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59 lines
1.1 KiB
C++
59 lines
1.1 KiB
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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// Copyright The Music Player Daemon Project
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#include "lib/zlib/GzipOutputStream.hxx"
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#include "io/StdioOutputStream.hxx"
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#include "system/Error.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, int src)
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{
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while (true) {
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std::byte buffer[4096];
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ssize_t nbytes = read(src, buffer, sizeof(buffer));
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if (nbytes <= 0) {
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if (nbytes < 0)
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throw MakeErrno("read() failed");
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return;
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}
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dest.Write(std::span{buffer}.first(nbytes));
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}
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}
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static void
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CopyGzip(OutputStream &_dest, int src)
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{
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GzipOutputStream dest(_dest);
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Copy(dest, src);
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dest.Finish();
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}
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static void
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CopyGzip(FILE *_dest, int src)
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{
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StdioOutputStream dest(_dest);
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CopyGzip(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 != 1) {
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fprintf(stderr, "Usage: run_gzip\n");
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return EXIT_FAILURE;
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}
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CopyGzip(stdout, STDIN_FILENO);
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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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