1 files changed, 41 insertions, 0 deletions
diff --git a/epan/crc10-tvb.c b/epan/crc10-tvb.c
new file mode 100644
index 00000000..406cf89e
--- /dev/null
+++ b/epan/crc10-tvb.c
@@ -0,0 +1,41 @@
+/* crc10-tvb.c
+ * CRC-10 tvb routines
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+
+#include <glib.h>
+#include <epan/tvbuff.h>
+#include <wsutil/crc10.h>
+#include <epan/crc10-tvb.h>
+
+/* update the data block's CRC-10 remainder one byte at a time */
+guint16
+update_crc10_by_bytes_tvb(guint16 crc10, tvbuff_t *tvb, int offset, int len)
+{
+    const guint8 *buf;
+
+    tvb_ensure_bytes_exist(tvb, offset, len);  /* len == -1 not allowed */
+    buf = tvb_get_ptr(tvb, offset, len);
+
+    return update_crc10_by_bytes(crc10, buf, len);
+}
+
+/*
+ * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */