几个C/C++语言log宏定义

[code type="c"]
/*******************/
#define log_printf(ls, fn, ln, yorn, ... ) do { \r
char log[2560] = {0}; \r
snprintf(log, sizeof(log), __VA_ARGS__ ); \r
fn != NULL ? fprintf(stdout, "%s %s at %s on line %d.
%s
", ls, __FUNCTION__, fn , ln, log) : fprintf(stdout, "%s %s
%s
", ls, __FUNCTION__, log) ; \r
yorn == 'y' ? (1==1) : (1==1) ; \r
}while(0);

#define log_error( ... ) log_printf("Error:", __FILE__, __LINE__, 'n', __VA_ARGS__ )
#ifndef NDEBUG
#define log_debug( ... ) log_printf("Debug:", __FILE__, __LINE__, 'n', __VA_ARGS__ )
#else
#define log_debug( ... ) do {} while(0);
#endif
#define log_fetal( ... ) log_printf("Fetal:", __FILE__, __LINE__, 'y', __VA_ARGS__ )
#define qlog( ... ) log_printf("Info:", (char*)0, 0, 'n', __VA_ARGS__ )
/************* log end ********/
[/code]