Port to CMake, get rid of os_int.h.

[stg.git] / libs / smux / include / stg / der_encoder.h

diff --git a/libs/smux/include/stg/der_encoder.h b/libs/smux/include/stg/der_encoder.h
new file mode 100644 (file)
index 0000000..4e2fb06
--- /dev/null
+++ b/libs/smux/include/stg/der_encoder.h
@@ -0,0 +1,67 @@
+/*-
+ * Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef        _DER_ENCODER_H_
+#define        _DER_ENCODER_H_
+
+#include <asn_application.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct asn_TYPE_descriptor_s;  /* Forward declaration */
+
+/*
+ * The DER encoder of any type. May be invoked by the application.
+ */
+asn_enc_rval_t der_encode(struct asn_TYPE_descriptor_s *type_descriptor,
+               void *struct_ptr,       /* Structure to be encoded */
+               asn_app_consume_bytes_f *consume_bytes_cb,
+               void *app_key           /* Arbitrary callback argument */
+       );
+
+/* A variant of der_encode() which encodes data into the pre-allocated buffer */
+asn_enc_rval_t der_encode_to_buffer(
+               struct asn_TYPE_descriptor_s *type_descriptor,
+               void *struct_ptr,       /* Structure to be encoded */
+               void *buffer,           /* Pre-allocated buffer */
+               size_t buffer_size      /* Initial buffer size (maximum) */
+       );
+
+/*
+ * Type of the generic DER encoder.
+ */
+typedef asn_enc_rval_t (der_type_encoder_f)(
+               struct asn_TYPE_descriptor_s *type_descriptor,
+               void *struct_ptr,       /* Structure to be encoded */
+               int tag_mode,           /* {-1,0,1}: IMPLICIT, no, EXPLICIT */
+               ber_tlv_tag_t tag,
+               asn_app_consume_bytes_f *consume_bytes_cb,      /* Callback */
+               void *app_key           /* Arbitrary callback argument */
+       );
+
+
+/*******************************
+ * INTERNALLY USEFUL FUNCTIONS *
+ *******************************/
+
+/*
+ * Write out leading TL[v] sequence according to the type definition.
+ */
+ssize_t der_write_tags(
+               struct asn_TYPE_descriptor_s *type_descriptor,
+               size_t struct_length,
+               int tag_mode,           /* {-1,0,1}: IMPLICIT, no, EXPLICIT */
+               int last_tag_form,      /* {0,!0}: prim, constructed */
+               ber_tlv_tag_t tag,
+               asn_app_consume_bytes_f *consume_bytes_cb,
+               void *app_key
+       );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _DER_ENCODER_H_ */