From: Piotr Jaroszyński <p.jaroszynski@gmail.com>
Date: Sun, 18 Jul 2010 15:53:47 +0000 (+0200)
Subject: [libc] Add isxdigit()
X-Git-Tag: v1.20.1~2578
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6e4573bcd049576f8890065fc78a2f43c995f45b;p=thirdparty%2Fipxe.git

[libc] Add isxdigit()

Signed-off-by: Piotr Jaroszyński <p.jaroszynski@gmail.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
---

diff --git a/src/include/ctype.h b/src/include/ctype.h
index ed4d88469..9f5127bf1 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)
 {