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RRTcodebaseC

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(int)wanted_struct.tm_mday, (int)wanted_struct.tm_mon+1, (int)wanted_struct.tm_year+1900,
(int)wanted_struct.tm_hour, (int)wanted_struct.tm_min, (int)wanted_struct.tm_sec);
}
struct mailimap_date_time* dc_timestamp_to_mailimap_date_time(time_t timeval)
{
struct tm gmt;
struct tm lt;
int off = 0;
struct mailimap_date_time* date_time;
int sign = 0;
int hour = 0;
int min = 0;
gmtime_r(&timeval, &gmt);
localtime_r(&timeval, &lt);
off = (int) ((mkgmtime(&lt) - mkgmtime(&gmt)) / 60);
if (off < 0) {
sign = -1;
}
else {
sign = 1;
}
off = off * sign;
min = off % 60;
hour = off / 60;
off = hour * 100 + min;
off = off * sign;
date_time = mailimap_date_time_new(lt.tm_mday, lt.tm_mon + 1,
lt.tm_year + 1900,
lt.tm_hour, lt.tm_min, lt.tm_sec,
off);
return date_time;
}
/*******************************************************************************
* Time smearing
******************************************************************************/
#define DC_MAX_SECONDS_TO_LEND_FROM_FUTURE 5
#define SMEAR_LOCK { pthread_mutex_lock(&context->smear_critical); }
#define SMEAR_UNLOCK { pthread_mutex_unlock(&context->smear_critical); }
time_t dc_create_smeared_timestamp(dc_context_t* context)
{
time_t now = time(NULL);
time_t ret = now;
SMEAR_LOCK
if (ret <= context->last_smeared_timestamp) {
ret = context->last_smeared_timestamp+1;
if ((ret-now) > DC_MAX_SECONDS_TO_LEND_FROM_FUTURE) {
ret = now + DC_MAX_SECONDS_TO_LEND_FROM_FUTURE;
}
}
context->last_smeared_timestamp = ret;
SMEAR_UNLOCK
return ret;
}
time_t dc_create_smeared_timestamps(dc_context_t* context, int count)
{
/* get a range to timestamps that can be used uniquely */
time_t now = time(NULL);
time_t start = now + DC_MIN(count, DC_MAX_SECONDS_TO_LEND_FROM_FUTURE) - count;
SMEAR_LOCK
start = DC_MAX(context->last_smeared_timestamp+1, start);
context->last_smeared_timestamp = start+(count-1);
SMEAR_UNLOCK
return start;
}
time_t dc_smeared_time(dc_context_t* context)
{
/* function returns a corrected time(NULL) */
time_t now = time(NULL);
SMEAR_LOCK
if (context->last_smeared_timestamp >= now) {
now = context->last_smeared_timestamp+1;
}
SMEAR_UNLOCK
return now;
}
/*******************************************************************************
* generate Message-IDs
******************************************************************************/