From f13101124c9806311219e5f805fc723dcdbc912c Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Fri, 19 Jan 2024 18:24:34 +0900
Subject: [PATCH] string.c: add cast to remove warnings

---
 src/string.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/string.c b/src/string.c
index 7a0363b2e..e80f7fbff 100644
--- a/src/string.c
+++ b/src/string.c
@@ -494,9 +494,9 @@ mrb_memsearch(const void *x0, mrb_int m, const void *y0, mrb_int n)
       return -1;
   }
   if (n + m < MRB_QS_SHORT_STRING_LENGTH) {
-    const unsigned char *ys = y0;
+    const unsigned char *ys = (unsigned char*)y0;
     const unsigned char *y = ys;
-    const unsigned char *ye = y0+n-m+1;
+    const unsigned char *ye = ys+n-m+1;
 
     for (;;) {
       y = (const unsigned char*)memchr(y, x[0], (size_t)(ye-ys));