Port to CMake, get rid of os_int.h.

[stg.git] / libs / smux / NULL.c

diff --git a/libs/smux/NULL.c b/libs/smux/NULL.c
new file mode 100644 (file)
index 0000000..6d3316f
--- /dev/null
+++ b/libs/smux/NULL.c
@@ -0,0 +1,147 @@
+/*-
+ * Copyright (c) 2003, 2005 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#include <asn_internal.h>
+#include <asn_codecs_prim.h>
+#include <NULL.h>
+#include <BOOLEAN.h>   /* Implemented in terms of BOOLEAN type */
+
+/*
+ * NULL basic type description.
+ */
+static ber_tlv_tag_t asn_DEF_NULL_tags[] = {
+       (ASN_TAG_CLASS_UNIVERSAL | (5 << 2))
+};
+asn_TYPE_descriptor_t asn_DEF_NULL = {
+       "NULL",
+       "NULL",
+       BOOLEAN_free,
+       NULL_print,
+       asn_generic_no_constraint,
+       BOOLEAN_decode_ber,     /* Implemented in terms of BOOLEAN */
+       NULL_encode_der,        /* Special handling of DER encoding */
+       NULL_decode_xer,
+       NULL_encode_xer,
+       NULL_decode_uper,       /* Unaligned PER decoder */
+       NULL_encode_uper,       /* Unaligned PER encoder */
+       0, /* Use generic outmost tag fetcher */
+       asn_DEF_NULL_tags,
+       sizeof(asn_DEF_NULL_tags) / sizeof(asn_DEF_NULL_tags[0]),
+       asn_DEF_NULL_tags,      /* Same as above */
+       sizeof(asn_DEF_NULL_tags) / sizeof(asn_DEF_NULL_tags[0]),
+       0,      /* No PER visible constraints */
+       0, 0,   /* No members */
+       0       /* No specifics */
+};
+
+asn_enc_rval_t
+NULL_encode_der(asn_TYPE_descriptor_t *td, void *ptr,
+       int tag_mode, ber_tlv_tag_t tag,
+       asn_app_consume_bytes_f *cb, void *app_key) {
+       asn_enc_rval_t erval;
+
+       erval.encoded = der_write_tags(td, 0, tag_mode, 0, tag, cb, app_key);
+       if(erval.encoded == -1) {
+               erval.failed_type = td;
+               erval.structure_ptr = ptr;
+       }
+
+       _ASN_ENCODED_OK(erval);
+}
+
+asn_enc_rval_t
+NULL_encode_xer(asn_TYPE_descriptor_t *td, void *sptr,
+       int ilevel, enum xer_encoder_flags_e flags,
+               asn_app_consume_bytes_f *cb, void *app_key) {
+       asn_enc_rval_t er;
+
+       (void)td;
+       (void)sptr;
+       (void)ilevel;
+       (void)flags;
+       (void)cb;
+       (void)app_key;
+
+       /* XMLNullValue is empty */
+       er.encoded = 0;
+       _ASN_ENCODED_OK(er);
+}
+
+
+static enum xer_pbd_rval
+NULL__xer_body_decode(asn_TYPE_descriptor_t *td, void *sptr, const void *chunk_buf, size_t chunk_size) {
+       (void)td;
+       (void)sptr;
+
+       if(xer_is_whitespace(chunk_buf, chunk_size))
+               return XPBD_BODY_CONSUMED;
+       else
+               return XPBD_BROKEN_ENCODING;
+}
+
+asn_dec_rval_t
+NULL_decode_xer(asn_codec_ctx_t *opt_codec_ctx,
+       asn_TYPE_descriptor_t *td, void **sptr, const char *opt_mname,
+               const void *buf_ptr, size_t size) {
+
+       return xer_decode_primitive(opt_codec_ctx, td,
+               sptr, sizeof(NULL_t), opt_mname, buf_ptr, size,
+               NULL__xer_body_decode);
+}
+
+int
+NULL_print(asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
+       asn_app_consume_bytes_f *cb, void *app_key) {
+
+       (void)td;       /* Unused argument */
+       (void)ilevel;   /* Unused argument */
+
+       if(sptr) {
+               return (cb("<present>", 9, app_key) < 0) ? -1 : 0;
+       } else {
+               return (cb("<absent>", 8, app_key) < 0) ? -1 : 0;
+       }
+}
+
+asn_dec_rval_t
+NULL_decode_uper(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
+       asn_per_constraints_t *constraints, void **sptr, asn_per_data_t *pd) {
+       asn_dec_rval_t rv;
+
+       (void)opt_codec_ctx;
+       (void)td;
+       (void)constraints;
+       (void)pd;
+
+       if(!*sptr) {
+               *sptr = MALLOC(sizeof(NULL_t));
+               if(*sptr) {
+                       *(NULL_t *)*sptr = 0;
+               } else {
+                       _ASN_DECODE_FAILED;
+               }
+       }
+
+       /*
+        * NULL type does not have content octets.
+        */
+
+       rv.code = RC_OK;
+       rv.consumed = 0;
+       return rv;
+}
+
+asn_enc_rval_t
+NULL_encode_uper(asn_TYPE_descriptor_t *td, asn_per_constraints_t *constraints,
+               void *sptr, asn_per_outp_t *po) {
+       asn_enc_rval_t er;
+
+       (void)td;
+       (void)constraints;
+       (void)sptr;
+       (void)po;
+
+       er.encoded = 0;
+       _ASN_ENCODED_OK(er);
+}