cistring.cc

   1 /*
   2  * Copyright (c) 2001, Gary R. Van Sickle.
   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 Gary R. Van Sickle <g.r.vansickle@worldnet.att.net>
  13  *
  14  */
  15
  16 // Yep, another string class
  17
  18 #include "cistring.h"
  19 #include <stdlib.h>
  20
  21 DWORD
  22 cistring::Format (UINT i, ...)
  23 {
  24   TCHAR FormatStringBuffer[256];
  25   TCHAR *Buff;
  26   va_list arglist;
  27   DWORD numchars;
  28
  29   // Get the string from the stringtable (FormatMessage() can only work with
  30   // literal strings or *message*table entries, which are different for some
  31   // inexplicable reason).
  32   LoadString (GetModuleHandle (NULL), i, FormatStringBuffer, 256);
  33
  34   va_start (arglist, i);
  35   numchars =::
  36     FormatMessage (FORMAT_MESSAGE_ALLOCATE_BUFFER |
  37                    FORMAT_MESSAGE_FROM_STRING, FormatStringBuffer, i, 0,
  38                    (LPTSTR) & Buff, 0, &arglist);
  39   va_end (arglist);
  40
  41   if (numchars == 0)
  42     {
  43       // Something went wrong.
  44       return 0;
  45     }
  46
  47   buffer = new TCHAR[(numchars + 1) * sizeof (TCHAR)];
  48   memcpy (buffer, Buff, (numchars + 1) * sizeof (TCHAR));
  49   LocalFree (Buff);
  50
  51   return numchars;
  52 }