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$NetBSD: patch-src_functions_funcs.c,v 1.1 2016/01/17 15:14:47 joerg Exp $
--- src/functions/funcs.c.orig 2016-01-16 13:50:27.000000000 +0000
+++ src/functions/funcs.c
@@ -56,7 +56,7 @@
if(ss[i]==' ')
s[j++]='+';
else
- if((toupper(ss[i])>= 'A') && (toupper(ss[i]<='Z')))
+ if((toupper((unsigned char)ss[i])>= 'A') && (toupper((unsigned char)ss[i]<='Z')))
s[j++]=ss[i];
else
if(ss[i]>='0' && ss[i]<='9') s[j++]=ss[i];
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