emacs/nt/ddeclient.c

/* Simple client interface to DDE servers.
   Copyright (C) 1998, 2001, 2002, 2003, 2004, 2005,
      2006, 2007  Free Software Foundation, Inc.

This file is part of GNU Emacs.

GNU Emacs is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING.  If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.  */

#include <windows.h>
#include <ddeml.h>
#include <stdlib.h>
#include <stdio.h>

HDDEDATA CALLBACK
DdeCallback (UINT uType, UINT uFmt, HCONV hconv,
	     HSZ hsz1, HSZ hsz2, HDDEDATA hdata,
	     DWORD dwData1, DWORD dwData2)
{
  return ((HDDEDATA) NULL);
}

#define DdeCommand(str) 	\
	DdeClientTransaction (str, strlen (str)+1, HConversation, (HSZ)NULL, \
		              CF_TEXT, XTYP_EXECUTE, 30000, NULL)

int
main (argc, argv)
     int argc;
     char *argv[];
{
  DWORD idDde = 0;
  HCONV HConversation;
  HSZ   Server;
  HSZ   Topic = 0;
  char  command[1024];

  if (argc < 2)
    {
      fprintf (stderr, "usage: ddeclient server [topic]\n");
      exit (1);
    }

  DdeInitialize (&idDde, (PFNCALLBACK)DdeCallback, APPCMD_CLIENTONLY, 0);

  Server = DdeCreateStringHandle (idDde, argv[1], CP_WINANSI);
  if (argc > 2)
    Topic = DdeCreateStringHandle (idDde, argv[2], CP_WINANSI);

  HConversation = DdeConnect (idDde, Server, Topic, NULL);
  if (HConversation != 0)
    {
      while (fgets (command, sizeof(command), stdin) != NULL)
	DdeCommand (command);

      DdeDisconnect (HConversation);
    }

  DdeFreeStringHandle (idDde, Server);
  if (Topic)
    DdeFreeStringHandle (idDde, Topic);
  DdeUninitialize (idDde);

  return (0);
}

/* arch-tag: 360d7a99-2cae-447e-8d06-41ca41987e30
   (do not change this comment) */