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3c6d1b9bb2
Erik suggests that this makes it easier to grep for options, and with --help we're anyway printing usage information as expected, not as part of an error report. While at it: on -h, we should exit with 0. Reported-by: Erik Sjölund <erik.sjolund@gmail.com> Link: https://bugs.passt.top/show_bug.cgi?id=52 Link: https://bugs.passt.top/show_bug.cgi?id=53 Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
40 lines
1.0 KiB
C
40 lines
1.0 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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#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 err(const char *format, ...);
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void warn(const char *format, ...);
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void info(const char *format, ...);
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void debug(const char *format, ...);
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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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