C library: Add wctype.h; Move lib_wctype.c to libc/wctype

include/wctype.h

@@ -0,0 +1,115 @@
+/****************************************************************************
+ * include/wctype.h
+ *
+ *   Copyright (C) 2016 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#ifndef __INCLUDE_WTYPE_H
+#define __INCLUDE_WTYPE_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <sys/types.h>
+#include <stddef.h>
+#include <wchar.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#ifndef WEOF
+#  define WEOF ((wint_t)-1)
+#endif
+
+/* valid values for wctype_t */
+
+#define WC_ALNUM        1
+#define WC_ALPHA        2
+#define WC_BLANK        3
+#define WC_CNTRL        4
+#define WC_DIGIT        5
+#define WC_GRAPH        6
+#define WC_LOWER        7
+#define WC_PRINT        8
+#define WC_PUNCT        9
+#define WC_SPACE        10
+#define WC_UPPER        11
+#define WC_XDIGIT       12
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+#ifndef _WCTYPE_T
+#  define _WCTYPE_T
+typedef int wctype_t;
+#endif
+
+#ifndef _WCTRANS_T
+#  define _WCTRANS_T
+typedef int wctrans_t;
+#endif
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+/* "The <wchar.h> header declares the following as functions and may also
+ *  define them as macros. Function prototypes must be provided for use with
+ *  an ISO C compiler."
+ *
+ * Reference: Opengroup.org
+ */
+
+int               iswalnum(wint_t);
+int               iswalpha(wint_t);
+int               iswblank(wint_t);
+int               iswcntrl(wint_t);
+int               iswctype(wint_t, wctype_t);
+int               iswdigit(wint_t);
+int               iswgraph(wint_t);
+int               iswlower(wint_t);
+int               iswprint(wint_t);
+int               iswpunct(wint_t);
+int               iswspace(wint_t);
+int               iswupper(wint_t);
+int               iswxdigit(wint_t);
+int               towctrans(wint_t, wctrans_t);
+wint_t            towlower(wint_t);
+wint_t            towupper(wint_t);
+wctrans_t         wctrans(FAR const char *);
+int               iswctype(wint_t, wctype_t);
+wctype_t          wctype(FAR const char *);
+
+#endif /* INCLUDE_WTYPE_H */

libc/Makefile

@@ -88,6 +88,7 @@ include time/Make.defs
 include tls/Make.defs
 include unistd/Make.defs
 include wchar/Make.defs
+include wctype/Make.defs
 include wqueue/Make.defs
 
 # REVISIT: Backslash causes problems in $(COBJS) target

libc/README.txt

@@ -45,6 +45,7 @@ we have:
   time      - time.h
   unistd    - unistd.h
   wchar     - wchar.h
+  wctype    - wctype.h
 
 Most of these are "standard" header files; some are not: hex2bin.h and
 fixemath.h are non-standard.

libc/wctype/Make.defs

@@ -0,0 +1,48 @@
+############################################################################
+# libc/wctype/Make.defs
+#
+#   Copyright (C) 2016 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+ifeq ($(CONFIG_LIBC_WCHAR),y)
+
+# Add the internal C files to the build
+
+CSRCS += lib_wctype.c
+
+# Add the wctype directory to the build
+
+DEPPATH += --dep-path wctype
+VPATH += :wctype
+
+endif
+

libc/wctype/lib_wctype.c

@@ -1,5 +1,5 @@
 /****************************************************************************
- * libc/wchar/wctype.c
+ * libc/wctype/wctype.c
  *
  *    Copyright (c) 2002 Red Hat Incorporated.
  *    All rights reserved.