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/* SPDX-License-Identifier: GPL-2.0-or-later
 * Copyright (c) 2022 Red Hat GmbH
 * Author: Stefano Brivio <sbrivio@redhat.com>
 */

#ifndef LOG_H
#define LOG_H

#include <stdbool.h>
#include <syslog.h>

#define LOGFILE_SIZE_DEFAULT		(1024 * 1024UL)
#define LOGFILE_CUT_RATIO		30	/* When full, cut ~30% size */
#define LOGFILE_SIZE_MIN		(5UL * MAX(BUFSIZ, PAGE_SIZE))

void vlogmsg(int pri, const char *format, va_list ap);
void logmsg(int pri, const char *format, ...)
	__attribute__((format(printf, 2, 3)));

#define err(...)	logmsg(LOG_ERR, __VA_ARGS__)
#define warn(...)	logmsg(LOG_WARNING, __VA_ARGS__)
#define info(...)	logmsg(LOG_INFO, __VA_ARGS__)
#define debug(...)	logmsg(LOG_DEBUG, __VA_ARGS__)

#define die(...)							\
	do {								\
		err(__VA_ARGS__);					\
		exit(EXIT_FAILURE);					\
	} while (0)

extern int log_trace;
extern bool log_conf_parsed;
extern bool log_daemon_ready;

void trace_init(int enable);
#define trace(...)							\
	do {								\
		if (log_trace)						\
			debug(__VA_ARGS__);				\
	} while (0)

void __openlog(const char *ident, int option, int facility);
void logfile_init(const char *name, const char *path, size_t size);
void passt_vsyslog(int pri, const char *format, va_list ap);
void logfile_write(int pri, const char *format, va_list ap);
void __setlogmask(int mask);

#endif /* LOG_H */

debug log:

solving 1d6dd1d ...
found 1d6dd1d in https://archives.passt.top/passt-dev/20240618071427.1544869-4-sbrivio@redhat.com/ ||
	https://archives.passt.top/passt-dev/20240619194028.2913930-5-sbrivio@redhat.com/
found 3dab284 in https://passt.top/passt
preparing index
index prepared:
100644 3dab2841f42313dc82458d6f0d4eec477ef54b35	log.h

applying [1/1] https://archives.passt.top/passt-dev/20240618071427.1544869-4-sbrivio@redhat.com/
diff --git a/log.h b/log.h
index 3dab284..1d6dd1d 100644

Checking patch log.h...
Applied patch log.h cleanly.

skipping https://archives.passt.top/passt-dev/20240619194028.2913930-5-sbrivio@redhat.com/ for 1d6dd1d
index at:
100644 1d6dd1de2bb12b36d48e999e6192e23a1a03cdfa	log.h

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