From 63874694f874aa8f791173950fa1c979baeeffa7 Mon Sep 17 00:00:00 2001
From: Patrick Pelissier <Patrick.Pelissier@gmail.com>
Date: Sun, 8 Apr 2018 20:01:04 +0200
Subject: [PATCH] Rewrite the code to avoid some silly warnings on some
 implementation.

---
 m-string.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/m-string.h b/m-string.h
index 04a20580..eacb2b86 100644
--- a/m-string.h
+++ b/m-string.h
@@ -391,8 +391,10 @@ string_cmpi_str(const string_t v1, const char p2[])
   int c1, c2;
   do {
     // To avoid locale without 1 per 1 mapping.
-    c1 = tolower((unsigned char) toupper((unsigned char) *p1++));
-    c2 = tolower((unsigned char) toupper((unsigned char) *p2++));
+    c1 = toupper((unsigned char) *p1++);
+    c2 = toupper((unsigned char) *p2++);
+    c1 = tolower((unsigned char) c1);
+    c2 = tolower((unsigned char) c2);
   } while (c1 == c2 && c1 != 0);
   return c1 - c2;
 }