65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Generic vector interface header.
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* Copyright (C) 1997, 98 Kunihiro Ishiguro
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*/
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#ifndef _ZEBRA_VECTOR_H
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#define _ZEBRA_VECTOR_H
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#include "memory.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* struct for vector */
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struct _vector {
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unsigned int active; /* number of active slots */
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unsigned int alloced; /* number of allocated slot */
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unsigned int count;
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void **index; /* index to data */
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};
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typedef struct _vector *vector;
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#define VECTOR_MIN_SIZE 1
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/* (Sometimes) usefull macros. This macro convert index expression to
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array expression. */
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/* Reference slot at given index, caller must ensure slot is active */
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#define vector_slot(V,I) ((V)->index[(I)])
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/* Number of active slots.
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* Note that this differs from vector_count() as it the count returned
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* will include any empty slots
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*/
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#define vector_active(V) ((V)->active)
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/* Prototypes. */
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extern vector vector_init(unsigned int size);
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extern void vector_ensure(vector v, unsigned int num);
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extern int vector_empty_slot(vector v);
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extern int vector_set(vector v, void *val);
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extern int vector_set_index(vector v, unsigned int i, void *val);
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extern void vector_unset(vector v, unsigned int i);
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extern void vector_unset_value(vector v, void *val);
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extern void vector_remove(vector v, unsigned int ix);
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extern void vector_compact(vector v);
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static inline unsigned int vector_count(vector v)
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{
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return v->count;
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}
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extern void vector_free(vector v);
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extern vector vector_copy(vector v);
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extern void *vector_lookup(vector, unsigned int);
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extern void *vector_lookup_ensure(vector, unsigned int);
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extern void vector_to_array(vector v, void ***dest, int *argc);
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extern vector array_to_vector(void **src, int argc);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ZEBRA_VECTOR_H */
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