code.delx.au - gnu-emacs/blob - nt/ddeclient.c

   1 /* Simple client interface to DDE servers.
   2    Copyright (C) 1998, 2002, 2003, 2004, 2005,
   3       2006 Free Software Foundation, Inc.
   4
   5 This file is part of GNU Emacs.
   6
   7 GNU Emacs 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, or (at your option)
  10 any later version.
  11
  12 GNU Emacs 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 GNU Emacs; see the file COPYING.  If not, write to
  19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20 Boston, MA 02110-1301, USA.  */
  21
  22 #include <windows.h>
  23 #include <ddeml.h>
  24 #include <stdlib.h>
  25 #include <stdio.h>
  26
  27 HDDEDATA CALLBACK
  28 DdeCallback (UINT uType, UINT uFmt, HCONV hconv,
  29              HSZ hsz1, HSZ hsz2, HDDEDATA hdata,
  30              DWORD dwData1, DWORD dwData2)
  31 {
  32   return ((HDDEDATA) NULL);
  33 }
  34
  35 #define DdeCommand(str)         \
  36         DdeClientTransaction (str, strlen (str)+1, HConversation, (HSZ)NULL, \
  37                               CF_TEXT, XTYP_EXECUTE, 30000, NULL)
  38
  39 int
  40 main (argc, argv)
  41      int argc;
  42      char *argv[];
  43 {
  44   DWORD idDde = 0;
  45   HCONV HConversation;
  46   HSZ   Server;
  47   HSZ   Topic = 0;
  48   char  command[1024];
  49
  50   if (argc < 2)
  51     {
  52       fprintf (stderr, "usage: ddeclient server [topic]\n");
  53       exit (1);
  54     }
  55
  56   DdeInitialize (&idDde, (PFNCALLBACK)DdeCallback, APPCMD_CLIENTONLY, 0);
  57
  58   Server = DdeCreateStringHandle (idDde, argv[1], CP_WINANSI);
  59   if (argc > 2)
  60     Topic = DdeCreateStringHandle (idDde, argv[2], CP_WINANSI);
  61
  62   HConversation = DdeConnect (idDde, Server, Topic, NULL);
  63   if (HConversation != 0)
  64     {
  65       while (fgets (command, sizeof(command), stdin) != NULL)
  66         DdeCommand (command);
  67
  68       DdeDisconnect (HConversation);
  69     }
  70
  71   DdeFreeStringHandle (idDde, Server);
  72   if (Topic)
  73     DdeFreeStringHandle (idDde, Topic);
  74   DdeUninitialize (idDde);
  75
  76   return (0);
  77 }
  78
  79 /* arch-tag: 360d7a99-2cae-447e-8d06-41ca41987e30
  80    (do not change this comment) */