diff options
| author | Michael Biebl <biebl@debian.org> | 2021-10-01 23:05:04 +0200 |
|---|---|---|
| committer | Michael Biebl <biebl@debian.org> | 2021-10-01 23:05:04 +0200 |
| commit | e74c568b07b50b97873fb4ee1d776dedefbd54d6 (patch) | |
| tree | 3469f17ea9af91f7ff169b890633bda68b0cf76e /src/libnm-std-aux/nm-default-std.h | |
| parent | bfe522304da217296e2a61040f58e35ec5d6f3f2 (diff) | |
New upstream version 1.32.12 upstream/1.32.12
Diffstat (limited to 'src/libnm-std-aux/nm-default-std.h')
| -rw-r--r-- | src/libnm-std-aux/nm-default-std.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/libnm-std-aux/nm-default-std.h b/src/libnm-std-aux/nm-default-std.h new file mode 100644 index 00000000..5f4af3a5 --- /dev/null +++ b/src/libnm-std-aux/nm-default-std.h @@ -0,0 +1,102 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2015 Red Hat, Inc. + */ + +#ifndef __NM_DEFAULT_STD_H__ +#define __NM_DEFAULT_STD_H__ + +#include "nm-networkmanager-compilation.h" + +#ifdef NETWORKMANAGER_COMPILATION + #error Dont define NETWORKMANAGER_COMPILATION +#endif + +#ifndef G_LOG_DOMAIN + #define G_LOG_DOMAIN "nm" +#endif + +/*****************************************************************************/ + +#define NETWORKMANAGER_COMPILATION 0 + +/*****************************************************************************/ + +/* always include these headers for our internal source files. */ + +#ifndef ___CONFIG_H__ + #define ___CONFIG_H__ + #include <config.h> +#endif + +#include "config-extra.h" + +/* 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_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> + +/*****************************************************************************/ + +#endif /* __NM_DEFAULT_STD_H__ */ |