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data-output-stream: Fix some access after free
The memory pointed to by a GMemoryOutputStream can be realloc'd https://bugzilla.gnome.org/show_bug.cgi?id=711802
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@ -450,6 +450,7 @@ test_truncate (void)
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g_assert (res);
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g_assert_cmpint (g_memory_output_stream_get_size (base_stream), ==, len);
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g_assert_cmpint (g_memory_output_stream_get_data_size (base_stream), ==, 4);
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stream_data = g_memory_output_stream_get_data (base_stream);
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g_assert_cmpint (stream_data[0], ==, 0x01);
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g_assert_cmpint (stream_data[1], ==, 0x23);
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g_assert_cmpint (stream_data[2], ==, 0x45);
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@ -461,6 +462,7 @@ test_truncate (void)
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g_assert (res);
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g_assert_cmpint (g_memory_output_stream_get_size (base_stream), ==, 4);
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g_assert_cmpint (g_memory_output_stream_get_data_size (base_stream), ==, 4);
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stream_data = g_memory_output_stream_get_data (base_stream);
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g_assert_cmpint (stream_data[0], ==, 0x01);
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g_assert_cmpint (stream_data[1], ==, 0x23);
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g_assert_cmpint (stream_data[2], ==, 0x45);
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@ -472,6 +474,7 @@ test_truncate (void)
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g_assert (res);
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g_assert_cmpint (g_memory_output_stream_get_size (base_stream), ==, 6);
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g_assert_cmpint (g_memory_output_stream_get_data_size (base_stream), ==, 4);
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stream_data = g_memory_output_stream_get_data (base_stream);
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g_assert_cmpint (stream_data[0], ==, 0x01);
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g_assert_cmpint (stream_data[1], ==, 0x23);
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g_assert_cmpint (stream_data[2], ==, 0x45);
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@ -483,6 +486,7 @@ test_truncate (void)
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g_assert (res);
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g_assert_cmpint (g_memory_output_stream_get_size (base_stream), ==, 2);
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g_assert_cmpint (g_memory_output_stream_get_data_size (base_stream), ==, 2);
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stream_data = g_memory_output_stream_get_data (base_stream);
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g_assert_cmpint (stream_data[0], ==, 0x01);
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g_assert_cmpint (stream_data[1], ==, 0x23);
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