ctype: constify lookup table
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/include/linux/ctype.h b/include/linux/ctype.h
index afa3639..6dec944 100644
--- a/include/linux/ctype.h
+++ b/include/linux/ctype.h
@@ -15,7 +15,7 @@
#define _X 0x40 /* hex digit */
#define _SP 0x80 /* hard space (0x20) */
-extern unsigned char _ctype[];
+extern const unsigned char _ctype[];
#define __ismask(x) (_ctype[(int)(unsigned char)(x)])
diff --git a/lib/ctype.c b/lib/ctype.c
index 6ed0468..dffe563 100644
--- a/lib/ctype.c
+++ b/lib/ctype.c
@@ -29,7 +29,7 @@
#include <linux/ctype.h>
-unsigned char _ctype[] = {
+const unsigned char _ctype[] = {
_C,_C,_C,_C,_C,_C,_C,_C, /* 0-7 */
_C,_C|_S,_C|_S,_C|_S,_C|_S,_C|_S,_C,_C, /* 8-15 */
_C,_C,_C,_C,_C,_C,_C,_C, /* 16-23 */
