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: %" RTC_PRIuS, size); 25 // The "u" in the macro corresponds to %u, and S is for "size". 26 27 #if defined(WEBRTC_POSIX) 28 29 #if (defined(_INTTYPES_H) || defined(_INTTYPES_H_)) && !defined(PRId64) 30 #error "inttypes.h has already been included before this header file, but " 31 #error "without __STDC_FORMAT_MACROS defined." 32 #endif 33 34 #if !defined(__STDC_FORMAT_MACROS) 35 #define __STDC_FORMAT_MACROS 36 #endif 37 38 #include <inttypes.h> 39 40 #include "rtc_base/system/arch.h" 41 42 #define RTC_PRIuS "zu" 43 44 #else // WEBRTC_WIN 45 46 #include <inttypes.h> 47 48 #if !defined(PRId64) || !defined(PRIu64) || !defined(PRIx64) 49 #error "inttypes.h provided by win toolchain should define these." 50 #endif 51 52 // PRI*64 were added in MSVC 2013, while "%zu" is supported since MSVC 2015 53 // (so needs to be special-cased to "%Iu" instead). 54 55 #define RTC_PRIuS "Iu" 56 57 #endif 58 59 #endif // RTC_BASE_FORMAT_MACROS_H_ 60