X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?p=sim%2Fe2-interface.git;a=blobdiff_plain;f=e2sim%2Fasn1c%2Fuper_support.h;fp=e2sim%2Fasn1c%2Fuper_support.h;h=6c9d4ea741359573a593f89b07017e1483d686ce;hp=0000000000000000000000000000000000000000;hb=f5900596513e4359fc839ba361da085674e90b68;hpb=215d350dbe06a4c7ee370815f26128a7f7e160cb

diff --git a/e2sim/asn1c/uper_support.h b/e2sim/asn1c/uper_support.h
new file mode 100644
index 0000000..6c9d4ea
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+++ b/e2sim/asn1c/uper_support.h
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2005-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef	_UPER_SUPPORT_H_
+#define	_UPER_SUPPORT_H_
+
+#include <asn_system.h>		/* Platform-specific types */
+#include <per_support.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * X.691 (08/2015) #11.9 "General rules for encoding a length determinant"
+ * Get the length "n" from the Unaligned PER stream.
+ */
+ssize_t uper_get_length(asn_per_data_t *pd, int effective_bound_bits,
+                        size_t lower_bound, int *repeat);
+
+/*
+ * Get the normally small length "n".
+ */
+ssize_t uper_get_nslength(asn_per_data_t *pd);
+
+/*
+ * Get the normally small non-negative whole number.
+ */
+ssize_t uper_get_nsnnwn(asn_per_data_t *pd);
+
+/* X.691-2008/11, #11.5.6 */
+int uper_get_constrained_whole_number(asn_per_data_t *pd, uintmax_t *v, int nbits);
+
+/*
+ * Rebase the given value as an offset into the range specified by the
+ * lower bound (lb) and upper bound (ub).
+ * RETURN VALUES:
+ *  -1: Conversion failed due to range problems.
+ *   0: Conversion was successful.
+ */
+int per_long_range_rebase(long, intmax_t lb, intmax_t ub, unsigned long *output);
+int per_imax_range_rebase(intmax_t v, intmax_t lb, intmax_t ub, uintmax_t *output);
+/* The inverse operation: restores the value by the offset and its bounds. */
+int per_long_range_unrebase(unsigned long inp, intmax_t lb, intmax_t ub, long *outp);
+int per_imax_range_unrebase(uintmax_t inp, intmax_t lb, intmax_t ub, intmax_t *outp);
+
+/* X.691-2008/11, #11.5 */
+int uper_put_constrained_whole_number_u(asn_per_outp_t *po, uintmax_t v, int nbits);
+
+/*
+ * X.691 (08/2015) #11.9 "General rules for encoding a length determinant"
+ * Put the length "whole_length" to the Unaligned PER stream.
+ * If (opt_need_eom) is given, it will be set to 1 if final 0-length is needed.
+ * In that case, invoke uper_put_length(po, 0, 0) after encoding the last block.
+ * This function returns the number of units which may be flushed
+ * in the next units saving iteration.
+ */
+ssize_t uper_put_length(asn_per_outp_t *po, size_t whole_length,
+                        int *opt_need_eom);
+
+/*
+ * Put the normally small length "n" to the Unaligned PER stream.
+ * Returns 0 or -1.
+ */
+int uper_put_nslength(asn_per_outp_t *po, size_t length);
+
+/*
+ * Put the normally small non-negative whole number.
+ */
+int uper_put_nsnnwn(asn_per_outp_t *po, int n);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* _UPER_SUPPORT_H_ */