2005-03-14 20:51:43 -05:00
|
|
|
/*
|
|
|
|
* vercmp.c
|
2007-11-16 21:18:45 -05:00
|
|
|
*
|
2010-03-14 20:46:59 -04:00
|
|
|
* Copyright (c) 2006-2010 Pacman Development Team <pacman-dev@archlinux.org>
|
2005-03-14 20:51:43 -05:00
|
|
|
* Copyright (c) 2002-2005 by Judd Vinet <jvinet@zeroflux.org>
|
2007-11-16 21:18:45 -05:00
|
|
|
*
|
2005-03-14 20:51:43 -05:00
|
|
|
* 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
|
2007-12-10 23:55:22 -05:00
|
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
2005-03-14 20:51:43 -05:00
|
|
|
*/
|
|
|
|
|
2007-03-05 17:13:33 -05:00
|
|
|
#include "config.h"
|
|
|
|
|
2007-08-15 20:16:46 -04:00
|
|
|
#include <stdio.h> /* printf */
|
|
|
|
#include <string.h> /* strncpy */
|
2007-03-05 17:13:33 -05:00
|
|
|
|
2007-01-30 02:47:19 -05:00
|
|
|
#include <alpm.h>
|
2005-03-14 20:51:43 -05:00
|
|
|
|
2007-10-31 12:43:32 -04:00
|
|
|
#define BASENAME "vercmp"
|
|
|
|
|
2007-08-15 20:16:46 -04:00
|
|
|
#define MAX_LEN 255
|
|
|
|
|
2007-10-31 12:43:32 -04:00
|
|
|
static void usage()
|
|
|
|
{
|
|
|
|
fprintf(stderr, "usage: %s <ver1> <ver2>\n\n", BASENAME);
|
|
|
|
fprintf(stderr, "return values:\n");
|
|
|
|
fprintf(stderr, " < 0 : if ver1 < ver2\n");
|
|
|
|
fprintf(stderr, " 0 : if ver1 == ver2\n");
|
|
|
|
fprintf(stderr, " > 0 : if ver1 > ver2\n");
|
|
|
|
}
|
|
|
|
|
2005-03-14 20:51:43 -05:00
|
|
|
int main(int argc, char *argv[])
|
|
|
|
{
|
2007-08-15 20:16:46 -04:00
|
|
|
char s1[MAX_LEN] = "";
|
|
|
|
char s2[MAX_LEN] = "";
|
2005-03-14 20:51:43 -05:00
|
|
|
int ret;
|
|
|
|
|
2007-10-31 12:43:32 -04:00
|
|
|
if(argc == 1) {
|
|
|
|
usage();
|
|
|
|
return(2);
|
|
|
|
}
|
|
|
|
if(argc > 1 &&
|
|
|
|
(strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0
|
|
|
|
|| strcmp(argv[1], "--usage") == 0)) {
|
|
|
|
usage();
|
|
|
|
return(0);
|
|
|
|
}
|
2005-03-14 20:51:43 -05:00
|
|
|
if(argc > 1) {
|
2007-08-15 20:16:46 -04:00
|
|
|
strncpy(s1, argv[1], MAX_LEN);
|
|
|
|
s1[MAX_LEN -1] = '\0';
|
2005-03-14 20:51:43 -05:00
|
|
|
}
|
|
|
|
if(argc > 2) {
|
2007-08-15 20:16:46 -04:00
|
|
|
strncpy(s2, argv[2], MAX_LEN);
|
|
|
|
s2[MAX_LEN -1] = '\0';
|
2005-03-14 20:51:43 -05:00
|
|
|
} else {
|
|
|
|
printf("0\n");
|
|
|
|
return(0);
|
|
|
|
}
|
2007-11-16 21:18:45 -05:00
|
|
|
|
2007-02-09 16:08:10 -05:00
|
|
|
ret = alpm_pkg_vercmp(s1, s2);
|
2005-03-14 20:51:43 -05:00
|
|
|
printf("%d\n", ret);
|
|
|
|
return(ret);
|
|
|
|
}
|