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38 lines
836 B
C++
38 lines
836 B
C++
#pragma once
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#include <cerrno>
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#include <cstdarg>
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#include <cstring>
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enum {
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L_DEBUG,
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L_INFO,
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L_WARN,
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L_ERR
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};
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struct log_callback {
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int (*d)(const char* fmt, va_list ap);
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int (*i)(const char* fmt, va_list ap);
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int (*w)(const char* fmt, va_list ap);
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int (*e)(const char* fmt, va_list ap);
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void (*ex)(int code);
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};
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extern log_callback log_cb;
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#define LOGD(...) log_handler<L_DEBUG>(__VA_ARGS__)
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#define LOGI(...) log_handler<L_INFO>(__VA_ARGS__)
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#define LOGW(...) log_handler<L_WARN>(__VA_ARGS__)
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#define LOGE(...) log_handler<L_ERR>(__VA_ARGS__)
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#define PLOGE(fmt, args...) LOGE(fmt " failed with %d: %s\n", ##args, errno, std::strerror(errno))
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int nop_log(const char *, va_list);
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void nop_ex(int);
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void no_logging();
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void cmdline_logging();
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template<int type>
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void log_handler(const char *fmt, ...) __printflike(1, 2);
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