diff -r a10ba529ae39 -r 7728d6ec3abf src/log.h --- a/src/log.h Wed May 27 23:07:00 2009 +0300 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,153 +0,0 @@ -#ifndef LOG_H -#define LOG_H - -/** @file log.h - * - * Local logging functions - */ -#include "error.h" -#include - -/** - * Log level definitions - * - * XXX: these names conflict with - */ -enum log_level { - LOG_DEBUG, - LOG_INFO, - LOG_WARN, - LOG_ERROR, - LOG_FATAL, -}; - -/** - * List of log_level values as strings, NULL-terminated - */ -extern const char *log_level_names[]; - -/** - * The default log level - */ -#define LOG_LEVEL_DEFAULT LOG_INFO - -/** - * Maximum length of a log message, including terminating NUL - */ -#define LOG_MSG_MAX 1024 - -/** - * Log output function, for displaying a line of text, without any trailing newline. - */ -typedef void (*log_output_func) (const char *line, void *arg); - -/** - * Set the current log level to filter out messages below the given level - */ -void set_log_level (enum log_level level); - -/** - * Set the current log output function, replacing any default or previous value. - * - * Pass in func as NULL to revert to the default handler. - */ -void log_set_func (log_output_func func, void *arg); - -/** - * Internal logging func, meant for using custom level tags. This performs the filtering of log levels. - * - * Format the full output line, and pass it to the log_output_func. The line will be of the form: - * "[] : [ ]" - */ -void log_output_tag (enum log_level level, const char *tag, const char *func, const char *user_fmt, va_list user_fmtargs, const char *log_fmt, ...) - __attribute__ ((format (printf, 6, 7))); - -/** - * va_list version of log_output_tag - */ -void log_output_tag_va (enum log_level level, const char *tag, const char *func, const char *user_fmt, va_list user_fmtargs, const char *log_fmt, va_list log_fmtargs); - -/** - * Log a message with the given level - */ -#define log_msg(level, ...) _log_msg(level, __func__, __VA_ARGS__) -void _log_msg (enum log_level level, const char *func, const char *format, ...) - __attribute__ ((format (printf, 3, 4))); - -/** - * Log a message with the given level with the given format and varargs - */ -#define log_msg_va2(level, fmt1, vargs1, fmt2, vargs2) _log_msg_va(level, __func__, fmt1, vargs1, fmt2, vargs2) -void _log_msg_va2 (enum log_level level, const char *func, const char *fmt1, va_list fmtargs1, const char *fmt2, va_list fmtargs2); - - -/** - * Shorthand for log_msg - */ -#define log_debug(...) log_msg(LOG_DEBUG, __VA_ARGS__) -#define log_info(...) log_msg(LOG_INFO, __VA_ARGS__) -#define log_warn(...) log_msg(LOG_WARN, __VA_ARGS__) -/* #define log_error(...) log_msg(LOG_ERROR, __func__, __VA_ARGS__) */ -#define log_fatal(...) log_msg(LOG_FATAL, __VA_ARGS__) - -/** - * Log a message with the given level, appending the formatted error code name - */ -#define log_err(err_code, ...) _log_err(LOG_ERROR, err_code, __func__, __VA_ARGS__) -#define log_warn_err(err_code, ...) _log_err(LOG_WARN, err_code, __func__, __VA_ARGS__) -void _log_err (enum log_level level, err_t err, const char *func, const char *format, ...) - __attribute__ ((format (printf, 4, 5))); - -/** - * Log a message with the given level, appending the formatted error message - */ -#define log_error(err_info, ...) _log_error(LOG_ERROR, err_info, __func__, __VA_ARGS__) -#define log_warn_error(err_info, ...) _log_error(LOG_WARN, err_info, __func__, __VA_ARGS__) -void _log_error (enum log_level level, const error_t *err, const char *func, const char *format, ...) - __attribute__ ((format (printf, 4, 5))); - -/** - * Log using errno. - */ -#define log_perr(...) _log_perr(LOG_ERROR, __func__, __VA_ARGS__) -void _log_perr (enum log_level level, const char *func, const char *format, ...) - __attribute__ ((format (printf, 3, 4))); - -/** - * Log with an [EXIT] tag at given level, and then exit with given exit code - */ -#define log_exit(level, exit_code, ...) _log_exit(level, exit_code, __func__, __VA_ARGS__) -void _log_exit (enum log_level level, int exit_code, const char *func, const char *format, ...) - __attribute__ ((format (printf, 4, 5))) - __attribute__ ((noreturn)); - - -/** - * log_fatal + exit failure - */ -#define FATAL(...) do { log_fatal(__VA_ARGS__); abort(); } while (0) - -/** - * log_err + exit failure - */ -#define FATAL_ERR(err_code, ...) do { _log_err(LOG_FATAL, err_code, __func__, __VA_ARGS__); abort(); } while (0) - -/** - * log_err_info + exit failure - */ -#define FATAL_ERROR(err_info, ...) do { _log_error(LOG_FATAL, err_info, __func__, __VA_ARGS__); abort(); } while (0) - -/** - * log_perr + exit failure - */ -#define FATAL_PERROR(...) do { _log_perr(LOG_FATAL, __func__, __VA_ARGS__); abort(); } while (0) - -/** - * Exit with given code, also logging a message at LOG_INFO with anĀ [EXIT] tag - */ -#define EXIT_INFO(exit_code, ...) log_exit(LOG_INFO, exit_code, __VA_ARGS__) -#define EXIT_WARN(exit_code, ...) log_exit(LOG_WARN, exit_code, __VA_ARGS__) -#define EXIT_ERROR(exit_code, ...) log_exit(LOG_ERROR, exit_code, __VA_ARGS__) -#define EXIT_FATAL(exit_code, ...) log_exit(LOG_FATAL, exit_code, __VA_ARGS__) - -#endif /* LOG_H */