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/* -*- mode: C -*- */
/*
IGraph library.
Copyright (C) 2009-2012 Gabor Csardi <csardi.gabor@gmail.com>
334 Harvard street, Cambridge, MA 02139 USA
This program 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 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
#ifndef IGRAPH_VECTOR_PTR_H
#define IGRAPH_VECTOR_PTR_H
#include "igraph_decls.h"
#include "igraph_vector.h"
__BEGIN_DECLS
/* -------------------------------------------------- */
/* Flexible vector, storing pointers */
/* -------------------------------------------------- */
/**
* Vector, storing pointers efficiently
* \ingroup internal
*
*/
typedef struct s_vector_ptr {
void** stor_begin;
void** stor_end;
void** end;
igraph_finally_func_t* item_destructor;
} igraph_vector_ptr_t;
#define IGRAPH_VECTOR_PTR_NULL { 0,0,0,0 }
#define IGRAPH_VECTOR_PTR_INIT_FINALLY(v, size) \
do { IGRAPH_CHECK(igraph_vector_ptr_init(v, size)); \
IGRAPH_FINALLY(igraph_vector_ptr_destroy, v); } while (0)
DECLDIR int igraph_vector_ptr_init (igraph_vector_ptr_t* v, long int size);
DECLDIR int igraph_vector_ptr_init_copy (igraph_vector_ptr_t* v, void** data, long int length);
DECLDIR const igraph_vector_ptr_t *igraph_vector_ptr_view (const igraph_vector_ptr_t *v,
void *const *data, long int length);
DECLDIR void igraph_vector_ptr_destroy (igraph_vector_ptr_t* v);
DECLDIR void igraph_vector_ptr_free_all (igraph_vector_ptr_t* v);
DECLDIR void igraph_vector_ptr_destroy_all (igraph_vector_ptr_t* v);
DECLDIR int igraph_vector_ptr_reserve (igraph_vector_ptr_t* v, long int size);
DECLDIR igraph_bool_t igraph_vector_ptr_empty (const igraph_vector_ptr_t* v);
DECLDIR long int igraph_vector_ptr_size (const igraph_vector_ptr_t* v);
DECLDIR void igraph_vector_ptr_clear (igraph_vector_ptr_t* v);
DECLDIR void igraph_vector_ptr_null (igraph_vector_ptr_t* v);
DECLDIR int igraph_vector_ptr_push_back (igraph_vector_ptr_t* v, void* e);
DECLDIR int igraph_vector_ptr_append (igraph_vector_ptr_t *to,
const igraph_vector_ptr_t *from);
DECLDIR void *igraph_vector_ptr_pop_back (igraph_vector_ptr_t *v);
DECLDIR int igraph_vector_ptr_insert(igraph_vector_ptr_t *v, long int pos, void* e);
DECLDIR void* igraph_vector_ptr_e (const igraph_vector_ptr_t* v, long int pos);
DECLDIR void igraph_vector_ptr_set (igraph_vector_ptr_t* v, long int pos, void* value);
DECLDIR int igraph_vector_ptr_resize(igraph_vector_ptr_t* v, long int newsize);
DECLDIR void igraph_vector_ptr_copy_to(const igraph_vector_ptr_t *v, void** to);
DECLDIR int igraph_vector_ptr_copy(igraph_vector_ptr_t *to, const igraph_vector_ptr_t *from);
DECLDIR void igraph_vector_ptr_remove(igraph_vector_ptr_t *v, long int pos);
DECLDIR void igraph_vector_ptr_sort(igraph_vector_ptr_t *v, int(*compar)(const void*, const void*));
DECLDIR int igraph_vector_ptr_index_int(igraph_vector_ptr_t *v,
const igraph_vector_int_t *idx);
DECLDIR igraph_finally_func_t* igraph_vector_ptr_get_item_destructor(const igraph_vector_ptr_t *v);
DECLDIR igraph_finally_func_t* igraph_vector_ptr_set_item_destructor(igraph_vector_ptr_t *v,
igraph_finally_func_t *func);
/**
* \define IGRAPH_VECTOR_PTR_SET_ITEM_DESTRUCTOR
* \brief Sets the item destructor for this pointer vector (macro version).
*
* This macro is expanded to \ref igraph_vector_ptr_set_item_destructor(), the
* only difference is that the second argument is automatically cast to an
* \c igraph_finally_func_t*. The cast is necessary in most cases as the
* destructor functions we use (such as \ref igraph_vector_destroy()) take a
* pointer to some concrete igraph data type, while \c igraph_finally_func_t
* expects \c void*
*/
#define IGRAPH_VECTOR_PTR_SET_ITEM_DESTRUCTOR(v, func) \
igraph_vector_ptr_set_item_destructor((v), (igraph_finally_func_t*)(func))
__END_DECLS
#endif
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