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-rw-r--r--lib/libesg/types.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/lib/libesg/types.c b/lib/libesg/types.c
new file mode 100644
index 0000000..51f1cbd
--- /dev/null
+++ b/lib/libesg/types.c
@@ -0,0 +1,37 @@
+/*
+ * ESG parser
+ *
+ * Copyright (C) 2006 Stephane Este-Gracias (sestegra@free.fr)
+ *
+ * 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 <libesg/types.h>
+
+uint8_t vluimsbf8(uint8_t *buffer, uint32_t size, uint32_t *length) {
+ uint8_t offset = 0;
+ *length = 0;
+
+ do {
+ if (size < offset) {
+ offset = 0;
+ *length = 0;
+ break;
+ }
+ *length = (*length << 7) + (buffer[offset] & 0x7F);
+ } while (buffer[offset++] & 0x80);
+
+ return offset;
+}