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#ifdef _WINDOWS
#include <string.h>
#endif
#include "Navigation.h"
void CNavigation::setSaveData(unsigned char*& data, unsigned short& len, unsigned char* src, unsigned short srclen)
{
len = srclen+sizeof(size_t)*(3+NAVIGATION_HISTORY_SIZE);
data = new unsigned char[len];
unsigned char* p = data;
memcpy(p, src, srclen);
p += srclen;
memcpy(p, &historystart, sizeof(size_t));
p += sizeof(size_t);
memcpy(p, &historyend, sizeof(size_t));
p += sizeof(size_t);
memcpy(p, &historycurrent, sizeof(size_t));
p += sizeof(size_t);
memcpy(p, history, sizeof(size_t)*NAVIGATION_HISTORY_SIZE);
}
void CNavigation::putSaveData(unsigned char*& src, unsigned short& srclen)
{
if (srclen >= sizeof(size_t)*(3+NAVIGATION_HISTORY_SIZE))
{
unsigned char* p = src;
memcpy(&historystart, p, sizeof(size_t));
p += sizeof(size_t);
memcpy(&historyend, p, sizeof(size_t));
p += sizeof(size_t);
memcpy(&historycurrent, p, sizeof(size_t));
p += sizeof(size_t);
memcpy(history, p, sizeof(size_t)*NAVIGATION_HISTORY_SIZE);
src = p + sizeof(size_t)*NAVIGATION_HISTORY_SIZE;
srclen -= sizeof(size_t)*(3+NAVIGATION_HISTORY_SIZE);
}
/*
printf("<%u,%u,%u>\n", historystart, historyend, historycurrent);
for (int i = historystart; i <= historyend; i++)
printf("<%u> ", history[i]);
printf("\n");
*/
}
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