whatcanGOwrong

go/pkg/mod/github.com/go-delve/liner@v1.2.3-0.20231231155935-4726ab1d7f62/output_unix.go

@@ -0,0 +1,20 @@
+//go:build linux || darwin || openbsd || freebsd || netbsd
+// +build linux darwin openbsd freebsd netbsd
+
+package liner
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+func (s *State) getColumns() bool {
+	var ws winSize
+	ok, _, _ := syscall.Syscall(syscall.SYS_IOCTL, uintptr(syscall.Stdout),
+		syscall.TIOCGWINSZ, uintptr(unsafe.Pointer(&ws)))
+	if int(ok) < 0 {
+		return false
+	}
+	s.columns = int(ws.col)
+	return true
+}