| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| /* vim: set ts=8 sts=2 et sw=2 tw=80: */ |
| /* This Source Code Form is subject to the terms of the Mozilla Public |
| * License, v. 2.0. If a copy of the MPL was not distributed with this |
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| |
| /* Implements the C99 <inttypes.h> interface. */ |
| |
| #ifndef mozilla_IntegerPrintfMacros_h_ |
| #define mozilla_IntegerPrintfMacros_h_ |
| |
| /* |
| * These macros should not be used with the NSPR printf-like functions or their |
| * users, e.g. mozilla/Logging.h. If you need to use NSPR's facilities, see the |
| * comment on supported formats at the top of nsprpub/pr/include/prprf.h. |
| */ |
| |
| /* |
| * scanf is a footgun: if the input number exceeds the bounds of the target |
| * type, behavior is undefined (in the compiler sense: that is, this code |
| * could overwrite your hard drive with zeroes): |
| * |
| * uint8_t u; |
| * sscanf("256", "%" SCNu8, &u); // BAD |
| * |
| * For this reason, *never* use the SCN* macros provided by this header! |
| */ |
| |
| #include <inttypes.h> |
| |
| /* |
| * Fix up Android's broken [u]intptr_t inttype macros. Android's PRI*PTR |
| * macros are defined as "ld", but sizeof(long) is 8 and sizeof(intptr_t) |
| * is 4 on 32-bit Android. TestTypeTraits.cpp asserts that these new macro |
| * definitions match the actual type sizes seen at compile time. |
| */ |
| #if defined(ANDROID) && !defined(__LP64__) |
| # undef PRIdPTR /* intptr_t */ |
| # define PRIdPTR "d" /* intptr_t */ |
| # undef PRIiPTR /* intptr_t */ |
| # define PRIiPTR "i" /* intptr_t */ |
| # undef PRIoPTR /* uintptr_t */ |
| # define PRIoPTR "o" /* uintptr_t */ |
| # undef PRIuPTR /* uintptr_t */ |
| # define PRIuPTR "u" /* uintptr_t */ |
| # undef PRIxPTR /* uintptr_t */ |
| # define PRIxPTR "x" /* uintptr_t */ |
| # undef PRIXPTR /* uintptr_t */ |
| # define PRIXPTR "X" /* uintptr_t */ |
| #endif |
| |
| #endif /* mozilla_IntegerPrintfMacros_h_ */ |
