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Displayed times in UTC in ntfsinfo

edge.strict_endians
Jean-Pierre André 2010-12-21 15:51:07 +01:00
parent 31ce5db142
commit 936ca1193f
1 changed files with 54 additions and 2 deletions
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56
ntfsprogs/ntfsinfo.c
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@ -317,8 +317,60 @@ static int parse_options(int argc, char *argv[])
*/
static char *ntfsinfo_time_to_str(const sle64 sle_ntfs_clock)
{
struct timespec unix_clock = ntfs2timespec((ntfs_time) sle_ntfs_clock);
return ctime(&unix_clock.tv_sec);
/* JPA display timestamps in UTC */
static const char *months[]
= { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec" } ;
static const char *wdays[]
= { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" } ;
static char str[30];
long long stamp;
u32 days;
u32 seconds;
unsigned int year;
unsigned int wday;
int mon;
int cnt;
stamp = sle64_to_cpu(sle_ntfs_clock);
days = (stamp/(86400*10000000LL)) & 0x7ffff;
seconds = ((stamp/10000000LL)%86400) & 0x1ffff;
wday = (days + 1)%7;
year = 1601;
/* periods of 400 years */
cnt = days/146097;
days -= 146097*cnt;
year += 400*cnt;
/* periods of 100 years */
cnt = (3*days + 3)/109573;
days -= 36524*cnt;
year += 100*cnt;
/* periods of 4 years */
cnt = days/1461;
days -= 1461*cnt;
year += 4*cnt;
/* periods of a single year */
cnt = (3*days + 3)/1096;
days -= 365*cnt;
year += cnt;
if ((!(year % 100) ? (year % 400) : (year % 4))
&& (days > 58)) days++;
if (days > 59) {
mon = (5*days + 161)/153;
days -= (153*mon - 162)/5;
} else {
mon = days/31 + 1;
days -= 31*(mon - 1) - 1;
}
sprintf(str,"%3s %3s %2u %02u:%02u:%02u %4u UTC\n",
wdays[wday],
months[mon-1],(unsigned int)days,
(unsigned int)(seconds/3600),
(unsigned int)(seconds/60%60),
(unsigned int)(seconds%60),
(unsigned int)year);
return (str);
}
/**