Add StartWithSize to allow resizing pty before starting a command to avoid races (#62)
diff --git a/run.go b/run.go
index baecca8..2d7f961 100644
--- a/run.go
+++ b/run.go
@@ -12,11 +12,27 @@
// and c.Stderr, calls c.Start, and returns the File of the tty's
// corresponding pty.
func Start(c *exec.Cmd) (pty *os.File, err error) {
+ return StartWithSize(c, nil)
+}
+
+// StartWithSize assigns a pseudo-terminal tty os.File to c.Stdin, c.Stdout,
+// and c.Stderr, calls c.Start, and returns the File of the tty's
+// corresponding pty.
+//
+// This will resize the pty to the specified size before starting the command
+func StartWithSize(c *exec.Cmd, sz *Winsize) (pty *os.File, err error) {
pty, tty, err := Open()
if err != nil {
return nil, err
}
defer tty.Close()
+ if sz != nil {
+ err = Setsize(pty, sz)
+ if err != nil {
+ pty.Close()
+ return nil, err
+ }
+ }
c.Stdout = tty
c.Stdin = tty
c.Stderr = tty
