Cast "char"s to "unsigned char" before handing them to <ctype.h> macros.

svn path=/trunk/; revision=23417
2007-11-10 00:36:01 +00:00 · 2007-11-10 00:36:01 +00:00 · 6f1740aa6c
parent 1c9158a00e
commit 6f1740aa6c
1 changed files with 1 additions and 1 deletions
--- a/plugins/wimaxasncp/packet-wimaxasncp.c
+++ b/plugins/wimaxasncp/packet-wimaxasncp.c
@ -2196,7 +2196,7 @@ static char *alnumerize(
    
    for ( ; (c = *r); ++r) 
    {
-        if (isalnum(c) || c == '_' || c == '.') 
+        if (isalnum((unsigned char)c) || c == '_' || c == '.') 
        {
            *(w++) = c;
        }