--- /dev/null
+/*-\r
+ * Copyright (c) 2005-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.\r
+ * Redistribution and modifications are permitted subject to BSD license.\r
+ */\r
+#ifndef _PER_DECODER_H_\r
+#define _PER_DECODER_H_\r
+\r
+#include <asn_application.h>\r
+#include <per_support.h>\r
+\r
+#ifdef __cplusplus\r
+extern "C" {\r
+#endif\r
+\r
+struct asn_TYPE_descriptor_s; /* Forward declaration */\r
+\r
+/*\r
+ * Unaligned PER decoder of a "complete encoding" as per X.691 (08/2015) #11.1.\r
+ * On success, this call always returns (.consumed >= 1), as per #11.1.3.\r
+ */\r
+asn_dec_rval_t uper_decode_complete(\r
+ const struct asn_codec_ctx_s *opt_codec_ctx,\r
+ const struct asn_TYPE_descriptor_s *type_descriptor, /* Type to decode */\r
+ void **struct_ptr, /* Pointer to a target structure's pointer */\r
+ const void *buffer, /* Data to be decoded */\r
+ size_t size /* Size of data buffer */\r
+);\r
+\r
+/*\r
+ * Unaligned PER decoder of any ASN.1 type. May be invoked by the application.\r
+ * WARNING: This call returns the number of BITS read from the stream. Beware.\r
+ */\r
+asn_dec_rval_t uper_decode(\r
+ const struct asn_codec_ctx_s *opt_codec_ctx,\r
+ const struct asn_TYPE_descriptor_s *type_descriptor, /* Type to decode */\r
+ void **struct_ptr, /* Pointer to a target structure's pointer */\r
+ const void *buffer, /* Data to be decoded */\r
+ size_t size, /* Size of the input data buffer, in bytes */\r
+ int skip_bits, /* Number of unused leading bits, 0..7 */\r
+ int unused_bits /* Number of unused tailing bits, 0..7 */\r
+);\r
+\r
+/*\r
+ * Aligned PER decoder of a "complete encoding" as per X.691#10.1.\r
+ * On success, this call always returns (.consumed >= 1), in BITS, as per X.691#10.1.3.\r
+ */\r
+asn_dec_rval_t aper_decode_complete(\r
+ const struct asn_codec_ctx_s *opt_codec_ctx,\r
+ const struct asn_TYPE_descriptor_s *type_descriptor, /* Type to decode */\r
+ void **struct_ptr, /* Pointer to a target structure's pointer */\r
+ const void *buffer, /* Data to be decoded */\r
+ size_t size /* Size of data buffer */\r
+ );\r
+\r
+/*\r
+ * Aligned PER decoder of any ASN.1 type. May be invoked by the application.\r
+ * WARNING: This call returns the number of BITS read from the stream. Beware.\r
+ */\r
+asn_dec_rval_t aper_decode(\r
+ const struct asn_codec_ctx_s *opt_codec_ctx,\r
+ const struct asn_TYPE_descriptor_s *type_descriptor, /* Type to decode */\r
+ void **struct_ptr, /* Pointer to a target structure's pointer */\r
+ const void *buffer, /* Data to be decoded */\r
+ size_t size, /* Size of data buffer */\r
+ int skip_bits, /* Number of unused leading bits, 0..7 */\r
+ int unused_bits /* Number of unused tailing bits, 0..7 */\r
+ );\r
+\r
+/*\r
+ * Type of the type-specific PER decoder function.\r
+ */\r
+typedef asn_dec_rval_t(per_type_decoder_f)(\r
+ const asn_codec_ctx_t *opt_codec_ctx,\r
+ const struct asn_TYPE_descriptor_s *type_descriptor,\r
+ const asn_per_constraints_t *constraints, void **struct_ptr,\r
+ asn_per_data_t *per_data);\r
+\r
+#ifdef __cplusplus\r
+}\r
+#endif\r
+\r
+#endif /* _PER_DECODER_H_ */\r