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Empty values are not valid GParamSpec

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The validate() vfunc for GParamSpecParam returns FALSE for empty GValue,
which means the is_valid() vfunc should do the same.

This avoids a segfault when calling g_param_value_is_valid() on a
GParamSpecParam.

Fixes: #2770
This commit is contained in:
Emmanuele Bassi 2022-09-25 14:20:24 +01:00
parent d2818c2033
commit ea3f17d598
1 changed files with 3 additions and 0 deletions
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3
gobject/gparamspecs.c
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@ -894,6 +894,9 @@ param_param_is_valid (GParamSpec *pspec,
{ {
GParamSpec *param = value->data[0].v_pointer; GParamSpec *param = value->data[0].v_pointer;
if (param == NULL)
return FALSE;
return g_value_type_compatible (G_PARAM_SPEC_TYPE (param), G_PARAM_SPEC_VALUE_TYPE (pspec)); return g_value_type_compatible (G_PARAM_SPEC_TYPE (param), G_PARAM_SPEC_VALUE_TYPE (pspec));
} }