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

(limited to 'src/wire')

diff --git a/src/wire/plugin_wire_sepa.c b/src/wire/plugin_wire_sepa.c
index 6300d8205..f0cef029f 100644
--- a/src/wire/plugin_wire_sepa.c
+++ b/src/wire/plugin_wire_sepa.c
@@ -309,7 +309,7 @@ validate_iban (const char *iban)
   nbuf = GNUNET_malloc ((len * 2) + 1);
   for (i=0, j=0; i < len; i++)
   {
-    if (isalpha ((int) ibancpy[i]))
+    if (isalpha ((unsigned char) ibancpy[i]))
     {
       if (2 != snprintf(&nbuf[j],
                         3,
@@ -326,7 +326,7 @@ validate_iban (const char *iban)
     j++;
   }
   for (j=0;'\0' != nbuf[j];j++)
-    GNUNET_assert (isdigit(nbuf[j]));
+    GNUNET_assert (isdigit( (unsigned char) nbuf[j]));
   GNUNET_assert (sizeof(dividend) >= 8);
   remainder = 0;
   for (i=0; i<j; i+=16)
-- 
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