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-rw-r--r--src/bytearray.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/bytearray.c b/src/bytearray.c
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+++ b/src/bytearray.c
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+/*
+ * 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;
+}