1 files changed, 63 insertions, 0 deletions
diff --git a/src/utils.c b/src/utils.c
new file mode 100644
index 0000000..8636778
--- /dev/null
+++ b/src/utils.c
@@ -0,0 +1,63 @@
+/*
+ * utils.c: miscellaneous utilities
+ *
+ * Copyright (c) 2013, Přemysl Janouch <p.janouch@gmail.com>
+ * All rights reserved.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+#include <glib.h>
+#include <gio/gio.h>
+
+#include "utils.h"
+
+
+/** Read the whole stream into a byte array. */
+gboolean
+stream_read_all (GByteArray *ba, GInputStream *is, GError **error)
+{
+	guint8 buffer[1024 * 64];
+	gsize bytes_read;
+
+	while (g_input_stream_read_all (is, buffer, sizeof buffer,
+		&bytes_read, NULL, error))
+	{
+		g_byte_array_append (ba, buffer, bytes_read);
+		if (bytes_read < sizeof buffer)
+			return TRUE;
+	}
+	return FALSE;
+}
+
+/** Read a null-terminated string from a data input stream. */
+gchar *
+stream_read_string (GDataInputStream *dis, GError **error)
+{
+	gsize length;
+	gchar *s = g_data_input_stream_read_upto (dis, "", 1, &length, NULL, error);
+	if (!s)
+		return NULL;
+
+	GError *err = NULL;
+	g_data_input_stream_read_byte (dis, NULL, &err);
+	if (err)
+	{
+		g_free (s);
+		g_propagate_error (error, err);
+		return NULL;
+	}
+
+	return s;
+}