Provide zcalloc()/zcfree() so that uncompress() works.
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b407147f14
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@ -1,4 +1,31 @@
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/* $NetBSD: kern_zlib.c,v 1.1 2008/05/04 23:07:09 ad Exp $ */
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/* $NetBSD: kern_zlib.c,v 1.2 2008/05/04 23:48:05 ad Exp $ */
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/*-
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* Copyright (c) 2008 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* This file is derived from various .h and .c files from the zlib-1.0.4
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* distribution by Jean-loup Gailly and Mark Adler, with some additions
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@ -11,7 +38,7 @@
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* - added inflateIncomp and deflateOutputPending
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* - allow strm->next_out to be NULL, meaning discard the output
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*
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* $Id: kern_zlib.c,v 1.1 2008/05/04 23:07:09 ad Exp $
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* $Id: kern_zlib.c,v 1.2 2008/05/04 23:48:05 ad Exp $
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*/
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/*
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@ -22,11 +49,11 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: kern_zlib.c,v 1.1 2008/05/04 23:07:09 ad Exp $");
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__KERNEL_RCSID(0, "$NetBSD: kern_zlib.c,v 1.2 2008/05/04 23:48:05 ad Exp $");
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#include <sys/kmem.h>
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#define NO_DUMMY_DECL
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#define NO_ZCFUNCS
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#define MY_ZCALLOC
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#if defined(__FreeBSD__) && (defined(KERNEL) || defined(_KERNEL))
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#define inflate inflate_ppp /* FreeBSD already has an inflate :-( */
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@ -45,7 +72,7 @@ __KERNEL_RCSID(0, "$NetBSD: kern_zlib.c,v 1.1 2008/05/04 23:07:09 ad Exp $");
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subject to change. Applications should only use zlib.h.
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*/
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/* @(#) $Id: kern_zlib.c,v 1.1 2008/05/04 23:07:09 ad Exp $ */
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/* @(#) $Id: kern_zlib.c,v 1.2 2008/05/04 23:48:05 ad Exp $ */
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#ifndef _Z_UTIL_H
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#define _Z_UTIL_H
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@ -271,8 +298,8 @@ extern const char *z_errmsg[10]; /* indexed by 2-zlib_error */
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typedef uLong (ZEXPORT *check_func) __P((uLong check, const Bytef *buf,
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uInt len));
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voidpf zcalloc __P((voidpf opaque, unsigned items, unsigned size));
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void zcfree __P((voidpf opaque, voidpf ptr));
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static voidpf zcalloc __P((voidpf opaque, unsigned items, unsigned size));
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static void zcfree __P((voidpf opaque, voidpf ptr));
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#define ZALLOC(strm, items, size) \
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(*((strm)->zalloc))((strm)->opaque, (items), (size))
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@ -294,7 +321,7 @@ void zcfree __P((voidpf opaque, voidpf ptr));
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subject to change. Applications should only use zlib.h.
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*/
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/* @(#) $Id: kern_zlib.c,v 1.1 2008/05/04 23:07:09 ad Exp $ */
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/* @(#) $Id: kern_zlib.c,v 1.2 2008/05/04 23:48:05 ad Exp $ */
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#ifndef _DEFLATE_H
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#define _DEFLATE_H
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@ -656,7 +683,7 @@ void _tr_stored_type_only __P((deflate_state *));
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*
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*/
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/* @(#) $Id: kern_zlib.c,v 1.1 2008/05/04 23:07:09 ad Exp $ */
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/* @(#) $Id: kern_zlib.c,v 1.2 2008/05/04 23:48:05 ad Exp $ */
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/* #include "deflate.h" */
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@ -2030,7 +2057,7 @@ local block_state deflate_slow(s, flush)
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* Addison-Wesley, 1983. ISBN 0-201-06672-6.
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*/
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/* @(#) $Id: kern_zlib.c,v 1.1 2008/05/04 23:07:09 ad Exp $ */
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/* @(#) $Id: kern_zlib.c,v 1.2 2008/05/04 23:48:05 ad Exp $ */
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/* #define GEN_TREES_H */
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@ -5881,21 +5908,27 @@ extern voidp calloc __P((uInt items, uInt size));
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extern void free __P((voidpf ptr));
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#endif
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voidpf zcalloc (opaque, items, size)
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voidpf opaque;
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unsigned items;
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unsigned size;
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static voidpf
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zcalloc(voidpf opaque, unsigned int items, unsigned int size)
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{
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if (opaque) items += size - size; /* make compiler happy */
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return (voidpf)calloc(items, size);
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const u_int overhead = (u_int)roundup(sizeof(size_t), (ALIGNBYTES+1));
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u_int totalsize;
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totalsize = items * size + overhead;
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opaque = kmem_zalloc(totalsize, KM_SLEEP);
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*(size_t *)opaque = totalsize;
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return (voidpf)((uint8_t *)opaque + overhead);
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}
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void zcfree (opaque, ptr)
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voidpf opaque;
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voidpf ptr;
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static void
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zcfree(voidpf opaque, voidpf ptr)
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{
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free(ptr);
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if (opaque) return; /* make compiler happy */
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const u_int overhead = (u_int)roundup(sizeof(size_t), (ALIGNBYTES+1));
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size_t *sz;
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sz = (size_t *)((uint8_t *)ptr - overhead);
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kmem_free(sz, *sz);
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}
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#endif /* MY_ZCALLOC */
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@ -5907,7 +5940,7 @@ void zcfree (opaque, ptr)
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* For conditions of distribution and use, see copyright notice in zlib.h
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*/
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/* @(#) $Id: kern_zlib.c,v 1.1 2008/05/04 23:07:09 ad Exp $ */
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/* @(#) $Id: kern_zlib.c,v 1.2 2008/05/04 23:48:05 ad Exp $ */
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/* #include "zlib.h" */
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