mirror of
https://gitlab.freedesktop.org/NetworkManager/NetworkManager.git
synced 2026-01-09 19:20:20 +01:00
2bfa92a4c6
When including <glib.h>, it will always define G_LOG_DOMAIN if it is not yet defined. Usually we want to include "nm-default.h" as very first header. In that case, <glib.h> is not yet included. Then the previous check #error works well. However, if we include "nm-default.h" in sources generated by glib-mkenums, then the generator first already includes <glib.h>, and thus defines G_LOG_DOMAIN. It does so for "libnm-core/nm-core-enum-types.c" and "libnm/nm-enum-types.c", where the #error would not trigger. But we will also include "nm-default.h" for "libnm-core/tests/nm-core-tests-enum-types.c". That will start triggering this #error. While in general we want to include "nm-default.h" first, we also need to support cases where <glib.h> gets included first. Thus this error is not useful. Remove it. (cherry picked from commit42fa8f3d27) (cherry picked from commita1f3cebbec) (cherry picked from commit61d78ed333) (cherry picked from commit33113c7188) (cherry picked from commitcefe7456fd)
304 lines
12 KiB
C
304 lines
12 KiB
C
/* NetworkManager -- Network link manager
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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* (C) Copyright 2015 Red Hat, Inc.
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*/
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#ifndef __NM_DEFAULT_H__
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#define __NM_DEFAULT_H__
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#define NM_NETWORKMANAGER_COMPILATION_WITH_GLIB (1 << 0)
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#define NM_NETWORKMANAGER_COMPILATION_WITH_GLIB_I18N_LIB (1 << 1)
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#define NM_NETWORKMANAGER_COMPILATION_WITH_GLIB_I18N_PROG (1 << 2)
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#define NM_NETWORKMANAGER_COMPILATION_WITH_LIBNM (1 << 3)
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#define NM_NETWORKMANAGER_COMPILATION_WITH_LIBNM_PRIVATE (1 << 4)
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#define NM_NETWORKMANAGER_COMPILATION_WITH_LIBNM_CORE (1 << 5)
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#define NM_NETWORKMANAGER_COMPILATION_WITH_LIBNM_CORE_INTERNAL (1 << 6)
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#define NM_NETWORKMANAGER_COMPILATION_WITH_LIBNM_CORE_PRIVATE (1 << 7)
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#define NM_NETWORKMANAGER_COMPILATION_WITH_DAEMON (1 << 10)
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#define NM_NETWORKMANAGER_COMPILATION_WITH_SYSTEMD (1 << 11)
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#define NM_NETWORKMANAGER_COMPILATION_LIBNM_CORE ( 0 \
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| NM_NETWORKMANAGER_COMPILATION_WITH_GLIB \
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| NM_NETWORKMANAGER_COMPILATION_WITH_GLIB_I18N_LIB \
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| NM_NETWORKMANAGER_COMPILATION_WITH_LIBNM_CORE \
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| NM_NETWORKMANAGER_COMPILATION_WITH_LIBNM_CORE_PRIVATE \
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| NM_NETWORKMANAGER_COMPILATION_WITH_LIBNM_CORE_INTERNAL \
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)
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#define NM_NETWORKMANAGER_COMPILATION_LIBNM ( 0 \
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| NM_NETWORKMANAGER_COMPILATION_WITH_GLIB \
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| NM_NETWORKMANAGER_COMPILATION_WITH_GLIB_I18N_LIB \
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| NM_NETWORKMANAGER_COMPILATION_WITH_LIBNM \
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| NM_NETWORKMANAGER_COMPILATION_WITH_LIBNM_PRIVATE \
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| NM_NETWORKMANAGER_COMPILATION_WITH_LIBNM_CORE \
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| NM_NETWORKMANAGER_COMPILATION_WITH_LIBNM_CORE_INTERNAL \
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)
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#define NM_NETWORKMANAGER_COMPILATION_CLIENT ( 0 \
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| NM_NETWORKMANAGER_COMPILATION_WITH_GLIB \
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| NM_NETWORKMANAGER_COMPILATION_WITH_GLIB_I18N_PROG \
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| NM_NETWORKMANAGER_COMPILATION_WITH_LIBNM \
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| NM_NETWORKMANAGER_COMPILATION_WITH_LIBNM_CORE \
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)
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#define NM_NETWORKMANAGER_COMPILATION_DAEMON ( 0 \
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| NM_NETWORKMANAGER_COMPILATION_WITH_GLIB \
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| NM_NETWORKMANAGER_COMPILATION_WITH_GLIB_I18N_PROG \
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| NM_NETWORKMANAGER_COMPILATION_WITH_LIBNM_CORE \
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| NM_NETWORKMANAGER_COMPILATION_WITH_LIBNM_CORE_INTERNAL \
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| NM_NETWORKMANAGER_COMPILATION_WITH_DAEMON \
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)
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#define NM_NETWORKMANAGER_COMPILATION_SYSTEMD_SHARED ( 0 \
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| NM_NETWORKMANAGER_COMPILATION_WITH_GLIB \
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| NM_NETWORKMANAGER_COMPILATION_WITH_SYSTEMD \
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)
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#define NM_NETWORKMANAGER_COMPILATION_SYSTEMD ( 0 \
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| NM_NETWORKMANAGER_COMPILATION_DAEMON \
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| NM_NETWORKMANAGER_COMPILATION_SYSTEMD_SHARED \
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)
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#define NM_NETWORKMANAGER_COMPILATION_GLIB ( 0 \
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| NM_NETWORKMANAGER_COMPILATION_WITH_GLIB \
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)
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#ifndef NETWORKMANAGER_COMPILATION
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#error Define NETWORKMANAGER_COMPILATION accordingly
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#endif
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#ifndef G_LOG_DOMAIN
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#if defined(NETWORKMANAGER_COMPILATION_TEST)
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#define G_LOG_DOMAIN "test"
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#elif NETWORKMANAGER_COMPILATION & NM_NETWORKMANAGER_COMPILATION_WITH_DAEMON
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#define G_LOG_DOMAIN "NetworkManager"
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#else
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#error Need to define G_LOG_DOMAIN
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#endif
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#endif
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/*****************************************************************************/
