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/*
* Copyright © 2012 Colin Walters <walters@verbum.org>.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __GSYSTEM_LOCAL_ALLOC_H__
#define __GSYSTEM_LOCAL_ALLOC_H__
#include <gio/gio.h>
G_BEGIN_DECLS
#define gs_transfer_out_value(outp, srcp) G_STMT_START { \
if (outp) \
{ \
*(outp) = *(srcp); \
*(srcp) = NULL; \
} \
} G_STMT_END;
#define GS_DEFINE_CLEANUP_FUNCTION(Type, name, func) \
static inline void name (void *v) \
{ \
func (*(Type*)v); \
}
#define GS_DEFINE_CLEANUP_FUNCTION0(Type, name, func) \
static inline void name (void *v) \
{ \
if (*(Type*)v) \
func (*(Type*)v); \
}
/* These functions shouldn't be invoked directly;
* they are stubs that:
* 1) Take a pointer to the location (typically itself a pointer).
* 2) Provide %NULL-safety where it doesn't exist already (e.g. g_object_unref)
*/
GS_DEFINE_CLEANUP_FUNCTION0(GArray*, gs_local_array_unref, g_array_unref)
GS_DEFINE_CLEANUP_FUNCTION0(GBytes*, gs_local_bytes_unref, g_bytes_unref)
GS_DEFINE_CLEANUP_FUNCTION0(GChecksum*, gs_local_checksum_free, g_checksum_free)
GS_DEFINE_CLEANUP_FUNCTION0(GError*, gs_local_free_error, g_error_free)
GS_DEFINE_CLEANUP_FUNCTION0(GHashTable*, gs_local_hashtable_unref, g_hash_table_unref)
GS_DEFINE_CLEANUP_FUNCTION0(GKeyFile*, gs_local_key_file_unref, g_key_file_unref)
GS_DEFINE_CLEANUP_FUNCTION0(GList*, gs_local_list_free, g_list_free)
GS_DEFINE_CLEANUP_FUNCTION0(GMatchInfo*, gs_local_match_info_free, g_match_info_free)
GS_DEFINE_CLEANUP_FUNCTION0(GObject*, gs_local_obj_unref, g_object_unref)
GS_DEFINE_CLEANUP_FUNCTION0(GPtrArray*, gs_local_ptrarray_unref, g_ptr_array_unref)
GS_DEFINE_CLEANUP_FUNCTION0(GRegex*, gs_local_regex_unref, g_regex_unref)
GS_DEFINE_CLEANUP_FUNCTION0(GSettingsSchema*, gs_local_settings_schema_unref, g_settings_schema_unref)
GS_DEFINE_CLEANUP_FUNCTION0(GSettingsSchemaKey*, gs_local_settings_schema_key_unref, g_settings_schema_key_unref)
GS_DEFINE_CLEANUP_FUNCTION0(GVariant*, gs_local_variant_unref, g_variant_unref)
GS_DEFINE_CLEANUP_FUNCTION0(GVariantBuilder*, gs_local_variant_builder_unref, g_variant_builder_unref)
GS_DEFINE_CLEANUP_FUNCTION0(GVariantIter*, gs_local_variant_iter_free, g_variant_iter_free)
GS_DEFINE_CLEANUP_FUNCTION(char**, gs_local_strfreev, g_strfreev)
GS_DEFINE_CLEANUP_FUNCTION(void*, gs_local_free, g_free)
/* special */
static inline void gs_local_gstring_free (void *v) \
{ \
if (*(GString**)v) \
g_string_free (*(GString**)v, TRUE); \
}
/**
* gs_free:
*
* Call g_free() on a variable location when it goes out of scope.
*/
#define gs_free __attribute__ ((cleanup(gs_local_free)))
/**
* gs_unref_object:
*
* Call g_object_unref() on a variable location when it goes out of
* scope. Note that unlike g_object_unref(), the variable may be
* %NULL.
*/
#define gs_unref_object __attribute__ ((cleanup(gs_local_obj_unref)))
/**
* gs_unref_variant:
*
* Call g_variant_unref() on a variable location when it goes out of
* scope. Note that unlike g_variant_unref(), the variable may be
* %NULL.
