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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) && (defined(_INTTYPES_H) || defined(_INTTYPES_H_)) && \ | |
| 27 !defined(PRId64) | |
| 28 #error "inttypes.h has already been included before this header file, but " | |
| 29 #error "without __STDC_FORMAT_MACROS defined." | |
| 30 #endif | |
| 31 | |
| 32 #if defined(OS_POSIX) && !defined(__STDC_FORMAT_MACROS) | |
| 33 #define __STDC_FORMAT_MACROS | |
| 34 #endif | |
| 35 | |
| 36 #include <inttypes.h> | |
| 37 | |
| 38 #if defined(OS_POSIX) | |
| 39 | |
| 40 // GCC will concatenate wide and narrow strings correctly, so nothing needs to | |
| 41 // be done here. | |
| 42 #define WidePRId64 PRId64 | |
| 43 #define WidePRIu64 PRIu64 | |
| 44 #define WidePRIx64 PRIx64 | |
| 45 | |
| 46 #if !defined(PRIuS) | |
| 47 #define PRIuS "zu" | |
| 48 #endif | |
| 49 | |
| 50 // The size of NSInteger and NSUInteger varies between 32-bit and 64-bit | |
| 51 // architectures and Apple does not provides standard format macros and | |
| 52 // recommends casting. This has many drawbacks, so instead define macros | |
| 53 // for formatting those types. | |
| 54 #if defined(OS_MACOSX) | |
| 55 #if defined(ARCH_CPU_64_BITS) | |
| 56 #if !defined(PRIdNS) | |
| 57 #define PRIdNS "ld" | |
| 58 #endif | |
| 59 #if !defined(PRIuNS) | |
| 60 #define PRIuNS "lu" | |
| 61 #endif | |
| 62 #if !defined(PRIxNS) | |
| 63 #define PRIxNS "lx" | |
| 64 #endif | |
| 65 #else // defined(ARCH_CPU_64_BITS) | |
| 66 #if !defined(PRIdNS) | |
| 67 #define PRIdNS "d" | |
| 68 #endif | |
| 69 #if !defined(PRIuNS) | |
| 70 #define PRIuNS "u" | |
| 71 #endif | |
| 72 #if !defined(PRIxNS) | |
| 73 #define PRIxNS "x" | |
| 74 #endif | |
| 75 #endif | |
| 76 #endif // defined(OS_MACOSX) | |
| 77 | |
| 78 #else // OS_WIN | |
| 79 | |
| 80 #if !defined(PRId64) || !defined(PRIu64) || !defined(PRIx64) | |
| 81 #error "inttypes.h provided by win toolchain should define these." | |
| 82 #endif | |
| 83 | |
| 84 #define WidePRId64 L"I64d" | |
| 85 #define WidePRIu64 L"I64u" | |
| 86 #define WidePRIx64 L"I64x" | |
| 87 | |
| 88 #if !defined(PRIuS) | |
| 89 #define PRIuS "Iu" | |
| 90 #endif | |
| 91 | |
| 92 #endif | |
| 93 | |
| 94 #endif // BASE_FORMAT_MACROS_H_ | |
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