Don't allow multiple server args to vncviewer

Only one is supposed to be specified, so error out instead of ignoring all but one of the arguments.
TigerVNC · Dec 3, 2024 · 8800e39 · 8800e39
1 parent fbe098a
commit 8800e39
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/vncviewer/vncviewer.cxx b/vncviewer/vncviewer.cxx
@@ -697,6 +697,9 @@ int main(int argc, char** argv)
     if (argv[i][0] == '-')
       usage(argv[0]);
 
+    if (vncServerName[0] != '\0')
+      usage(argv[0]);
+
     strncpy(vncServerName, argv[i], VNCSERVERNAMELEN);
     vncServerName[VNCSERVERNAMELEN - 1] = '\0';
     i++;