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Merge pull request #2555 from taosdata/feature/debug-print-time 

add function 'fmtts' to make debugging easier
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Shengliang Guan 2020-07-03 18:08:59 +08:00 committed by GitHub
parent fb951a3762 371321743d
commit af02707903
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1 changed files with 31 additions and 0 deletions
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src/util/src/ttime.c
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@ -374,3 +374,34 @@ int32_t getTimestampInUsFromStr(char* token, int32_t tokenlen, int64_t* ts) {
return getTimestampInUsFromStrImpl(timestamp, token[tokenlen - 1], ts);
}
// internal function, when program is paused in debugger,
// one can call this function from debugger to print a
// timestamp as human readable string, for example (gdb):
// p fmtts(1593769722)
// outputs:
// 2020-07-03 17:48:42
// and the parameter can also be a variable.
const char* fmtts(int64_t ts) {
static char buf[32];
time_t tt;
if (ts > -62135625943 && ts < 32503651200) {
tt = ts;
} else if (ts > -62135625943000 && ts < 32503651200000) {
tt = ts / 1000;
} else {
tt = ts / 1000000;
}
struct tm* ptm = localtime(&tt);
size_t pos = strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", ptm);
if (ts <= -62135625943000 || ts >= 32503651200000) {
sprintf(buf + pos, ".%06d", (int)(ts % 1000000));
} else if (ts <= -62135625943 || ts >= 32503651200) {
sprintf(buf + pos, ".%03d", (int)(ts % 1000));
}
return buf;
}