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#ifndef REVELA_LOG_H
#define REVELA_LOG_H
#include <errno.h>
#include <string.h>
enum log_level {
LOG_SILENT,
LOG_FATAL,
LOG_ERROR,
LOG_INFO,
LOG_DETAIL,
LOG_DEBUG,
};
#ifdef DEBUG
static const char *log_level_names[] = {
"",
"FATAL",
"ERROR",
"INFO",
"DETAIL",
"DEBUG",
};
#endif
void log_set_verbosity(enum log_level);
void log_printf(enum log_level, const char *restrict fmt, ...);
#ifdef DEBUG
#define log_print(v, fmt, ...) \
log_printf(v, "[%s] %s:%d " fmt, log_level_names[v], \
__FILE__, __LINE__, ##__VA_ARGS__)
#else
#define log_print(v, fmt, ...) \
log_printf(v, fmt, ##__VA_ARGS__)
#endif
#ifdef DEBUG
#define log_printl(v, fmt, ...) \
log_printf(v, "[%s] %s:%d " fmt "\n", log_level_names[v], \
__FILE__, __LINE__, ##__VA_ARGS__)
#else
#define log_printl(v, fmt, ...) \
log_printf(v, fmt "\n", ##__VA_ARGS__)
#endif
#ifdef DEBUG
#define log_printl_errno(v, fmt, ...) \
log_printf(v, "[%s] %s:%d " fmt ": %s\n", log_level_names[v], \
__FILE__, __LINE__, ##__VA_ARGS__, strerror(errno))
#else
#define log_printl_errno(v, fmt, ...) \
log_printf(v, fmt ": %s\n", ##__VA_ARGS__, strerror(errno))
#endif
#endif
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