#include "timeval.h"
#if defined(WIN32) && !defined(MSDOS)
extern LARGE_INTEGER Curl_freq;
extern bool Curl_isVistaOrGreater;
struct curltime Curl_now(void)
{
struct curltime now;
if(Curl_isVistaOrGreater) {
LARGE_INTEGER count;
QueryPerformanceCounter(&count);
now.tv_sec = (time_t)(count.QuadPart / Curl_freq.QuadPart);
now.tv_usec = (int)((count.QuadPart % Curl_freq.QuadPart) * 1000000 /
Curl_freq.QuadPart);
}
else {
#if defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable:28159)
#endif
DWORD milliseconds = GetTickCount();
#if defined(_MSC_VER)
#pragma warning(pop)
#endif
now.tv_sec = milliseconds / 1000;
now.tv_usec = (milliseconds % 1000) * 1000;
}
return now;
}
#elif defined(HAVE_CLOCK_GETTIME_MONOTONIC)
struct curltime Curl_now(void)
{
struct timeval now;
struct curltime cnow;
struct timespec tsnow;
#if defined(__APPLE__) && (HAVE_BUILTIN_AVAILABLE == 1)
bool have_clock_gettime = FALSE;
if(__builtin_available(macOS 10.12, iOS 10, tvOS 10, watchOS 3, *))
have_clock_gettime = TRUE;
#endif
if(
#if defined(__APPLE__) && (HAVE_BUILTIN_AVAILABLE == 1)
have_clock_gettime &&
#endif
(0 == clock_gettime(CLOCK_MONOTONIC, &tsnow))) {
cnow.tv_sec = tsnow.tv_sec;
cnow.tv_usec = (unsigned int)(tsnow.tv_nsec / 1000);
}
#ifdef HAVE_GETTIMEOFDAY
else {
(void)gettimeofday(&now, NULL);
cnow.tv_sec = now.tv_sec;
cnow.tv_usec = (unsigned int)now.tv_usec;
}
#else
else {
cnow.tv_sec = time(NULL);
cnow.tv_usec = 0;
}
#endif
return cnow;
}
#elif defined(HAVE_MACH_ABSOLUTE_TIME)
#include <stdint.h>
#include <mach/mach_time.h>
struct curltime Curl_now(void)
{
static mach_timebase_info_data_t timebase;
struct curltime cnow;
uint64_t usecs;
if(0 == timebase.denom)
(void) mach_timebase_info(&timebase);
usecs = mach_absolute_time();
usecs *= timebase.numer;
usecs /= timebase.denom;
usecs /= 1000;
cnow.tv_sec = usecs / 1000000;
cnow.tv_usec = (int)(usecs % 1000000);
return cnow;
}
#elif defined(HAVE_GETTIMEOFDAY)
struct curltime Curl_now(void)
{
struct timeval now;
struct curltime ret;
(void)gettimeofday(&now, NULL);
ret.tv_sec = now.tv_sec;
ret.tv_usec = (int)now.tv_usec;
return ret;
}
#else
struct curltime Curl_now(void)
{
struct curltime now;
now.tv_sec = time(NULL);
now.tv_usec = 0;
return now;
}
#endif
#if SIZEOF_TIME_T < 8
#define TIME_MAX INT_MAX
#define TIME_MIN INT_MIN
#else
#define TIME_MAX 9223372036854775807LL
#define TIME_MIN -9223372036854775807LL
#endif
timediff_t Curl_timediff(struct curltime newer, struct curltime older)
{
timediff_t diff = (timediff_t)newer.tv_sec-older.tv_sec;
if(diff >= (TIME_MAX/1000))
return TIME_MAX;
else if(diff <= (TIME_MIN/1000))
return TIME_MIN;
return diff * 1000 + (newer.tv_usec-older.tv_usec)/1000;
}
timediff_t Curl_timediff_us(struct curltime newer, struct curltime older)
{
timediff_t diff = (timediff_t)newer.tv_sec-older.tv_sec;
if(diff >= (TIME_MAX/1000000))
return TIME_MAX;
else if(diff <= (TIME_MIN/1000000))
return TIME_MIN;
return diff * 1000000 + newer.tv_usec-older.tv_usec;
}