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[util] Disable automatic CR->LF conversion in serial-console utility
DUET (the EFI test environment) seems not to handle LF, so inhibit the CR->LF conversion that the pty does for us by default. This doesn't affect operation of gPXE, which will happily accept either CR or LF.
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@ -224,8 +224,8 @@ if ( -t STDIN ) {
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$restore_termios = POSIX::Termios->new;
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$termios->getattr ( fileno(STDIN) );
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$restore_termios->getattr ( fileno(STDIN) );
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$termios->setlflag ( $termios->getlflag &
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~(ICANON) & ~(ECHO) );
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$termios->setlflag ( $termios->getlflag & ~(ICANON) & ~(ECHO) );
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$termios->setiflag ( $termios->getiflag & ~(ICRNL) );
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$termios->setattr ( fileno(STDIN), TCSANOW );
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}
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