From 13fde991bd7a76c6d5936fecade665632116a0d7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Axel=20D=C3=B6rfler?= <axeld@pinc-software.de>
Date: Tue, 6 Jul 2004 00:29:52 +0000
Subject: [PATCH] Added BeOS compatible ctype.h.

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8331 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 headers/posix/ctype.h | 47 +++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 45 insertions(+), 2 deletions(-)

diff --git a/headers/posix/ctype.h b/headers/posix/ctype.h
index 0d12f1a3d7..3407151b81 100644
--- a/headers/posix/ctype.h
+++ b/headers/posix/ctype.h
@@ -1,5 +1,8 @@
 #ifndef _CTYPE_H
 #define _CTYPE_H
+/* 
+** Distributed under the terms of the OpenBeOS License.
+*/
 
 #ifdef __cplusplus
 extern "C" {
@@ -22,8 +25,48 @@ int toascii(int);
 int tolower(int);
 int toupper(int);
 
-#define _toupper(ch) ((int) (((int)ch) - 'a' + 'A'))
-#define _tolower(ch) ((int) (((int)ch) - 'A' + 'a'))
+enum {
+	_ISblank = 0x0001,		/* blank */
+	_IScntrl = 0x0002,		/* control */
+	_ISpunct = 0x0004,		/* punctuation */
+	_ISalnum = 0x0008,		/* alpha-numeric */
+	_ISupper = 0x0100,		/* uppercase */
+	_ISlower = 0x0200,		/* lowercase */
+	_ISalpha = 0x0400,		/* alphabetic */
+	_ISdigit = 0x0800,		/* digit */
+	_ISxdigit = 0x1000,		/* hexadecimal digit */
+	_ISspace = 0x2000,		/* white space */
+	_ISprint = 0x4000,		/* printing */
+	_ISgraph = 0x8000,		/* graphical */
+};
+
+/* Characteristics */
+extern const unsigned short int *__ctype_b;
+/* Case conversions */
+extern const int *__ctype_tolower;
+extern const int *__ctype_toupper;
+
+#define __isctype(c, type) \
+	(__ctype_b[(int)(c)] & (unsigned short int)type)
+
+#define isascii(c) (((c) & ~0x7f) == 0)	/* ASCII characters have bit 8 cleared */
+#define toascii(c) ((c) & 0x7f)			/* Clear higher bits */
+
+#define tolower(c) ((int)__ctype_tolower[(int)(c)])
+#define toupper(c) ((int)__ctype_toupper[(int)(c)])
+
+#define isalnum(c)	__isctype((c), _ISalnum)
+#define isalpha(c)	__isctype((c), _ISalpha)
+#define isblank(c)	__isctype((c), _ISblank)
+#define iscntrl(c)	__isctype((c), _IScntrl)
+#define isdigit(c)	__isctype((c), _ISdigit)
+#define islower(c)	__isctype((c), _ISlower)
+#define isgraph(c)	__isctype((c), _ISgraph)
+#define isprint(c)	__isctype((c), _ISprint)
+#define ispunct(c)	__isctype((c), _ISpunct)
+#define isspace(c)	__isctype((c), _ISspace)
+#define isupper(c)	__isctype((c), _ISupper)
+#define isxdigit(c)	__isctype((c), _ISxdigit)
 
 #ifdef __cplusplus
 }