Add version 0.5.0
Change-Id: Ic052ea806f728c7e437038b1809f84a47af90011
Signed-off-by: Peter Szilagyi <peter.3.szilagyi@nokia.com>
diff --git a/e2ap/headers/ber_decoder.h b/e2ap/headers/ber_decoder.h
new file mode 100644
index 0000000..1ac2a5e
--- /dev/null
+++ b/e2ap/headers/ber_decoder.h
@@ -0,0 +1,66 @@
+/*-
+ * Copyright (c) 2003-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef _BER_DECODER_H_
+#define _BER_DECODER_H_
+
+#include <asn_application.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct asn_TYPE_descriptor_s; /* Forward declaration */
+struct asn_codec_ctx_s; /* Forward declaration */
+
+/*
+ * The BER decoder of any type.
+ * This function may be invoked directly from the application.
+ * Decodes BER, DER and CER data (DER and CER are different subsets of BER).
+ *
+ * NOTE: Use the der_encode() function (der_encoder.h) to produce encoding
+ * which is compliant with ber_decode().
+ */
+asn_dec_rval_t ber_decode(
+ const struct asn_codec_ctx_s *opt_codec_ctx,
+ const struct asn_TYPE_descriptor_s *type_descriptor,
+ void **struct_ptr, /* Pointer to a target structure's pointer */
+ const void *buffer, /* Data to be decoded */
+ size_t size /* Size of that buffer */
+);
+
+/*
+ * Type of generic function which decodes the byte stream into the structure.
+ */
+typedef asn_dec_rval_t(ber_type_decoder_f)(
+ const struct asn_codec_ctx_s *opt_codec_ctx,
+ const struct asn_TYPE_descriptor_s *type_descriptor, void **struct_ptr,
+ const void *buf_ptr, size_t size, int tag_mode);
+
+/*******************************
+ * INTERNALLY USEFUL FUNCTIONS *
+ *******************************/
+
+/*
+ * Check that all tags correspond to the type definition (as given in head).
+ * On return, last_length would contain either a non-negative length of the
+ * value part of the last TLV, or the negative number of expected
+ * "end of content" sequences. The number may only be negative if the
+ * head->last_tag_form is non-zero.
+ */
+asn_dec_rval_t ber_check_tags(
+ const struct asn_codec_ctx_s *opt_codec_ctx, /* codec options */
+ const struct asn_TYPE_descriptor_s *type_descriptor,
+ asn_struct_ctx_t *opt_ctx, /* saved decoding context */
+ const void *ptr, size_t size,
+ int tag_mode, /* {-1,0,1}: IMPLICIT, no, EXPLICIT */
+ int last_tag_form, /* {-1,0:1}: any, primitive, constr */
+ ber_tlv_len_t *last_length, int *opt_tlv_form /* optional tag form */
+);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _BER_DECODER_H_ */