#ifndef __G_BSEARCH_ARRAY_H__
#define __G_BSEARCH_ARRAY_H__
-#include <gobject/gtype.h>
+#include <glib/gtypes.h>
+#include <glib/gutils.h>
+#include <glib/gmem.h>
+#include <glib/gmessages.h>
G_BEGIN_DECLS
/* --- typedefs --- */
-typedef struct _GBSearchArray GBSearchArray;
+typedef union _GBSearchArray GBSearchArray;
+typedef struct _GBSearchConfig GBSearchConfig;
typedef gint (*GBSearchCompareFunc) (gconstpointer bsearch_node1,
gconstpointer bsearch_node2);
typedef enum
/* --- structures --- */
-struct _GBSearchArray
+struct _GBSearchConfig
{
+ guint16 sizeof_node;
GBSearchCompareFunc cmp_nodes;
guint16 flags;
- guint16 sizeof_node;
- guint n_nodes;
- gpointer nodes;
+};
+union _GBSearchArray
+{
+ guint n_nodes;
+ gpointer alignment_dummy1;
+ glong alignment_dummy2;
+ gdouble alignment_dummy3;
};
/* --- prototypes --- */
-GBSearchArray* g_bsearch_array_new (guint16 sizeof_node,
- GBSearchCompareFunc node_cmp_func,
- GBSearchArrayFlags flags);
-void g_bsearch_array_destroy (GBSearchArray *barray);
-gpointer g_bsearch_array_insert (GBSearchArray *barray,
+GBSearchArray* g_bsearch_array_new (GBSearchConfig *bconfig);
+void g_bsearch_array_destroy (GBSearchArray *barray,
+ GBSearchConfig *bconfig);
+GBSearchArray* g_bsearch_array_insert (GBSearchArray *barray,
+ GBSearchConfig *bconfig,
gconstpointer key_node,
gboolean replace_existing);
-void g_bsearch_array_remove (GBSearchArray *barray,
+GBSearchArray* g_bsearch_array_remove (GBSearchArray *barray,
+ GBSearchConfig *bconfig,
gconstpointer key_node);
-void g_bsearch_array_remove_node (GBSearchArray *barray,
+GBSearchArray* g_bsearch_array_remove_node (GBSearchArray *barray,
+ GBSearchConfig *bconfig,
gpointer node_in_array);
G_INLINE_FUNC
gpointer g_bsearch_array_lookup (GBSearchArray *barray,
+ GBSearchConfig *bconfig,
gconstpointer key_node);
G_INLINE_FUNC
gpointer g_bsearch_array_get_nth (GBSearchArray *barray,
+ GBSearchConfig *bconfig,
guint n);
G_INLINE_FUNC
guint g_bsearch_array_get_index (GBSearchArray *barray,
+ GBSearchConfig *bconfig,
gpointer node_in_array);
/* initialization of static arrays */
-#define G_STATIC_BSEARCH_ARRAY_INIT(sizeof_node, cmp_nodes, flags) \
- { (cmp_nodes), (flags), (sizeof_node), 0, NULL }
+#define G_STATIC_BCONFIG(sizeof_node, cmp_nodes, flags) \
+ { (sizeof_node), (cmp_nodes), (flags), }
/* --- implementation details --- */
+#define G_BSEARCH_ARRAY_NODES(barray) ((gpointer) (((guint8*) (barray)) + sizeof (GBSearchArray)))
#if defined (G_CAN_INLINE) || defined (__G_BSEARCHARRAY_C__)
G_INLINE_FUNC gpointer
-g_bsearch_array_lookup (GBSearchArray *barray,
- gconstpointer key_node)
+g_bsearch_array_lookup (GBSearchArray *barray,
+ GBSearchConfig *bconfig,
+ gconstpointer key_node)
{
if (barray->n_nodes > 0)
{
- GBSearchCompareFunc cmp_nodes = barray->cmp_nodes;
- gint sizeof_node = barray->sizeof_node;
+ GBSearchCompareFunc cmp_nodes = bconfig->cmp_nodes;
+ gint sizeof_node = bconfig->sizeof_node;
guint n_nodes = barray->n_nodes;
- guint8 *nodes = (guint8 *) barray->nodes;
-
+ guint8 *nodes = G_BSEARCH_ARRAY_NODES (barray);
+
nodes -= sizeof_node;
do
{
return NULL;
}
G_INLINE_FUNC gpointer
-g_bsearch_array_get_nth (GBSearchArray *barray,
- guint n)
+g_bsearch_array_get_nth (GBSearchArray *barray,
+ GBSearchConfig *bconfig,
+ guint n)
{
if (n < barray->n_nodes)
{
- guint8 *nodes = (guint8*) barray->nodes;
+ guint8 *nodes = (guint8*) G_BSEARCH_ARRAY_NODES (barray);
- return nodes + n * barray->sizeof_node;
+ return nodes + n * bconfig->sizeof_node;
}
else
return NULL;
}
G_INLINE_FUNC
guint
-g_bsearch_array_get_index (GBSearchArray *barray,
- gpointer node_in_array)
+g_bsearch_array_get_index (GBSearchArray *barray,
+ GBSearchConfig *bconfig,
+ gpointer node_in_array)
{
- guint distance = ((guint8*) node_in_array) - ((guint8*) barray->nodes);
+ guint distance = ((guint8*) node_in_array) - ((guint8*) G_BSEARCH_ARRAY_NODES (barray));
- distance /= barray->sizeof_node;
+ distance /= bconfig->sizeof_node;
return MIN (distance, barray->n_nodes);
}