50 lines
962 B
Go
50 lines
962 B
Go
package stty
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import (
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"errors"
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"fmt"
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"os"
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"os/exec"
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"golang.org/x/sys/unix"
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"golang.org/x/term"
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)
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type stty interface{
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SetBaudRate(portPath string, baudrate int) error
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CheckBaudRate(portPath string) (baudrate int, err error)
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TestBaudRate(portPath string, baudrate int) error
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}
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var cmd stty
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func CMD() stty {
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return cmd
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}
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func init() {
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checkSttyCMD := exec.Command("stty", "--version")
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sttyOutput, err := checkSttyCMD.Output()
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if err != nil || len(sttyOutput) == 0 {
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cmd = &dummy{errors.Join(ERR_STTY_MISSING(),err)}
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}
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cmd = &real{}
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}
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func ValidateTtyFile(filepath string) error {
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file, err := os.Open(filepath)
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if err != nil {
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return errors.Join(ERR_CANNOT_OPEN_FILE(), fmt.Errorf(err.Error()))
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}
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defer file.Close()
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err = unix.Access(filepath, unix.W_OK)
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if err != nil {
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return errors.Join(ERR_NO_WRITE_ACCESS(), err)
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}
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if term.IsTerminal(int(file.Fd())) {
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return nil
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}
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return ERR_NOT_TTY()
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}
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