Initial commit of Open Source release

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

7 files changed, 156 insertions, 0 deletions

diff --git a/libc/ctype/Makefile.inc b/libc/ctype/Makefile.inc
new file mode 100644
index 0000000..da78c98
--- /dev/null
+++ b/libc/ctype/Makefile.inc
@@ -0,0 +1,19 @@
+# *****************************************************************************
+# * Copyright (c) 2004, 2008 IBM Corporation
+# * All rights reserved.
+# * This program and the accompanying materials
+# * are made available under the terms of the BSD License
+# * which accompanies this distribution, and is available at
+# * http://www.opensource.org/licenses/bsd-license.php
+# *
+# * Contributors:
+# *     IBM Corporation - initial implementation
+# ****************************************************************************/
+
+SUBDIRS += $(LIBCDIR)/ctype
+
+CTYPE_OBJS = isdigit.o isprint.o isspace.o isxdigit.o tolower.o toupper.o
+
+CTYPE = $(LIBCDIR)/ctype/built-in.o
+$(CTYPE): $(CTYPE_OBJS:%=$(LIBCDIR)/ctype/%)
+
diff --git a/libc/ctype/isdigit.c b/libc/ctype/isdigit.c
new file mode 100644
index 0000000..68cd4eb
--- /dev/null
+++ b/libc/ctype/isdigit.c
@@ -0,0 +1,26 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#include <compiler.h>
+#include <ctype.h>
+
+int __attrconst isdigit(int ch)
+{
+	switch (ch) {
+	 case '0': case '1': case '2': case '3': case '4':
+	 case '5': case '6': case '7': case '8': case '9':
+		return 1;
+	
+	 default:
+		return 0;
+	}
+}
diff --git a/libc/ctype/isprint.c b/libc/ctype/isprint.c
new file mode 100644
index 0000000..0a7c94c
--- /dev/null
+++ b/libc/ctype/isprint.c
@@ -0,0 +1,19 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#include <compiler.h>
+#include <ctype.h>
+
+int __attrconst isprint(int ch)
+{
+	return (ch >= 32 && ch < 127);
+}
diff --git a/libc/ctype/isspace.c b/libc/ctype/isspace.c
new file mode 100644
index 0000000..f9fa36a
--- /dev/null
+++ b/libc/ctype/isspace.c
@@ -0,0 +1,30 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#include <compiler.h>
+#include <ctype.h>
+
+int __attrconst isspace(int ch)
+{
+	switch (ch) {
+	 case ' ':
+	 case '\f':
+	 case '\n':
+	 case '\r':
+	 case '\t':
+	 case '\v':
+		return 1;
+	
+	 default:
+		return 0;
+	}
+}
diff --git a/libc/ctype/isxdigit.c b/libc/ctype/isxdigit.c
new file mode 100644
index 0000000..d3c7388
--- /dev/null
+++ b/libc/ctype/isxdigit.c
@@ -0,0 +1,22 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#include <compiler.h>
+#include <ctype.h>
+
+int __attrconst isxdigit(int ch)
+{
+  return ( 
+      (ch >= '0' && ch <= '9') |
+      (ch >= 'A' && ch <= 'F') |
+      (ch >= 'a' && ch <= 'f') );
+}
diff --git a/libc/ctype/tolower.c b/libc/ctype/tolower.c
new file mode 100644
index 0000000..398a1eb
--- /dev/null
+++ b/libc/ctype/tolower.c
@@ -0,0 +1,19 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#include <compiler.h>
+#include <ctype.h>
+
+int __attrconst tolower(int c) 
+{
+	return (((c >= 'A') && (c <= 'Z')) ? (c - 'A' + 'a' ) : c);
+}
diff --git a/libc/ctype/toupper.c b/libc/ctype/toupper.c
new file mode 100644
index 0000000..6b52363
--- /dev/null
+++ b/libc/ctype/toupper.c
@@ -0,0 +1,21 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#include <compiler.h>
+#include "ctype.h"
+
+int __attrconst toupper (int cha)
+{
+	if((cha >= 'a') && (cha <= 'z'))
+		return(cha - 'a' + 'A');
+	return(cha);
+}