68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
#include "lib.h"
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#include <minix/com.h>
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#include <sgtty.h>
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PUBLIC int ioctl(fd, request, u)
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int fd;
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int request;
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union {
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struct sgttyb *argp;
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struct tchars *argt;
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} u;
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{
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int n, ispeed, ospeed;
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long erase, kill, intr, quit, xon, xoff, eof, brk, speed;
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M.TTY_REQUEST = request;
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M.TTY_LINE = fd;
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switch(request) {
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case TIOCSETP:
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erase = u.argp->sg_erase & BYTE;
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kill = u.argp->sg_kill & BYTE;
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M.TTY_SPEK = (erase << 8) | kill;
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M.TTY_FLAGS = u.argp->sg_flags;
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M.TTY_SPEED = (u.argp->sg_ospeed << 8) | u.argp->sg_ispeed;
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n = callx(FS, IOCTL);
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return(n);
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case TIOCSETC:
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intr = u.argt->t_intrc & BYTE;
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quit = u.argt->t_quitc & BYTE;
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xon = u.argt->t_startc & BYTE;
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xoff = u.argt->t_stopc & BYTE;
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eof = u.argt->t_eofc & BYTE;
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brk = u.argt->t_brkc & BYTE; /* not used at the moment */
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M.TTY_SPEK = (intr<<24) | (quit<<16) | (xon<<8) | (xoff<<0);
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M.TTY_FLAGS = (eof<<8) | (brk<<0);
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n = callx(FS, IOCTL);
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return(n);
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case TIOCGETP:
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n = callx(FS, IOCTL);
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u.argp->sg_erase = (M.TTY_SPEK >> 8) & BYTE;
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u.argp->sg_kill = (M.TTY_SPEK >> 0) & BYTE;
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u.argp->sg_flags = M.TTY_FLAGS & 0xFFFF;
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speed = (M.TTY_FLAGS >> 16) & 0xFFFFL;
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u.argp->sg_ispeed = speed & BYTE;
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u.argp->sg_ospeed = (speed >> 8) & BYTE;
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return(n);
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case TIOCGETC:
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n = callx(FS, IOCTL);
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u.argt->t_intrc = (M.TTY_SPEK >> 24) & BYTE;
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u.argt->t_quitc = (M.TTY_SPEK >> 16) & BYTE;
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u.argt->t_startc = (M.TTY_SPEK >> 8) & BYTE;
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u.argt->t_stopc = (M.TTY_SPEK >> 0) & BYTE;
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u.argt->t_eofc = (M.TTY_FLAGS >> 8) & BYTE;
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u.argt->t_brkc = (M.TTY_FLAGS >> 8) & BYTE;
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return(n);
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default:
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n = -1;
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errno = -(EINVAL);
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return(n);
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}
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}
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