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/* libmisc/log.h - stdio logging
*
* Copyright (C) 2024 Luke T. Shumaker <lukeshu@lukeshu.com>
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
#ifndef _LIBMISC_LOG_H_
#define _LIBMISC_LOG_H_
#ifndef LOG_NAME
#error "each compilation unit that includes <libmisc/log.h> must define LOG_NAME"
#endif
#ifdef NDEBUG
#define _LOG_NDEBUG 1
#else
#define _LOG_NDEBUG 0
#endif
#define __LOG_STR(x) #x
#define _LOG_STR(x) __LOG_STR(x)
#define __LOG_CAT3(a, b, c) a ## b ## c
#define _LOG_CAT3(a, b, c) __LOG_CAT3(a, b, c)
[[format(printf, 1, 2)]] int _log_printf(const char *format, ...);
#define errorf(fmt, ...) do { _log_printf("error: " _LOG_STR(LOG_NAME) ": " fmt "\n" __VA_OPT__(,) __VA_ARGS__); } while (0)
#define infof(fmt, ...) do { _log_printf("info : " _LOG_STR(LOG_NAME) ": " fmt "\n" __VA_OPT__(,) __VA_ARGS__); } while (0)
#define debugf(fmt, ...) do { if (_LOG_CAT3(CONFIG_, LOG_NAME, _DEBUG) && !_LOG_NDEBUG) \
_log_printf("debug: " _LOG_STR(LOG_NAME) ": " fmt "\n" __VA_OPT__(,) __VA_ARGS__); } while (0)
#endif /* _LIBMISC_LOG_H_ */
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