webrtc/rtc_base/format_macros.h
Oleh Prypin 383adc025a Delete shim of PRId64 et al. on Windows
It should be present since MSVC 2013.

This is a port of 08e78a4733

Bug: webrtc:10852
Change-Id: Ie65fc74e11597e91aefacc13539218e3a5d7502f
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/148443
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Commit-Queue: Oleh Prypin <oprypin@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28805}
2019-08-08 08:29:18 +00:00

59 lines
1.7 KiB
C

/*
* Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef RTC_BASE_FORMAT_MACROS_H_
#define RTC_BASE_FORMAT_MACROS_H_
// This file defines the format macros for some integer types and is derived
// from Chromium's base/format_macros.h.
// To print a 64-bit value in a portable way:
// int64_t value;
// printf("xyz:%" PRId64, value);
// The "d" in the macro corresponds to %d; you can also use PRIu64 etc.
//
// To print a size_t value in a portable way:
// size_t size;
// printf("xyz: %" RTC_PRIuS, size);
// The "u" in the macro corresponds to %u, and S is for "size".
#if defined(WEBRTC_POSIX)
#if (defined(_INTTYPES_H) || defined(_INTTYPES_H_)) && !defined(PRId64)
#error "inttypes.h has already been included before this header file, but "
#error "without __STDC_FORMAT_MACROS defined."
#endif
#if !defined(__STDC_FORMAT_MACROS)
#define __STDC_FORMAT_MACROS
#endif
#include <inttypes.h>
#include "rtc_base/system/arch.h"
#define RTC_PRIuS "zu"
#else // WEBRTC_WIN
#include <inttypes.h>
#if !defined(PRId64) || !defined(PRIu64) || !defined(PRIx64)
#error "inttypes.h provided by win toolchain should define these."
#endif
// PRI*64 were added in MSVC 2013, while "%zu" is supported since MSVC 2015
// (so needs to be special-cased to "%Iu" instead).
#define RTC_PRIuS "Iu"
#endif
#endif // RTC_BASE_FORMAT_MACROS_H_