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-rw-r--r--dependencies/pkg/mod/github.com/jessevdk/go-flags@v1.5.0/termsize_windows.go85
1 files changed, 85 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/github.com/jessevdk/go-flags@v1.5.0/termsize_windows.go b/dependencies/pkg/mod/github.com/jessevdk/go-flags@v1.5.0/termsize_windows.go
new file mode 100644
index 0000000..5c0fa6b
--- /dev/null
+++ b/dependencies/pkg/mod/github.com/jessevdk/go-flags@v1.5.0/termsize_windows.go
@@ -0,0 +1,85 @@
+// +build windows
+
+package flags
+
+import (
+ "syscall"
+ "unsafe"
+)
+
+type (
+ SHORT int16
+ WORD uint16
+
+ SMALL_RECT struct {
+ Left SHORT
+ Top SHORT
+ Right SHORT
+ Bottom SHORT
+ }
+
+ COORD struct {
+ X SHORT
+ Y SHORT
+ }
+
+ CONSOLE_SCREEN_BUFFER_INFO struct {
+ Size COORD
+ CursorPosition COORD
+ Attributes WORD
+ Window SMALL_RECT
+ MaximumWindowSize COORD
+ }
+)
+
+var kernel32DLL = syscall.NewLazyDLL("kernel32.dll")
+var getConsoleScreenBufferInfoProc = kernel32DLL.NewProc("GetConsoleScreenBufferInfo")
+
+func getError(r1, r2 uintptr, lastErr error) error {
+ // If the function fails, the return value is zero.
+ if r1 == 0 {
+ if lastErr != nil {
+ return lastErr
+ }
+ return syscall.EINVAL
+ }
+ return nil
+}
+
+func getStdHandle(stdhandle int) (uintptr, error) {
+ handle, err := syscall.GetStdHandle(stdhandle)
+ if err != nil {
+ return 0, err
+ }
+ return uintptr(handle), nil
+}
+
+// GetConsoleScreenBufferInfo retrieves information about the specified console screen buffer.
+// http://msdn.microsoft.com/en-us/library/windows/desktop/ms683171(v=vs.85).aspx
+func GetConsoleScreenBufferInfo(handle uintptr) (*CONSOLE_SCREEN_BUFFER_INFO, error) {
+ var info CONSOLE_SCREEN_BUFFER_INFO
+ if err := getError(getConsoleScreenBufferInfoProc.Call(handle, uintptr(unsafe.Pointer(&info)), 0)); err != nil {
+ return nil, err
+ }
+ return &info, nil
+}
+
+func getTerminalColumns() int {
+ defaultWidth := 80
+
+ stdoutHandle, err := getStdHandle(syscall.STD_OUTPUT_HANDLE)
+ if err != nil {
+ return defaultWidth
+ }
+
+ info, err := GetConsoleScreenBufferInfo(stdoutHandle)
+ if err != nil {
+ return defaultWidth
+ }
+
+ if info.MaximumWindowSize.X > 0 {
+ return int(info.MaximumWindowSize.X)
+ }
+
+ return defaultWidth
+}