github.com/kunnos/engine@v1.13.1/pkg/term/term_unix.go (about)

     1  // +build !solaris,!windows
     2  
     3  package term
     4  
     5  import (
     6  	"syscall"
     7  	"unsafe"
     8  )
     9  
    10  // GetWinsize returns the window size based on the specified file descriptor.
    11  func GetWinsize(fd uintptr) (*Winsize, error) {
    12  	ws := &Winsize{}
    13  	_, _, err := syscall.Syscall(syscall.SYS_IOCTL, fd, uintptr(syscall.TIOCGWINSZ), uintptr(unsafe.Pointer(ws)))
    14  	// Skipp errno = 0
    15  	if err == 0 {
    16  		return ws, nil
    17  	}
    18  	return ws, err
    19  }
    20  
    21  // SetWinsize tries to set the specified window size for the specified file descriptor.
    22  func SetWinsize(fd uintptr, ws *Winsize) error {
    23  	_, _, err := syscall.Syscall(syscall.SYS_IOCTL, fd, uintptr(syscall.TIOCSWINSZ), uintptr(unsafe.Pointer(ws)))
    24  	// Skipp errno = 0
    25  	if err == 0 {
    26  		return nil
    27  	}
    28  	return err
    29  }