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#include <time.h>
#include "tai.h"
/**
* @file tai.c
* @author djb
* @ref qmail
* @brief 'temps atomic' time handling
*/
void tai_add(struct tai *t,const struct tai *u,const struct tai *v)
{
t->x = u->x + v->x;
}
void tai_now(struct tai *t)
{
tai_unix(t,time((time_t *) 0));
}
void tai_pack(char *s,const struct tai *t)
{
uint64 x;
x = t->x;
s[7] = (char)x; x >>= 8;
s[6] = (char)x; x >>= 8;
s[5] = (char)x; x >>= 8;
s[4] = (char)x; x >>= 8;
s[3] = (char)x; x >>= 8;
s[2] = (char)x; x >>= 8;
s[1] = (char)x; x >>= 8;
s[0] = (char)x;
}
void tai_sub(struct tai *t,const struct tai *u,const struct tai *v)
{
t->x = u->x - v->x;
}
void tai_uint(struct tai *t,unsigned int u)
{
t->x = u;
}
void tai_unpack(const char *s,struct tai *t)
{
uint64 x;
x = (unsigned char) s[0];
x <<= 8; x += (unsigned char) s[1];
x <<= 8; x += (unsigned char) s[2];
x <<= 8; x += (unsigned char) s[3];
x <<= 8; x += (unsigned char) s[4];
x <<= 8; x += (unsigned char) s[5];
x <<= 8; x += (unsigned char) s[6];
x <<= 8; x += (unsigned char) s[7];
t->x = x;
}
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