libliftoff/include/log.h
Simon Ser 61fd4c099a Make liftoff_output_apply return an int
Callers may want to get more details about the failure, in
particular EPERM indicates that the user isn't DRM master (can
happen on VT switch).
2021-07-27 12:28:00 +02:00

20 lines
483 B
C

#ifndef LOG_H
#define LOG_H
#include <stdbool.h>
#include <libliftoff.h>
#ifdef __GNUC__
#define _LIFTOFF_ATTRIB_PRINTF(start, end) __attribute__((format(printf, start, end)))
#else
#define _LIFTOFF_ATTRIB_PRINTF(start, end)
#endif
bool log_has(enum liftoff_log_priority priority);
void liftoff_log(enum liftoff_log_priority priority,
const char *format, ...) _LIFTOFF_ATTRIB_PRINTF(2, 3);
void liftoff_log_errno(enum liftoff_log_priority priority, const char *msg);
#endif