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Bug 540461 – g_memory_output_stream_get_data_size() doesn't behave as

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2009-02-26  Alexander Larsson  <alexl@redhat.com>

	Bug 540461 – g_memory_output_stream_get_data_size() doesn't behave as document
        * gmemoryoutputstream.c:
	Track actual valid size, even if we later seek back.

        * tests/memory-output-stream.c:
	Add testcase



svn path=/trunk/; revision=7916
This commit is contained in:
Alexander Larsson 2009-02-26 15:41:29 +00:00 committed by Alexander Larsson
parent 1ab68f9ee9
commit b89e432e8d
3 changed files with 27 additions and 1 deletions
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9
gio/ChangeLog
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@ -1,3 +1,12 @@
2009-02-26 Alexander Larsson <alexl@redhat.com>
Bug 540461 – g_memory_output_stream_get_data_size() doesn't behave as document
* gmemoryoutputstream.c:
Track actual valid size, even if we later seek back.
* tests/memory-output-stream.c:
Add testcase
2009-02-26 Alexander Larsson <alexl@redhat.com>
Bug 543183 – Clarify docs for g_file_has_prefix

10
gio/gmemoryoutputstream.c
View File

@ -48,6 +48,7 @@ struct _GMemoryOutputStreamPrivate {
gpointer data;
gsize len;
gsize valid_len; /* The part of data that has been written to */
goffset pos;
@ -205,6 +206,7 @@ g_memory_output_stream_new (gpointer data,
priv->destroy = destroy;
priv->pos = 0;
priv->valid_len = 0;
return stream;
}
@ -271,7 +273,7 @@ g_memory_output_stream_get_data_size (GMemoryOutputStream *ostream)
{
g_return_val_if_fail (G_IS_MEMORY_OUTPUT_STREAM (ostream), 0);
return ostream->priv->pos;
return ostream->priv->valid_len;
}
@ -346,6 +348,9 @@ array_resize (GMemoryOutputStream *ostream,
priv->data = data;
priv->len = size;
if (priv->len < priv->valid_len)
priv->valid_len = priv->len;
return TRUE;
}
@ -396,6 +401,9 @@ g_memory_output_stream_write (GOutputStream *stream,
dest = (guint8 *)priv->data + priv->pos;
memcpy (dest, buffer, count);
priv->pos += count;
if (priv->pos > priv->valid_len)
priv->valid_len = priv->pos;
return count;
}

9
gio/tests/memory-output-stream.c
View File

@ -72,6 +72,15 @@ test_data_size (void)
pos = g_seekable_tell (G_SEEKABLE (mo));
g_assert_cmpint (pos, ==, 1);
g_test_bug ("540461");
g_seekable_seek (G_SEEKABLE (mo), 0, G_SEEK_SET, NULL, NULL);
pos = g_seekable_tell (G_SEEKABLE (mo));
g_assert_cmpint (pos, ==, 0);
pos = g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo));
g_assert_cmpint (pos, ==, 1);
g_object_unref (o);
g_object_unref (mo);
}