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glib/gmacros: Always define NULL as nullptr in C++11 and newer

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This commit is contained in:
Marco Trevisan (Treviño) 2022-10-29 04:30:52 +02:00
parent 9635fd4e40
commit 0ca5254c5d
2 changed files with 8 additions and 14 deletions
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7
glib/gmacros.h
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@ -870,10 +870,17 @@
*/ */
#ifndef NULL #ifndef NULL
# ifdef __cplusplus # ifdef __cplusplus
# if __cplusplus >= 201103L
# define NULL (nullptr)
# else
# define NULL (0L) # define NULL (0L)
# endif /* __cplusplus >= 201103L */
# else /* !__cplusplus */ # else /* !__cplusplus */
# define NULL ((void*) 0) # define NULL ((void*) 0)
# endif /* !__cplusplus */ # endif /* !__cplusplus */
#elif defined (__cplusplus) && __cplusplus >= 201103L
# undef NULL
# define NULL (nullptr)
#endif #endif
#ifndef FALSE #ifndef FALSE

13
glib/tests/cxx.cpp
View File

@ -34,21 +34,12 @@ test_typeof (void)
MyObject *obj3 = g_atomic_pointer_get (&obj2); MyObject *obj3 = g_atomic_pointer_get (&obj2);
g_assert_true (obj3 == obj); g_assert_true (obj3 == obj);
#if __cplusplus >= 201103L
MyObject *obj4 = nullptr;
#else
MyObject *obj4 = NULL; MyObject *obj4 = NULL;
#endif
g_atomic_pointer_set (&obj4, obj3); g_atomic_pointer_set (&obj4, obj3);
g_assert_true (obj4 == obj); g_assert_true (obj4 == obj);
#if __cplusplus >= 201103L
MyObject *obj5 = nullptr;
g_atomic_pointer_compare_and_exchange (&obj5, nullptr, obj4);
#else
MyObject *obj5 = NULL; MyObject *obj5 = NULL;
g_atomic_pointer_compare_and_exchange (&obj5, NULL, obj4); g_atomic_pointer_compare_and_exchange (&obj5, NULL, obj4);
#endif
g_assert_true (obj5 == obj); g_assert_true (obj5 == obj);
MyObject *obj6 = g_steal_pointer (&obj5); MyObject *obj6 = g_steal_pointer (&obj5);
@ -195,11 +186,7 @@ test_steal_pointer (void)
int int
main (int argc, char *argv[]) main (int argc, char *argv[])
{ {
#if __cplusplus >= 201103L
g_test_init (&argc, &argv, nullptr);
#else
g_test_init (&argc, &argv, NULL); g_test_init (&argc, &argv, NULL);
#endif
g_test_add_func ("/C++/typeof", test_typeof); g_test_add_func ("/C++/typeof", test_typeof);
g_test_add_func ("/C++/atomic-pointer-compare-and-exchange", test_atomic_pointer_compare_and_exchange); g_test_add_func ("/C++/atomic-pointer-compare-and-exchange", test_atomic_pointer_compare_and_exchange);