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glib/tests/gvariant: Not try to memcpy NULL data

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It's undefined behavior
This commit is contained in:
Marco Trevisan (Treviño) 2025-01-30 18:47:53 +01:00
parent 39c05b1312
commit 31c9dbbc73
1 changed files with 9 additions and 1 deletions
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10
glib/tests/gvariant.c
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@ -2327,7 +2327,15 @@ test_byteswap (void)
* often makes something non-normal but still readable. */ * often makes something non-normal but still readable. */
three_size_copy = three.size + 1; three_size_copy = three.size + 1;
three_data_copy = g_malloc (three_size_copy); three_data_copy = g_malloc (three_size_copy);
memcpy (three_data_copy, three.data, three.size); if (three.data)
{
g_assert_cmpuint (three.size, !=, 0);
memcpy (three_data_copy, three.data, three.size);
}
else
{
g_assert_cmpuint (three.size, ==, 0);
}
three_data_copy[three.size] = '\0'; three_data_copy[three.size] = '\0';
three_variant = g_variant_new_from_data (G_VARIANT_TYPE (g_variant_type_info_get_type_string (three.type_info)), three_variant = g_variant_new_from_data (G_VARIANT_TYPE (g_variant_type_info_get_type_string (three.type_info)),