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/*
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* Copyright © 2012 Colin Walters <walters@verbum.org>.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __GSYSTEM_LOCAL_ALLOC_H__
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#define __GSYSTEM_LOCAL_ALLOC_H__
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#include <gio/gio.h>
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G_BEGIN_DECLS
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#define gs_transfer_out_value(outp, srcp) G_STMT_START { \
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if (outp) \
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{ \
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*(outp) = *(srcp); \
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*(srcp) = NULL; \
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} \
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} G_STMT_END;
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#define GS_DEFINE_CLEANUP_FUNCTION(Type, name, func) \
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static inline void name (void *v) \
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{ \
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func (*(Type*)v); \
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}
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#define GS_DEFINE_CLEANUP_FUNCTION0(Type, name, func) \
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static inline void name (void *v) \
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{ \
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if (*(Type*)v) \
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func (*(Type*)v); \
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}
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/* These functions shouldn't be invoked directly;
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* they are stubs that:
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* 1) Take a pointer to the location (typically itself a pointer).
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* 2) Provide %NULL-safety where it doesn't exist already (e.g. g_object_unref)
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*/
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GS_DEFINE_CLEANUP_FUNCTION0(GArray*, gs_local_array_unref, g_array_unref)
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GS_DEFINE_CLEANUP_FUNCTION0(GBytes*, gs_local_bytes_unref, g_bytes_unref)
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GS_DEFINE_CLEANUP_FUNCTION0(GChecksum*, gs_local_checksum_free, g_checksum_free)
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GS_DEFINE_CLEANUP_FUNCTION0(GError*, gs_local_free_error, g_error_free)
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GS_DEFINE_CLEANUP_FUNCTION0(GHashTable*, gs_local_hashtable_unref, g_hash_table_unref)
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GS_DEFINE_CLEANUP_FUNCTION0(GKeyFile*, gs_local_key_file_unref, g_key_file_unref)
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GS_DEFINE_CLEANUP_FUNCTION0(GList*, gs_local_list_free, g_list_free)
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GS_DEFINE_CLEANUP_FUNCTION0(GMatchInfo*, gs_local_match_info_free, g_match_info_free)
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GS_DEFINE_CLEANUP_FUNCTION0(GObject*, gs_local_obj_unref, g_object_unref)
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GS_DEFINE_CLEANUP_FUNCTION0(GPtrArray*, gs_local_ptrarray_unref, g_ptr_array_unref)
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GS_DEFINE_CLEANUP_FUNCTION0(GRegex*, gs_local_regex_unref, g_regex_unref)
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GS_DEFINE_CLEANUP_FUNCTION0(GSettingsSchema*, gs_local_settings_schema_unref, g_settings_schema_unref)
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GS_DEFINE_CLEANUP_FUNCTION0(GSettingsSchemaKey*, gs_local_settings_schema_key_unref, g_settings_schema_key_unref)
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GS_DEFINE_CLEANUP_FUNCTION0(GVariant*, gs_local_variant_unref, g_variant_unref)
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GS_DEFINE_CLEANUP_FUNCTION0(GVariantBuilder*, gs_local_variant_builder_unref, g_variant_builder_unref)
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GS_DEFINE_CLEANUP_FUNCTION0(GVariantIter*, gs_local_variant_iter_free, g_variant_iter_free)
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GS_DEFINE_CLEANUP_FUNCTION(char**, gs_local_strfreev, g_strfreev)
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GS_DEFINE_CLEANUP_FUNCTION(void*, gs_local_free, g_free)
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/* special */
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static inline void gs_local_gstring_free (void *v) \
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{ \
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if (*(GString**)v) \
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g_string_free (*(GString**)v, TRUE); \
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}
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/**
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* gs_free:
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*
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* Call g_free() on a variable location when it goes out of scope.
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*/
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#define gs_free __attribute__ ((cleanup(gs_local_free)))
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/**
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* gs_unref_object:
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*
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* Call g_object_unref() on a variable location when it goes out of
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* scope. Note that unlike g_object_unref(), the variable may be
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* %NULL.
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*/
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#define gs_unref_object __attribute__ ((cleanup(gs_local_obj_unref)))
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/**
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* gs_unref_variant:
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*
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* Call g_variant_unref() on a variable location when it goes out of
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* scope. Note that unlike g_variant_unref(), the variable may be
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* %NULL.
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*/
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#define gs_unref_variant __attribute__ ((cleanup(gs_local_variant_unref)))
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/**
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* gs_free_variant_iter:
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*
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* Call g_variant_iter_free() on a variable location when it goes out of
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* scope.
