freebsd-dev/usr.sbin/pkg_install/version/main.c

108 lines
2.1 KiB
C

/*
* FreeBSD install - a package for the installation and maintainance
* of non-core utilities.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Jeremy D. Lea.
* 11 May 2002
*
* This is the version module. Based on pkg_version.pl by Bruce A. Mah.
*
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "lib.h"
#include "version.h"
#include <err.h>
static char Options[] = "dhl:L:qs:XtTv";
char *LimitChars = NULL;
char *PreventChars = NULL;
char *MatchName = NULL;
Boolean RegexExtended = FALSE;
static void usage __P((void));
int
main(int argc, char **argv)
{
int ch, cmp = 0;
if (argc == 4 && !strcmp(argv[1], "-t")) {
cmp = version_cmp(argv[2], argv[3]);
printf(cmp > 0 ? ">\n" : (cmp < 0 ? "<\n" : "=\n"));
exit(0);
}
else if (argc == 4 && !strcmp(argv[1], "-T")) {
cmp = version_match(argv[3], argv[2]);
exit(cmp == 1 ? 0 : 1);
}
else while ((ch = getopt(argc, argv, Options)) != -1) {
switch(ch) {
case 'v':
Verbose = TRUE;
break;
case 'l':
LimitChars = optarg;
break;
case 'L':
PreventChars = optarg;
break;
case 'q':
Quiet = TRUE;
break;
case 's':
MatchName = optarg;
break;
case 't':
errx(2, "Invalid -t usage.");
break;
case 'T':
errx(2, "Invalid -T usage.");
break;
case 'X':
RegexExtended = TRUE;
break;
case 'h':
case '?':
default:
usage();
break;
}
}
argc -= optind;
argv += optind;
return pkg_perform(argv);
}
static void
usage()
{
fprintf(stderr, "%s\n%s\n%s\n",
"usage: pkg_version [-hqv] [-l limchar] [-L limchar] [[-X] -s string] [index]",
" pkg_version -t v1 v2",
" pkg_version -T name pattern");
exit(1);
}