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42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
#ifndef WLR_UTIL_LOG_H
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#define WLR_UTIL_LOG_H
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#include <stdbool.h>
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#include <stdarg.h>
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#include <string.h>
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#include <errno.h>
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typedef enum {
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L_SILENT = 0,
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L_ERROR = 1,
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L_INFO = 2,
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L_DEBUG = 3,
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L_LAST,
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} log_importance_t;
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typedef void (*log_callback_t)(log_importance_t importance, const char *fmt, va_list args);
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// Will log all messages less than or equal to `verbosity`
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// If `callback` is NULL, wlr will use its default logger.
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void wlr_log_init(log_importance_t verbosity, log_callback_t callback);
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#ifdef __GNUC__
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#define ATTRIB_PRINTF(start, end) __attribute__((format(printf, start, end)))
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#else
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#define ATTRIB_PRINTF(start, end)
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#endif
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void _wlr_log(log_importance_t verbosity, const char *format, ...) ATTRIB_PRINTF(2, 3);
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void _wlr_vlog(log_importance_t verbosity, const char *format, va_list args) ATTRIB_PRINTF(2, 0);
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const char *wlr_strip_path(const char *filepath);
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#define wlr_log(verb, fmt, ...) \
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_wlr_log(verb, "[%s:%d] " fmt, wlr_strip_path(__FILE__), __LINE__, ##__VA_ARGS__)
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#define wlr_vlog(verb, fmt, args) \
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_wlr_vlog(verb, "[%s:%d] " fmt, wlr_strip_path(__FILE__), __LINE__, args)
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#define wlr_log_errno(verb, fmt, ...) \
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wlr_log(verb, fmt ": %s", ##__VA_ARGS__, strerror(errno))
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#endif
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