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asc2log: support milliseconds resolution in date/time string 

While strptime() does not support fractions of seconds in the date/time
string some new asc files support the milliseconds resolution.

When detecting this new format the msecs are retrieved by a separate
sscanf() invocation and added to the timeval's tv_usec element.

Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
pull/204/head
Oliver Hartkopp 2020-05-10 19:22:53 +02:00
parent 41c8ead6c0
commit 9b75c6020f
1 changed files with 8 additions and 2 deletions
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10
asc2log.c
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@ -323,6 +323,7 @@ void eval_canfd(char* buf, struct timeval *date_tvp, char timestamps, int dplace
int get_date(struct timeval *tv, char *date) {
struct tm tms;
unsigned int msecs = 0;
if (strcasestr(date, " pm ") != NULL) {
/* assume EN/US date due to existing am/pm field */
@ -338,6 +339,8 @@ int get_date(struct timeval *tv, char *date) {
before parsing the real year value (hack) */
if (!strptime(date, "%B %d %I:%M:%S.%Y %p %Y", &tms))
return 1;
else
sscanf(date, "%*s %*d %*d:%*d:%*d.%3u ", &msecs);
}
} else {
@ -354,14 +357,17 @@ int get_date(struct timeval *tv, char *date) {
before parsing the real year value (hack) */
if (!strptime(date, "%B %d %H:%M:%S.%Y %Y", &tms))
return 1;
else
sscanf(date, "%*s %*d %*d:%*d:%*d.%3u ", &msecs);
}
}
//printf("h %d m %d s %d d %d m %d y %d\n",
//tms.tm_hour, tms.tm_min, tms.tm_sec,
//printf("h %d m %d s %d ms %03d d %d m %d y %d\n",
//tms.tm_hour, tms.tm_min, tms.tm_sec, msecs,
//tms.tm_mday, tms.tm_mon+1, tms.tm_year+1900);
tv->tv_sec = mktime(&tms);
tv->tv_usec = msecs * 1000;
if (tv->tv_sec < 0)
return 1;