326d4f826e
gzFile wasn't used currently. Trying to build rpm2pkg on zlib 1.27 exposed the misuse. rpm2pkg should build on all version of zlib now.
68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
/*-
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* Copyright (c) 2011 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Matthias Scheler.
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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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#define FILEIO_INTERNAL /**/
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#include "fileio.h"
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#include <zlib.h>
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static void
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ZLibCloseFunc(FileHandle *fh)
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{
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gzFile mygzfile = fh->fh_InstData;
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if (mygzfile != NULL)
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(void)gzclose(mygzfile);
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}
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static ssize_t
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ZLibReadFunc(FileHandle *fh, void *buffer, size_t bytes)
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{
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gzFile mygzfile = fh->fh_InstData;
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return gzread(mygzfile, buffer, bytes);
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}
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FileHandle *
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FileHandleZLib(int *fd_p)
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{
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FileHandle *fh;
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fh = FileHandleCreate(ZLibCloseFunc, ZLibReadFunc, 0);
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if (fh != NULL) {
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fh->fh_InstData = gzdopen(*fd_p, "r");
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if (fh->fh_InstData != NULL) {
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*fd_p = -1;
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} else {
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FileHandleClose(fh);
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fh = NULL;
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}
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}
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return fh;
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}
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