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https://github.com/netfun2000/lcd4linux.git
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3ed93cefbb
fixed two typos git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@101 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
/* $Id: exec.c,v 1.2 2001/03/08 08:39:54 reinelt Exp $
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*
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* exec ('x*') functions
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*
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* Copyright 2001 by Leopold Tötsch (lt@toetsch.at)
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*
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* This program 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 2, or (at your option)
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* any later version.
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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*
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* $Log: exec.c,v $
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* Revision 1.2 2001/03/08 08:39:54 reinelt
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*
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* fixed two typos
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*
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* Revision 1.1 2001/03/07 18:10:21 ltoetsch
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* added e(x)ec commands
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*
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*
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*/
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#include <stdio.h>
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#include <time.h>
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#include "exec.h"
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#include "debug.h"
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#include "cfg.h"
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int Exec(int index, char buff[EXEC_TXT_LEN])
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{
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static time_t now = 0;
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char *command;
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char xn[4];
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FILE *pipe;
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if (time(NULL) <= now+EXEC_WAIT)
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return 0;
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time(&now);
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sprintf(xn, "x%d", index);
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command = cfg_get(xn);
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debug("command%d = %s:%s",index,xn,command);
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if (!*command) {
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error("Empty command for 'x%d'", index);
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return -1;
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}
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pipe = popen(command, "r");
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if (pipe == NULL) {
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error("Couln't run pipe '%s'", command);
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return -1;
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}
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fread(buff, EXEC_TXT_LEN, 1, pipe);
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fclose(pipe);
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buff[EXEC_TXT_LEN-1] = '\0';
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return 0;
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}
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