time/Convert: add `pure` attributes

This commit is contained in:
Max Kellermann 2019-05-08 16:08:54 +02:00
parent e9af692973
commit e7411c0c4b
1 changed files with 4 additions and 0 deletions

View File

@ -33,6 +33,8 @@
#ifndef TIME_CONVERT_HXX
#define TIME_CONVERT_HXX
#include "util/Compiler.h"
#include <chrono>
/**
@ -52,6 +54,7 @@ LocalTime(std::chrono::system_clock::time_point tp);
/**
* Convert a UTC-based "struct tm" to a UTC-based time point.
*/
gcc_pure
std::chrono::system_clock::time_point
TimeGm(struct tm &tm);
@ -60,6 +63,7 @@ TimeGm(struct tm &tm);
/**
* Convert a local "struct tm" to a UTC-based time point.
*/
gcc_pure
std::chrono::system_clock::time_point
MakeTime(struct tm &tm);