Colony » Colony Scout

/*-

 * 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.

 *

 *        @(#)local.h        8.3 (Berkeley) 7/3/94

 */

#include <sys/cdefs.h>

/*

 * Information local to this implementation of stdio,

 * in particular, macros and private variables.

 */

__BEGIN_DECLS

int        __sflush(FILE *);

FILE        *__sfp(void);

int        __srefill(FILE *);

int        __sread(FILE *, char *, int);

int        __swrite(FILE *, char const *, int);

fpos_t        __sseek(FILE *, fpos_t, int);

int        __sclose(FILE *);

void        __sinit(void);

void        _cleanup(void);

void        (*__cleanup)(void);

void        __smakebuf(FILE *);

int        _fwalk(int (*)(FILE *));

int        __swsetup(FILE *);

int        __sflags(const char *, int *);

int        __sdidinit;

__END_DECLS

/*

 * 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) { \

        (fp)->_ub._base = NULL; \

}