74 lines
1.8 KiB
C++
74 lines
1.8 KiB
C++
/*
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* Copyright 2003-2022 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "lib/zlib/GunzipReader.hxx"
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#include "io/FileReader.hxx"
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#include "io/StdioOutputStream.hxx"
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#include "fs/NarrowPath.hxx"
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#include "util/PrintException.hxx"
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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static void
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Copy(OutputStream &dest, Reader &src)
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{
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while (true) {
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char buffer[4096];
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size_t nbytes = src.Read(buffer, sizeof(buffer));
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if (nbytes == 0)
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break;
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dest.Write(buffer, nbytes);
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}
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}
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static void
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CopyGunzip(OutputStream &dest, Reader &_src)
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{
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GunzipReader src(_src);
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Copy(dest, src);
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}
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static void
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CopyGunzip(FILE *_dest, Path src_path)
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{
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StdioOutputStream dest(_dest);
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FileReader src(src_path);
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CopyGunzip(dest, src);
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}
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int
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main(int argc, [[maybe_unused]] char **argv)
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try {
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if (argc != 2) {
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fprintf(stderr, "Usage: run_gunzip PATH\n");
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return EXIT_FAILURE;
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}
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FromNarrowPath path = argv[1];
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CopyGunzip(stdout, path);
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return EXIT_SUCCESS;
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} catch (...) {
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PrintException(std::current_exception());
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return EXIT_FAILURE;
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}
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