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- // Copyright (c) 2009 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #ifndef BASE_FORMAT_MACROS_H_
- #define BASE_FORMAT_MACROS_H_
- // This file defines the format macros for some integer types.
- // 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.
- //
- // For wide strings, prepend "Wide" to the macro:
- // int64_t value;
- // StringPrintf(L"xyz: %" WidePRId64, value);
- //
- // To print a size_t value in a portable way:
- // size_t size;
- // printf("xyz: %" PRIuS, size);
- // The "u" in the macro corresponds to %u, and S is for "size".
- #include <stddef.h>
- #include <stdint.h>
- #include "build/build_config.h"
- #if (defined(OS_POSIX) || defined(OS_FUCHSIA)) && \
- (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(OS_POSIX) || defined(OS_FUCHSIA)) && !defined(__STDC_FORMAT_MACROS)
- #define __STDC_FORMAT_MACROS
- #endif
- #include <inttypes.h>
- #if defined(OS_WIN)
- #if !defined(PRId64) || !defined(PRIu64) || !defined(PRIx64)
- #error "inttypes.h provided by win toolchain should define these."
- #endif
- #define WidePRId64 L"I64d"
- #define WidePRIu64 L"I64u"
- #define WidePRIx64 L"I64x"
- #if !defined(PRIuS)
- #define PRIuS "Iu"
- #endif
- #elif defined(OS_POSIX) || defined(OS_FUCHSIA)
- // GCC will concatenate wide and narrow strings correctly, so nothing needs to
- // be done here.
- #define WidePRId64 PRId64
- #define WidePRIu64 PRIu64
- #define WidePRIx64 PRIx64
- #if !defined(PRIuS)
- #define PRIuS "zu"
- #endif
- #endif // defined(OS_WIN)
- // The size of NSInteger and NSUInteger varies between 32-bit and 64-bit
- // architectures and Apple does not provides standard format macros and
- // recommends casting. This has many drawbacks, so instead define macros
- // for formatting those types.
- #if defined(OS_APPLE)
- #if defined(ARCH_CPU_64_BITS)
- #if !defined(PRIdNS)
- #define PRIdNS "ld"
- #endif
- #if !defined(PRIuNS)
- #define PRIuNS "lu"
- #endif
- #if !defined(PRIxNS)
- #define PRIxNS "lx"
- #endif
- #else // defined(ARCH_CPU_64_BITS)
- #if !defined(PRIdNS)
- #define PRIdNS "d"
- #endif
- #if !defined(PRIuNS)
- #define PRIuNS "u"
- #endif
- #if !defined(PRIxNS)
- #define PRIxNS "x"
- #endif
- #endif
- #endif // defined(OS_APPLE)
- #endif // BASE_FORMAT_MACROS_H_
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