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In log.c we use a macro to define logging functions for each of 4 priority levels. The only difference between these is the priority we pass to vsyslog() and similar functions. Because it's done as a macro, however, the entire functions code is included in the binary 4 times. Rearrange this to take the priority level as a parameter to a regular function, then just use macros to define trivial wrappers which pass the priority level. This saves about 600 bytes of text in the executable (x86, non-AVX2). Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright (c) 2022 Red Hat GmbH
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* Author: Stefano Brivio <sbrivio@redhat.com>
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*/
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#ifndef LOG_H
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#define LOG_H
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#include <syslog.h>
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#define LOGFILE_SIZE_DEFAULT (1024 * 1024UL)
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#define LOGFILE_CUT_RATIO 30 /* When full, cut ~30% size */
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#define LOGFILE_SIZE_MIN (5UL * MAX(BUFSIZ, PAGE_SIZE))
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void logmsg(int pri, const char *format, ...);
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#define err(...) logmsg(LOG_ERR, __VA_ARGS__)
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#define warn(...) logmsg(LOG_WARNING, __VA_ARGS__)
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#define info(...) logmsg(LOG_INFO, __VA_ARGS__)
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#define debug(...) logmsg(LOG_DEBUG, __VA_ARGS__)
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#define die(...) \
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do { \
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err(__VA_ARGS__); \
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exit(EXIT_FAILURE); \
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} while (0)
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extern int log_trace;
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extern int log_to_stdout;
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void trace_init(int enable);
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#define trace(...) \
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do { \
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if (log_trace) \
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debug(__VA_ARGS__); \
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} while (0)
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void __openlog(const char *ident, int option, int facility);
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void logfile_init(const char *name, const char *path, size_t size);
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void passt_vsyslog(int pri, const char *format, va_list ap);
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void logfile_write(int pri, const char *format, va_list ap);
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void __setlogmask(int mask);
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#endif /* LOG_H */
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