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76 lines
2.0 KiB
C
76 lines
2.0 KiB
C
/* Simple client interface to DDE servers.
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Copyright (C) 1998, 2001-2020 Free Software Foundation, Inc.
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This file is part of GNU Emacs.
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GNU Emacs is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at
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your option) any later version.
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GNU Emacs is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. */
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#include <windows.h>
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#include <ddeml.h>
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#include <stdlib.h>
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#include <stdio.h>
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HDDEDATA CALLBACK DdeCallback (UINT, UINT, HCONV, HSZ, HSZ, HDDEDATA, DWORD_PTR,
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DWORD_PTR);
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HDDEDATA CALLBACK
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DdeCallback (UINT uType, UINT uFmt, HCONV hconv,
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HSZ hsz1, HSZ hsz2, HDDEDATA hdata,
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DWORD_PTR dwData1, DWORD_PTR dwData2)
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{
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return ((HDDEDATA) NULL);
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}
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#define DdeCommand(str) \
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DdeClientTransaction (str, strlen (str)+1, HConversation, (HSZ)NULL, \
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CF_TEXT, XTYP_EXECUTE, 30000, NULL)
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int
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main (int argc, char *argv[])
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{
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DWORD idDde = 0;
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HCONV HConversation;
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HSZ Server;
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HSZ Topic = 0;
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char command[1024];
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if (argc < 2)
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{
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fprintf (stderr, "usage: ddeclient server [topic]\n");
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exit (1);
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}
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DdeInitialize (&idDde, (PFNCALLBACK)DdeCallback, APPCMD_CLIENTONLY, 0);
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Server = DdeCreateStringHandle (idDde, argv[1], CP_WINANSI);
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if (argc > 2)
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Topic = DdeCreateStringHandle (idDde, argv[2], CP_WINANSI);
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HConversation = DdeConnect (idDde, Server, Topic, NULL);
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if (HConversation != 0)
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{
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while (fgets (command, sizeof(command), stdin) != NULL)
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DdeCommand (command);
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DdeDisconnect (HConversation);
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}
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DdeFreeStringHandle (idDde, Server);
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if (Topic)
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DdeFreeStringHandle (idDde, Topic);
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DdeUninitialize (idDde);
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return (0);
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}
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