- prekopanie adresarovej struktury, prva cast

git-svn-id: http://opensvn.csie.org/tuxanci_ng@77 0ee4d065-81f0-4d1e-b06c-ff20ad07cc3e

1 files changed, 107 insertions, 0 deletions

diff --git a/src/base/idManager.c b/src/base/idManager.c
new file mode 100644
index 0000000..fb4a928
--- /dev/null
+++ b/src/base/idManager.c
@@ -0,0 +1,107 @@
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <assert.h>
+
+#include "base/main.h"
+#include "base/list.h"
+#include "base/idManager.h"
+
+static list_t *listID;
+static int lastID;
+
+void initListID()
+{
+	listID = newList();
+	lastID = 0;
+	printf("init ID manger..\n");
+}
+
+int isRegisterID(int id)
+{
+	int i;
+
+	assert( listID != NULL );
+
+	for( i = 0 ; i < listID->count ; i++ )
+	{
+		int *z;
+
+		z = (int *) listID->list[i];
+
+		if( *z == id )
+		{
+			return i;
+		}
+	}
+
+	return -1;
+}
+
+int getNewID()
+{
+	int ret;
+
+	assert( listID != NULL );
+
+	do{
+		ret  = random() % MAX_ID;
+/*
+		ret = ++lastID;
+
+		if( lastID > MAX_ID )
+		{
+			lastID = 0;
+		}
+*/
+	}while( isRegisterID(ret) != -1 );
+
+	addList(listID, newInt(ret) );
+
+	//printf("new ID -> %d\n", ret);
+	return ret;
+}
+
+void delID(int id)
+{
+	int index;
+
+	assert( listID != NULL );
+
+	index = isRegisterID(id);
+
+	if( index == -1 )
+	{
+		assert( ! "takyto ID nebol nikdy registrovany !" );
+		return; // ha ha ha
+	}
+
+	delListItem(listID, index, free);
+
+	return;
+}
+
+void replaceID(int old_id, int new_id)
+{
+	if( old_id == new_id )
+	{
+		return;
+	}
+
+	delID(old_id);
+
+	if( new_id != -1 )
+	{
+		assert( isRegisterID(new_id) == -1 );
+		addList(listID, newInt(new_id) );
+	}
+}
+
+void quitListID()
+{
+	printf("quit ID manger..\n");
+
+	assert( listID != NULL );
+	destroyListItem(listID, free);
+}
+