f14fb60209
* Updating common/lib * Updating lib/csu * Updating lib/libc * Updating libexec/ld.elf_so * Corrected test on __minix in featuretest to actually follow the meaning of the comment. * Cleaned up _REENTRANT-related defintions. * Disabled -D_REENTRANT for libfetch * Removing some unneeded __NBSD_LIBC defines and tests Change-Id: Ic1394baef74d11b9f86b312f5ff4bbc3cbf72ce2
127 lines
4.2 KiB
C
127 lines
4.2 KiB
C
/* $NetBSD: local.h,v 1.34 2012/03/27 15:05:42 christos Exp $ */
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/*-
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Chris Torek.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)local.h 8.3 (Berkeley) 7/3/94
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*/
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#include "wcio.h"
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#include "fileext.h"
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#include <limits.h>
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#include <stdarg.h>
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#include <stdbool.h>
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/*
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* Information local to this implementation of stdio,
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* in particular, macros and private variables.
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*/
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extern int __sflush(FILE *);
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extern FILE *__sfp(void);
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extern void __sfpinit(FILE *);
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extern int __srefill(FILE *);
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extern ssize_t __sread(void *, void *, size_t);
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extern ssize_t __swrite(void *, const void *, size_t);
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extern off_t __sseek(void *, off_t, int);
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extern int __sclose(void *);
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extern void __sinit(void);
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extern void _cleanup(void);
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extern void (*__cleanup)(void);
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extern void __smakebuf(FILE *);
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extern int __swhatbuf(FILE *, size_t *, int *);
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extern int _fwalk(int (*)(FILE *));
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extern char *_mktemp(char *);
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extern int __swsetup(FILE *);
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extern int __sflags(const char *, int *);
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extern int __svfscanf(FILE * __restrict, const char * __restrict,
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va_list) __scanflike(2, 0);
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extern int __svfscanf_unlocked(FILE * __restrict, const char * __restrict,
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va_list) __scanflike(2, 0);
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extern int __vfprintf_unlocked(FILE * __restrict, const char * __restrict,
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va_list) __printflike(2, 0);
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extern int __sdidinit;
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extern int __gettemp(char *, int *, int);
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extern wint_t __fgetwc_unlock(FILE *);
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extern wint_t __fputwc_unlock(wchar_t, FILE *);
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extern ssize_t __getdelim(char **__restrict, size_t *__restrict, int,
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FILE *__restrict);
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extern char *__fgetstr(FILE * __restrict, size_t * __restrict, int);
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extern int __vfwprintf_unlocked(FILE *, const wchar_t *, va_list);
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extern int __vfwscanf_unlocked(FILE * __restrict,
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const wchar_t * __restrict, va_list);
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/*
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* Return true iff the given FILE cannot be written now.
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*/
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#define cantwrite(fp) \
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((((fp)->_flags & __SWR) == 0 || (fp)->_bf._base == NULL) && \
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__swsetup(fp))
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/*
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* Test whether the given stdio file has an active ungetc buffer;
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* release such a buffer, without restoring ordinary unread data.
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*/
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#define HASUB(fp) (_UB(fp)._base != NULL)
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#define FREEUB(fp) { \
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if (_UB(fp)._base != (fp)->_ubuf) \
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free((char *)_UB(fp)._base); \
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_UB(fp)._base = NULL; \
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}
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/*
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* test for an fgetln() buffer.
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*/
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#define FREELB(fp) { \
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free(_EXT(fp)->_fgetstr_buf); \
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_EXT(fp)->_fgetstr_buf = NULL; \
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_EXT(fp)->_fgetstr_len = 0; \
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}
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extern void __flockfile_internal(FILE *, int);
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extern void __funlockfile_internal(FILE *, int);
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/*
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* Detect if the current file position fits in a long int.
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*/
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static __inline bool
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__long_overflow(off_t pos)
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{
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return (pos < LONG_MIN) || (pos > LONG_MAX);
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}
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