c6c594596e
{error,warn}_report_once() are a special case of the new functions
and can simply switch to them.
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20180830145902.27376-3-cohuck@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Dispense with unlikely() to keep the macros as simple as possible]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
78 lines
2.6 KiB
C
78 lines
2.6 KiB
C
/*
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* Error reporting
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*
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* Copyright (C) 2010 Red Hat Inc.
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*
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* Authors:
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* Markus Armbruster <armbru@redhat.com>,
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#ifndef QEMU_ERROR_REPORT_H
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#define QEMU_ERROR_REPORT_H
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typedef struct Location {
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/* all members are private to qemu-error.c */
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enum { LOC_NONE, LOC_CMDLINE, LOC_FILE } kind;
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int num;
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const void *ptr;
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struct Location *prev;
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} Location;
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Location *loc_push_restore(Location *loc);
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Location *loc_push_none(Location *loc);
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Location *loc_pop(Location *loc);
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Location *loc_save(Location *loc);
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void loc_restore(Location *loc);
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void loc_set_none(void);
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void loc_set_cmdline(char **argv, int idx, int cnt);
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void loc_set_file(const char *fname, int lno);
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void error_vprintf(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0);
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void error_printf(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
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void error_vprintf_unless_qmp(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0);
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void error_printf_unless_qmp(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
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void error_set_progname(const char *argv0);
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void error_vreport(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0);
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void warn_vreport(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0);
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void info_vreport(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0);
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void error_report(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
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void warn_report(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
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void info_report(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
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bool error_report_once_cond(bool *printed, const char *fmt, ...)
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GCC_FMT_ATTR(2, 3);
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bool warn_report_once_cond(bool *printed, const char *fmt, ...)
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GCC_FMT_ATTR(2, 3);
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/*
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* Similar to error_report(), except it prints the message just once.
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* Return true when it prints, false otherwise.
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*/
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#define error_report_once(fmt, ...) \
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({ \
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static bool print_once_; \
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error_report_once_cond(&print_once_, \
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fmt, ##__VA_ARGS__); \
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})
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/*
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* Similar to warn_report(), except it prints the message just once.
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* Return true when it prints, false otherwise.
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*/
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#define warn_report_once(fmt, ...) \
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({ \
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static bool print_once_; \
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warn_report_once_cond(&print_once_, \
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fmt, ##__VA_ARGS__); \
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})
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const char *error_get_progname(void);
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extern bool enable_timestamp_msg;
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#endif
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