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/*-
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Chris Torek.
*
* Copyright (c) 2011 The FreeBSD Foundation
* All rights reserved.
* Portions of this software were developed by David Chisnall
* under sponsorship from the FreeBSD Foundation.
*
* 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.
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*
* @(#)local.h 8.3 (Berkeley) 7/3/94
* $FreeBSD$
*/
#include <sys/types.h> /* for off_t */
#include <pthread.h>
#include <string.h>
#include <wchar.h>
#include <locale.h>
/*
* Information local to this implementation of stdio,
* in particular, macros and private variables.
*/
extern int _sread(FILE *, char *, int);
extern int _swrite(FILE *, char const *, int);
extern fpos_t _sseek(FILE *, fpos_t, int);
extern int _ftello(FILE *, fpos_t *);
extern int _fseeko(FILE *, off_t, int, int);
extern int __fflush(FILE *fp);
extern void __fcloseall(void);
extern wint_t __fgetwc_mbs(FILE *, mbstate_t *, int *, locale_t);
#ifndef __rtems__
extern wint_t __fputwc(wchar_t, FILE *, locale_t);
#endif /* __rtems__ */
extern int __sflush(FILE *);
extern FILE *__sfp(void);
extern int __slbexpand(FILE *, size_t);
#ifndef __rtems__
extern int __srefill(FILE *);
#else
/*
* __srefill is used by fgetln(). The method is in newlib but the
* prototype is in a private .h which is not installed.
* allows it to be pulled from newlib.
*/
extern int __srefill_r(struct _reent *,FILE *);
#define __srefill(_x) __srefill_r(__getreent(), _x)
#endif
extern int __sread(void *, char *, int);
extern int __swrite(void *, char const *, int);
extern fpos_t __sseek(void *, fpos_t, int);
extern int __sclose(void *);
extern void __sinit(void);
extern void _cleanup(void);
extern void __smakebuf(FILE *);
extern int __swhatbuf(FILE *, size_t *, int *);
extern int _fwalk(int (*)(FILE *));
#ifndef __rtems__
extern int __svfscanf(FILE *, locale_t, const char *, __va_list);
#endif /* __rtems__ */
extern int __swsetup(FILE *);
extern int __sflags(const char *, int *);
extern int __ungetc(int, FILE *);
#ifndef __rtems__
extern wint_t __ungetwc(wint_t, FILE *, locale_t);
extern int __vfprintf(FILE *, locale_t, const char *, __va_list);
#endif /* __rtems__ */
extern int __vfscanf(FILE *, const char *, __va_list);
#ifndef __rtems__
extern int __vfwprintf(FILE *, locale_t, const wchar_t *, __va_list);
extern int __vfwscanf(FILE * __restrict, locale_t, const wchar_t * __restrict,
__va_list);
#endif /* __rtems__ */
extern size_t __fread(void * __restrict buf, size_t size, size_t count,
FILE * __restrict fp);
extern int __sdidinit;
static inline wint_t
__fgetwc(FILE *fp, locale_t locale)
{
int nread;
return (__fgetwc_mbs(fp, &fp->_mbstate, &nread, locale));
}
/*
* Prepare the given FILE for writing, and return 0 iff it
* can be written now. Otherwise, return EOF and set errno.
*/
#define prepwrite(fp) \
((((fp)->_flags & __SWR) == 0 || \
((fp)->_bf._base == NULL && ((fp)->_flags & __SSTR) == 0)) && \
__swsetup(fp))
/*
* Test whether the given stdio file has an active ungetc buffer;
* release such a buffer, without restoring ordinary unread data.
*/
#define HASUB(fp) ((fp)->_ub._base != NULL)
#define FREEUB(fp) { \
if ((fp)->_ub._base != (fp)->_ubuf) \
free((char *)(fp)->_ub._base); \
(fp)->_ub._base = NULL; \
}
/*
* test for an fgetln() buffer.
*/
#define HASLB(fp) ((fp)->_lb._base != NULL)
#define FREELB(fp) { \
free((char *)(fp)->_lb._base); \
(fp)->_lb._base = NULL; \
}
/*
* Structure initializations for 'fake' FILE objects.
*/
#define FAKE_FILE { \
._file = -1, \
._fl_mutex = PTHREAD_MUTEX_INITIALIZER, \
}
/*
* Set the orientation for a stream. If o > 0, the stream has wide-
* orientation. If o < 0, the stream has byte-orientation.
*/
#ifdef __rtems__
#define ORIENT(fp, o)
#else
#define ORIENT(fp, o) do { \
if ((fp)->_orientation == 0) \
(fp)->_orientation = (o); \
} while (0)
#endif
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