michael@0: // Copyright (c) 2009 The Chromium Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: 
michael@0: #ifndef BASE_FORMAT_MACROS_H_
michael@0: #define BASE_FORMAT_MACROS_H_
michael@0: 
michael@0: // This file defines the format macros for some integer types.
michael@0: 
michael@0: // To print a 64-bit value in a portable way:
michael@0: //   int64_t value;
michael@0: //   printf("xyz:%" PRId64, value);
michael@0: // The "d" in the macro corresponds to %d; you can also use PRIu64 etc.
michael@0: //
michael@0: // For wide strings, prepend "Wide" to the macro:
michael@0: //   int64_t value;
michael@0: //   StringPrintf(L"xyz: %" WidePRId64, value);
michael@0: //
michael@0: // To print a size_t value in a portable way:
michael@0: //   size_t size;
michael@0: //   printf("xyz: %" PRIuS, size);
michael@0: // The "u" in the macro corresponds to %u, and S is for "size".
michael@0: 
michael@0: #include "build/build_config.h"
michael@0: 
michael@0: #if defined(OS_POSIX)
michael@0: 
michael@0: #if (defined(_INTTYPES_H) || defined(_INTTYPES_H_)) && !defined(PRId64)
michael@0: #error "inttypes.h has already been included before this header file, but "
michael@0: #error "without __STDC_FORMAT_MACROS defined."
michael@0: #endif
michael@0: 
michael@0: #if !defined(__STDC_FORMAT_MACROS)
michael@0: #define __STDC_FORMAT_MACROS
michael@0: #endif
michael@0: 
michael@0: #include <inttypes.h>
michael@0: 
michael@0: // GCC will concatenate wide and narrow strings correctly, so nothing needs to
michael@0: // be done here.
michael@0: #define WidePRId64 PRId64
michael@0: #define WidePRIu64 PRIu64
michael@0: #define WidePRIx64 PRIx64
michael@0: 
michael@0: #if !defined(PRIuS)
michael@0: #define PRIuS "zu"
michael@0: #endif
michael@0: 
michael@0: #else  // OS_WIN
michael@0: 
michael@0: #if !defined(PRId64)
michael@0: #define PRId64 "I64d"
michael@0: #endif
michael@0: 
michael@0: #if !defined(PRIu64)
michael@0: #define PRIu64 "I64u"
michael@0: #endif
michael@0: 
michael@0: #if !defined(PRIx64)
michael@0: #define PRIx64 "I64x"
michael@0: #endif
michael@0: 
michael@0: #define WidePRId64 L"I64d"
michael@0: #define WidePRIu64 L"I64u"
michael@0: #define WidePRIx64 L"I64x"
michael@0: 
michael@0: #if !defined(PRIuS)
michael@0: #define PRIuS "Iu"
michael@0: #endif
michael@0: 
michael@0: #endif
michael@0: 
michael@0: #endif  // BASE_FORMAT_MACROS_H_