25 lines
1.0 KiB
C++
25 lines
1.0 KiB
C++
 
|
// tuzc: compress stdin with tinyuz (4 KB dict) to stdout; verifies by round-trip.
|
||
|
|
#include <cstdio>
|
||
|
|
#include <vector>
|
||
|
|
#include <io.h>
|
||
|
|
#include <fcntl.h>
|
||
|
|
#include "tinyuz/decompress/tuz_dec.h"
|
||
|
|
extern "C" size_t tuz_compress_mem(const unsigned char*, size_t, unsigned char*, size_t, size_t);
|
||
|
|
extern "C" size_t tuz_max_compressed_size(size_t);
|
||
|
|
int main() {
|
||
|
|
_setmode(_fileno(stdin), _O_BINARY);
|
||
|
|
_setmode(_fileno(stdout), _O_BINARY);
|
||
|
|
std::vector<unsigned char> in;
|
||
|
|
int c;
|
||
|
|
while ((c = getchar()) != EOF) in.push_back((unsigned char)c);
|
||
|
|
if (in.empty()) return 2;
|
||
|
|
std::vector<unsigned char> out(tuz_max_compressed_size(in.size()));
|
||
|
|
size_t n = tuz_compress_mem(in.data(), in.size(), out.data(), out.size(), 4096);
|
||
|
|
if (n == 0) return 3;
|
||
|
|
std::vector<unsigned char> back(in.size());
|
||
|
|
tuz_size_t back_size = (tuz_size_t)back.size();
|
||
|
|
if (tuz_decompress_mem(out.data(), n, back.data(), &back_size) != tuz_STREAM_END
|
||
|
|
|| back_size != in.size() || back != in) return 4;
|
||
|
|
fwrite(out.data(), 1, n, stdout);
|
||
|
|
return 0;
|
||
|
|
}
|