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106 lines (96 loc) · 2.37 KB
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/*
* ipc.c talk to the keyserv process.
*
* Entry point:
*
* keyserv(command, arg)
* command can be KINSTALL, KUNINSTALL, or a command for keyserv.
* arg is a 1 byte argument.
*
* This file is part of the minicom communications package,
* Copyright 1991-1995 Miquel van Smoorenburg.
*
* 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.
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <strings.h>
#include "port.h"
#include "minicom.h"
#include "intl.h"
/* Check if there is IO pending. */
int check_io(int fd1, int fd2, int tmout, char *buf,
int bufsize, int *bytes_read)
{
int n = 0, i;
struct timeval tv;
fd_set fds;
tv.tv_sec = tmout / 1000;
tv.tv_usec = (tmout % 1000) * 1000L;
i = fd1;
if (fd2 > fd1)
i = fd2;
FD_ZERO(&fds);
if (fd1 >= 0)
FD_SET(fd1, &fds);
else
fd1 = 0;
if (fd2 >= 0)
FD_SET(fd2, &fds);
else
fd2 = 0;
if (fd2 == 0 && io_pending)
n = 2;
else if (select(i + 1, &fds, NULL, NULL, &tv) > 0)
n = 1 * (FD_ISSET(fd1, &fds) > 0) + 2 * (FD_ISSET(fd2, &fds) > 0);
/* If there is data put it in the buffer. */
if (buf) {
i = 0;
if ((n & 1) == 1) {
i = read(fd1, buf, bufsize - 1);
#ifdef USE_SOCKET
if (!i && portfd_is_socket && portfd == fd1)
term_socket_close();
#endif /* USE_SOCKET */
}
buf[i > 0 ? i : 0] = 0;
if (bytes_read)
*bytes_read = i;
}
return n;
}
int keyboard(int cmd, int arg)
{
switch (cmd) {
case KSTART:
case KSTOP:
break;
case KSIGIO:
break;
case KGETKEY:
return wxgetch();
case KSETESC:
escape = arg;
break;
case KSETBS:
vt_set(-1, -1, -1, arg, -1, -1, -1, -1, -1);
break;
case KCURST:
vt_set(-1, -1, -1, -1, -1, NORMAL, -1, -1, -1);
break;
case KCURAPP:
vt_set(-1, -1, -1, -1, -1, APPL, -1, -1, -1);
break;
default:
/* The rest is only meaningful if a keyserv runs. */
break;
}
return 0;
}