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+/*
+ * Generic vector interface header.
+ * Copyright (C) 1997, 98 Kunihiro Ishiguro
+ *
+ * This file is part of GNU Zebra.
+ *
+ * GNU Zebra 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 2, or (at your option) any
+ * later version.
+ *
+ * GNU Zebra 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 GNU Zebra; see the file COPYING.  If not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.  
+ */
+
+#ifndef _ZEBRA_VECTOR_H
+#define _ZEBRA_VECTOR_H
+
+/* struct for vector */
+struct _vector {
+	unsigned int active;	/* number of active slots */
+	unsigned int alloced;	/* number of allocated slot */
+	void **index;		/* index to data */
+};
+typedef struct _vector *vector;
+
+#define VECTOR_MIN_SIZE 1
+
+/* (Sometimes) usefull macros.  This macro convert index expression to
+ array expression. */
+/* Reference slot at given index, caller must ensure slot is active */
+#define vector_slot(V,I)  ((V)->index[(I)])
+/* Number of active slots. 
+ * Note that this differs from vector_count() as it the count returned
+ * will include any empty slots
+ */
+#define vector_active(V) ((V)->active)
+
+/* Prototypes. */
+vector vector_init(unsigned int size);
+void vector_ensure(vector v, unsigned int num);
+int vector_empty_slot(vector v);
+int vector_set(vector v, void *val);
+int vector_set_index(vector v, unsigned int i, void *val);
+void vector_unset(vector v, unsigned int i);
+unsigned int vector_count(vector v);
+void vector_only_wrapper_free(vector v);
+void vector_only_index_free(void *index);
+void vector_free(vector v);
+vector vector_copy(vector v);
+
+void *vector_lookup(vector, unsigned int);
+void *vector_lookup_ensure(vector, unsigned int);
+
+#endif				/* _ZEBRA_VECTOR_H */