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emacs/nt/ddeclient.c
Paul Eggert 365e01cc9f Update copyright year to 2020
Run "TZ=UTC0 admin/update-copyright $(git ls-files)".
2020-01-01 00:59:52 +00:00

76 lines
2.0 KiB
C

/* Simple client interface to DDE servers.
Copyright (C) 1998, 2001-2020 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 3 of the License, 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. If not, see <https://www.gnu.org/licenses/>. */
#include <windows.h>
#include <ddeml.h>
#include <stdlib.h>
#include <stdio.h>
HDDEDATA CALLBACK DdeCallback (UINT, UINT, HCONV, HSZ, HSZ, HDDEDATA, DWORD_PTR,
DWORD_PTR);
HDDEDATA CALLBACK
DdeCallback (UINT uType, UINT uFmt, HCONV hconv,
HSZ hsz1, HSZ hsz2, HDDEDATA hdata,
DWORD_PTR dwData1, DWORD_PTR dwData2)
{
return ((HDDEDATA) NULL);
}
#define DdeCommand(str) \
DdeClientTransaction (str, strlen (str)+1, HConversation, (HSZ)NULL, \
CF_TEXT, XTYP_EXECUTE, 30000, NULL)
int
main (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);
}