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gio: add GBytes-based input/output stream methods

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Using a caller-supplied buffer for g_input_stream_read() doesn't
translate well to the semantics of many other languages, and using a
non-refcounted buffer for read_async() and write_async() makes it
impossible to manage the memory correctly currently in
garbage-collected languages.

Fix both of these issues by adding a new set of methods that work with
GBytes objects rather than plain buffers.

https://bugzilla.gnome.org/show_bug.cgi?id=671139
This commit is contained in:
Dan Winship
2012-04-05 09:19:17 -04:00
committed by Jasper St. Pierre
parent 4b456635e4
commit 800d6ff111
8 changed files with 428 additions and 0 deletions
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26
gio/tests/memory-input-stream.c
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@@ -194,6 +194,31 @@ test_truncate (void)
g_object_unref (stream);
}
static void
test_read_bytes (void)
{
const char *data1 = "abcdefghijklmnopqrstuvwxyz";
const char *data2 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
GInputStream *stream;
GError *error = NULL;
GBytes *bytes;
gsize size;
gconstpointer data;
stream = g_memory_input_stream_new ();
g_memory_input_stream_add_data (G_MEMORY_INPUT_STREAM (stream),
data1, -1, NULL);
g_memory_input_stream_add_data (G_MEMORY_INPUT_STREAM (stream),
data2, -1, NULL);
bytes = g_input_stream_read_bytes (stream, 26, NULL, &error);
g_assert_no_error (error);
data = g_bytes_get_data (bytes, &size);
g_assert_cmpint (size, ==, 26);
g_assert (strncmp (data, data1, 26) == 0);
}
int
main (int argc,
char *argv[])
@@ -205,6 +230,7 @@ main (int argc,
g_test_add_func ("/memory-input-stream/async", test_async);
g_test_add_func ("/memory-input-stream/seek", test_seek);
g_test_add_func ("/memory-input-stream/truncate", test_truncate);
g_test_add_func ("/memory-input-stream/read-bytes", test_read_bytes);
return g_test_run();
}