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try to prevent optimizer to remove null sink code altogether

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This commit is contained in:
gabime 2019-07-17 14:38:01 +03:00
parent a7c06eadd0
commit 1f3dea60d3
1 changed files with 11 additions and 1 deletions
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12
include/spdlog/sinks/null_sink.h
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@ -8,6 +8,7 @@
#include "spdlog/details/synchronous_factory.h"
#include <mutex>
#include <stdio.h>
namespace spdlog {
namespace sinks {
@ -16,7 +17,16 @@ template<typename Mutex>
class null_sink : public base_sink<Mutex>
{
protected:
void sink_it_(const details::log_msg &) override {}
void sink_it_(const details::log_msg &msg) override
{
// prevent optimizer to remove this sink altogether (and do useful check while at it).
if(msg.level == level::off)
{
printf("Should never not be called if level is off!\n");
}
assert(msg.level != level::off);
}
void flush_() override {}
};