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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef BASE_FORMAT_MACROS_H_ | 5 #ifndef BASE_FORMAT_MACROS_H_ |
6 #define BASE_FORMAT_MACROS_H_ | 6 #define BASE_FORMAT_MACROS_H_ |
7 | 7 |
8 // This file defines the C99 format macros for 64-bit values. If you wish to | 8 // This file defines the format macros for some integer types. |
9 // print a 64-bit value in a portable way do: | 9 |
| 10 // To print a 64-bit value in a portable way: |
10 // int64_t value; | 11 // int64_t value; |
11 // printf("xyz:%" PRId64, value); | 12 // printf("xyz:%" PRId64, value); |
| 13 // The "d" in the macro corresponds to %d; you can also use PRIu64 etc. |
12 // | 14 // |
13 // For wide strings, prepend "Wide" to the macro: | 15 // For wide strings, prepend "Wide" to the macro: |
14 // int64_t value; | 16 // int64_t value; |
15 // StringPrintf(L"xyz: %" WidePRId64, 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". |
16 | 23 |
17 #include "build/build_config.h" | 24 #include "build/build_config.h" |
18 | 25 |
19 #if defined(OS_POSIX) | 26 #if defined(OS_POSIX) |
20 | 27 |
21 #if (defined(_INTTYPES_H) || defined(_INTTYPES_H_)) && !defined(PRId64) | 28 #if (defined(_INTTYPES_H) || defined(_INTTYPES_H_)) && !defined(PRId64) |
22 #error "inttypes.h has already been included before this header file, but " | 29 #error "inttypes.h has already been included before this header file, but " |
23 #error "without __STDC_FORMAT_MACROS defined." | 30 #error "without __STDC_FORMAT_MACROS defined." |
24 #endif | 31 #endif |
25 | 32 |
26 #if !defined(__STDC_FORMAT_MACROS) | 33 #if !defined(__STDC_FORMAT_MACROS) |
27 #define __STDC_FORMAT_MACROS | 34 #define __STDC_FORMAT_MACROS |
28 #endif | 35 #endif |
29 | 36 |
30 #include <inttypes.h> | 37 #include <inttypes.h> |
31 | 38 |
32 // GCC will concatenate wide and narrow strings correctly, so nothing needs to | 39 // GCC will concatenate wide and narrow strings correctly, so nothing needs to |
33 // be done here. | 40 // be done here. |
34 #define WidePRId64 PRId64 | 41 #define WidePRId64 PRId64 |
35 #define WidePRIu64 PRIu64 | 42 #define WidePRIu64 PRIu64 |
36 #define WidePRIx64 PRIx64 | 43 #define WidePRIx64 PRIx64 |
37 | 44 |
| 45 #define PRIuS "zu" |
| 46 |
38 #else // OS_WIN | 47 #else // OS_WIN |
39 | 48 |
40 #if !defined(PRId64) | 49 #if !defined(PRId64) |
41 #define PRId64 "I64d" | 50 #define PRId64 "I64d" |
42 #endif | 51 #endif |
43 | 52 |
44 #if !defined(PRIu64) | 53 #if !defined(PRIu64) |
45 #define PRIu64 "I64u" | 54 #define PRIu64 "I64u" |
46 #endif | 55 #endif |
47 | 56 |
48 #if !defined(PRIx64) | 57 #if !defined(PRIx64) |
49 #define PRIx64 "I64x" | 58 #define PRIx64 "I64x" |
50 #endif | 59 #endif |
51 | 60 |
52 #define WidePRId64 L"I64d" | 61 #define WidePRId64 L"I64d" |
53 #define WidePRIu64 L"I64u" | 62 #define WidePRIu64 L"I64u" |
54 #define WidePRIx64 L"I64x" | 63 #define WidePRIx64 L"I64x" |
55 | 64 |
| 65 #define PRIuS "Iu" |
| 66 |
56 #endif | 67 #endif |
57 | 68 |
58 #endif // !BASE_FORMAT_MACROS_H_ | 69 #endif // !BASE_FORMAT_MACROS_H_ |
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