summaryrefslogtreecommitdiff
path: root/include/log.h
blob: eaa265acf88ae272f347bd9d3072d0e0003a5dd4 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
#ifndef _SWAYBG_LOG_H
#define _SWAYBG_LOG_H

#include <stdarg.h>
#include <string.h>
#include <errno.h>

enum log_importance {
	LOG_SILENT = 0,
	LOG_ERROR = 1,
	LOG_INFO = 2,
	LOG_DEBUG = 3,
	LOG_IMPORTANCE_LAST,
};

void swaybg_log_init(enum log_importance verbosity);

#ifdef __GNUC__
#define _ATTRIB_PRINTF(start, end) __attribute__((format(printf, start, end)))
#else
#define _ATTRIB_PRINTF(start, end)
#endif

void _swaybg_log(enum log_importance verbosity, const char *format, ...)
	_ATTRIB_PRINTF(2, 3);

const char *_swaybg_strip_path(const char *filepath);

#define swaybg_log(verb, fmt, ...) \
	_swaybg_log(verb, "[%s:%d] " fmt, _swaybg_strip_path(__FILE__), \
			__LINE__, ##__VA_ARGS__)

#define swaybg_log_errno(verb, fmt, ...) \
	swaybg_log(verb, fmt ": %s", ##__VA_ARGS__, strerror(errno))

#endif