357 lines
14 KiB
C
357 lines
14 KiB
C
/****************************************************************************
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* include/wchar.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __INCLUDE_WCHAR_H
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#define __INCLUDE_WCHAR_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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/* "Inclusion of the <wchar.h> header may make visible all symbols from the
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* headers <ctype.h>, <stdio.h>, <stdarg.h>, <stdlib.h>, <string.h>,
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* <stddef.h> and <time.h>."
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*
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* Reference: Opengroup.org
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*/
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#include <stdio.h>
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#include <stddef.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* <wchar.h> defines the following macro names:
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*
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* WCHAR_MAX
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* The maximum value representable by an object of type wchar_t.
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*
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* WCHAR_MIN
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* The minimum value representable by an object of type wchar_t.
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*
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* WEOF
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* Constant expression of type wint_t that is returned by several WP
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* functions to indicate end-of-file.
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*
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* NULL
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* As described in <stddef.h>.
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*
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* Reference: Opengroup.org
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*/
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#define WEOF ((wint_t)-1)
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#define wcsftime_l(s, m, f, t, l) wcsftime(s, m, f, t)
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#define wcscasecmp_l(s1, s2, l) wcscasecmp(s1, s2)
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#define wcsncasecmp_l(s1, s2, n, l) wcsncasecmp(s1, s2, n)
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#define wcscoll_l(s1, s2, l) wcscoll(s1, s2)
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#define wcstold_l(s, e, l) wcstold(s, e)
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#define wcstoull_l(s, e, l) wcstoull(s, e)
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#define wcsxfrm_l(s1, s2, n, l) wcsxfrm(s1, s2, n)
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/****************************************************************************
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* Type Definitions
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****************************************************************************/
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/* "The <wchar.h> header defines the following data types:
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*
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* wchar_t
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* Provided via <stddef.h>.
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*
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* wint_t
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* An integral type capable of storing any valid value of wchar_t, or WEOF.
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* Provided via <sys/type.h>
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*
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* wctype_t
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* A scalar type of a data object that can hold values which represent
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* locale-specific character classification. Provided via <sys/type.h>
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*
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* mbstate_t
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* An object type other than an array type that can hold the conversion
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* state information necessary to convert between sequences of (possibly
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* multibyte) characters and wide-characters. If a codeset is being used
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* such that an mbstate_t needs to preserve more than 2 levels of reserved
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* state, the results are unspecified.
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*/
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struct mbstate_s
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{
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int __fill[6];
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};
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typedef struct mbstate_s mbstate_t;
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/* FILE
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* As described in <stdio.h>.
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*
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* size_t
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* As described in <stddef.h>."
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*
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* Reference: Opengroup.org
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*/
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/* "The tag tm is declared as naming an incomplete structure type, the
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* contents of which are described in the header <time.h>."
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*
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* Reference: Opengroup.org
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*/
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struct tm; /* Forward reference (see <time.h>) */
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/* "The <wchar.h> header declares the following as functions and may also
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* define them as macros. Function prototypes must be provided for use with
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* an ISO C compiler."
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*
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* Reference: Opengroup.org
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*/
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wint_t btowc(int);
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int fwprintf(FILE *, FAR const wchar_t *, ...);
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int fwscanf(FILE *, FAR const wchar_t *, ...);
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wint_t fgetwc(FILE *);
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FAR wchar_t *fgetws(wchar_t *, int, FILE *);
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wint_t fputwc(wchar_t, FILE *);
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wint_t fputwc_unlocked(wchar_t, FAR FILE *);
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int fputws(FAR const wchar_t *, FILE *);
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int fputws_unlocked(FAR const wchar_t *, FAR FILE *);
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int fwide(FILE *, int);
