base_log.h

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#ifndef BASE_LOG_H
#define BASE_LOG_H
 
#include "base_macros.h"
#include "base_types.h"
#include <stdarg.h>
#include <stdio.h>
 
C_LINKAGE_BEGIN


typedef enum LogLevel {
    LOG_LEVEL_TRACE, 
    LOG_LEVEL_DEBUG, 
    LOG_LEVEL_INFO,  
    LOG_LEVEL_WARN,  
    LOG_LEVEL_ERROR, 
    LOG_LEVEL_FATAL, 
    LOG_LEVEL_COUNT
} LogLevel;

typedef struct LogEvent {
    va_list     ap;    
    const char *fmt;   
    const char *file;  
    int     line;  
    LogLevel    level; 
} LogEvent;

typedef void (*LogFn)(LogEvent *ev, void *user_data);

typedef void (*LogLockFn)(void *user_data, b32 lock);

void
log_set_level(LogLevel level);

void
log_set_quiet(b32 enable);

void
log_set_lock(LogLockFn fn, void *user_data);

b32
log_add_fp(FILE *fp, LogLevel min_level);

b32
log_add_callback(LogFn fn, void *user_data, LogLevel min_level);

void
log_message(LogLevel level, const char *file, int line, const char *fmt, ...);

 
// Public Logging Macros

#define LOG_TRACE(...) log_message(LOG_LEVEL_TRACE, __FILE__, __LINE__, __VA_ARGS__)
#define LOG_DEBUG(...) log_message(LOG_LEVEL_DEBUG, __FILE__, __LINE__, __VA_ARGS__)
#define LOG_INFO(...) log_message(LOG_LEVEL_INFO, __FILE__, __LINE__, __VA_ARGS__)
#define LOG_WARN(...) log_message(LOG_LEVEL_WARN, __FILE__, __LINE__, __VA_ARGS__)
#define LOG_ERROR(...) log_message(LOG_LEVEL_ERROR, __FILE__, __LINE__, __VA_ARGS__)
#define LOG_FATAL(...) log_message(LOG_LEVEL_FATAL, __FILE__, __LINE__, __VA_ARGS__)
 
C_LINKAGE_END
 
#endif // BASE_LOG_H