxNS) 69#define PRIxNS "x" 70#endif 71#endif 72#endif // defined(WEBRTC_MAC) 73 74#else // WEBRTC_WIN 75 76#include <inttypes.h> 77 78#if !defined(PRId64) 79#define PRId64 "I64d" 80#endif 81 82#if !defined(PRIu64) 83#define PRIu64 "I64u" 84#endif 85 86#if !defined(PRIx64) 87#define PRIx64 "I64x" 88#endif 89 90#if !defined(PRIuS) 91#define PRIuS "Iu" 92#endif 93 94#endif 95 96#endif // WEBRTC_BASE_FORMAT_MACROS_H_ 97