From aa0370b08ea8a1ad679a746c7be21a874f264fb6 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Mon, 8 Aug 2016 00:49:04 +0300
Subject: Add ucase(), lcase(), casecmp(), alpha(), digit(), alnum()

---
 butl/sha256.cxx | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'butl/sha256.cxx')

diff --git a/butl/sha256.cxx b/butl/sha256.cxx
index 7c0b21e..fb1fcc8 100644
--- a/butl/sha256.cxx
+++ b/butl/sha256.cxx
@@ -9,9 +9,11 @@
 #include <stdint.h>
 #include <stddef.h> // size_t
 
-#include <cctype>    // isxdigit(), toupper(), tolower()
+#include <cctype>    // isxdigit()
 #include <stdexcept> // invalid_argument
 
+#include <butl/utility> // ucase(), lcase()
+
 using SHA256_CTX = butl::sha256::context;
 
 extern "C"
@@ -101,7 +103,7 @@ namespace butl
       if (i > 0 && i % 2 == 0)
         f += ":";
 
-      f += toupper (c);
+      f += ucase (c);
     }
 
     return f;
@@ -131,7 +133,7 @@ namespace butl
         if (!isxdigit (c))
           bad ();
 
-        s += tolower (c);
+        s += lcase (c);
       }
     }
 
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