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/** \file halloc.c
A hierarchical memory allocation system. Works just like talloc
used in Samba, except that an arbitrary block allocated with
malloc() can be registered to be freed by halloc_free.
*/
#include "config.h"
#include <stdlib.h>
#include <unistd.h>
#include "util.h"
#include "common.h"
#include "halloc.h"
void *global_context=0;
void halloc_util_init()
{
global_context = halloc( 0, 0 );
}
void halloc_util_destroy()
{
halloc_free( global_context );
}
array_list_t *al_halloc( void *context )
{
array_list_t *res = halloc( context, sizeof( array_list_t ) );
if( !res )
die_mem();
al_init( res );
halloc_register_function( res, (void (*)(void *)) &al_destroy, res );
return res;
}
string_buffer_t *sb_halloc( void *context )
{
string_buffer_t *res = halloc( context, sizeof( string_buffer_t ) );
if( !res )
die_mem();
sb_init( res );
halloc_register_function( res, (void (*)(void *)) &sb_destroy, res );
return res;
}
static void halloc_passthrough( void *f )
{
void (*func)() = (void (*)() )f;
func();
}
void halloc_register_function_void( void *context, void (*func)() )
{
halloc_register_function( context, &halloc_passthrough, (void *)func );
}
void *halloc_register( void *context, void *data )
{
if( !data )
return 0;
halloc_register_function( context, &free, data );
return data;
}
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