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(trunk libT) recycle the tr_list nodes when possible

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This commit is contained in:
Charles Kerr 2008-12-29 17:28:14 +00:00
parent e7ffb4da03
commit 3a01d2e619
1 changed files with 25 additions and 2 deletions
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27
libtransmission/list.c
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@ -14,16 +14,39 @@
#include "list.h" #include "list.h"
#include "utils.h" #include "utils.h"
/***
****
***/
static tr_list * _unusedNodes = NULL;
static const tr_list TR_LIST_INIT = { NULL, NULL, NULL };
static tr_list* static tr_list*
node_alloc( void ) node_alloc( void )
{ {
return tr_new0( tr_list, 1 ); tr_list * node;
if( _unusedNodes == NULL )
node = tr_new( tr_list, 1 );
else {
node = _unusedNodes;
_unusedNodes = node->next;
}
*node = TR_LIST_INIT;
return node;
} }
static void static void
node_free( tr_list* node ) node_free( tr_list* node )
{ {
tr_free( node ); if( node )
{
*node = TR_LIST_INIT;
node->next = _unusedNodes;
_unusedNodes = node;
}
} }
/*** /***