From f3d75f38a9246c201a2e2a241c9c7c18131c7d9d Mon Sep 17 00:00:00 2001
From: Elias Naur <mail@eliasnaur.com>
Date: Mon, 29 Mar 2021 09:20:24 +0200
Subject: [PATCH] app/internal/wm: [macOS/iOS] don't release nil strings in
 nsstringToString

Fixes gio#210

Signed-off-by: Elias Naur <mail@eliasnaur.com>
---
 app/internal/wm/os_darwin.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/app/internal/wm/os_darwin.go b/app/internal/wm/os_darwin.go
index e5237005..d804c9cf 100644
--- a/app/internal/wm/os_darwin.go
+++ b/app/internal/wm/os_darwin.go
@@ -76,6 +76,9 @@ func gio_dispatchMainFuncs() {
 // nsstringToString converts a NSString to a Go string, and
 // releases the original string.
 func nsstringToString(str C.CFTypeRef) string {
+	if str == 0 {
+		return ""
+	}
 	defer C.CFRelease(str)
 	n := C.gio_nsstringLength(str)
 	if n == 0 {