svlogd.c: support -ttt (dateTtime instead of date_time)

Backport from upstream version:
1.7.0
Sat, 07 Oct 2006 18:24:17 +0000
  * svlogd.c: new option -ttt: prefix log messages with sortable UTC
    timestamp YYYY-MM-DDTHH:MM:SS.xxxxx.

function                                             old     new   delta
svlogd_main                                         1429    1454     +25
packed_usage                                       31575   31580      +5

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2017-05-15 19:12:09 +02:00
parent ed820ccda1
commit 79c0d7332a

View File

@ -137,9 +137,9 @@ log message, you can use a pattern like this instead
//kbuild:lib-$(CONFIG_SVLOGD) += svlogd.o
//usage:#define svlogd_trivial_usage
//usage: "[-ttv] [-r C] [-R CHARS] [-l MATCHLEN] [-b BUFLEN] DIR..."
//usage: "[-tttv] [-r C] [-R CHARS] [-l MATCHLEN] [-b BUFLEN] DIR..."
//usage:#define svlogd_full_usage "\n\n"
//usage: "Continuously read log data from stdin and write to rotated log files in DIRs"
//usage: "Read log data from stdin and write to rotated log files in DIRs"
//usage: "\n"
//usage: "\n""DIR/config file modifies behavior:"
//usage: "\n""sSIZE - when to rotate logs"
@ -339,17 +339,18 @@ static unsigned pmatch(const char *p, const char *s, unsigned len)
/*** ex fmt_ptime.[ch] ***/
/* NUL terminated */
static void fmt_time_human_30nul(char *s)
static void fmt_time_human_30nul(char *s, char dt_delim)
{
struct tm *ptm;
struct timeval tv;
gettimeofday(&tv, NULL);
ptm = gmtime(&tv.tv_sec);
sprintf(s, "%04u-%02u-%02u_%02u:%02u:%02u.%06u000",
sprintf(s, "%04u-%02u-%02u%c%02u:%02u:%02u.%06u000",
(unsigned)(1900 + ptm->tm_year),
(unsigned)(ptm->tm_mon + 1),
(unsigned)(ptm->tm_mday),
dt_delim,
(unsigned)(ptm->tm_hour),
(unsigned)(ptm->tm_min),
(unsigned)(ptm->tm_sec),
@ -1160,8 +1161,8 @@ int svlogd_main(int argc, char **argv)
if (timestamp) {
if (timestamp == 1)
fmt_time_bernstein_25(stamp);
else /* 2: */
fmt_time_human_30nul(stamp);
else /* 2+: */
fmt_time_human_30nul(stamp, timestamp == 2 ? '_' : 'T');
printlen += 26;
printptr -= 26;
memcpy(printptr, stamp, 25);