admin/life.c

   1 /*
   2  * Copyright (c) 1997 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. All advertising materials mentioning features or use of this software
  18  *    must display the following acknowledgement:
  19  *      This product includes software developed by Kungliga Tekniska
  20  *      Högskolan and its contributors.
  21  *
  22  * 4. Neither the name of the Institute nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  */
  38
  39 #include "admin_locl.h"
  40 #include <parse_time.h>
  41
  42 time_t
  43 getlife(const char *prompt, const char *def)
  44 {
  45     char buf[1024];
  46     time_t t;
  47     while(1){
  48         printf("%s", prompt);
  49         if(def)
  50             printf(" [%s]", def);
  51         printf(": ");
  52         if(fgets(buf, sizeof(buf), stdin) == NULL)
  53             return -1;
  54         buf[strlen(buf) - 1] = 0;
  55         if(def && buf[0] == 0) strcpy(buf, def);
  56         if(strcmp(buf, "infinite") == 0 || strcmp(buf, "unlimited") == 0)
  57             return 0;
  58         t = parse_time (buf, NULL);
  59         if(t != -1)
  60             return t;
  61         printf("Unrecognised time.\n");
  62     }
  63 }
  64
  65 size_t
  66 putlife (time_t t, char *s, size_t len)
  67 {
  68     if (t == 0) {
  69         strncpy (s, "infinite", len);
  70         return strlen(s);
  71     } else
  72         return unparse_time (t, s, len);
  73 }