/*
    gutenfetch - a small utility to list and fetch books available through
	project gutenberg

    Copyright (C) 2001, 2002, 2003, 2004 Russell Francis 

    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.
	59 Temple Place, Suite 330
	Boston, MA  02111-1307  USA

Last updated on $Date: 2004/03/21 05:15:09 $ by $Author: johntabularasa $.
*/
#include "stddefs.h"
#include "libgutenfetch_fileinfo.h"
#ifdef HAVE_ASSERT_H
	#include <assert.h>
#endif /* HAVE_ASSERT_H */
#ifdef HAVE_STRING_H
	#include <string.h>
#endif /* HAVE_STRING_H */
#ifdef HAVE_STRINGS_H
	#include <strings.h>
#endif /* HAVE_STRINGS_H */	

/**
 * file_info_new
 *
 * Generate a new filled in file_info_t structure.
 *
 * @param filename The filename.
 * @param filesize The filesize.
 * @return A new *valid* file_info_t structure. this function
 *		will not fail.
 */
file_info_t *
file_info_new(const char *filename, size_t filesize)
{
	file_info_t *fi = malloc(sizeof(file_info_t));
	assert(fi != NULL);
	fi->filesize = filesize;
	fi->filename = strdup(filename);
	assert(fi->filename != NULL);
	return fi;
}


/**
 * file_info_free
 *
 * Free the resources held by a file_info_t structure.
 *
 * @param fi The file_info_t structure.
 */
void
file_info_free(file_info_t *fi)
{
	if (fi != NULL) {
		FREE_NULL(fi->filename);
		free(fi);
	}
}

/**
 * file_info_compare
 *
 * Compare two file_info_t structures and return
 * an integer which describes how they relate.
 *
 * @param a One file_info_t structure.
 * @param b Another file_info_t structure.
 * @param p An optional user supplied parameter.
 * @return -1, 0, 1 same semantics as strcmp().
 */
int
file_info_compare(
	const file_info_t *a,
	const file_info_t *b,
	void *p)
{
	assert( a != NULL );
	assert( b != NULL );

	return strcmp(a->filename, b->filename);
}