tree_types.c
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上传日期:2009-03-27
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文件大小:2k
- /*****************************************************************************
- * tree_types.c:
- *****************************************************************************
- * Copyright (C) 2004 VideoLAN
- * $Id: tree_types.c 8205 2004-07-17 13:55:48Z asmax $
- *
- * Authors: Cyril Deguet <asmax@videolan.org>
- * code from projectM http://xmms-projectm.sourceforge.net
- *
- * 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, USA.
- *****************************************************************************/
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include "common.h"
- /* Compares integer value numbers in 32 bit range */
- int compare_int(int * num1, int * num2) {
- if ((*num1) < (*num2))
- return -1;
- if ((*num1) > (*num2))
- return 1;
-
- return 0;
- }
- /* Compares strings in lexographical order */
- int compare_string(char * str1, char * str2) {
- // printf("comparing "%s" to "%s"n", str1, str2);
- //return strcmp(str1, str2);
- return strncmp(str1, str2, MAX_TOKEN_SIZE-1);
-
- }
- /* Compares a string in version order. That is, file1 < file2 < file10 */
- int compare_string_version(char * str1, char * str2) {
- return strverscmp(str1, str2);
- }
- void free_int(void * num) {
- free(num);
- }
- void free_string(char * string) {
-
- free(string);
- }
-
- void * copy_int(int * num) {
-
- int * new_num;
-
- if ((new_num = (int*)malloc(sizeof(int))) == NULL)
- return NULL;
- *new_num = *num;
-
- return (void*)new_num;
- }
- void * copy_string(char * string) {
-
- char * new_string;
-
- if ((new_string = (char*)malloc(MAX_TOKEN_SIZE)) == NULL)
- return NULL;
-
- strncpy(new_string, string, MAX_TOKEN_SIZE-1);
-
- return (void*)new_string;
- }