0549371bd7
This gets us various bug fixes and missing C99 functionality. Bug: https://code.google.com/p/android/issues/detail?id=64886 Change-Id: Ie9f8ac569e9b5eec1e4a1faacfe2c21662eaf895
117 lines
3.8 KiB
C
117 lines
3.8 KiB
C
/* $OpenBSD: local.h,v 1.12 2005/10/10 17:37:44 espie Exp $ */
|
|
|
|
/*-
|
|
* 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.
|
|
*
|
|
* 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 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.
|
|
*/
|
|
|
|
#include "wcio.h"
|
|
#include "fileext.h"
|
|
|
|
|
|
/*
|
|
* Information local to this implementation of stdio,
|
|
* in particular, macros and private variables.
|
|
*/
|
|
|
|
int __sflush(FILE *);
|
|
int __sflush_locked(FILE *);
|
|
FILE *__sfp(void);
|
|
int __srefill(FILE *);
|
|
int __sread(void *, char *, int);
|
|
int __swrite(void *, const char *, int);
|
|
fpos_t __sseek(void *, fpos_t, int);
|
|
int __sclose(void *);
|
|
void __sinit(void);
|
|
void _cleanup(void);
|
|
void __smakebuf(FILE *);
|
|
int __swhatbuf(FILE *, size_t *, int *);
|
|
int _fwalk(int (*)(FILE *));
|
|
int __swsetup(FILE *);
|
|
int __sflags(const char *, int *);
|
|
int __vfprintf(FILE *, const char *, __va_list);
|
|
|
|
/*
|
|
* Function to clean up streams, called from abort() and exit().
|
|
*/
|
|
extern void (*__cleanup)(void);
|
|
extern int __sdidinit;
|
|
|
|
/*
|
|
* Return true if the given FILE cannot be written now.
|
|
*/
|
|
#define cantwrite(fp) \
|
|
((((fp)->_flags & __SWR) == 0 || (fp)->_bf._base == NULL) && \
|
|
__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) (_UB(fp)._base != NULL)
|
|
#define FREEUB(fp) { \
|
|
if (_UB(fp)._base != (fp)->_ubuf) \
|
|
free(_UB(fp)._base); \
|
|
_UB(fp)._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; \
|
|
}
|
|
|
|
#define FLOCKFILE(fp) flockfile(fp)
|
|
#define FUNLOCKFILE(fp) funlockfile(fp)
|
|
|
|
#define FLOATING_POINT
|
|
#define PRINTF_WIDE_CHAR
|
|
#define SCANF_WIDE_CHAR
|
|
|
|
/* OpenBSD exposes these in <stdio.h>, but we only want them exposed to the implementation. */
|
|
__BEGIN_DECLS
|
|
int __srget(FILE*);
|
|
int __swbuf(int, FILE*);
|
|
__END_DECLS
|
|
#define __sfeof(p) (((p)->_flags & __SEOF) != 0)
|
|
#define __sferror(p) (((p)->_flags & __SERR) != 0)
|
|
#define __sclearerr(p) ((void)((p)->_flags &= ~(__SERR|__SEOF)))
|
|
#define __sfileno(p) ((p)->_file)
|
|
#define __sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++))
|
|
static __inline int __sputc(int _c, FILE* _p) {
|
|
if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n')) {
|
|
return (*_p->_p++ = _c);
|
|
} else {
|
|
return (__swbuf(_c, _p));
|
|
}
|
|
}
|