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[PATCH gnumach 10/16] Import Linux 3.1 ctype code
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From: |
Guillem Jover |
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Subject: |
[PATCH gnumach 10/16] Import Linux 3.1 ctype code |
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Date: |
Tue, 30 Aug 2011 03:09:36 +0200 |
* linux/src/include/linux/ctype.h: Update file.
* linux/src/lib/ctype.c: Likewise.
---
linux/src/include/linux/ctype.h | 70 +++++++++++++++++++++++++++-----------
linux/src/lib/ctype.c | 54 +++++++++++++++---------------
2 files changed, 77 insertions(+), 47 deletions(-)
diff --git a/linux/src/include/linux/ctype.h b/linux/src/include/linux/ctype.h
index 838ef93..8acfe31 100644
--- a/linux/src/include/linux/ctype.h
+++ b/linux/src/include/linux/ctype.h
@@ -1,6 +1,11 @@
#ifndef _LINUX_CTYPE_H
#define _LINUX_CTYPE_H
+/*
+ * NOTE! This ctype does not handle EOF like the standard C
+ * library is required to.
+ */
+
#define _U 0x01 /* upper */
#define _L 0x02 /* lower */
#define _D 0x04 /* digit */
@@ -10,25 +15,50 @@
#define _X 0x40 /* hex digit */
#define _SP 0x80 /* hard space (0x20) */
-extern unsigned char _ctype[];
-extern char _ctmp;
-
-#define isalnum(c) ((_ctype+1)[c]&(_U|_L|_D))
-#define isalpha(c) ((_ctype+1)[c]&(_U|_L))
-#define iscntrl(c) ((_ctype+1)[c]&(_C))
-#define isdigit(c) ((_ctype+1)[c]&(_D))
-#define isgraph(c) ((_ctype+1)[c]&(_P|_U|_L|_D))
-#define islower(c) ((_ctype+1)[c]&(_L))
-#define isprint(c) ((_ctype+1)[c]&(_P|_U|_L|_D|_SP))
-#define ispunct(c) ((_ctype+1)[c]&(_P))
-#define isspace(c) ((_ctype+1)[c]&(_S))
-#define isupper(c) ((_ctype+1)[c]&(_U))
-#define isxdigit(c) ((_ctype+1)[c]&(_D|_X))
-
-#define isascii(c) (((unsigned) c)<=0x7f)
-#define toascii(c) (((unsigned) c)&0x7f)
-
-#define tolower(c) (_ctmp=c,isupper(_ctmp)?_ctmp-('A'-'a'):_ctmp)
-#define toupper(c) (_ctmp=c,islower(_ctmp)?_ctmp-('a'-'A'):_ctmp)
+extern const unsigned char _ctype[];
+
+#define __ismask(x) (_ctype[(int)(unsigned char)(x)])
+
+#define isalnum(c) ((__ismask(c)&(_U|_L|_D)) != 0)
+#define isalpha(c) ((__ismask(c)&(_U|_L)) != 0)
+#define iscntrl(c) ((__ismask(c)&(_C)) != 0)
+#define isdigit(c) ((__ismask(c)&(_D)) != 0)
+#define isgraph(c) ((__ismask(c)&(_P|_U|_L|_D)) != 0)
+#define islower(c) ((__ismask(c)&(_L)) != 0)
+#define isprint(c) ((__ismask(c)&(_P|_U|_L|_D|_SP)) != 0)
+#define ispunct(c) ((__ismask(c)&(_P)) != 0)
+/* Note: isspace() must return false for %NUL-terminator */
+#define isspace(c) ((__ismask(c)&(_S)) != 0)
+#define isupper(c) ((__ismask(c)&(_U)) != 0)
+#define isxdigit(c) ((__ismask(c)&(_D|_X)) != 0)
+
+#define isascii(c) (((unsigned char)(c))<=0x7f)
+#define toascii(c) (((unsigned char)(c))&0x7f)
+
+static inline unsigned char __tolower(unsigned char c)
+{
+ if (isupper(c))
+ c -= 'A'-'a';
+ return c;
+}
+
+static inline unsigned char __toupper(unsigned char c)
+{
+ if (islower(c))
+ c -= 'a'-'A';
+ return c;
+}
+
+#define tolower(c) __tolower(c)
+#define toupper(c) __toupper(c)
+
+/*
+ * Fast implementation of tolower() for internal usage. Do not use in your
+ * code.
