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/*
* A simple 'reading' pipe (and a command executor)
* Copyright (C) 1999 Guido Masarotto
* (C) 2004-10 The R Core Team
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, a copy is available at
* http://www.r-project.org/Licenses/
*/
#define WIN32_LEAN_AND_MEAN 1
#include <windows.h>
struct structRPIPE {
PROCESS_INFORMATION pi;
HANDLE thread;
HANDLE read, write;
int exitcode, active;
};
typedef struct structRPIPE rpipe;
/*
* runcmd and rpipeClose return the exit code of the process
* if runcmd return NOLAUNCH, problems in process start
*/
#define runcmd Rf_runcmd
int runcmd(const char *cmd, cetype_t enc, int wait, int visible,
const char *fin, const char *fout, const char *ferr);
rpipe *rpipeOpen(const char *cmd, cetype_t enc, int visible,
const char *finput, int io,
const char *fout, const char *ferr);
char *rpipeGets(rpipe *r, char *buf, int len);
int rpipeGetc(rpipe *r);
int rpipeClose(rpipe *r);
char *runerror(void);
/* Changed in R 2.12.0 to be the conventional Unix value -- previously -1 */
#define NOLAUNCH 127
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