Windows fixes

qemucli/args.go

@@ -34,7 +34,7 @@ const (
 )
 
 var safeArgs = map[string]ArgAcceptedValue{
-	"accel":   ArgAcceptedValueString,
+	"accel":   ArgAcceptedValueKeyValue,
 	"boot":    ArgAcceptedValueString,
 	"m":       ArgAcceptedValueUint,
 	"smp":     ArgAcceptedValueUint,

qemucli/kv_arg.go

@@ -69,11 +69,6 @@ func NewKeyValueArg(key string, items []KeyValueArgItem) (*KeyValueArg, error) {
 			return nil, fmt.Errorf("empty key not allowed")
 		}
 
-		if len(item.Value) == 0 {
-			// Values *can* be empty, though. We do not allow them for consistency.
-			return nil, fmt.Errorf("empty value for key '%v' is not allowed", item.Key)
-		}
-
 		err := validateArgStrValue(item.Key)
 		if err != nil {
 			return nil, errors.Wrapf(err, "validate key '%v'", item.Key)

qemucli/validation.go

@@ -45,5 +45,9 @@ func validateArgStrValue(s string) error {
 		return fmt.Errorf("backslashes are not allowed")
 	}
 
+	if strings.Contains(s, "=") {
+		return fmt.Errorf("equals sign is not allowed")
+	}
+
 	return nil
 }