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