blob: fbb8f70ccf2c9b5a5383427837796a8206bc66aa [file] [log] [blame]
// +build windows
package ole
import (
"fmt"
"syscall"
"unicode/utf16"
)
func errstr(errno int) string {
// ask windows for the remaining errors
var flags uint32 = syscall.FORMAT_MESSAGE_FROM_SYSTEM | syscall.FORMAT_MESSAGE_ARGUMENT_ARRAY | syscall.FORMAT_MESSAGE_IGNORE_INSERTS
b := make([]uint16, 300)
n, err := syscall.FormatMessage(flags, 0, uint32(errno), 0, b, nil)
if err != nil {
return fmt.Sprintf("error %d (FormatMessage failed with: %v)", errno, err)
}
// trim terminating \r and \n
for ; n > 0 && (b[n-1] == '\n' || b[n-1] == '\r'); n-- {
}
return string(utf16.Decode(b[:n]))
}