/usr/include/evolution-data-server-3.2/libedataserver/e-debug-log.h is in libedataserver1.2-dev 3.2.3-0ubuntu7.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 *  e-debug-log.h: Ring buffer for logging debug messages
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU Lesser General Public
 * License as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 * Author: Federico Mena-Quintero <federico@novell.com>
 */
#ifndef E_DEBUG_LOG_H
#define E_DEBUG_LOG_H
#include <glib.h>
/**
 * E_DEBUG_LOG_DOMAIN_USER:
 *
 * Since: 2.32
 **/
#define E_DEBUG_LOG_DOMAIN_USER "USER" /* always enabled */
/**
 * E_DEBUG_LOG_DOMAIN_GLOG:
 *
 * Since: 2.32
 **/
#define E_DEBUG_LOG_DOMAIN_GLOG "GLog" /* used for GLog messages; don't use it yourself */
/**
 * E_DEBUG_LOG_DOMAIN_CAL_QUERIES:
 *
 * Since: 2.32
 **/
#define E_DEBUG_LOG_DOMAIN_CAL_QUERIES "CalQueries" /* used for calendar queries analysis */
G_BEGIN_DECLS
void		e_debug_log			(gboolean is_milestone,
						 const gchar *domain,
						 const gchar *format,
						 ...);
void		e_debug_logv			(gboolean is_milestone,
						 const gchar *domain,
						 const gchar *format,
						 va_list args);
gboolean	e_debug_log_load_configuration	(const gchar *filename,
						 GError **error);
void		e_debug_log_enable_domains	(const gchar **domains,
						 gint n_domains);
void		e_debug_log_disable_domains	(const gchar **domains,
						 gint n_domains);
gboolean	e_debug_log_is_domain_enabled	(const gchar *domain);
gboolean	e_debug_log_dump		(const gchar *filename,
						 GError **error);
gboolean	e_debug_log_dump_to_dated_file	(GError **error);
void		e_debug_log_set_max_lines	(gint num_lines);
gint		e_debug_log_get_max_lines	(void);
/* For testing only */
void		e_debug_log_clear		(void);
G_END_DECLS
#endif /* E_DEBUG_LOG_H */
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