From 36d02dc33e2bd47c653a7ad06ed92973f3dcab37 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Sun, 17 Nov 2024 22:45:07 +0900
Subject: [PATCH] Fix format modifier for `size_t`

Also fix the message, just `RB_GC_MAX_NAME_LEN` chars long is OK.
---
 gc.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/gc.c b/gc.c
index ff2f9c1a05..b16b288682 100644
--- a/gc.c
+++ b/gc.c
@@ -2780,9 +2780,10 @@ const char *
 rb_gc_active_gc_name(void)
 {
     const char *gc_name = rb_gc_impl_active_gc_name();
-    if (strlen(gc_name) > RB_GC_MAX_NAME_LEN) {
-        rb_bug("GC should have a name shorter than %d chars. Currently: %lu (%s)",
-            RB_GC_MAX_NAME_LEN, strlen(gc_name), gc_name);
+    const size_t len = strlen(gc_name);
+    if (len > RB_GC_MAX_NAME_LEN) {
+        rb_bug("GC should have a name no more than %d chars long. Currently: %zu (%s)",
+               RB_GC_MAX_NAME_LEN, len, gc_name);
     }
     return gc_name;