mdw@git.distorted.org.uk Git - tripe/blob - servutil.c

   1 /* -*-c-*-
   2  *
   3  * $Id: servutil.c,v 1.3 2001/06/19 22:08:11 mdw Exp $
   4  *
   5  * Various handy server-only utilities
   6  *
   7  * (c) 2001 Straylight/Edgeware
   8  */
   9
  10 /*----- Licensing notice --------------------------------------------------*
  11  *
  12  * This file is part of Trivial IP Encryption (TrIPE).
  13  *
  14  * TrIPE is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 2 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * TrIPE is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with TrIPE; if not, write to the Free Software Foundation,
  26  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  27  */
  28
  29 /*----- Revision history --------------------------------------------------*
  30  *
  31  * $Log: servutil.c,v $
  32  * Revision 1.3  2001/06/19 22:08:11  mdw
  33  * Use magic number for packet size.
  34  *
  35  * Revision 1.2  2001/02/16 21:41:06  mdw
  36  * Use new spare buffer for building MP textual representations.  Add a
  37  * function for making human-readable time strings.
  38  *
  39  * Revision 1.1  2001/02/03 20:26:37  mdw
  40  * Initial checkin.
  41  *
  42  */
  43
  44 /*----- Header files ------------------------------------------------------*/
  45
  46 #include "tripe.h"
  47
  48 /*----- Global variables --------------------------------------------------*/
  49
  50 octet buf_i[PKBUFSZ], buf_o[PKBUFSZ], buf_t[PKBUFSZ];
  51
  52 /*----- Main code ---------------------------------------------------------*/
  53
  54 /* --- @mpstr@ --- *
  55  *
  56  * Arguments:   @mp *m@ = a multiprecision integer
  57  *
  58  * Returns:     A pointer to the integer's textual representation.
  59  *
  60  * Use:         Converts a multiprecision integer to a string.  Corrupts
  61  *              @buf_t@.
  62  */
  63
  64 const char *mpstr(mp *m)
  65 {
  66   if (mp_writestring(m, (char *)buf_t, sizeof(buf_t), 10))
  67     return ("<failed>");
  68   return ((const char *)buf_t);
  69 }
  70
  71 /* --- @timestr@ --- *
  72  *
  73  * Arguments:   @time_t t@ = a time to convert
  74  *
  75  * Returns:     A pointer to a textual representation of the time.
  76  *
  77  * Use:         Converts a time to a textual representation.  Corrupts
  78  *              @buf_t@.
  79  */
  80
  81 const char *timestr(time_t t)
  82 {
  83   struct tm *tm;
  84   if (!t)
  85     return ("NEVER");
  86   tm = localtime(&t);
  87   strftime((char *)buf_t, sizeof(buf_t), "%Y-%m-%dT%H:%M:%S", tm);
  88   return ((const char *)buf_t);
  89 }
  90
  91 /*----- That's all, folks -------------------------------------------------*/