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35 lines
574 B
Perl
35 lines
574 B
Perl
$sgttyb_t = 'C4 S';
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sub cbreak {
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&set_cbreak(1);
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}
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sub cooked {
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&set_cbreak(0);
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}
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sub set_cbreak {
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local($on) = @_;
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require 'sizeof.ph';
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require 'sys/ioctl.ph';
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ioctl(STDIN,&TIOCGETP,$sgttyb)
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|| die "Can't ioctl TIOCGETP: $!";
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@ary = unpack($sgttyb_t,$sgttyb);
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if ($on) {
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$ary[4] |= &CBREAK;
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$ary[4] &= ~&ECHO;
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} else {
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$ary[4] &= ~&CBREAK;
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$ary[4] |= &ECHO;
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}
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$sgttyb = pack($sgttyb_t,@ary);
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ioctl(STDIN,&TIOCSETP,$sgttyb)
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|| die "Can't ioctl TIOCSETP: $!";
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}
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1;
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