Magisk/native/jni/utils/logging.hpp

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#pragma once
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#include <cerrno>
#include <cstdarg>
#include <cstring>
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enum {
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L_DEBUG,
L_INFO,
L_WARN,
L_ERR
};
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struct log_callback {
int (*d)(const char* fmt, va_list ap);
int (*i)(const char* fmt, va_list ap);
int (*w)(const char* fmt, va_list ap);
int (*e)(const char* fmt, va_list ap);
void (*ex)(int code);
};
extern log_callback log_cb;
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#define LOGD(...) log_handler<L_DEBUG>(__VA_ARGS__)
#define LOGI(...) log_handler<L_INFO>(__VA_ARGS__)
#define LOGW(...) log_handler<L_WARN>(__VA_ARGS__)
#define LOGE(...) log_handler<L_ERR>(__VA_ARGS__)
#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);
void nop_ex(int);
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void no_logging();
void cmdline_logging();
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template<int type>
void log_handler(const char *fmt, ...) __printflike(1, 2);