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Calculate timestamp lengths only once

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The lengths will never change.
This commit is contained in:
Markus Mäkelä
2018-08-15 23:39:56 +03:00
parent 6aff79e634
commit f82c965bfb
1 changed files with 6 additions and 6 deletions
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12
server/core/log_manager.cc
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@ -360,9 +360,9 @@ std::string get_timestamp(void)
struct tm tm;
localtime_r(&t, &tm);
const char* timestamp_formatstr = "%04d-%02d-%02d %02d:%02d:%02d ";
int required = snprintf(NULL, 0, timestamp_formatstr,
tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour,
tm.tm_min, tm.tm_sec);
static int required = snprintf(NULL, 0, timestamp_formatstr,
tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour,
tm.tm_min, tm.tm_sec);
char buf[required + 1];
snprintf(buf, sizeof(buf), timestamp_formatstr,
@ -381,9 +381,9 @@ std::string get_timestamp_hp(void)
int usec = tv.tv_usec / 1000;
const char* timestamp_formatstr_hp = "%04d-%02d-%02d %02d:%02d:%02d.%03d ";
int required = snprintf(NULL, 0, timestamp_formatstr_hp,
tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
tm.tm_hour, tm.tm_min, tm.tm_sec, usec);
static int required = snprintf(NULL, 0, timestamp_formatstr_hp,
tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
tm.tm_hour, tm.tm_min, tm.tm_sec, usec);
char buf[required + 1];