libmalcontent: Add a constructor to bind the translation domain
This ensures that the translation domain is loaded for malcontent as soon as the library is loaded. The same is not needed for libmalcontent-ui, because it always causes libmalcontent to be loaded. Signed-off-by: Philip Withnall <withnall@endlessm.com>
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Philip Withnall
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3556813c55
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/*
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If G_HAS_CONSTRUCTORS is true then the compiler support *both* constructors and
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destructors, in a sane way, including e.g. on library unload. If not you're on
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your own.
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Some compilers need #pragma to handle this, which does not work with macros,
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so the way you need to use this is (for constructors):
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#ifdef G_DEFINE_CONSTRUCTOR_NEEDS_PRAGMA
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#pragma G_DEFINE_CONSTRUCTOR_PRAGMA_ARGS(my_constructor)
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#endif
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G_DEFINE_CONSTRUCTOR(my_constructor)
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static void my_constructor(void) {
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...
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}
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*/
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#ifndef __GTK_DOC_IGNORE__
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#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
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#define G_HAS_CONSTRUCTORS 1
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#define G_DEFINE_CONSTRUCTOR(_func) static void __attribute__((constructor)) _func (void);
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#define G_DEFINE_DESTRUCTOR(_func) static void __attribute__((destructor)) _func (void);
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#elif defined (_MSC_VER) && (_MSC_VER >= 1500)
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/* Visual studio 2008 and later has _Pragma */
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#include <stdlib.h>
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#define G_HAS_CONSTRUCTORS 1
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/* We do some weird things to avoid the constructors being optimized
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* away on VS2015 if WholeProgramOptimization is enabled. First we
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* make a reference to the array from the wrapper to make sure its
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* references. Then we use a pragma to make sure the wrapper function
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* symbol is always included at the link stage. Also, the symbols
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* need to be extern (but not dllexport), even though they are not
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* really used from another object file.
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*/
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/* We need to account for differences between the mangling of symbols
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* for Win32 (x86) and x64 programs, as symbols on Win32 are prefixed
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* with an underscore but symbols on x64 are not.
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*/
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#ifdef _WIN64
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#define G_MSVC_SYMBOL_PREFIX ""
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#else
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#define G_MSVC_SYMBOL_PREFIX "_"
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#endif
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#define G_DEFINE_CONSTRUCTOR(_func) G_MSVC_CTOR (_func, G_MSVC_SYMBOL_PREFIX)
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#define G_DEFINE_DESTRUCTOR(_func) G_MSVC_DTOR (_func, G_MSVC_SYMBOL_PREFIX)
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#define G_MSVC_CTOR(_func,_sym_prefix) \
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static void _func(void); \
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extern int (* _array ## _func)(void); \
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int _func ## _wrapper(void) { _func(); g_slist_find (NULL, _array ## _func); return 0; } \
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__pragma(comment(linker,"/include:" _sym_prefix # _func "_wrapper")) \
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__pragma(section(".CRT$XCU",read)) \
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__declspec(allocate(".CRT$XCU")) int (* _array ## _func)(void) = _func ## _wrapper;
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#define G_MSVC_DTOR(_func,_sym_prefix) \
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static void _func(void); \
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extern int (* _array ## _func)(void); \
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int _func ## _constructor(void) { atexit (_func); g_slist_find (NULL, _array ## _func); return 0; } \
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__pragma(comment(linker,"/include:" _sym_prefix # _func "_constructor")) \
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__pragma(section(".CRT$XCU",read)) \
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__declspec(allocate(".CRT$XCU")) int (* _array ## _func)(void) = _func ## _constructor;
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#elif defined (_MSC_VER)
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#define G_HAS_CONSTRUCTORS 1
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/* Pre Visual studio 2008 must use #pragma section */
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#define G_DEFINE_CONSTRUCTOR_NEEDS_PRAGMA 1
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#define G_DEFINE_DESTRUCTOR_NEEDS_PRAGMA 1
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#define G_DEFINE_CONSTRUCTOR_PRAGMA_ARGS(_func) \
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section(".CRT$XCU",read)
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#define G_DEFINE_CONSTRUCTOR(_func) \
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static void _func(void); \
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static int _func ## _wrapper(void) { _func(); return 0; } \
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__declspec(allocate(".CRT$XCU")) static int (*p)(void) = _func ## _wrapper;
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#define G_DEFINE_DESTRUCTOR_PRAGMA_ARGS(_func) \
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section(".CRT$XCU",read)
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#define G_DEFINE_DESTRUCTOR(_func) \
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static void _func(void); \
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static int _func ## _constructor(void) { atexit (_func); return 0; } \
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__declspec(allocate(".CRT$XCU")) static int (* _array ## _func)(void) = _func ## _constructor;
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#elif defined(__SUNPRO_C)
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/* This is not tested, but i believe it should work, based on:
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* http://opensource.apple.com/source/OpenSSL098/OpenSSL098-35/src/fips/fips_premain.c
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*/
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#define G_HAS_CONSTRUCTORS 1
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#define G_DEFINE_CONSTRUCTOR_NEEDS_PRAGMA 1
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#define G_DEFINE_DESTRUCTOR_NEEDS_PRAGMA 1
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#define G_DEFINE_CONSTRUCTOR_PRAGMA_ARGS(_func) \
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init(_func)
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#define G_DEFINE_CONSTRUCTOR(_func) \
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static void _func(void);
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#define G_DEFINE_DESTRUCTOR_PRAGMA_ARGS(_func) \
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fini(_func)
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#define G_DEFINE_DESTRUCTOR(_func) \
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static void _func(void);
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#else
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/* constructors not supported for this compiler */
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#endif
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#endif /* __GTK_DOC_IGNORE__ */
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@ -0,0 +1,51 @@
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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
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*
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* Copyright © 2020 Endless Mobile, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Authors:
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* - Philip Withnall <withnall@endlessm.com>
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*/
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#include "config.h"
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#include <glib/gi18n-lib.h>
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#include "gconstructor.h"
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static void
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mct_init (void)
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{
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bindtextdomain (GETTEXT_PACKAGE, PACKAGE_LOCALE_DIR);
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bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
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}
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#ifdef G_HAS_CONSTRUCTORS
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#ifdef G_DEFINE_CONSTRUCTOR_NEEDS_PRAGMA
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#pragma G_DEFINE_CONSTRUCTOR_PRAGMA_ARGS(mct_init_ctor)
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#endif
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G_DEFINE_CONSTRUCTOR(mct_init_ctor)
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static void
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mct_init_ctor (void)
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{
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mct_init ();
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}
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#else
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#error Your platform/compiler is missing constructor support
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#endif
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@ -2,6 +2,7 @@ libmalcontent_api_version = '0'
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libmalcontent_api_name = 'malcontent-' + libmalcontent_api_version
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libmalcontent_sources = [
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'app-filter.c',
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'init.c',
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'manager.c',
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'session-limits.c',
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]
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@ -13,6 +14,7 @@ libmalcontent_headers = [
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]
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libmalcontent_private_headers = [
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'app-filter-private.h',
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'gconstructor.h',
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'session-limits-private.h',
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]
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