*/
#define gs_unref_variant __attribute__ ((cleanup(gs_local_variant_unref)))
/**
* gs_free_variant_iter:
*
* Call g_variant_iter_free() on a variable location when it goes out of
* scope.
*/
#define gs_free_variant_iter __attribute__ ((cleanup(gs_local_variant_iter_free)))
/**
* gs_free_variant_builder:
*
* Call g_variant_builder_unref() on a variable location when it goes out of
* scope.
*/
#define gs_unref_variant_builder __attribute__ ((cleanup(gs_local_variant_builder_unref)))
/**
* gs_unref_array:
*
* Call g_array_unref() on a variable location when it goes out of
* scope. Note that unlike g_array_unref(), the variable may be
* %NULL.
*/
#define gs_unref_array __attribute__ ((cleanup(gs_local_array_unref)))
/**
* gs_unref_ptrarray:
*
* Call g_ptr_array_unref() on a variable location when it goes out of
* scope. Note that unlike g_ptr_array_unref(), the variable may be
* %NULL.
*/
#define gs_unref_ptrarray __attribute__ ((cleanup(gs_local_ptrarray_unref)))
/**
* gs_unref_hashtable:
*
* Call g_hash_table_unref() on a variable location when it goes out
* of scope. Note that unlike g_hash_table_unref(), the variable may
* be %NULL.
*/
#define gs_unref_hashtable __attribute__ ((cleanup(gs_local_hashtable_unref)))
/**
* gs_unref_key_file:
*
* Call g_key_file_unref() on a variable location when it goes out
* of scope. Note that unlike g_key_file_unref(), the variable may
* be %NULL.
*/
#define gs_unref_key_file __attribute__ ((cleanup(gs_local_key_file_unref)))
/**
* gs_free_checksum:
*
* Call g_checksum_free() on a variable location when it goes out
* of scope. Note that unlike g_checksum_free(), the variable may
* be %NULL.
*/
#define gs_free_checksum __attribute__ ((cleanup(gs_local_checksum_free)))
/**
* gs_unref_bytes:
*
* Call g_bytes_unref() on a variable location when it goes out
* of scope. Note that unlike g_bytes_unref(), the variable may
* be %NULL.
*/
#define gs_unref_bytes __attribute__ ((cleanup(gs_local_bytes_unref)))
/**
* gs_strfreev:
*
* Call g_strfreev() on a variable location when it goes out of scope.
*/
#define gs_strfreev __attribute__ ((cleanup(gs_local_strfreev)))
/**
* gs_free_error:
*
* Call g_error_free() on a variable location when it goes out of scope.
*/
#define gs_free_error __attribute__ ((cleanup(gs_local_free_error)))
/**
* gs_free_list:
*
* Call g_list_free() on a variable location when it goes out of scope.
*/
#define gs_free_list __attribute__ ((cleanup(gs_local_list_free)))
/**
* gs_unref_regex:
*
* Call g_regex_unref() on a variable location when it goes out of
* scope. Note that unlike g_regex_unref(), the variable may be
* %NULL.
*/
#define gs_unref_regex __attribute__ ((cleanup(gs_local_regex_unref)))
/**
* gs_free_match_info:
*
* Call g_regex_unref() on a variable location when it goes out of
* scope. Note that unlike g_regex_unref(), the variable may be
* %NULL.
*/
#define gs_free_match_info __attribute__ ((cleanup(gs_local_match_info_free)))
/**
* gs_unref_settings_schema:
*
* Call g_settings_schema_unref() on a variable location when it goes out of
* scope. Note that unlike g_settings_schema_unref(), the variable may be
* %NULL.
*/
#define gs_unref_settings_schema __attribute__ ((cleanup(gs_local_settings_schema_unref)))
/**
* gs_unref_settings_schema_key:
*
* Call g_settings_schema_key_unref() on a variable location when it goes out of
* scope. Note that unlike g_settings_schema_key_unref(), the variable may be
* %NULL.
*/
#define gs_unref_settings_schema_key __attribute__ ((cleanup(gs_local_settings_schema_key_unref)))
/**
* gs_free_gstring:
*
* Call g_string_free(TRUE) on a variable location when it goes out
* of scope. Note that unlike g_string_free(), the variable may
* be %NULL.
*/
#define gs_free_gstring __attribute__ ((cleanup(gs_local_gstring_free)))
G_END_DECLS
#endif
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