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Merge pull request #1101 from gaul/gmtime

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Avoid race when using thread-unsafe gmtime
This commit is contained in:
Takeshi Nakatani 2019-07-17 22:17:18 +09:00 committed by GitHub
commit 0afef077ed
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1 changed files with 6 additions and 3 deletions
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9
src/string_util.cpp
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@ -234,7 +234,8 @@ string get_date_rfc850()
{
char buf[100];
time_t t = time(NULL);
strftime(buf, sizeof(buf), "%a, %d %b %Y %H:%M:%S GMT", gmtime(&t));
struct tm res;
strftime(buf, sizeof(buf), "%a, %d %b %Y %H:%M:%S GMT", gmtime_r(&t, &res));
return buf;
}
@ -248,14 +249,16 @@ void get_date_sigv3(string& date, string& date8601)
string get_date_string(time_t tm)
{
char buf[100];
strftime(buf, sizeof(buf), "%Y%m%d", gmtime(&tm));
struct tm res;
strftime(buf, sizeof(buf), "%Y%m%d", gmtime_r(&tm, &res));
return buf;
}
string get_date_iso8601(time_t tm)
{
char buf[100];
strftime(buf, sizeof(buf), "%Y%m%dT%H%M%SZ", gmtime(&tm));
struct tm res;
strftime(buf, sizeof(buf), "%Y%m%dT%H%M%SZ", gmtime_r(&tm, &res));
return buf;
}