Files
MP-SPDZ/Tools/parse.h
2022-05-23 17:27:56 +02:00

54 lines
985 B
C++

/*
* parse.h
*
*/
#ifndef TOOLS_PARSE_H_
#define TOOLS_PARSE_H_
#include <iostream>
#include <vector>
using namespace std;
#ifdef __APPLE__
# include <libkern/OSByteOrder.h>
#define be32toh(x) OSSwapBigToHostInt32(x)
#define be64toh(x) OSSwapBigToHostInt64(x)
#endif
// Read a 4-byte integer
inline int get_int(istream& s)
{
int n;
s.read((char*) &n, 4);
return be32toh(n);
}
// Read an 8-byte integer
inline int64_t get_long(istream& s)
{
int64_t n;
s.read((char*) &n, 8);
return be64toh(n);
}
// Read several integers
inline void get_ints(int* res, istream& s, int count)
{
s.read((char*) res, 4 * count);
for (int i = 0; i < count; i++)
res[i] = be32toh(res[i]);
}
inline void get_vector(int m, vector<int>& start, istream& s)
{
if (s.fail())
throw runtime_error("error when parsing vector");
start.resize(m);
s.read((char*) start.data(), 4 * m);
for (int i = 0; i < m; i++)
start[i] = be32toh(start[i]);
}
#endif /* TOOLS_PARSE_H_ */