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build/unix/stdc++compat/stdc++compat.cpp@97036ab72558 (annotated)

build/unix/stdc++compat/stdc++compat.cpp

Tue, 06 Jan 2015 21:39:09 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Tue, 06 Jan 2015 21:39:09 +0100

branch

TOR_BUG_9701

changeset 8

97036ab72558

permissions

-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0	1	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	2	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	3	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	4
michael@0	5	#include <ostream>
michael@0	6	#include <istream>
michael@0	7	#include <string>
michael@0	8
michael@0	9	/* GLIBCXX_3.4.8 is from gcc 4.1.1 (111691)
michael@0	10	GLIBCXX_3.4.9 is from gcc 4.2.0 (111690)
michael@0	11	GLIBCXX_3.4.10 is from gcc 4.3.0 (126287)
michael@0	12	GLIBCXX_3.4.11 is from gcc 4.4.0 (133006)
michael@0	13	GLIBCXX_3.4.12 is from gcc 4.4.1 (147138)
michael@0	14	GLIBCXX_3.4.13 is from gcc 4.4.2 (151127)
michael@0	15	GLIBCXX_3.4.14 is from gcc 4.5.0 (151126)
michael@0	16	GLIBCXX_3.4.15 is from gcc 4.6.0 (160071)
michael@0	17	GLIBCXX_3.4.16 is form gcc 4.6.1 (172240) */
michael@0	18
michael@0	19	#define GLIBCXX_VERSION(a, b, c) (((a) << 16) | ((b) << 8) | (c))
michael@0	20
michael@0	21	namespace std {
michael@0	22	#if MOZ_LIBSTDCXX_VERSION >= GLIBCXX_VERSION(3, 4, 9)
michael@0	23	/* Instantiate these templates to avoid GLIBCXX_3.4.9 symbol versions */
michael@0	24	template ostream& ostream::_M_insert(double);
michael@0	25	template ostream& ostream::_M_insert(long);
michael@0	26	template ostream& ostream::_M_insert(unsigned long);
michael@0	27	template ostream& ostream::_M_insert(long long);
michael@0	28	template ostream& ostream::_M_insert(unsigned long long);
michael@0	29	template ostream& ostream::_M_insert(bool);
michael@0	30	template ostream& ostream::_M_insert(const void*);
michael@0	31	template ostream& __ostream_insert(ostream&, const char*, streamsize);
michael@0	32	template istream& istream::_M_extract(double&);
michael@0	33	template istream& istream::_M_extract(float&);
michael@0	34	template istream& istream::_M_extract(unsigned int&);
michael@0	35	template istream& istream::_M_extract(unsigned long&);
michael@0	36	template istream& istream::_M_extract(unsigned short&);
michael@0	37	template istream& istream::_M_extract(unsigned long long&);
michael@0	38	#endif
michael@0	39	#if MOZ_LIBSTDCXX_VERSION >= GLIBCXX_VERSION(3, 4, 14)
michael@0	40	/* Instantiate these templates to avoid GLIBCXX_3.4.14 symbol versions
michael@0	41	* depending on optimization level */
michael@0	42	template char *string::_S_construct_aux_2(size_type, char, allocator<char> const&);
michael@0	43	#ifdef _GLIBCXX_USE_WCHAR_T
michael@0	44	template wchar_t *wstring::_S_construct_aux_2(size_type, wchar_t, allocator<wchar_t> const&);
michael@0	45	#endif /* _GLIBCXX_USE_WCHAR_T */
michael@0	46	#ifdef __GXX_EXPERIMENTAL_CXX0X__
michael@0	47	template string::basic_string(string&&);
michael@0	48	template string& string::operator=(string&&);
michael@0	49	template wstring::basic_string(wstring&&);
michael@0	50	template wstring& wstring::operator=(wstring&&);
michael@0	51	template string& string::assign(string&&);
michael@0	52	template wstring& wstring::assign(wstring&&);
michael@0	53	#endif /* __GXX_EXPERIMENTAL_CXX0X__ */
michael@0	54	#endif /* (__GNUC__ == 4) && (__GNUC_MINOR__ >= 5) */
michael@0	55	}
