Import of https://github.com/ciena/voltctl at commit 40d61fbf3f910ed4017cf67c9c79e8e1f82a33a5
Change-Id: I8464c59e60d76cb8612891db3303878975b5416c
diff --git a/vendor/github.com/jessevdk/go-flags/termsize.go b/vendor/github.com/jessevdk/go-flags/termsize.go
new file mode 100644
index 0000000..1ca6a85
--- /dev/null
+++ b/vendor/github.com/jessevdk/go-flags/termsize.go
@@ -0,0 +1,28 @@
+// +build !windows,!plan9,!solaris,!appengine
+
+package flags
+
+import (
+ "syscall"
+ "unsafe"
+)
+
+type winsize struct {
+ row, col uint16
+ xpixel, ypixel uint16
+}
+
+func getTerminalColumns() int {
+ ws := winsize{}
+
+ if tIOCGWINSZ != 0 {
+ syscall.Syscall(syscall.SYS_IOCTL,
+ uintptr(0),
+ uintptr(tIOCGWINSZ),
+ uintptr(unsafe.Pointer(&ws)))
+
+ return int(ws.col)
+ }
+
+ return 80
+}