/* -*- 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_ */