ushare-/appl/content.cpp

94 lines
2.1 KiB
C++

/*
* content.c : GeeXboX uShare content list
* Originally developped for the GeeXboX project.
* Copyright (C) 2005-2007 Alexis Saettler <asbin@asbin.org>
*
* 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 Library 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.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "content.h"
content_list *
content_add(content_list *list, const char *item)
{
if (!list)
{
list = (content_list*) malloc (sizeof(content_list));
list->content = NULL;
list->count = 0;
}
if (item)
{
list->count++;
list->content = (char**) realloc (list->content, list->count * sizeof(char*));
if (!list->content)
{
perror ("error realloc");
exit (2);
}
list->content[list->count-1] = strdup (item);
}
return list;
}
/*
* Remove the n'th content (start from 0)
*/
content_list *
content_del(content_list *list, int n)
{
int i;
if (!list || n >= list->count)
return NULL;
if (n >= list->count)
return list;
if (list->content[n])
{
free (list->content[n]);
for (i = n ; i < list->count - 1 ; i++)
list->content[i] = list->content[i+1];
list->count--;
list->content[list->count] = NULL;
}
return list;
}
void
content_free(content_list *list)
{
int i;
if (!list)
return;
if (list->content)
{
for (i=0 ; i < list->count ; i++)
{
if (list->content[i])
free (list->content[i]);
}
free (list->content);
}
free (list);
}