michael@0	56
michael@0	57	namespace std __attribute__((visibility("default"))) {
michael@0	58	#if MOZ_LIBSTDCXX_VERSION >= GLIBCXX_VERSION(3, 4, 14)
michael@0	59	/* Hack to avoid GLIBCXX_3.4.14 symbol versions */
michael@0	60	struct _List_node_base
michael@0	61	{
michael@0	62	void hook(_List_node_base * const __position) throw ();
michael@0	63
michael@0	64	void unhook() throw ();
michael@0	65
michael@0	66	void transfer(_List_node_base * const __first,
michael@0	67	_List_node_base * const __last) throw();
michael@0	68
michael@0	69	void reverse() throw();
michael@0	70
michael@0	71	/* Hack to avoid GLIBCXX_3.4.15 symbol versions */
michael@0	72	#if MOZ_LIBSTDCXX_VERSION >= GLIBCXX_VERSION(3, 4, 15)
michael@0	73	static void swap(_List_node_base& __x, _List_node_base& __y) throw ();
michael@0	74	};
michael@0	75
michael@0	76	namespace __detail {
michael@0	77
michael@0	78	struct _List_node_base
michael@0	79	{
michael@0	80	#endif
michael@0	81	void _M_hook(_List_node_base * const __position) throw ();
michael@0	82
michael@0	83	void _M_unhook() throw ();
michael@0	84
michael@0	85	void _M_transfer(_List_node_base * const __first,
michael@0	86	_List_node_base * const __last) throw();
michael@0	87
michael@0	88	void _M_reverse() throw();
michael@0	89
michael@0	90	#if MOZ_LIBSTDCXX_VERSION >= GLIBCXX_VERSION(3, 4, 15)
michael@0	91	static void swap(_List_node_base& __x, _List_node_base& __y) throw ();
michael@0	92	#endif
michael@0	93	};
michael@0	94
michael@0	95	/* The functions actually have the same implementation */
michael@0	96	void
michael@0	97	_List_node_base::_M_hook(_List_node_base * const __position) throw ()
michael@0	98	{
michael@0	99	((std::_List_node_base *)this)->hook((std::_List_node_base * const) __position);
michael@0	100	}
michael@0	101
michael@0	102	void
michael@0	103	_List_node_base::_M_unhook() throw ()
michael@0	104	{
michael@0	105	((std::_List_node_base *)this)->unhook();
michael@0	106	}
michael@0	107
michael@0	108	void
michael@0	109	_List_node_base::_M_transfer(_List_node_base * const __first,
michael@0	110	_List_node_base * const __last) throw ()
michael@0	111	{
michael@0	112	((std::_List_node_base *)this)->transfer((std::_List_node_base * const)__first,
michael@0	113	(std::_List_node_base * const)__last);
michael@0	114	}
michael@0	115
michael@0	116	void
michael@0	117	_List_node_base::_M_reverse() throw ()
michael@0	118	{
michael@0	119	((std::_List_node_base *)this)->reverse();
michael@0	120	}
michael@0	121
michael@0	122	#if MOZ_LIBSTDCXX_VERSION >= GLIBCXX_VERSION(3, 4, 15)
michael@0	123	void
michael@0	124	_List_node_base::swap(_List_node_base& __x, _List_node_base& __y) throw ()
michael@0	125	{
michael@0	126	std::_List_node_base::swap(*((std::_List_node_base *) &__x),
michael@0	127	*((std::_List_node_base *) &__y));
michael@0	128	}
michael@0	129	}
michael@0	130	#endif
michael@0	131
michael@0	132	#endif /*MOZ_LIBSTDCXX_VERSION >= GLIBCXX_VERSION(3, 4, 14)*/
michael@0	133
michael@0	134	#if MOZ_LIBSTDCXX_VERSION >= GLIBCXX_VERSION(3, 4, 11)
michael@0	135	/* Hack to avoid GLIBCXX_3.4.11 symbol versions
michael@0	136	An inline definition of ctype<char>::_M_widen_init() used to be in
michael@0	137	locale_facets.h before GCC 4.4, but moved out of headers in more
michael@0	138	recent versions.
michael@0	139	It is actually safe to make it do nothing. */
michael@0	140	void ctype<char>::_M_widen_init() const {}
michael@0	141	#endif
michael@0	142
michael@0	143	}