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/* always include these headers for our internal source files. */
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#ifndef ___CONFIG_H__
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#define ___CONFIG_H__
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#include <config.h>
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#endif
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#include "config-extra.h"
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/* for internal compilation we don't want the deprecation macros
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* to be in effect. Define the widest range of versions to effectively
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* disable deprecation checks */
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#define NM_VERSION_MIN_REQUIRED NM_VERSION_0_9_8
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#ifndef NM_MORE_ASSERTS
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#define NM_MORE_ASSERTS 0
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#endif
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#if NM_MORE_ASSERTS == 0
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/* The cast macros like NM_TYPE() are implemented via G_TYPE_CHECK_INSTANCE_CAST()
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* and _G_TYPE_CIC(). The latter, by default performs runtime checks of the type
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* by calling g_type_check_instance_cast().
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* This check has a certain overhead without being helpful.
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*
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* Example 1:
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* static void foo (NMType *obj)
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* {
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* access_obj_without_check (obj);
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* }
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* foo ((NMType *) obj);
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* // There is no runtime check and passing an invalid pointer
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* // leads to a crash.
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*
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* Example 2:
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* static void foo (NMType *obj)
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* {
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* access_obj_without_check (obj);
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* }
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* foo (NM_TYPE (obj));
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* // There is a runtime check which prints a g_warning(), but that doesn't
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* // avoid the crash as NM_TYPE() cannot do anything then passing on the
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* // invalid pointer.
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*
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* Example 3:
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* static void foo (NMType *obj)
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* {
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* g_return_if_fail (NM_IS_TYPE (obj));
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* access_obj_without_check (obj);
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* }
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* foo ((NMType *) obj);
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* // There is a runtime check which prints a g_critical() which also avoids
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* // the crash. That is actually helpful to catch bugs and avoid crashes.
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*
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* Example 4:
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* static void foo (NMType *obj)
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* {
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* g_return_if_fail (NM_IS_TYPE (obj));
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* access_obj_without_check (obj);
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* }
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* foo (NM_TYPE (obj));
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* // The runtime check is performed twice, with printing a g_warning() and
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* // a g_critical() and avoiding the crash.
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*
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* Example 3 is how it should be done. Type checks in NM_TYPE() are pointless.
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* Disable them for our production builds.
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*/
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#ifndef G_DISABLE_CAST_CHECKS
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#define G_DISABLE_CAST_CHECKS
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#endif
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#endif
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#if NM_MORE_ASSERTS == 0
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#ifndef G_DISABLE_CAST_CHECKS
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/* Unless compiling with G_DISABLE_CAST_CHECKS, glib performs type checking
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* during G_VARIANT_TYPE() via g_variant_type_checked_(). This is not necessary
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* because commonly this cast is needed during something like
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*
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* g_variant_builder_init (&props, G_VARIANT_TYPE ("a{sv}"));
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*
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* Note that in if the variant type would be invalid, the check still
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* wouldn't make the buggy code magically work. Instead of passing a
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* bogus type string (bad), it would pass %NULL to g_variant_builder_init()
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* (also bad).
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*
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* Also, a function like g_variant_builder_init() already validates
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* the input type via something like
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*
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* g_return_if_fail (g_variant_type_is_container (type));
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*
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* So, by having G_VARIANT_TYPE() also validate the type, we validate
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* twice, whereas the first validation is rather pointless because it
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* doesn't prevent the function to be called with invalid arguments.
