usr.sbin/pkg_install/version/main.c

   1 /*
   2  * FreeBSD install - a package for the installation and maintainance
   3  * of non-core utilities.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * Jeremy D. Lea.
  15  * 11 May 2002
  16  *
  17  * This is the version module. Based on pkg_version.pl by Bruce A. Mah.
  18  *
  19  */
  20
  21 #include <sys/cdefs.h>
  22 __FBSDID("$FreeBSD$");
  23
  24
  25 #include <getopt.h>
  26 #include <err.h>
  27
  28 #include "lib.h"
  29 #include "version.h"
  30
  31 char    *LimitChars = NULL;
  32 char    *PreventChars = NULL;
  33 char    *MatchName = NULL;
  34 char    *LookUpOrigin = NULL;
  35 Boolean RegexExtended = FALSE;
  36 Boolean UseINDEXOnly = FALSE;
  37 Boolean ShowOrigin = FALSE;
  38
  39 static void usage(void);
  40
  41 static char opts[] = "dIhl:L:qs:XtTO:ov";
  42 static struct option longopts[] = {
  43         { "extended",   no_argument,            NULL,           'X' },
  44         { "help",       no_argument,            NULL,           'h' },
  45         { "match",      required_argument,      NULL,           's' },
  46         { "no-status",  required_argument,      NULL,           'L' },
  47         { "origin",     required_argument,      NULL,           'O' },
  48         { "quiet",      no_argument,            NULL,           'q' },
  49         { "show-origin",no_argument,            NULL,           'o' },
  50         { "status",     required_argument,      NULL,           'l' },
  51         { "index-only", no_argument,            NULL,           'I' },
  52         { "verbose",    no_argument,            NULL,           'v' },
  53         { NULL,         0,                      NULL,           0 }
  54 };
  55
  56 int
  57 main(int argc, char **argv)
  58 {
  59     int ch, cmp = 0;
  60
  61     if (argc == 4 && !strcmp(argv[1], "-t")) {
  62         cmp = version_cmp(argv[2], argv[3]);
  63         printf(cmp > 0 ? ">\n" : (cmp < 0 ? "<\n" : "=\n"));
  64         exit(0);
  65     }
  66     else if (argc == 4 && !strcmp(argv[1], "-T")) {
  67         cmp = version_match(argv[3], argv[2]);
  68         exit(cmp == 1 ? 0 : 1);
  69     }
  70     else while ((ch = getopt_long(argc, argv, opts, longopts, NULL)) != -1) {
  71         switch(ch) {
  72         case 'v':
  73             Verbose++;
  74             break;
  75
  76         case 'I':
  77             UseINDEXOnly = TRUE;
  78             break;
  79
  80         case 'l':
  81             LimitChars = optarg;
  82             break;
  83
  84         case 'L':
  85             PreventChars = optarg;
  86             break;
  87
  88         case 'q':
  89             Quiet = TRUE;
  90             break;
  91
  92         case 's':
  93             MatchName = optarg;
  94             break;
  95
  96         case 'O':
  97             LookUpOrigin = optarg;
  98             break;
  99
 100         case 'o':
 101             ShowOrigin = TRUE;
 102             break;
 103
 104         case 't':
 105             errx(2, "Invalid -t usage.");
 106             break;
 107
 108         case 'T':
 109             errx(2, "Invalid -T usage.");
 110             break;
 111
 112         case 'X':
 113             RegexExtended = TRUE;
 114             break;
 115
 116         case 'h':
 117         default:
 118             usage();
 119             break;
 120         }
 121     }
 122
 123     argc -= optind;
 124     argv += optind;
 125
 126     return pkg_perform(argv);
 127 }
 128
 129 static void
 130 usage()
 131 {
 132     fprintf(stderr, "%s\n%s\n%s\n",
 133         "usage: pkg_version [-hIoqv] [-l limchar] [-L limchar] [[-X] -s string] [-O origin] [index]",
 134         "       pkg_version -t v1 v2",
 135         "       pkg_version -T name pattern");
 136     exit(1);
 137 }