Files
test/intern/cycles/cmake/zstd_compress.cpp

55 lines
1.1 KiB
C++

/* SPDX-FileCopyrightText: 2024 Blender Foundation
*
* SPDX-License-Identifier: Apache-2.0 */
#include <cstdint>
#include <fstream>
#include <vector>
#include <zstd.h>
int main(const int argc, const char **argv)
{
if (argc < 3) {
return -1;
}
/* TODO: This might fail for non-ASCII paths on Windows... */
std::ifstream in(argv[1], std::ios_base::binary);
std::ofstream out(argv[2], std::ios_base::binary);
if (!in || !out) {
return -1;
}
in.seekg(0, std::ios_base::end);
size_t in_size = in.tellg();
in.seekg(0, std::ios_base::beg);
if (!in) {
return -1;
}
std::vector<char> in_data(in_size);
in.read(in_data.data(), in_size);
if (!in) {
return -1;
}
size_t out_size = ZSTD_compressBound(in_size);
if (ZSTD_isError(out_size)) {
return -1;
}
std::vector<char> out_data(out_size);
out_size = ZSTD_compress(out_data.data(), out_data.size(), in_data.data(), in_data.size(), 19);
if (ZSTD_isError(out_size)) {
return -1;
}
out.write(out_data.data(), out_size);
if (!out) {
return -1;
}
return 0;
}