version.cc

   1 /*
   2  * Copyright (c) 2000, Red Hat, Inc.
   3  *
   4  *     This program is free software; you can redistribute it and/or modify
   5  *     it under the terms of the GNU General Public License as published by
   6  *     the Free Software Foundation; either version 2 of the License, or
   7  *     (at your option) any later version.
   8  *
   9  *     A copy of the GNU General Public License can be found at
  10  *     http://www.gnu.org/
  11  *
  12  * Written by DJ Delorie <dj@cygnus.com>
  13  *
  14  */
  15
  16 #if 0
  17 static const char *cvsid =
  18   "\n%%% $Id$\n";
  19 #endif
  20
  21 #include "win32.h"
  22
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <unistd.h>
  26 #include <ctype.h>
  27
  28 #include "version.h"
  29
  30 String
  31 canonicalize_version (String const &aString)
  32 {
  33   const char *v =aString.cstr_oneuse();
  34   static char nv[3][100];
  35   static int idx = 0;
  36   char *np;
  37   const char *dp;
  38   int i;
  39
  40   idx = (idx + 1) % 3;
  41   np = nv[idx];
  42
  43   while (*v)
  44     {
  45       if (isdigit (*v))
  46         {
  47           for (dp = v; *dp && isdigit (*dp); dp++);
  48           for (i = dp - v; i < 12; i++)
  49             *np++ = '0';
  50           while (v < dp)
  51             *np++ = *v++;
  52         }
  53       else
  54         *np++ = *v++;
  55     }
  56   *np++ = 0;
  57   return nv[idx];
  58 }