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buffered-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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@@ -270,6 +270,7 @@ test_truncate(void)
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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], ==, 'a');
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g_assert_cmpint (stream_data[1], ==, 'b');
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g_assert_cmpint (stream_data[2], ==, 'c');
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@@ -281,6 +282,7 @@ 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], ==, 'a');
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g_assert_cmpint (stream_data[1], ==, 'b');
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g_assert_cmpint (stream_data[2], ==, 'c');
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@@ -292,6 +294,7 @@ 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], ==, 'a');
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g_assert_cmpint (stream_data[1], ==, 'b');
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g_assert_cmpint (stream_data[2], ==, 'c');
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@@ -303,6 +306,7 @@ 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], ==, 'a');
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g_assert_cmpint (stream_data[1], ==, 'b');
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