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shared/glib: add compat implementation for g_value_unset() to allow unintialized GValue

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This commit is contained in:
Thomas Haller 2019-01-04 18:27:42 +01:00
parent 22dc82724c
commit 1f906d9214
1 changed files with 24 additions and 0 deletions
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24
shared/nm-utils/nm-glib.h
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@ -538,4 +538,28 @@ _nm_g_variant_new_printf (const char *format_string, ...)
/*****************************************************************************/ /*****************************************************************************/
#if !GLIB_CHECK_VERSION (2, 47, 1)
/* Older versions of g_value_unset() only allowed to unset a GValue which
* was initialized previously. This was relaxed ([1], [2], [3]).
*
* Our nm_auto_unset_gvalue macro requires to be able to call g_value_unset().
* Also, it is our general practice to allow for that. Add a compat implementation.
*
* [1] https://gitlab.gnome.org/GNOME/glib/commit/4b2d92a864f1505f1b08eb639d74293fa32681da
* [2] commit "Allow passing unset GValues to g_value_unset()"
* [3] https://bugzilla.gnome.org/show_bug.cgi?id=755766
*/
static inline void
_nm_g_value_unset (GValue *value)
{
g_return_if_fail (value);
if (value->g_type != 0)
g_value_unset (value);
}
#define g_value_unset _nm_g_value_unset
#endif
/*****************************************************************************/
#endif /* __NM_GLIB_H__ */ #endif /* __NM_GLIB_H__ */