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/*-
* Copyright (c) 1990 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 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 5.2 (Berkeley) 2/5/91 */
/*
* Information local to this implementation of stdio, * in particular, macros and private variables. */
int __sflush __P((FILE *));FILE *__sfp __P((void));int __srefill __P((FILE *));int __sread __P((void *, char *, int));int __swrite __P((void *, char const *, int));fpos_t __sseek __P((void *, fpos_t, int));int __sclose __P((void *));void __sinit __P((void));void _cleanup __P((void));void (*__cleanup) __P((void));void __smakebuf __P((FILE *));int _fwalk __P((int (*)(FILE *)));int __swsetup __P((FILE *));int __sflags __P((const char *, int *));
extern int __sdidinit;
/*
* Return true iff 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) ((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 fgetline() buffer. */#define HASLB(fp) ((fp)->_lb._base != NULL)
#define FREELB(fp) { \
free((char *)(fp)->_lb._base); \ (fp)->_lb._base = NULL; \}
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