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#ifdef __APPLE__
#define _DARWIN_UNLIMITED_STREAMS
#endif
#include <stdio.h>
#include <string>
#include <atomic>
#include <zlib.h>
struct decompressor {
FILE *fp = NULL;
z_stream zs;
std::string buf;
// from begin() to receiving end-of-stream
bool within = false;
decompressor(FILE *f) {
fp = f;
buf.resize(5000);
zs.next_in = (Bytef *) buf.c_str();
zs.avail_in = 0;
}
decompressor() {
}
void begin();
int fread(void *p, size_t size, size_t nmemb, std::atomic<long long> *geompos);
void end(std::atomic<long long> *geompos);
int deserialize_ulong_long(unsigned long long *zigzag, std::atomic<long long> *geompos);
int deserialize_long_long(long long *n, std::atomic<long long> *geompos);
int deserialize_int(int *n, std::atomic<long long> *geompos);
int deserialize_uint(unsigned *n, std::atomic<long long> *geompos);
};
struct compressor {
FILE *fp = NULL;
z_stream zs;
compressor(FILE *f) {
fp = f;
}
compressor() {
}
void begin();
void end(std::atomic<long long> *fpos, const char *fname);
int fclose();
void fwrite_check(const char *p, size_t size, size_t nmemb, std::atomic<long long> *fpos, const char *fname);
void serialize_ulong_long(unsigned long long val, std::atomic<long long> *fpos, const char *fname);
void serialize_long_long(long long val, std::atomic<long long> *fpos, const char *fname);
void serialize_int(int val, std::atomic<long long> *fpos, const char *fname);
void serialize_uint(unsigned val, std::atomic<long long> *fpos, const char *fname);
};
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