Make libplist glib free

1 files changed, 52 insertions, 0 deletions

diff --git a/src/bytearray.c b/src/bytearray.c
new file mode 100644
index 0000000..0abfe49
--- /dev/null
+++ b/src/bytearray.c
@@ -0,0 +1,52 @@
+/*
+ * bytearray.c
+ * simple byte array implementation
+ *
+ * Copyright (c) 2011 Nikias Bassen, All Rights Reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include <string.h>
+#include "bytearray.h"
+
+bytearray_t *byte_array_new()
+{
+	bytearray_t *a = (bytearray_t*)malloc(sizeof(bytearray_t));
+	a->data = malloc(256);
+	a->len = 0;
+	a->capacity = 256;
+	return a;
+}
+
+void byte_array_free(bytearray_t *ba)
+{
+	if (!ba) return;
+	if (ba->data) {
+		free(ba->data);
+	}
+	free(ba);
+}
+
+void byte_array_append(bytearray_t *ba, void *buf, size_t len)
+{
+	if (!ba || !ba->data || (len <= 0)) return;
+	size_t remaining = ba->capacity-ba->len;
+	if (len > remaining) {
+		ba->data = realloc(ba->data, ba->capacity + (len - remaining));
+		ba->capacity += (len - remaining);
+	}
+	memcpy(ba->data+ba->len, buf, len);
+	ba->len += len;
+}