48 lines
807 B
C
48 lines
807 B
C
#include <u.h>
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#include <termios.h>
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#include <sys/termios.h>
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#include <libc.h>
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#include "term.h"
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int
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getpts(int fd[], char *slave)
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{
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fd[1] = open("/dev/ptmx", ORDWR);
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if ((grantpt(fd[1]) < 0) || (unlockpt(fd[1]) < 0))
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return -1;
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fchmod(fd[1], 0622);
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strcpy(slave, ptsname(fd[1]));
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fd[0] = open(slave, OREAD);
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return 0;
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}
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int
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childpty(int fd[], char *slave)
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{
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int sfd;
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close(fd[1]);
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setsid();
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sfd = open(slave, ORDWR);
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if(sfd < 0)
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sysfatal("open %s: %r\n", slave);
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return sfd;
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}
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struct winsize ows;
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void
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updatewinsize(int row, int col, int dx, int dy)
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{
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struct winsize ws;
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ws.ws_row = row;
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ws.ws_col = col;
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ws.ws_xpixel = dx;
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ws.ws_ypixel = dy;
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if(ws.ws_row != ows.ws_row || ws.ws_col != ows.ws_col)
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if(ioctl(rcfd, TIOCSWINSZ, &ws) < 0)
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fprint(2, "ioctl: %r\n");
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ows = ws;
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}
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