nt/ddeclient.c

   1 /* Simple client interface to DDE servers.
   2    Copyright (C) 1998, 2001, 2002, 2003, 2004, 2005,
   3       2006, 2007, 2008, 2009, 2010  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 3 of the License, or
  10 (at your option) 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.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #include <windows.h>
  21 #include <ddeml.h>
  22 #include <stdlib.h>
  23 #include <stdio.h>
  24
  25 HDDEDATA CALLBACK
  26 DdeCallback (UINT uType, UINT uFmt, HCONV hconv,
  27              HSZ hsz1, HSZ hsz2, HDDEDATA hdata,
  28              DWORD dwData1, DWORD dwData2)
  29 {
  30   return ((HDDEDATA) NULL);
  31 }
  32
  33 #define DdeCommand(str)         \
  34         DdeClientTransaction (str, strlen (str)+1, HConversation, (HSZ)NULL, \
  35                               CF_TEXT, XTYP_EXECUTE, 30000, NULL)
  36
  37 int
  38 main (int argc, char *argv[])
  39 {
  40   DWORD idDde = 0;
  41   HCONV HConversation;
  42   HSZ   Server;
  43   HSZ   Topic = 0;
  44   char  command[1024];
  45
  46   if (argc < 2)
  47     {
  48       fprintf (stderr, "usage: ddeclient server [topic]\n");
  49       exit (1);
  50     }
  51
  52   DdeInitialize (&idDde, (PFNCALLBACK)DdeCallback, APPCMD_CLIENTONLY, 0);
  53
  54   Server = DdeCreateStringHandle (idDde, argv[1], CP_WINANSI);
  55   if (argc > 2)
  56     Topic = DdeCreateStringHandle (idDde, argv[2], CP_WINANSI);
  57
  58   HConversation = DdeConnect (idDde, Server, Topic, NULL);
  59   if (HConversation != 0)
  60     {
  61       while (fgets (command, sizeof(command), stdin) != NULL)
  62         DdeCommand (command);
  63
  64       DdeDisconnect (HConversation);
  65     }
  66
  67   DdeFreeStringHandle (idDde, Server);
  68   if (Topic)
  69     DdeFreeStringHandle (idDde, Topic);
  70   DdeUninitialize (idDde);
  71
  72   return (0);
  73 }
  74
  75 /* arch-tag: 360d7a99-2cae-447e-8d06-41ca41987e30
  76    (do not change this comment) */