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28 lines
673 B
C++
28 lines
673 B
C++
#include <cstdarg>
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#include <iostream>
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#include <vector>
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#include "application/log.h"
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void Log::log(LogLevel level, const std::string &fmt, ...)
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{
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if (level > this->level)
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return;
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va_list args;
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// First va_start: count how many characters are needed for formatting
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va_start(args, fmt);
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size_t len = std::vsnprintf(NULL, 0, fmt.c_str(), args);
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va_end(args);
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std::vector<char> buf(len + 1);
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// Second va_start: actually write formatted message to buffer
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va_start(args, fmt);
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std::vsnprintf(&buf[0], len + 1, fmt.c_str(), args);
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va_end(args);
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std::cout << this->_getLabel(level) << " " << &buf[0] << std::endl;
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}
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