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*/
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#define gs_free_variant_iter __attribute__ ((cleanup(gs_local_variant_iter_free)))
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/**
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* gs_free_variant_builder:
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*
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* Call g_variant_builder_unref() on a variable location when it goes out of
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* scope.
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*/
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#define gs_unref_variant_builder __attribute__ ((cleanup(gs_local_variant_builder_unref)))
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/**
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* gs_unref_array:
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*
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* Call g_array_unref() on a variable location when it goes out of
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* scope. Note that unlike g_array_unref(), the variable may be
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* %NULL.
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*/
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#define gs_unref_array __attribute__ ((cleanup(gs_local_array_unref)))
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/**
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* gs_unref_ptrarray:
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*
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* Call g_ptr_array_unref() on a variable location when it goes out of
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* scope. Note that unlike g_ptr_array_unref(), the variable may be
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* %NULL.
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*/
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#define gs_unref_ptrarray __attribute__ ((cleanup(gs_local_ptrarray_unref)))
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/**
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* gs_unref_hashtable:
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*
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* Call g_hash_table_unref() on a variable location when it goes out
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* of scope. Note that unlike g_hash_table_unref(), the variable may
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* be %NULL.
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*/
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#define gs_unref_hashtable __attribute__ ((cleanup(gs_local_hashtable_unref)))
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/**
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* gs_unref_key_file:
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*
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* Call g_key_file_unref() on a variable location when it goes out
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* of scope. Note that unlike g_key_file_unref(), the variable may
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* be %NULL.
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*/
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#define gs_unref_key_file __attribute__ ((cleanup(gs_local_key_file_unref)))
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/**
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* gs_free_checksum:
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*
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* Call g_checksum_free() on a variable location when it goes out
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* of scope. Note that unlike g_checksum_free(), the variable may
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* be %NULL.
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*/
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#define gs_free_checksum __attribute__ ((cleanup(gs_local_checksum_free)))
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/**
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* gs_unref_bytes:
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*
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* Call g_bytes_unref() on a variable location when it goes out
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* of scope. Note that unlike g_bytes_unref(), the variable may
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* be %NULL.
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*/
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#define gs_unref_bytes __attribute__ ((cleanup(gs_local_bytes_unref)))
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/**
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* gs_strfreev:
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*
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* Call g_strfreev() on a variable location when it goes out of scope.
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*/
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#define gs_strfreev __attribute__ ((cleanup(gs_local_strfreev)))
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/**
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* gs_free_error:
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*
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* Call g_error_free() on a variable location when it goes out of scope.
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*/
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#define gs_free_error __attribute__ ((cleanup(gs_local_free_error)))
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/**
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* gs_free_list:
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*
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* Call g_list_free() on a variable location when it goes out of scope.
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*/
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#define gs_free_list __attribute__ ((cleanup(gs_local_list_free)))
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/**
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* gs_unref_regex:
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*
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* Call g_regex_unref() on a variable location when it goes out of
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* scope. Note that unlike g_regex_unref(), the variable may be
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* %NULL.
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*/
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#define gs_unref_regex __attribute__ ((cleanup(gs_local_regex_unref)))
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/**
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* gs_free_match_info:
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*
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* Call g_regex_unref() on a variable location when it goes out of
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* scope. Note that unlike g_regex_unref(), the variable may be
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* %NULL.
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*/
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#define gs_free_match_info __attribute__ ((cleanup(gs_local_match_info_free)))
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/**
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* gs_unref_settings_schema:
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*
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* Call g_settings_schema_unref() on a variable location when it goes out of
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* scope. Note that unlike g_settings_schema_unref(), the variable may be
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* %NULL.
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*/
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#define gs_unref_settings_schema __attribute__ ((cleanup(gs_local_settings_schema_unref)))
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/**
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* gs_unref_settings_schema_key:
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*
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* Call g_settings_schema_key_unref() on a variable location when it goes out of
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* scope. Note that unlike g_settings_schema_key_unref(), the variable may be
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* %NULL.
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*/
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#define gs_unref_settings_schema_key __attribute__ ((cleanup(gs_local_settings_schema_key_unref)))
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/**
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* gs_free_gstring:
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*
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* Call g_string_free(TRUE) on a variable location when it goes out
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* of scope. Note that unlike g_string_free(), the variable may
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* be %NULL.
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*/
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#define gs_free_gstring __attribute__ ((cleanup(gs_local_gstring_free)))
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G_END_DECLS
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#endif
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