Add include/wchar.h

1 files changed, 228 insertions, 0 deletions

diff --git a/nuttx/include/wchar.h b/nuttx/include/wchar.h
new file mode 100644
index 000000000..54fa79661
--- /dev/null
+++ b/nuttx/include/wchar.h
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+/****************************************************************************
+ * include/wchar.h
+ *
+ *   Copyright (C) 2014 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_WCHAR_H
+#define __INCLUDE_WCHAR_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+/* "Inclusion of the <wchar.h> header may make visible all symbols from the
+ *  headers <ctype.h>, <stdio.h>, <stdarg.h>, <stdlib.h>, <string.h>,
+ *  <stddef.h> and <time.h>."
+ *
+ * Reference: Opengroup.org
+ */
+
+#include <stdio.h>
+#include <stddef.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+/* <wchar.h> defines the following macro names: 
+ *
+ * WCHAR_MAX
+ *   The maximum value representable by an object of type wchar_t.
+ *
+ * WCHAR_MIN
+ *   The minimum value representable by an object of type wchar_t.
+ *
+ * WEOF
+ *   Constant expression of type wint_t that is returned by several WP
+ *   functions to indicate end-of-file.
+ *
+ * NULL
+ *   As described in <stddef.h>. 
+ *
+ * Reference: Opengroup.org
+ */
+
+#define WCHAR_MAX 0xffff
+#define WCHAR_MIN 0x0000
+#define WEOF      ((wint_t)-1)
+
+#ifndef NULL
+#  define NULL ((FAR void *)0)
+#endif
+
+/****************************************************************************
+ * Type Definitions
+ ****************************************************************************/
+/* "The <wchar.h> header defines the following data types through
+ *
+ * wchar_t
+ *   As described in <stddef.h>.
+ *
+ * wint_t
+ *   An integral type capable of storing any valid value of wchar_t, or WEOF.
+ *
+ * wctype_t
+ *   A scalar type of a data object that can hold values which represent
+ *   locale-specific character classification.
+ *
+ * mbstate_t
+ *   An object type other than an array type that can hold the conversion
+ *   state information necessary to convert between sequences of (possibly
+ *   multibyte) characters and wide-characters. If a codeset is being used
+ *   such that an mbstate_t needs to preserve more than 2 levels of reserved
+ *   state, the results are unspecified.
+ *
+ * FILE
+ *   As described in <stdio.h>.
+ *
+ * size_t
+ *   As described in <stddef.h>."
+ *
+ * Reference: Opengroup.org
+ */
+
+typedef int wint_t;
+
+/* "The tag tm is declared as naming an incomplete structure type, the
+ *  contents of which are described in the header <time.h>."
+ *
+ * Reference: Opengroup.org
+ */
+
+struct tm; /* Forward reference (see <time.h>) */
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C"
+{
+#else
+#define EXTERN extern
+#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
+ */
+
+#if 0 /* Not yet implemented */
+wint_t            btowc(int);
+int               fwprintf(FILE *, const wchar_t *, ...);
+int               fwscanf(FILE *, const wchar_t *, ...);
+int               iswalnum(wint_t);
+int               iswalpha(wint_t);
+int               iswcntrl(wint_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               iswctype(wint_t, wctype_t);
+wint_t            fgetwc(FILE *);
+wchar_t          *fgetws(wchar_t *, int, FILE *);
+wint_t            fputwc(wchar_t, FILE *);
+int               fputws(const wchar_t *, FILE *);
+int               fwide(FILE *, int);
+wint_t            getwc(FILE *);
+wint_t            getwchar(void);
+int               mbsinit(const mbstate_t *);
+size_t            mbrlen(const char *, size_t, mbstate_t *);
+size_t            mbrtowc(wchar_t *, const char *, size_t,
+                      mbstate_t *);
+size_t            mbsrtowcs(wchar_t *, const char **, size_t,
+                      mbstate_t *);
+wint_t            putwc(wchar_t, FILE *);
+wint_t            putwchar(wchar_t);
+int               swprintf(wchar_t *, size_t, const wchar_t *, ...);
+int               swscanf(const wchar_t *, const wchar_t *, ...);
+wint_t            towlower(wint_t);
+wint_t            towupper(wint_t);
+wint_t            ungetwc(wint_t, FILE *);
+int               vfwprintf(FILE *, const wchar_t *, va_list);
+int               vwprintf(const wchar_t *, va_list);
+int               vswprintf(wchar_t *, size_t, const wchar_t *,
+                      va_list);
+size_t            wcrtomb(char *, wchar_t, mbstate_t *);
+wchar_t          *wcscat(wchar_t *, const wchar_t *);
+wchar_t          *wcschr(const wchar_t *, wchar_t);
+int               wcscmp(const wchar_t *, const wchar_t *);
+int               wcscoll(const wchar_t *, const wchar_t *);
+wchar_t          *wcscpy(wchar_t *, const wchar_t *);
+size_t            wcscspn(const wchar_t *, const wchar_t *);
+size_t            wcsftime(wchar_t *, size_t, const wchar_t *,
+                      const struct tm *);
+size_t            wcslen(const wchar_t *);
+wchar_t          *wcsncat(wchar_t *, const wchar_t *, size_t);
+int               wcsncmp(const wchar_t *, const wchar_t *, size_t);
+wchar_t          *wcsncpy(wchar_t *, const wchar_t *, size_t);
+wchar_t          *wcspbrk(const wchar_t *, const wchar_t *);
+wchar_t          *wcsrchr(const wchar_t *, wchar_t);
+size_t            wcsrtombs(char *, const wchar_t **, size_t,
+                      mbstate_t *);
+size_t            wcsspn(const wchar_t *, const wchar_t *);
+wchar_t          *wcsstr(const wchar_t *, const wchar_t *);
+double            wcstod(const wchar_t *, wchar_t **);
+wchar_t          *wcstok(wchar_t *, const wchar_t *, wchar_t **);
+long int          wcstol(const wchar_t *, wchar_t **, int);
+unsigned long int wcstoul(const wchar_t *, wchar_t **, int);
+wchar_t          *wcswcs(const wchar_t *, const wchar_t *);
+int               wcswidth(const wchar_t *, size_t);
+size_t            wcsxfrm(wchar_t *, const wchar_t *, size_t);
+int               wctob(wint_t);
+wctype_t          wctype(const char *);
+int               wcwidth(wchar_t);
+wchar_t          *wmemchr(const wchar_t *, wchar_t, size_t);
+int               wmemcmp(const wchar_t *, const wchar_t *, size_t);
+wchar_t          *wmemcpy(wchar_t *, const wchar_t *, size_t);
+wchar_t          *wmemmove(wchar_t *, const wchar_t *, size_t);
+wchar_t          *wmemset(wchar_t *, wchar_t, size_t);
+int               wprintf(const wchar_t *, ...);
+int               wscanf(const wchar_t *, ...);
+#endif
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __INCLUDE_WCHAR_H */