usr.sbin/kgzip/kgzip.h

   1 /*
   2  * Copyright (c) 1999 Global Technology Associates, Inc.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
  18  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
  19  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
  20  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  21  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  22  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
  23  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
  24  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  *
  26  * $FreeBSD$
  27  */
  28
  29 #include "kgz.h"
  30
  31 #define F_AOUT  1               /* Format: a.out */
  32 #define F_ELF   2               /* Format: ELF32 */
  33
  34 /* Used by I/O routines */
  35 struct iodesc {
  36     const char *fname;          /* File name */
  37     int fd;                     /* File descriptor */
  38 };
  39
  40 extern const char *loader;      /* Default loader */
  41 extern int format;              /* Output format */
  42
  43 void kgzcmp(struct kgz_hdr *, const char *, const char *);
  44 void kgzld(struct kgz_hdr *, const char *, const char *);
  45
  46 void xclose(const struct iodesc *);
  47 void xcopy(const struct iodesc *, const struct iodesc *, size_t, off_t);
  48 void xzero(const struct iodesc *, size_t);
  49 size_t xread(const struct iodesc *, void *, size_t, off_t);
  50 void xwrite(const struct iodesc *, const void *, size_t);
  51 void xseek(const struct iodesc *, off_t);