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Side by Side Diff: base/format_macros.h

Issue 799633006: Pull in base/format_macros.h from Chromium, unmodified (Closed) Base URL: https://chromium.googlesource.com/chromium/mini_chromium@master
Patch Set: add to gyp Created 5 years, 11 months ago
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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef BASE_FORMAT_MACROS_H_
6 #define BASE_FORMAT_MACROS_H_
7
8 // This file defines the format macros for some integer types.
9
10 // To print a 64-bit value in a portable way:
11 // int64_t value;
12 // printf("xyz:%" PRId64, value);
13 // The "d" in the macro corresponds to %d; you can also use PRIu64 etc.
14 //
15 // For wide strings, prepend "Wide" to the macro:
16 // int64_t value;
17 // StringPrintf(L"xyz: %" WidePRId64, value);
18 //
19 // To print a size_t value in a portable way:
20 // size_t size;
21 // printf("xyz: %" PRIuS, size);
22 // The "u" in the macro corresponds to %u, and S is for "size".
23
24 #include "build/build_config.h"
25
26 #if defined(OS_POSIX)
27
28 #if (defined(_INTTYPES_H) || defined(_INTTYPES_H_)) && !defined(PRId64)
29 #error "inttypes.h has already been included before this header file, but "
30 #error "without __STDC_FORMAT_MACROS defined."
31 #endif
32
33 #if !defined(__STDC_FORMAT_MACROS)
34 #define __STDC_FORMAT_MACROS
35 #endif
36
37 #include <inttypes.h>
38
39 // GCC will concatenate wide and narrow strings correctly, so nothing needs to
40 // be done here.
41 #define WidePRId64 PRId64
42 #define WidePRIu64 PRIu64
43 #define WidePRIx64 PRIx64
44
45 #if !defined(PRIuS)
46 #define PRIuS "zu"
47 #endif
48
49 // The size of NSInteger and NSUInteger varies between 32-bit and 64-bit
50 // architectures and Apple does not provides standard format macros and
51 // recommends casting. This has many drawbacks, so instead define macros
52 // for formatting those types.
53 #if defined(OS_MACOSX)
54 #if defined(ARCH_CPU_64_BITS)
55 #if !defined(PRIdNS)
56 #define PRIdNS "ld"
57 #endif
58 #if !defined(PRIuNS)
59 #define PRIuNS "lu"
60 #endif
61 #if !defined(PRIxNS)
62 #define PRIxNS "lx"
63 #endif
64 #else // defined(ARCH_CPU_64_BITS)
65 #if !defined(PRIdNS)
66 #define PRIdNS "d"
67 #endif
68 #if !defined(PRIuNS)
69 #define PRIuNS "u"
70 #endif
71 #if !defined(PRIxNS)
72 #define PRIxNS "x"
73 #endif
74 #endif
75 #endif // defined(OS_MACOSX)
76
77 #else // OS_WIN
78
79 #if !defined(PRId64)
80 #define PRId64 "I64d"
81 #endif
82
83 #if !defined(PRIu64)
84 #define PRIu64 "I64u"
85 #endif
86
87 #if !defined(PRIx64)
88 #define PRIx64 "I64x"
89 #endif
90
91 #define WidePRId64 L"I64d"
92 #define WidePRIu64 L"I64u"
93 #define WidePRIx64 L"I64x"
94
95 #if !defined(PRIuS)
96 #define PRIuS "Iu"
97 #endif
98
99 #endif
100
101 #endif // BASE_FORMAT_MACROS_H_
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