| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152 |
- /* -*- 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_ */
|