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wint_t getwc(FILE *);
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wint_t getwchar(void);
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int mbsinit(FAR const mbstate_t *);
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size_t mbrlen(FAR const char *, size_t, FAR mbstate_t *);
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size_t mbrtowc(FAR wchar_t *, FAR const char *, size_t,
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FAR mbstate_t *);
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size_t mbsnrtowcs(FAR wchar_t *, FAR const char **, size_t,
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size_t, FAR mbstate_t *);
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size_t mbsrtowcs(FAR wchar_t *, FAR const char **, size_t,
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FAR mbstate_t *);
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wint_t putwc(wchar_t, FILE *);
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wint_t putwc_unlocked(wchar_t, FAR FILE *);
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wint_t putwchar(wchar_t);
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int swprintf(FAR wchar_t *, size_t, FAR const wchar_t *, ...);
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int swscanf(FAR const wchar_t *, FAR const wchar_t *, ...);
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wint_t ungetwc(wint_t, FILE *);
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int vfwprintf(FILE *, FAR const wchar_t *, va_list);
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int vfwscanf(FILE *, FAR const wchar_t *, va_list);
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int vwprintf(FAR const wchar_t *, va_list);
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int vwscanf(FAR const wchar_t *, va_list);
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int vswprintf(FAR wchar_t *, size_t, FAR const wchar_t *,
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va_list);
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int vswscanf(FAR const wchar_t *, FAR const wchar_t *,
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va_list);
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size_t wcrtomb(FAR char *, wchar_t, FAR mbstate_t *);
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FAR wchar_t *wcscat(FAR wchar_t *, FAR const wchar_t *);
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FAR wchar_t *wcschr(FAR const wchar_t *, wchar_t);
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int wcscmp(FAR const wchar_t *, FAR const wchar_t *);
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int wcscoll(FAR const wchar_t *, FAR const wchar_t *);
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FAR wchar_t *wcscpy(FAR wchar_t *, FAR const wchar_t *);
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size_t wcscspn(FAR const wchar_t *, FAR const wchar_t *);
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size_t wcsftime(FAR wchar_t *, size_t, FAR const wchar_t *,
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FAR const struct tm *);
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size_t wcslen(FAR const wchar_t *);
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size_t wcslcpy(FAR wchar_t *, FAR const wchar_t *, size_t);
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size_t wcslcat(FAR wchar_t *, FAR const wchar_t *, size_t);
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FAR wchar_t *wcsncat(FAR wchar_t *, FAR const wchar_t *, size_t);
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int wcsncmp(FAR const wchar_t *, FAR const wchar_t *, size_t);
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FAR wchar_t *wcsncpy(FAR wchar_t *, FAR const wchar_t *, size_t);
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size_t wcsnrtombs(FAR char *, FAR const wchar_t **, size_t,
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size_t, FAR mbstate_t *);
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FAR wchar_t *wcspbrk(FAR const wchar_t *, FAR const wchar_t *);
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FAR wchar_t *wcsrchr(FAR const wchar_t *, wchar_t);
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size_t wcsrtombs(FAR char *, FAR const wchar_t **, size_t,
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FAR mbstate_t *);
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size_t wcsspn(FAR const wchar_t *, FAR const wchar_t *);
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FAR wchar_t *wcsstr(FAR const wchar_t *, FAR const wchar_t *);
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#ifdef CONFIG_HAVE_DOUBLE
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double wcstod(FAR const wchar_t *, FAR wchar_t **);
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#endif
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float wcstof(FAR const wchar_t *, FAR wchar_t **);
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FAR wchar_t *wcstok(FAR wchar_t *, FAR const wchar_t *, FAR wchar_t **);
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long int wcstol(FAR const wchar_t *, FAR wchar_t **, int);
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#ifdef CONFIG_HAVE_LONG_DOUBLE
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long double wcstold(FAR const wchar_t *, FAR wchar_t **);
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#endif
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long long int wcstoll(FAR const wchar_t *, FAR wchar_t **, int);
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unsigned long int wcstoul(FAR const wchar_t *, FAR wchar_t **, int);
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unsigned long long int wcstoull(FAR const wchar_t *, FAR wchar_t **, int);
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FAR wchar_t *wcswcs(FAR const wchar_t *, FAR const wchar_t *);
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int wcswidth(FAR const wchar_t *, size_t);
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size_t wcsxfrm(FAR wchar_t *, FAR const wchar_t *, size_t);
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int wctob(wint_t);
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int wcwidth(wchar_t);
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FAR wchar_t *wmemchr(FAR const wchar_t *, wchar_t, size_t);
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int wmemcmp(FAR const wchar_t *, FAR const wchar_t *, size_t);
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FAR wchar_t *wmemcpy(FAR wchar_t *, FAR const wchar_t *, size_t);
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FAR wchar_t *wmemmove(FAR wchar_t *, FAR const wchar_t *, size_t);
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FAR wchar_t *wmemset(FAR wchar_t *, wchar_t, size_t);
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int wprintf(FAR const wchar_t *, ...);
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int wscanf(FAR const wchar_t *, ...);
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#if CONFIG_FORTIFY_SOURCE > 0
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fortify_function(fgetws) FAR wchar_t *fgetws(FAR wchar_t *s, int n,
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FAR FILE *stream)
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{
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fortify_assert((size_t)n <= fortify_size(s, 0) / sizeof(wchar_t));
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return __real_fgetws(s, n, stream);
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}
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fortify_function(mbsnrtowcs) size_t mbsnrtowcs(FAR wchar_t *dst,
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FAR const char **src,
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size_t nms,
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size_t len,
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FAR mbstate_t *ps)
