From e5aed9e5cbe9af294157b8be428385f609c4e066 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Fri, 6 Oct 2017 19:53:48 +0200
Subject: fix signed calls to isalpha/isdigit/isspace etc.

---
 src/util/amount.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/util/amount.c')

diff --git a/src/util/amount.c b/src/util/amount.c
index e0664853a..33ba9a2f7 100644
--- a/src/util/amount.c
+++ b/src/util/amount.c
@@ -52,7 +52,7 @@ TALER_string_to_amount (const char *str,
           0,
           sizeof (struct TALER_Amount));
   /* skip leading whitespace */
-  while (isspace(str[0]))
+  while (isspace( (unsigned char) str[0]))
     str++;
   if ('\0' == str[0])
   {
-- 
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