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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* NetworkManager -- Network link manager
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser 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.
*
* (C) Copyright 2015 Red Hat, Inc.
*/
#ifndef __NM_DEFAULT_H__
#define __NM_DEFAULT_H__
/* makefiles define NETWORKMANAGER_COMPILATION for compiling NetworkManager.
* Depending on which parts are compiled, different values are set. */
#define NM_NETWORKMANAGER_COMPILATION_DEFAULT 0x0001
#define NM_NETWORKMANAGER_COMPILATION_INSIDE_DAEMON 0x0002
#define NM_NETWORKMANAGER_COMPILATION_LIB 0x0004
#define NM_NETWORKMANAGER_COMPILATION_SYSTEMD 0x0008
#define NM_NETWORKMANAGER_COMPILATION_LIB_LEGACY 0x0010
#ifndef NETWORKMANAGER_COMPILATION
/* For convenience, we don't require our Makefile.am to define
* -DNETWORKMANAGER_COMPILATION. As we now include this internal header,
* we know we do a NETWORKMANAGER_COMPILATION. */
#define NETWORKMANAGER_COMPILATION NM_NETWORKMANAGER_COMPILATION_DEFAULT
#endif
/*****************************************************************************/
/* always include these headers for our internal source files. */
#ifndef ___CONFIG_H__
#define ___CONFIG_H__
#include <config.h>
#endif
/* for internal compilation we don't want the deprecation macros
* to be in effect. Define the widest range of versions to effectively
* disable deprecation checks */
#define NM_VERSION_MAX_ALLOWED NM_VERSION_NEXT_STABLE
#define NM_VERSION_MIN_REQUIRED NM_VERSION_0_9_8
#ifndef NM_MORE_ASSERTS
#define NM_MORE_ASSERTS 0
#endif
#if NM_MORE_ASSERTS == 0
/* The cast macros like NM_TYPE() are implemented via G_TYPE_CHECK_INSTANCE_CAST()
* and _G_TYPE_CIC(). The latter, by default performs runtime checks of the type
* by calling g_type_check_instance_cast().
* This check has a certain overhead without being helpful.
*
* Example 1:
* static void foo (NMType *obj)
* {
* access_obj_without_check (obj);
* }
* foo ((NMType *) obj);
* // There is no runtime check and passing an invalid pointer
* // leads to a crash.
*
* Example 2:
* static void foo (NMType *obj)
* {
* access_obj_without_check (obj);
* }
* foo (NM_TYPE (obj));
* // There is a runtime check which prints a g_warning(), but that doesn't
* // avoid the crash as NM_TYPE() cannot do anything then passing on the
* // invalid pointer.
*
* Example 3:
* static void foo (NMType *obj)
* {
* g_return_if_fail (NM_IS_TYPE (obj));
* access_obj_without_check (obj);
* }
* foo ((NMType *) obj);
* // There is a runtime check which prints a g_critical() which also avoids
* // the crash. That is actually helpful to catch bugs and avoid crashes.
*
* Example 4:
* static void foo (NMType *obj)
* {
* g_return_if_fail (NM_IS_TYPE (obj));
* access_obj_without_check (obj);
* }
* foo (NM_TYPE (obj));
* // The runtime check is performed twice, with printing a g_warning() and
* // a g_critical() and avoiding the crash.
*
* Example 3 is how it should be done. Type checks in NM_TYPE() are pointless.
* Disable them for our production builds.
*/
#ifndef G_DISABLE_CAST_CHECKS
#define G_DISABLE_CAST_CHECKS
#endif
#endif
#include <stdlib.h>
#include <glib.h>
/*****************************************************************************/
#if NM_MORE_ASSERTS == 0
/* glib assertions (g_return_*(), g_assert*()) contain a textual representation
* of the checked statement. This part of the assertion blows up the size of the
* binary. Unless we compile a debug-build with NM_MORE_ASSERTS, drop these
* parts. Note that the failed assertion still prints the file and line where the
* assertion fails. That shall suffice. */
static inline void
_nm_g_return_if_fail_warning (const char *log_domain,
const char *file,
int line)
{
char file_buf[256 + 15];
g_snprintf (file_buf, sizeof (file_buf), "((%s:%d))", file, line);
g_return_if_fail_warning (log_domain, file_buf, "<dropped>");
}
#define g_return_if_fail_warning(log_domain, pretty_function, expression) \
_nm_g_return_if_fail_warning (log_domain, __FILE__, __LINE__)
#define g_assertion_message_expr(domain, file, line, func, expr) \
g_assertion_message_expr(domain, file, line, "<unknown-fcn>", (expr) ? "<dropped>" : NULL)
#undef g_return_val_if_reached
#define g_return_val_if_reached(val) \
G_STMT_START { \
g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_CRITICAL, \
"file %s: line %d (%s): should not be reached", \
__FILE__, \
__LINE__, \
"<dropped>"); \
return (val); \
} G_STMT_END
#undef g_return_if_reached
#define g_return_if_reached() \
G_STMT_START { \
g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_CRITICAL, \
"file %s: line %d (%s): should not be reached", \
__FILE__, \
__LINE__, \
"<dropped>"); \
return; \
} G_STMT_END
#define NM_ASSERT_G_RETURN_EXPR(expr) "<dropped>"
#define NM_ASSERT_NO_MSG 1
#else
#define NM_ASSERT_G_RETURN_EXPR(expr) ""expr""
#define NM_ASSERT_NO_MSG 0
#endif
/*****************************************************************************/
#include "nm-utils/nm-macros-internal.h"
#include "nm-utils/nm-shared-utils.h"
#include "nm-version.h"
/*****************************************************************************/
#if ((NETWORKMANAGER_COMPILATION) == NM_NETWORKMANAGER_COMPILATION_LIB) || ((NETWORKMANAGER_COMPILATION) == NM_NETWORKMANAGER_COMPILATION_LIB_LEGACY)
#include <glib/gi18n-lib.h>
#else
#include <glib/gi18n.h>
#endif /* NM_NETWORKMANAGER_COMPILATION_LIB || NM_NETWORKMANAGER_COMPILATION_LIB_LEGACY */
/*****************************************************************************/
#if (NETWORKMANAGER_COMPILATION) == NM_NETWORKMANAGER_COMPILATION_INSIDE_DAEMON || (NETWORKMANAGER_COMPILATION) == NM_NETWORKMANAGER_COMPILATION_SYSTEMD
/* the header is used inside src/, where additional
* headers are available. */
#include "nm-types.h"
#include "nm-logging.h"
#endif /* NM_NETWORKMANAGER_COMPILATION_INSIDE_DAEMON */
/*****************************************************************************/
#endif /* __NM_DEFAULT_H__ */
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