crypto/heimdal-0.6.3/lib/roken/print_version.c

   1 /*
   2  * Copyright (c) 1998 - 2001 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #ifdef HAVE_CONFIG_H
  35 #include <config.h>
  36 RCSID("$Id: print_version.c,v 1.8 2001/02/20 01:44:55 assar Exp $");
  37 #endif
  38 #include "roken.h"
  39
  40 #include "print_version.h"
  41
  42 void
  43 print_version(const char *progname)
  44 {
  45     const char *arg[] = VERSIONLIST;
  46     const int num_args = sizeof(arg) / sizeof(arg[0]);
  47     char *msg;
  48     size_t len = 0;
  49     int i;
  50
  51     if(progname == NULL)
  52         progname = getprogname();
  53
  54     if(num_args == 0)
  55         msg = "no version information";
  56     else {
  57         for(i = 0; i < num_args; i++) {
  58             if(i > 0)
  59                 len += 2;
  60             len += strlen(arg[i]);
  61         }
  62         msg = malloc(len + 1);
  63         if(msg == NULL) {
  64             fprintf(stderr, "%s: out of memory\n", progname);
  65             return;
  66         }
  67         msg[0] = '\0';
  68         for(i = 0; i < num_args; i++) {
  69             if(i > 0)
  70                 strcat(msg, ", ");
  71             strcat(msg, arg[i]);
  72         }
  73     }
  74     fprintf(stderr, "%s (%s)\n", progname, msg);
  75     fprintf(stderr, "Copyright (c) 1999 - 2001 Kungliga Tekniska Högskolan\n");
  76     if(num_args != 0)
  77         free(msg);
  78 }