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gthread: Fix "zero as null pointer" warning

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When compiling a program using glib with -Wzero-as-null-pointer-constant
warnings enabled, the compiler warns about this type check in the
g_once_init_enter macro. Fix by replacing "0" with "NULL".
This commit is contained in:
Jason Crain 2019-11-26 22:33:03 -07:00
parent d8c5bcbb7d
commit be15a60bda
1 changed files with 1 additions and 1 deletions
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glib/gthread.h
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@ -247,7 +247,7 @@ void g_once_init_leave (volatile void *location,
# define g_once_init_enter(location) \ # define g_once_init_enter(location) \
(G_GNUC_EXTENSION ({ \ (G_GNUC_EXTENSION ({ \
G_STATIC_ASSERT (sizeof *(location) == sizeof (gpointer)); \ G_STATIC_ASSERT (sizeof *(location) == sizeof (gpointer)); \
(void) (0 ? (gpointer) *(location) : 0); \ (void) (0 ? (gpointer) *(location) : NULL); \
(!g_atomic_pointer_get (location) && \ (!g_atomic_pointer_get (location) && \
g_once_init_enter (location)); \ g_once_init_enter (location)); \
})) }))