From bb82e6bbbad9a35ca296b42079a8f805f8d5a09b Mon Sep 17 00:00:00 2001
From: Manuel Giraud <manuel@ledu-giraud.fr>
Date: Tue, 13 Dec 2022 10:53:30 +0100
Subject: [PATCH] Fix GDB default history size

* lisp/progmodes/gdb-mi.el (gdb): HISTSIZE might not be set.
---
 lisp/progmodes/gdb-mi.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lisp/progmodes/gdb-mi.el b/lisp/progmodes/gdb-mi.el
index eb0e5b0481..897fe5af2c 100644
--- a/lisp/progmodes/gdb-mi.el
+++ b/lisp/progmodes/gdb-mi.el
@@ -874,7 +874,7 @@ gdb
 					   "_gdb_history"
 					 ".gdb_history"))))
 	  ;; gdb defaults to 256, but we'll default to comint-input-ring-size.
-	  (hsize (getenv "HISTSIZE")))
+	  (hsize (or (getenv "HISTSIZE") comint-input-ring-size)))
       (dolist (file (append '("~/.gdbinit")
 			    (unless (string-equal (expand-file-name ".")
                                                   (expand-file-name "~"))
-- 
2.38.1