C++ (Cpp) gsf_input_memory_new_cloneの例

コード例 #1

ファイル: gsf-input-gio.c プロジェクト: GNOME/libgsf

static GsfInput *
make_local_copy (GFile *file, GInputStream *stream)
{
    GsfOutput *out;
    GsfInput  *copy;
    GFileInfo *info;

    out = gsf_output_memory_new ();

    while (1) {
        guint8 buf[4096];
        gssize nread;

        nread = g_input_stream_read (stream, buf, sizeof(buf), NULL, NULL);

        if (nread > 0) {
            if (!gsf_output_write (out, nread, buf)) {
                copy = NULL;
                goto cleanup_and_exit;
            }
        }
        else if (nread == 0)
            break;
        else {
            copy = NULL;
            goto cleanup_and_exit;
        }
    }

    copy = gsf_input_memory_new_clone
           (gsf_output_memory_get_bytes (GSF_OUTPUT_MEMORY (out)),
            gsf_output_size (out));

    if (copy != NULL) {
        info = g_file_query_info (file, G_FILE_ATTRIBUTE_STANDARD_NAME, 0, NULL, NULL);
        if (info) {
            gsf_input_set_name (GSF_INPUT (copy), g_file_info_get_name (info));
            g_object_unref (info);
        }
    }

cleanup_and_exit:

    gsf_output_close (out);
    g_object_unref (out);

    g_input_stream_close (stream, NULL, NULL);
    g_object_unref (stream);

    set_name_from_file (copy, file);

    return copy;
}

コード例 #2

ファイル: gsf-input-stdio.c プロジェクト: Jarod3Johnson/libgsf

static GsfInput *
make_local_copy (FILE *stream, const char *filename, GError **err)
{
	GsfOutput *out;
	GsfInput *copy = NULL;

	out = gsf_output_memory_new ();

	while (1) {
		guint8 buf[4096];
		gssize nread;

		nread = fread (buf, 1, sizeof(buf), stream);

		if (nread > 0) {
			if (!gsf_output_write (out, nread, buf))
				goto error;
		} else if (nread == 0)
			break;
		else
			goto error;
	}

	copy = gsf_input_memory_new_clone
		(gsf_output_memory_get_bytes (GSF_OUTPUT_MEMORY (out)),
		 gsf_output_size (out));

	gsf_output_close (out);
	g_object_unref (out);

	if (filename)
		gsf_input_set_name_from_filename (GSF_INPUT (copy), filename);

	return copy;

error:
	if (err) {
		char *utf8name = filename
			? g_filename_display_name (filename)
			: g_strdup ("?");
		g_set_error (err, gsf_input_error_id (), 0,
			     "%s: not a regular file",
			     utf8name);
		g_free (utf8name);
	}

	gsf_output_close (out);
	g_object_unref (out);

	return NULL;
}