From 6e4573bcd049576f8890065fc78a2f43c995f45b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piotr=20Jaroszy=C5=84ski?= <p.jaroszynski@gmail.com>
Date: Sun, 18 Jul 2010 17:53:47 +0200
Subject: [PATCH] [libc] Add isxdigit()
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Signed-off-by: Piotr Jaroszyński <p.jaroszynski@gmail.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
---
 src/include/ctype.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/include/ctype.h b/src/include/ctype.h
index ed4d8846..9f5127bf 100644
--- a/src/include/ctype.h
+++ b/src/include/ctype.h
@@ -11,6 +11,7 @@ FILE_LICENCE ( GPL2_OR_LATER );
 #define isdigit(c)	((c) >= '0' && (c) <= '9')
 #define islower(c)	((c) >= 'a' && (c) <= 'z')
 #define isupper(c)	((c) >= 'A' && (c) <= 'Z')
+#define isxdigit(c)	(isdigit(c) || ((c) >= 'A' && (c) <= 'F') || ((c) >= 'a' && (c) <= 'f'))
 
 static inline unsigned char tolower(unsigned char c)
 {