From c35762528ce8d934b71c896bf04a83e6341e0a3c Mon Sep 17 00:00:00 2001
From: Hasen Judy <hasen.judy@gmail.com>
Date: Wed, 13 Nov 2019 23:36:04 +0900
Subject: [PATCH] fix string reversal

---
 core/strings/strings.odin | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/core/strings/strings.odin b/core/strings/strings.odin
index 921e4f009..d55ad7e66 100644
--- a/core/strings/strings.odin
+++ b/core/strings/strings.odin
@@ -700,10 +700,11 @@ reverse :: proc(s: string, allocator := context.allocator) -> string {
 	str := s;
 	n := len(str);
 	buf := make([]byte, n);
-	i := 0;
+	i := n;
 
 	for len(str) > 0 {
 		_, w := utf8.decode_rune_in_string(str);
+		i -= w;
 		copy(buf[i:], cast([]byte)str[:w]);
 		str = str[w:];
 	}