1 files changed, 11 insertions, 1 deletions
diff --git a/make/config/joal-alc-impl-CustomCCode.c b/make/config/joal-alc-impl-CustomCCode.c
index 9207210..bd4a57a 100644
--- a/make/config/joal-alc-impl-CustomCCode.c
+++ b/make/config/joal-alc-impl-CustomCCode.c
@@ -1,6 +1,16 @@
+#include <stdbool.h>
+
+bool alc_is_double_null_terminated_string(ALCdevice *device, int param) {
+  return device == NULL && (
+    param == ALC_DEVICE_SPECIFIER ||
+    param == ALC_CAPTURE_DEVICE_SPECIFIER ||
+    param == ALC_ALL_DEVICES_SPECIFIER
+  );
+}
+
 int strlen_alc(ALCdevice *device, int param, const char* str) {
   int len = 0;
-  if ((device == NULL) && (param == ALC_DEVICE_SPECIFIER)) {
+  if (alc_is_double_null_terminated_string(device, param)) {
     while (*str != 0) {
       while (*str != 0) {
         ++str;