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*
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* Just patch G_VARIANT_TYPE() to perform no check.
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*/
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#undef G_VARIANT_TYPE
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#define G_VARIANT_TYPE(type_string) ((const GVariantType *) (type_string))
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#endif
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#endif
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#include <stdlib.h>
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/*****************************************************************************/
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#if (NETWORKMANAGER_COMPILATION) & NM_NETWORKMANAGER_COMPILATION_WITH_GLIB
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#include <glib.h>
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#if (NETWORKMANAGER_COMPILATION) & NM_NETWORKMANAGER_COMPILATION_WITH_GLIB_I18N_PROG
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#if (NETWORKMANAGER_COMPILATION) & NM_NETWORKMANAGER_COMPILATION_WITH_GLIB_I18N_LIB
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#error Cannot define NM_NETWORKMANAGER_COMPILATION_WITH_GLIB_I18N_PROG and NM_NETWORKMANAGER_COMPILATION_WITH_GLIB_I18N_LIB
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#endif
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#include <glib/gi18n.h>
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#elif (NETWORKMANAGER_COMPILATION) & NM_NETWORKMANAGER_COMPILATION_WITH_GLIB_I18N_LIB
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#include <glib/gi18n-lib.h>
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#endif
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/*****************************************************************************/
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#if NM_MORE_ASSERTS == 0
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/* glib assertions (g_return_*(), g_assert*()) contain a textual representation
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* of the checked statement. This part of the assertion blows up the size of the
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* binary. Unless we compile a debug-build with NM_MORE_ASSERTS, drop these
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* parts. Note that the failed assertion still prints the file and line where the
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* assertion fails. That shall suffice. */
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static inline void
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_nm_g_return_if_fail_warning (const char *log_domain,
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const char *file,
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int line)
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{
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char file_buf[256 + 15];
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g_snprintf (file_buf, sizeof (file_buf), "((%s:%d))", file, line);
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g_return_if_fail_warning (log_domain, file_buf, "<dropped>");
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}
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#define g_return_if_fail_warning(log_domain, pretty_function, expression) \
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_nm_g_return_if_fail_warning (log_domain, __FILE__, __LINE__)
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#define g_assertion_message_expr(domain, file, line, func, expr) \
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g_assertion_message_expr(domain, file, line, "<unknown-fcn>", (expr) ? "<dropped>" : NULL)
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#undef g_return_val_if_reached
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#define g_return_val_if_reached(val) \
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G_STMT_START { \
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g_log (G_LOG_DOMAIN, \
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G_LOG_LEVEL_CRITICAL, \
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"file %s: line %d (%s): should not be reached", \
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__FILE__, \
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__LINE__, \
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"<dropped>"); \
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return (val); \
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} G_STMT_END
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#undef g_return_if_reached
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#define g_return_if_reached() \
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G_STMT_START { \
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g_log (G_LOG_DOMAIN, \
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G_LOG_LEVEL_CRITICAL, \
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"file %s: line %d (%s): should not be reached", \
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__FILE__, \
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__LINE__, \
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"<dropped>"); \
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return; \
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} G_STMT_END
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#define NM_ASSERT_G_RETURN_EXPR(expr) "<dropped>"
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#define NM_ASSERT_NO_MSG 1
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#else
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#define NM_ASSERT_G_RETURN_EXPR(expr) ""expr""
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#define NM_ASSERT_NO_MSG 0
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#endif
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/*****************************************************************************/
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#include "nm-glib-aux/nm-macros-internal.h"
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#include "nm-glib-aux/nm-shared-utils.h"
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#include "nm-glib-aux/nm-errno.h"
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#include "nm-glib-aux/nm-hash-utils.h"
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/*****************************************************************************/
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#if (NETWORKMANAGER_COMPILATION) & NM_NETWORKMANAGER_COMPILATION_WITH_LIBNM_CORE
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#include "nm-version.h"
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#endif
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/*****************************************************************************/
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#if (NETWORKMANAGER_COMPILATION) & NM_NETWORKMANAGER_COMPILATION_WITH_DAEMON
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#include "nm-core-types.h"
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#include "nm-types.h"
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#include "nm-logging.h"
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#endif
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#if ((NETWORKMANAGER_COMPILATION) & NM_NETWORKMANAGER_COMPILATION_WITH_LIBNM) && !((NETWORKMANAGER_COMPILATION) & (NM_NETWORKMANAGER_COMPILATION_WITH_LIBNM_PRIVATE | NM_NETWORKMANAGER_COMPILATION_WITH_LIBNM_CORE_INTERNAL))
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#include "NetworkManager.h"
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#endif
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#endif /* NM_NETWORKMANAGER_COMPILATION_WITH_GLIB */
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/*****************************************************************************/
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#endif /* __NM_DEFAULT_H__ */
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