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Merge pull request #171 from ringlej/fixes

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Allow specifying fractions of a second when setting FAKETIME
This commit is contained in:
Wolfgang Hommel
2018-08-01 19:29:00 +02:00
committed by GitHub
parent 9a2c84d68c 93148b3599
commit 5c6518c597
1 changed files with 26 additions and 4 deletions
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30
src/libfaketime.c
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@@ -1558,6 +1558,7 @@ static void parse_ft_string(const char *user_faked_time)
{
struct tm user_faked_time_tm;
char * tmp_time_fmt;
char * nstime_str;
if (!strncmp(user_faked_time, user_faked_time_saved, BUFFERLEN))
{
@@ -1572,10 +1573,18 @@ static void parse_ft_string(const char *user_faked_time)
default: /* Try and interpret this as a specified time */
if (ft_mode != FT_NOOP) ft_mode = FT_FREEZE;
user_faked_time_tm.tm_isdst = -1;
if (NULL != strptime(user_faked_time, user_faked_time_fmt, &user_faked_time_tm))
nstime_str = strptime(user_faked_time, user_faked_time_fmt, &user_faked_time_tm);
if (NULL != nstime_str)
{
user_faked_time_timespec.tv_sec = mktime(&user_faked_time_tm);
user_faked_time_timespec.tv_nsec = 0;
if (nstime_str[0] == '.')
{
double nstime = atof(--nstime_str);
user_faked_time_timespec.tv_nsec = (nstime - floor(nstime)) * SEC_TO_nSEC;
}
user_faked_time_set = true;
}
else
@@ -1610,10 +1619,23 @@ static void parse_ft_string(const char *user_faked_time)
case '@': /* Specific time, but clock along relative to that starttime */
ft_mode = FT_START_AT;
user_faked_time_tm.tm_isdst = -1;
(void) strptime(&user_faked_time[1], user_faked_time_fmt, &user_faked_time_tm);
nstime_str = strptime(&user_faked_time[1], user_faked_time_fmt, &user_faked_time_tm);
if (NULL != nstime_str)
{
user_faked_time_timespec.tv_sec = mktime(&user_faked_time_tm);
user_faked_time_timespec.tv_nsec = 0;
user_faked_time_timespec.tv_sec = mktime(&user_faked_time_tm);
user_faked_time_timespec.tv_nsec = 0;
if (nstime_str[0] == '.')
{
double nstime = atof(--nstime_str);
user_faked_time_timespec.tv_nsec = (nstime - floor(nstime)) * SEC_TO_nSEC;
}
}
else
{
perror("Failed to parse FAKETIME timestamp");
exit(EXIT_FAILURE);
}
/* Reset starttime */
system_time_from_system(&ftpl_starttime);