mfbt/SizePrintfMacros.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 /* Implements (nonstandard) PRI{ouxX}SIZE format macros for size_t types. */
   8
   9 #ifndef mozilla_SizePrintfMacros_h_
  10 #define mozilla_SizePrintfMacros_h_
  11
  12 /*
  13  * MSVC's libc does not support C99's %z format length modifier for size_t
  14  * types. Instead, we use Microsoft's nonstandard %I modifier for size_t, which
  15  * is unsigned __int32 on 32-bit platforms and unsigned __int64 on 64-bit
  16  * platforms:
  17  *
  18  * http://msdn.microsoft.com/en-us/library/tcxf1dw6.aspx
  19  */
  20
  21 #if defined(XP_WIN)
  22 #  define PRIoSIZE  "Io"
  23 #  define PRIuSIZE  "Iu"
  24 #  define PRIxSIZE  "Ix"
  25 #  define PRIXSIZE  "IX"
  26 #else
  27 #  define PRIoSIZE  "zo"
  28 #  define PRIuSIZE  "zu"
  29 #  define PRIxSIZE  "zx"
  30 #  define PRIXSIZE  "zX"
  31 #endif
  32
  33 #endif  /* mozilla_SizePrintfMacros_h_ */