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#include "rand.h"
#include <unistd.h>
#include <netinet/in.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
bool Rand::seedFile(CPCCHAR name)
{
int fd = file_open(name, O_RDONLY);
struct stat buf;
if(fd == -1 || fstat(fd, &buf) == -1)
{
fprintf(stderr, "Can't open random file \"%s\".\n", name);
if(fd != -1)
close(fd);
return true;
}
int size = buf.st_size / sizeof(int);
delete(m_arr);
m_arr = new int[size];
m_size = size;
if(size_t(read(fd, m_arr, size * sizeof(int))) != size * sizeof(int))
{
fprintf(stderr, "Can't read random data from \"%s\".\n", name);
return true;
}
for(int i = 0; i < size; i++)
{
m_arr[i] = abs(int(ntohl(m_arr[i])));
}
close(fd);
m_ind = -1;
m_name = string(name);
return false;
}
void Rand::seedNum(UINT num)
{
delete(m_arr);
m_arr = NULL;
m_size = 0;
srand(num);
m_init = num;
char buf[12];
sprintf(buf, "%u", num);
m_name = string(buf);
}
void Rand::reset()
{
if(m_arr)
m_ind = -1;
else
srand(m_init);
}
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