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GMemoryOutputStream: Add new _resizable() constructor usable from bindings

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Really, the memory output stream API is too warped around the model
where it's a fixed size buffer that you've already allocated.  Even in
C, I find myself always wanting to use it to just accumulate data into
an arbitrary-sized buffer it allocates.

Unfortunately, it's also not usable from bindings because it's not
common to bind g_free() and g_realloc(), but if you just pass NULL, you
get the default of a fixed size, which is useless as per above.

I am going to use this from a gjs test case, and the GSubprocess test
cases also will use it.

https://bugzilla.gnome.org/show_bug.cgi?id=688931
This commit is contained in:
Colin Walters
2012-11-22 08:23:27 -05:00
parent 7a5dd54f47
commit ed5c17e11f
5 changed files with 20 additions and 2 deletions
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4
gio/tests/memory-output-stream.c
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@@ -34,7 +34,7 @@ test_truncate (void)
g_test_bug ("540423");
mo = g_memory_output_stream_new (NULL, 0, g_realloc, g_free);
mo = g_memory_output_stream_new_resizable ();
g_assert (g_seekable_can_truncate (G_SEEKABLE (mo)));
o = g_data_output_stream_new (mo);
for (i = 0; i < 1000; i++)
@@ -86,7 +86,7 @@ test_data_size (void)
g_test_bug ("540459");
mo = g_memory_output_stream_new (NULL, 0, g_realloc, g_free);
mo = g_memory_output_stream_new_resizable ();
o = g_data_output_stream_new (mo);
g_data_output_stream_put_byte (o, 1, NULL, NULL);
pos = g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo));