From ebd776a422cb21c846ea58f30930234c918e65d9 Mon Sep 17 00:00:00 2001
From: =?utf8?q?P=C3=A1draig=20Brady?= <P@draigBrady.com>
Date: Wed, 12 Jul 2023 20:34:47 +0100
Subject: [PATCH] maint: give a new function the "pure" attribute

* src/digest.c (problematic_chars): This recently introduced
function does not modify state so is pure, even though GCC 13.1 at least
did not warn about that attribute being appropriate.
---
 src/digest.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/digest.c b/src/digest.c
index 5490f96a49..e80eb3406a 100644
--- a/src/digest.c
+++ b/src/digest.c
@@ -564,6 +564,7 @@ or equivalent standalone program.\
    that need escaping.  Note we escape '\' itself to provide some forward
    compat to introduce escaping of other characters.  */
 
+ATTRIBUTE_PURE
 static bool
 problematic_chars (char const *s)
 {
-- 
2.47.2