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{
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fortify_assert(len <= fortify_size(dst, 0) / sizeof(wchar_t));
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return __real_mbsnrtowcs(dst, src, nms, len, ps);
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}
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fortify_function(mbsrtowcs) size_t mbsrtowcs(FAR wchar_t *dst,
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FAR const char **src,
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size_t len,
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FAR mbstate_t *ps)
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{
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fortify_assert(len <= fortify_size(dst, 0) / sizeof(wchar_t));
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return __real_mbsrtowcs(dst, src, len, ps);
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}
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fortify_function(wcrtomb) size_t wcrtomb(FAR char *s, wchar_t wc,
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FAR mbstate_t *ps)
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{
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size_t ret = __real_wcrtomb(s, wc, ps);
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fortify_assert(s == NULL || ret <= fortify_size(s, 0));
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return ret;
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}
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fortify_function(wcscpy) FAR wchar_t *wcscpy(FAR wchar_t *dst,
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FAR const wchar_t *src)
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{
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fortify_assert(wcslen(src) + 1 <= fortify_size(dst, 0) / sizeof(wchar_t));
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return __real_wcscpy(dst, src);
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}
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fortify_function(wcslcpy) size_t wcslcpy(FAR wchar_t *dst,
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FAR const wchar_t *src,
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size_t siz)
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{
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fortify_assert(siz <= fortify_size(dst, 0) / sizeof(wchar_t));
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return __real_wcslcpy(dst, src, siz);
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}
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fortify_function(wcscat) FAR wchar_t *wcscat(FAR wchar_t *dst,
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FAR const wchar_t *src)
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{
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fortify_assert(wcslen(dst) + wcslen(src) + 1 <=
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fortify_size(dst, 0) / sizeof(wchar_t));
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return __real_wcscat(dst, src);
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}
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fortify_function(wcsncat) FAR wchar_t *wcsncat(FAR wchar_t *dst,
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FAR const wchar_t *src,
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size_t siz)
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{
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fortify_assert(siz <= fortify_size(dst, 0) / sizeof(wchar_t));
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return __real_wcsncat(dst, src, siz);
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}
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fortify_function(wcslcat) size_t wcslcat(FAR wchar_t *dst,
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FAR const wchar_t *src,
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size_t siz)
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{
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fortify_assert(siz <= fortify_size(dst, 0) / sizeof(wchar_t));
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return __real_wcslcat(dst, src, siz);
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}
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fortify_function(wcsncpy) FAR wchar_t *wcsncpy(FAR wchar_t *dst,
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FAR const wchar_t *src,
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size_t siz)
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{
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fortify_assert(siz <= fortify_size(dst, 0) / sizeof(wchar_t));
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return __real_wcsncpy(dst, src, siz);
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}
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fortify_function(wcsnrtombs) size_t wcsnrtombs(FAR char *dst,
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FAR const wchar_t **src,
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size_t nwc, size_t len,
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FAR mbstate_t *ps)
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{
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fortify_assert(len <= fortify_size(dst, 0));
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return __real_wcsnrtombs(dst, src, nwc, len, ps);
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}
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fortify_function(wcsrtombs) size_t wcsrtombs(FAR char *dst,
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FAR const wchar_t **src,
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size_t len,
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FAR mbstate_t *ps)
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{
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fortify_assert(len <= fortify_size(dst, 0));
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return __real_wcsrtombs(dst, src, len, ps);
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}
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fortify_function(wmemcpy) FAR wchar_t *wmemcpy(FAR wchar_t *d,
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FAR const wchar_t *s,
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size_t n)
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{
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fortify_assert(n <= fortify_size(d, 0) / sizeof(wchar_t));
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return __real_wmemcpy(d, s, n);
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}
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fortify_function(wmemmove) FAR wchar_t *wmemmove(FAR wchar_t *d,
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FAR const wchar_t *s,
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size_t n)
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{
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fortify_assert(n <= fortify_size(d, 0) / sizeof(wchar_t));
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return __real_wmemmove(d, s, n);
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}
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fortify_function(wmemset) FAR wchar_t *wmemset(FAR wchar_t *s,
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wchar_t c,
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size_t n)
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{
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fortify_assert(n <= fortify_size(s, 0) / sizeof(wchar_t));
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return __real_wmemset(s, c, n);
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}
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#endif
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __INCLUDE_WCHAR_H */
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