71 lines
2.0 KiB
C
71 lines
2.0 KiB
C
/**
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* Copyright (c) 2020 rxi
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the MIT license. See `log.c` for details.
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*/
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#ifndef LOG_H
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#define LOG_H
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#include <stdio.h>
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#include <stdarg.h>
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#include <stdbool.h>
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#include <time.h>
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#define LOG_VERSION "0.1.0"
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#ifndef RXI_LOGC_DEFAULT_LEVEL
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# define RXI_LOGC_DEFAULT_LEVEL 0
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#endif
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#if defined __GNUC__
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# define RXI_LOGC_PRINTF_ATTRIB(n, m) __attribute__((format(printf, n, m)))
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#else
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# define RXI_LOGC_PRINTF_ATTRIB(n, m)
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#endif
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typedef struct {
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va_list ap;
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const char *fmt;
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const char *file;
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struct tm *time;
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void *udata;
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int line;
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int level;
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} log_Event;
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typedef void (*log_LogFn)(log_Event *ev);
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typedef void (*log_LockFn)(bool lock, void *udata);
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enum {
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LOG_DEBUG = -10,
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LOG_TRACE = 0,
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LOG_INFO = 32,
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LOG_WARN = 64,
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LOG_ERROR = 96,
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LOG_FATAL = 128,
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};
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#define log_debug(...) do { if (LOG_DEBUG >= RXI_LOGC_DEFAULT_LEVEL) log_log(LOG_DEBUG, __FILE__, __LINE__, __VA_ARGS__) } while(0)
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#define log_trace(...) do { if (LOG_TRACE >= RXI_LOGC_DEFAULT_LEVEL) log_log(LOG_TRACE, __FILE__, __LINE__, __VA_ARGS__) } while(0)
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#define log_info(...) do { if (LOG_INFO >= RXI_LOGC_DEFAULT_LEVEL) log_log(LOG_INFO, __FILE__, __LINE__, __VA_ARGS__) } while(0)
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#define log_warn(...) do { if (LOG_WARN >= RXI_LOGC_DEFAULT_LEVEL) log_log(LOG_WARN, __FILE__, __LINE__, __VA_ARGS__) } while(0)
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#define log_error(...) do { if (LOG_ERROR >= RXI_LOGC_DEFAULT_LEVEL) log_log(LOG_ERROR, __FILE__, __LINE__, __VA_ARGS__) } while(0)
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#define log_fatal(...) do { if (LOG_FATAL >= RXI_LOGC_DEFAULT_LEVEL) log_log(LOG_FATAL, __FILE__, __LINE__, __VA_ARGS__) } while(0)
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const char* log_level_string(int level);
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void log_set_lock(log_LockFn fn, void *udata);
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void log_set_level(int level);
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void log_set_quiet(bool enable);
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int log_add_callback(log_LogFn fn, void *udata, int level);
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int log_add_fp(FILE *fp, int level);
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void log_log(int level, const char *file, int line, const char *fmt, ...) RXI_LOGC_PRINTF_ATTRIB(4, 5);
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#endif
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