xref: /freebsd-10.1-release/usr.sbin/kgzip/kgzip.h

/*
 * Copyright (c) 1999 Global Technology Associates, Inc.
 * All rights reserved.
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
 *
 * $FreeBSD: head/usr.sbin/kgzip/kgzip.h 50479 1999-08-28 01:35:59Z peter $
 */

#include "kgz.h"

/* Used by I/O routines */
struct iodesc {
    const char *fname;		/* File name */
    int fd;			/* File descriptor */
};

extern const char *loader;	/* Default loader */

void kgzcmp(struct kgz_hdr *, const char *, const char *);
void kgzld(struct kgz_hdr *, const char *, const char *);

void xclose(const struct iodesc *);
void xcopy(const struct iodesc *, const struct iodesc *, size_t, off_t);
void xzero(const struct iodesc *, size_t);
size_t xread(const struct iodesc *, void *, size_t, off_t);
void xwrite(const struct iodesc *, const void *, size_t);
void xseek(const struct iodesc *, off_t);