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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <arpa/inet.h>
namespace vespalib {
class nbo {
public:
static bool n2h(bool v) { return v; }
static int8_t n2h(int8_t v) { return v; }
static uint8_t n2h(uint8_t v) { return v; }
static char n2h(char v) { return v; }
static int16_t n2h(int16_t v) { return ntohs(v); }
static uint16_t n2h(uint16_t v) { return ntohs(v); }
static int32_t n2h(int32_t v) { return ntohl(v); }
static uint32_t n2h(uint32_t v) { return ntohl(v); }
static int64_t n2h(int64_t v) { return nbo_ntohll(v); }
static uint64_t n2h(uint64_t v) { return nbo_ntohll(v); }
static float n2h(float v) {
union { uint32_t _u; float _f; } uf;
uf._f = v;
uf._u = ntohl(uf._u);
return uf._f;
}
static double n2h(double v) {
union { uint64_t _u; double _f; } uf;
uf._f = v;
uf._u = nbo_ntohll(uf._u);
return uf._f;
}
private:
static uint64_t nbo_ntohll(uint64_t v) {
union { uint64_t _ll; uint32_t _l[2]; } w, r;
r._ll = v;
w._l[0] = n2h(r._l[1]);
w._l[1] = n2h(r._l[0]);
return w._ll;
}
};
}
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