ghs-demo-msgutils.h

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#ifndef GHS_DEMO_MSGUTILS
#define GHS_DEMO_MSGUTILS
 
#include "ghs/msg.h"
#include <cstring>
 
using le::ghs::Msg;
using le::ghs::MAX_MSG_SZ;
 
template <std::size_t NUM>
Msg from_bytes(unsigned char b[NUM]){
  static_assert(NUM>=MAX_MSG_SZ,"from_bytes only accepts statically-sized arrays >= sizeof(Msg)");
  Msg r;
  void* rp = (void*)&r;
  memmove(rp,(void*)b,MAX_MSG_SZ);
  return r;
}
 
template <std::size_t NUM>
void to_bytes(const Msg&m, unsigned char b[NUM]){
  static_assert(NUM>=MAX_MSG_SZ,"from_bytes only accepts statically-sized arrays >= sizeof(Msg)");
  void* mp = (void*)&m;
  void* bp = (void*)&b[0];
  memmove(bp,mp,MAX_MSG_SZ);
  return;
}
 
Msg from_bytes(unsigned char *b, size_t b_sz);
 
void to_bytes(const Msg&m, unsigned char* b, size_t &b_sz);
 
#endif