From 29f84030ca3ef4e106e4c6b5adee49d3b764c829 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Tue, 24 Mar 2026 13:57:52 +0900
Subject: [PATCH] bigint.c: fix signed/unsigned comparison warning in base
 conversion

Co-authored-by: Claude <noreply@anthropic.com>
---
 mrbgems/mruby-bigint/core/bigint.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mrbgems/mruby-bigint/core/bigint.c b/mrbgems/mruby-bigint/core/bigint.c
index 2c8487152..5b3be1f6e 100644
--- a/mrbgems/mruby-bigint/core/bigint.c
+++ b/mrbgems/mruby-bigint/core/bigint.c
@@ -4035,7 +4035,7 @@ mpz_get_str(mpz_ctx_t *ctx, char *s, mrb_int sz, mrb_int base, mpz_t *x)
         }
 
         // convert to character
-        for (mp_limb b=b2; b>=base; b/=(mp_limb)base) {
+        for (mp_limb b=b2; b>=(mp_limb)base; b/=(mp_limb)base) {
           char a0 = (char)(a % base);
           if (a0 < 10) a0 += '0';
           else a0 += 'a' - 10;