freebsd-src/usr.sbin/kgzip/kgzip.h
Robert Nordier 35633713e5 Add support for creating a.out output files in addition to ELF.
This allows booting from compressed binaries using older bootstraps.

Thanks to: dwmalone
2000-11-04 13:02:00 +00:00

52 lines
2.1 KiB
C

/*
* 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.
*
* $FreeBSD$
*/
#include "kgz.h"
#define F_AOUT 1 /* Format: a.out */
#define F_ELF 2 /* Format: ELF32 */
/* Used by I/O routines */
struct iodesc {
const char *fname; /* File name */
int fd; /* File descriptor */
};
extern const char *loader; /* Default loader */
extern int format; /* Output format */
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);