nuclear@0: #ifndef LOGGER_H_
nuclear@0: #define LOGGER_H_
nuclear@0: 
nuclear@0: #include <stdio.h>
nuclear@0: #include <stdarg.h>
nuclear@0: 
nuclear@0: enum {
nuclear@0: 	LOG_INFO		= 1,
nuclear@0: 	LOG_WARNING		= 2,
nuclear@0: 	LOG_ERROR		= 4,
nuclear@0: 	LOG_DEBUG		= 8
nuclear@0: };
nuclear@0: 
nuclear@0: #ifdef __cplusplus
nuclear@0: extern "C" {
nuclear@0: #endif
nuclear@0: 
nuclear@0: /* Clear log outputs. Initially info/debug messages go to stdout, and
nuclear@0:  * warning/error messages to stderr.
nuclear@0:  */
nuclear@0: void log_clear_targets(void);
nuclear@0: 
nuclear@0: /* set logging outputs for any combination of message types.
nuclear@0:  * type_mask expects a bitmask.
nuclear@0:  */
nuclear@0: int log_add_stream(unsigned int type_mask, FILE *fp);
nuclear@0: int log_add_file(unsigned int type_mask, const char *fname);
nuclear@0: int log_add_func(unsigned int type_mask, void (*func)(const char*, void*), void *cls);
nuclear@0: 
nuclear@0: void log_msg(unsigned int type, const char *fmt, ...);
nuclear@0: /* log_msg helpers */
nuclear@0: void log_info(const char *fmt, ...);
nuclear@0: void log_warning(const char *fmt, ...);
nuclear@0: void log_error(const char *fmt, ...);
nuclear@0: void log_debug(const char *fmt, ...);
nuclear@0: 
nuclear@0: void log_va_msg(unsigned int type, const char *fmt, va_list va);
nuclear@0: /* log_va_msg helpers */
nuclear@0: void log_va_info(const char *fmt, va_list ap);
nuclear@0: void log_va_warning(const char *fmt, va_list ap);
nuclear@0: void log_va_error(const char *fmt, va_list ap);
nuclear@0: void log_va_debug(const char *fmt, va_list ap);
nuclear@0: 
nuclear@0: /* Intercept stdout/stderr and handle them through the logger. stdout as an
nuclear@0:  * info log, and stderr as an error log. This only works on UNIX.
nuclear@0:  */
nuclear@0: void log_grab_stdout(void);
nuclear@0: void log_grab_stderr(void);
nuclear@0: 
nuclear@0: #ifdef __cplusplus
nuclear@0: }
nuclear@0: #endif
nuclear@0: 
nuclear@0: #endif	/* LOGGER_H_ */