1d13c64d78
Found by adapting the simple unit tests for libc logging to test snprintf too. Fix taken from upstream OpenBSD without updating the rest of stdio. Change-Id: Ie339a8e9393a36080147aae4d6665118e5d93647
98 lines
3.2 KiB
C
98 lines
3.2 KiB
C
/* $OpenBSD: local.h,v 1.12 2005/10/10 17:37:44 espie 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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#include "wcio.h"
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#include "fileext.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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int __sflush(FILE *);
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int __sflush_locked(FILE *);
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FILE *__sfp(void);
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int __srefill(FILE *);
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int __sread(void *, char *, int);
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int __swrite(void *, const char *, int);
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fpos_t __sseek(void *, fpos_t, int);
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int __sclose(void *);
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void __sinit(void);
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void _cleanup(void);
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void __smakebuf(FILE *);
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int __swhatbuf(FILE *, size_t *, int *);
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int _fwalk(int (*)(FILE *));
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int __swsetup(FILE *);
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int __sflags(const char *, int *);
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int __vfprintf(FILE *, const char *, __va_list);
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/*
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* Function to clean up streams, called from abort() and exit().
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*/
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extern void (*__cleanup)(void);
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extern int __sdidinit;
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/*
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* Return true if 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(_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 HASLB(fp) ((fp)->_lb._base != NULL)
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#define FREELB(fp) { \
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free((char *)(fp)->_lb._base); \
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(fp)->_lb._base = NULL; \
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}
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#define FLOCKFILE(fp) do { if (__isthreaded) flockfile(fp); } while (0)
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#define FUNLOCKFILE(fp) do { if (__isthreaded) funlockfile(fp); } while (0)
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#define FLOATING_POINT
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