From 3e872c90c73ab9ca9d97c3130769a7aeff68c555 Mon Sep 17 00:00:00 2001
From: Olivier Fourdan <ofourdan@redhat.com>
Date: Tue, 28 Apr 2026 11:11:39 +0200
Subject: [PATCH] xkb: Fix potential uninitialized variable

As reported by static analyzer:

 | xkb/xkbtext.c:1265:5: var_decl: Declaring variable "buf" without initializer.
 | xkb/xkbtext.c:1322:5: uninit_use_in_call: Using uninitialized value "*buf" when calling "tbGetBufferString".
 | xkb/xkbtext.c:77:5: read_value: Reading value "*str" when calling "strlen".
 |   1320|           }
 |   1321|       }
 |   1322|->     return tbGetBufferString(buf);
 |   1323|   }
 |   1324|

Signed-off-by: Olivier Fourdan <ofourdan@redhat.com>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/2195>
---
 xkb/xkbtext.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xkb/xkbtext.c b/xkb/xkbtext.c
index 593c157d7..1b0e6f409 100644
--- a/xkb/xkbtext.c
+++ b/xkb/xkbtext.c
@@ -1262,7 +1262,7 @@ XkbActionText(XkbDescPtr xkb, XkbAction *action, unsigned format)
 char *
 XkbBehaviorText(XkbDescPtr xkb, XkbBehavior * behavior, unsigned format)
 {
-    char buf[256];
+    char buf[256] = "";
 
     if (format == XkbCFile) {
         if (behavior->type == XkbKB_Default)