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 RTC_BASE_FORMAT_MACROS_H_ 12 #define RTC_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 "typedefs.h" // NOLINT(build/include) 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 // RTC_BASE_FORMAT_MACROS_H_ 97