mirror of
https://github.com/signalwire/freeswitch.git
synced 2025-02-25 02:51:30 +00:00
af82478311
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@11335 d0543943-73ff-0310-b7d9-9358b9ac24b2
96 lines
2.0 KiB
C
96 lines
2.0 KiB
C
/*
|
|
* $Id: arraylist.c,v 1.4 2006/01/26 02:16:28 mclark Exp $
|
|
*
|
|
* Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd.
|
|
* Michael Clark <michael@metaparadigm.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or modify
|
|
* it under the terms of the MIT license. See COPYING for details.
|
|
*
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#if STDC_HEADERS
|
|
# include <stdlib.h>
|
|
# include <string.h>
|
|
#endif /* STDC_HEADERS */
|
|
|
|
#if HAVE_STRINGS_H
|
|
# include <strings.h>
|
|
#endif /* HAVE_STRINGS_H */
|
|
|
|
#include "bits.h"
|
|
#include "arraylist.h"
|
|
|
|
struct array_list *array_list_new(array_list_free_fn * free_fn)
|
|
{
|
|
struct array_list *this;
|
|
|
|
if (!(this = calloc(1, sizeof(struct array_list))))
|
|
return NULL;
|
|
this->size = ARRAY_LIST_DEFAULT_SIZE;
|
|
this->length = 0;
|
|
this->free_fn = free_fn;
|
|
if (!(this->array = calloc(sizeof(void *), this->size))) {
|
|
free(this);
|
|
return NULL;
|
|
}
|
|
return this;
|
|
}
|
|
|
|
extern void array_list_free(struct array_list *this)
|
|
{
|
|
int i;
|
|
for (i = 0; i < this->length; i++)
|
|
if (this->array[i])
|
|
this->free_fn(this->array[i]);
|
|
free(this->array);
|
|
free(this);
|
|
}
|
|
|
|
void *array_list_get_idx(struct array_list *this, int i)
|
|
{
|
|
if (i >= this->length)
|
|
return NULL;
|
|
return this->array[i];
|
|
}
|
|
|
|
static int array_list_expand_internal(struct array_list *this, int max)
|
|
{
|
|
void *t;
|
|
int new_size;
|
|
|
|
if (max < this->size)
|
|
return 0;
|
|
new_size = max(this->size << 1, max);
|
|
if (!(t = realloc(this->array, new_size * sizeof(void *))))
|
|
return -1;
|
|
this->array = t;
|
|
(void) memset(this->array + this->size, 0, (new_size - this->size) * sizeof(void *));
|
|
this->size = new_size;
|
|
return 0;
|
|
}
|
|
|
|
int array_list_put_idx(struct array_list *this, int idx, void *data)
|
|
{
|
|
if (array_list_expand_internal(this, idx))
|
|
return -1;
|
|
if (this->array[idx])
|
|
this->free_fn(this->array[idx]);
|
|
this->array[idx] = data;
|
|
if (this->length <= idx)
|
|
this->length = idx + 1;
|
|
return 0;
|
|
}
|
|
|
|
int array_list_add(struct array_list *this, void *data)
|
|
{
|
|
return array_list_put_idx(this, this->length, data);
|
|
}
|
|
|
|
int array_list_length(struct array_list *this)
|
|
{
|
|
return this->length;
|
|
}
|