terom@8: #ifndef LIB_LOG_H
terom@8: #define LIB_LOG_H
terom@1: 
terom@1: /*
terom@1:  * error handling
terom@1:  */
terom@1: 
terom@1: void _generic_err ( /*int level, */ int use_stderr, const char *func, int perr, const char *fmt, ...)
terom@1:         __attribute__ ((format (printf, 4, 5)));
terom@1: 
terom@1: // needs to be defined as its own function for the noreturn attribute
terom@1: void _generic_err_exit ( /* int level, */ int used_stderr, const char *func, int perr, const char *fmt, ...)
terom@1:         __attribute__ ((format (printf, 4, 5)))
terom@1:         __attribute__ ((noreturn));
terom@1: 
terom@1: enum _debug_level {
terom@1:     DEBUG_FATAL,
terom@1:     DEBUG_ERROR,
terom@1:     DEBUG_WARNING,
terom@1:     DEBUG_INFO,
terom@1:     DEBUG_DEBUG,
terom@1: };
terom@1: 
terom@1: // not currently used
terom@1: extern enum _debug_level _cur_debug_level;
terom@1: 
terom@1: // various kinds of ways to handle an error, 2**3 of them, *g*
terom@1: #define info(...)                   _generic_err(       0,  NULL,   0,  __VA_ARGS__ )
terom@1: #define error(...)                  _generic_err(       1,  NULL,   0,  __VA_ARGS__ )
terom@1: #define err_exit(...)               _generic_err_exit(  1,  NULL,   0,  __VA_ARGS__ )
terom@1: #define perr(...)                   _generic_err(       1,  NULL,   1,  __VA_ARGS__ )
terom@1: #define perr_exit(...)              _generic_err_exit(  1,  NULL,   1,  __VA_ARGS__ )
terom@1: #define err_func(func, ...)         _generic_err(       1,  func,   0,  __VA_ARGS__ )
terom@1: #define err_func_exit(func, ...)    _generic_err_exit(  1,  func,   0,  __VA_ARGS__ )
terom@1: #define perr_func(func, ...)        _generic_err(       1,  func,   1,  __VA_ARGS__ )
terom@1: #define perr_func_exit(func, ...)   _generic_err_exit(  1,  func,   1,  __VA_ARGS__ )
terom@2: #define eerr_func(func, err, ...)   _generic_err(       1,  func,   err,__VA_ARGS__ )
terom@1: 
terom@2: /*
terom@8:  * Legacy...
terom@2:  */
terom@8: #include "error.h"
terom@8: 
terom@1: #define WARNING(...) err_func(__func__, __VA_ARGS__)
terom@1: #define PWARNING(...) perr_func(__func__, __VA_ARGS__)
terom@2: #define EWARNING(err, ...) eerr_func(__func__, (err), __VA_ARGS__)
terom@1: 
terom@1: #ifdef DEBUG_ENABLED
terom@1: #define DEBUG(...) err_func(__func__, __VA_ARGS__)
terom@1: #else
terom@1: #define DEBUG(...) (void) (0)
terom@1: #endif
terom@1: 
terom@1: // default is to enable INFO
terom@1: #ifdef INFO_DISABLED
terom@1:     #define INFO_ENABLED 0
terom@1: #else
terom@1:     #ifndef INFO_ENABLED
terom@1:         #define INFO_ENABLED 1
terom@1:     #endif
terom@1: #endif
terom@1: 
terom@1: #if INFO_ENABLED
terom@1: #define INFO(...) info(__VA_ARGS__)
terom@1: #else
terom@1: #define INFO(...) (void) (0)
terom@1: #endif
terom@1: 
terom@8: #endif /* LIB_LOG_H */