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https://gitlab.winehq.org/wine/wine-gecko.git
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dc257cd65c
Backed out changeset 7f68752ffe1e (bug 965022) Backed out changeset 24251d4da019 (bug 965022) Backed out changeset a34ae046c947 (bug 965022) Backed out changeset f747fd154739 (bug 965022) Backed out changeset f076faf3c282 (bug 965022)
63 lines
2.4 KiB
C
63 lines
2.4 KiB
C
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* Implements the C99 <inttypes.h> interface, minus the SCN* format macros. */
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#ifndef mozilla_IntegerPrintfMacros_h_
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#define mozilla_IntegerPrintfMacros_h_
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/*
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* MSVC++ doesn't include <inttypes.h>, even in versions shipping <stdint.h>, so
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* we have to reimplement it there. Note: <inttypes.h> #includes <stdint.h>.
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*
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* Note that this header DOES NOT implement <inttypes.h>'s scanf macros. MSVC's
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* scanf doesn't have sufficient format specifier support to implement them
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* (specifically, to implement scanning into an 8-bit location).
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*
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* http://stackoverflow.com/questions/3036396/scanfd-char-char-as-int-format-string
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*
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* Moreover, scanf is a footgun: if the input number exceeds the bounds of the
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* target type, behavior is undefined (in the compiler sense: that is, this code
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* could overwrite your hard drive with zeroes):
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*
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* uint8_t u;
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* sscanf("256", "%" SCNu8, &u); // BAD
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*
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* This header will sometimes provide SCN* macros, by dint of being implemented
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* using <inttypes.h>. But for these reasons, *never* use them!
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*/
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#if defined(MOZ_CUSTOM_INTTYPES_H)
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# include MOZ_CUSTOM_INTTYPES_H
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#elif defined(_MSC_VER)
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# include "mozilla/MSIntTypes.h"
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#else
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# include <inttypes.h>
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#endif
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/*
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* Fix up Android's broken [u]intptr_t inttype macros. Android's PRI*PTR
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* macros are defined as "ld", but sizeof(long) is 8 and sizeof(intptr_t)
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* is 4 on 32-bit Android. TestTypeTraits.cpp asserts that these new macro
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* definitions match the actual type sizes seen at compile time.
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*/
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#if defined(ANDROID) && !defined(__LP64__)
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# undef PRIdPTR /* intptr_t */
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# define PRIdPTR "d" /* intptr_t */
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# undef PRIiPTR /* intptr_t */
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# define PRIiPTR "i" /* intptr_t */
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# undef PRIoPTR /* uintptr_t */
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# define PRIoPTR "o" /* uintptr_t */
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# undef PRIuPTR /* uintptr_t */
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# define PRIuPTR "u" /* uintptr_t */
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# undef PRIxPTR /* uintptr_t */
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# define PRIxPTR "x" /* uintptr_t */
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# undef PRIXPTR /* uintptr_t */
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# define PRIXPTR "X" /* uintptr_t */
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#endif
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#endif /* mozilla_IntegerPrintfMacros_h_ */
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