mpd/test/run_gzip.cxx
2023-03-06 14:59:48 +01:00

59 lines
1.0 KiB
C++

// SPDX-License-Identifier: GPL-2.0-or-later
// Copyright The Music Player Daemon Project
#include "lib/zlib/GzipOutputStream.hxx"
#include "io/StdioOutputStream.hxx"
#include "system/Error.hxx"
#include "util/PrintException.hxx"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
static void
Copy(OutputStream &dest, int src)
{
while (true) {
char buffer[4096];
ssize_t nbytes = read(src, buffer, sizeof(buffer));
if (nbytes <= 0) {
if (nbytes < 0)
throw MakeErrno("read() failed");
return;
}
dest.Write(buffer, nbytes);
}
}
static void
CopyGzip(OutputStream &_dest, int src)
{
GzipOutputStream dest(_dest);
Copy(dest, src);
dest.Finish();
}
static void
CopyGzip(FILE *_dest, int src)
{
StdioOutputStream dest(_dest);
CopyGzip(dest, src);
}
int
main(int argc, [[maybe_unused]] char **argv)
try {
if (argc != 1) {
fprintf(stderr, "Usage: run_gzip\n");
return EXIT_FAILURE;
}
CopyGzip(stdout, STDIN_FILENO);
return EXIT_SUCCESS;
} catch (...) {
PrintException(std::current_exception());
return EXIT_FAILURE;
}