+ */
+static inline char _tolower(const char c)
+{
+ return c | 0x20;
+}
#endif
diff --git a/linux/src/lib/ctype.c b/linux/src/lib/ctype.c
index c5be264..26baa62 100644
--- a/linux/src/lib/ctype.c
+++ b/linux/src/lib/ctype.c
@@ -5,32 +5,32 @@
*/
#include <linux/ctype.h>
+#include <linux/module.h>
-char _ctmp;
-unsigned char _ctype[] = {0x00, /* EOF */
-_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 */
-_C,_C,_C,_C,_C,_C,_C,_C, /* 24-31 */
-_S|_SP,_P,_P,_P,_P,_P,_P,_P, /* 32-39 */
-_P,_P,_P,_P,_P,_P,_P,_P, /* 40-47 */
-_D,_D,_D,_D,_D,_D,_D,_D, /* 48-55 */
-_D,_D,_P,_P,_P,_P,_P,_P, /* 56-63 */
-_P,_U|_X,_U|_X,_U|_X,_U|_X,_U|_X,_U|_X,_U, /* 64-71 */
-_U,_U,_U,_U,_U,_U,_U,_U, /* 72-79 */
-_U,_U,_U,_U,_U,_U,_U,_U, /* 80-87 */
-_U,_U,_U,_P,_P,_P,_P,_P, /* 88-95 */
-_P,_L|_X,_L|_X,_L|_X,_L|_X,_L|_X,_L|_X,_L, /* 96-103 */
-_L,_L,_L,_L,_L,_L,_L,_L, /* 104-111 */
-_L,_L,_L,_L,_L,_L,_L,_L, /* 112-119 */
-_L,_L,_L,_P,_P,_P,_P,_C, /* 120-127 */
-0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 128-143 */
-0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 144-159 */
-_S|_SP,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P, /* 160-175 */
-_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P, /* 176-191 */
-_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U, /* 192-207 */
-_U,_U,_U,_U,_U,_U,_U,_P,_U,_U,_U,_U,_U,_U,_U,_L, /* 208-223 */
-_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L, /* 224-239 */
-_L,_L,_L,_L,_L,_L,_L,_P,_L,_L,_L,_L,_L,_L,_L,_L}; /* 240-255 */
-
+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 */
+_C,_C,_C,_C,_C,_C,_C,_C, /* 24-31 */
+_S|_SP,_P,_P,_P,_P,_P,_P,_P, /* 32-39 */
+_P,_P,_P,_P,_P,_P,_P,_P, /* 40-47 */
+_D,_D,_D,_D,_D,_D,_D,_D, /* 48-55 */
+_D,_D,_P,_P,_P,_P,_P,_P, /* 56-63 */
+_P,_U|_X,_U|_X,_U|_X,_U|_X,_U|_X,_U|_X,_U, /* 64-71 */
+_U,_U,_U,_U,_U,_U,_U,_U, /* 72-79 */
+_U,_U,_U,_U,_U,_U,_U,_U, /* 80-87 */
+_U,_U,_U,_P,_P,_P,_P,_P, /* 88-95 */
+_P,_L|_X,_L|_X,_L|_X,_L|_X,_L|_X,_L|_X,_L, /* 96-103 */
+_L,_L,_L,_L,_L,_L,_L,_L, /* 104-111 */
+_L,_L,_L,_L,_L,_L,_L,_L, /* 112-119 */
+_L,_L,_L,_P,_P,_P,_P,_C, /* 120-127 */
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 128-143 */
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 144-159 */
+_S|_SP,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P, /* 160-175 */
+_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P, /* 176-191 */
+_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U, /* 192-207 */
+_U,_U,_U,_U,_U,_U,_U,_P,_U,_U,_U,_U,_U,_U,_U,_L, /* 208-223 */
+_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L, /* 224-239 */
+_L,_L,_L,_L,_L,_L,_L,_P,_L,_L,_L,_L,_L,_L,_L,_L}; /* 240-255 */
+EXPORT_SYMBOL(_ctype);
--
1.7.5.4
- [PATCH gnumach 12/16] Move <linux/init.h> from linux/pcmcia-cs to linux/src, (continued)
- [PATCH gnumach 12/16] Move <linux/init.h> from linux/pcmcia-cs to linux/src, Guillem Jover, 2011/08/29
- [PATCH gnumach 07/16] Add linux_timer_intr function declaration, Guillem Jover, 2011/08/29
- [PATCH gnumach 04/16] Cast host_get_time() arguments to fix warnings, Guillem Jover, 2011/08/29
- [PATCH gnumach 16/16] Fix undefined operation on assigning self pre-incremented variable, Guillem Jover, 2011/08/29
- [PATCH gnumach 06/16] Add missing headers, Guillem Jover, 2011/08/29
- [PATCH gnumach 10/16] Import Linux 3.1 ctype code,
Guillem Jover <=
- [PATCH gnumach 09/16] Remove unused and non-functional string specialization header, Guillem Jover, 2011/08/29
- [PATCH gnumach 15/16] Honour type promotion on variable argument handling, Guillem Jover, 2011/08/29
- [PATCH gnumach 11/16] Import Linux 3.1 compiler definitions, Guillem Jover, 2011/08/29
- Re: [PATCH gnumach 00/16] Another round of warning fixes, Samuel Thibault, 2011/08/30