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ctype: constify read-only _ctype string

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Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
André Goddard Rosa 2009-12-14 18:01:02 -08:00 committed by Linus Torvalds
parent 922ac25c9f
commit 7707e61c70
2 changed files with 26 additions and 26 deletions
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2
include/linux/ctype.h
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@ -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)])

2
lib/ctype.c
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@ -7,7 +7,7 @@
#include <linux/ctype.h>
#include <linux/module.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 */