installer/makegui.c

   1 /* makegui.c
   2
   3    Small program to set the gui flag in Win32 executables.
   4
   5    Copyright (c) 2004 Matthias Kramm <kramm@quiss.org>
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
  20
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23
  24 int main(int argn, char*argv[])
  25 {
  26     char flag = 2;
  27     FILE*fi = fopen(argv[1], "rb+");
  28     if(argn<2) {
  29         printf("Usage:\n");
  30         printf("\t%s program.exe [console]\n", argv[0]);
  31         return 0;
  32     }
  33     if(argn==3) {
  34         if(!strcmp(argv[2], "console")) {
  35             flag = 3;
  36         }
  37     }
  38
  39     if(!fi) {
  40         perror(argv[1]);
  41         exit(1);
  42     }
  43     fseek(fi,220,SEEK_SET);
  44     if(flag == 2)
  45         printf("Setting Win32 GUI flag in %s\n", argv[1]);
  46     else if(flag == 3)
  47         printf("Setting Win32 Console flag in %s\n", argv[1]);
  48
  49     fwrite(&flag, 1, 1, fi);
  50     fclose(fi);
  51     return 0;
  52 }
  53