[PATCH 1/1] wineboot: Check if ai_canonname is NULL.

[Tim Clem]

From: Tim Clem <[e-mail]>

Linux may not ever return a null cannonname when AI_CANONNAME is set,
but macOS does.

Fixes: 88854b52599d76b9fdd51819396aacf009712655
---
 programs/wineboot/wineboot.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/programs/wineboot/wineboot.c b/programs/wineboot/wineboot.c
index 1e2a7b7b4c4..e8bbdcf59a3 100644
--- a/programs/wineboot/wineboot.c
+++ b/programs/wineboot/wineboot.c
@@ -836,7 +836,7 @@ static void create_computer_name_keys(void)
     hints.ai_flags = AI_CANONNAME;
     if (getaddrinfo( buffer, NULL, &hints, &res ) != 0)
         res = NULL;
-    else if (strcasecmp( res->ai_canonname, "localhost" ) != 0)
+    else if (res->ai_canonname && strcasecmp( res->ai_canonname, "localhost" ) != 0)
         name = res->ai_canonname;
     dot = strchr( name, '.' );
     if (dot) *dot++ = 0;
-- 
GitLab

https://gitlab.winehq.org/wine/wine/-/merge_requests/9938