--- /dev/null
+/*
+ * Copyright (c) 2005-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef _PER_SUPPORT_H_
+#define _PER_SUPPORT_H_
+
+#include <asn_system.h> /* Platform-specific types */
+#include <asn_bit_data.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Pre-computed PER constraints.
+ */
+typedef struct asn_per_constraint_s {
+ enum asn_per_constraint_flags {
+ APC_UNCONSTRAINED = 0x0, /* No PER visible constraints */
+ APC_SEMI_CONSTRAINED = 0x1, /* Constrained at "lb" */
+ APC_CONSTRAINED = 0x2, /* Fully constrained */
+ APC_EXTENSIBLE = 0x4 /* May have extension */
+ } flags;
+ int range_bits; /* Full number of bits in the range */
+ int effective_bits; /* Effective bits */
+ intmax_t lower_bound; /* "lb" value */
+ intmax_t upper_bound; /* "ub" value */
+} asn_per_constraint_t;
+typedef struct asn_per_constraints_s {
+ asn_per_constraint_t value;
+ asn_per_constraint_t size;
+ int (*value2code)(unsigned int value);
+ int (*code2value)(unsigned int code);
+} asn_per_constraints_t;
+
+/* Temporary compatibility layer. Will get removed. */
+typedef struct asn_bit_data_s asn_per_data_t;
+#define per_get_few_bits(data, bits) asn_get_few_bits(data, bits)
+#define per_get_undo(data, bits) asn_get_undo(data, bits)
+#define per_get_many_bits(data, dst, align, bits) \
+ asn_get_many_bits(data, dst, align, bits)
+
+/* Temporary compatibility layer. Will get removed. */
+typedef struct asn_bit_outp_s asn_per_outp_t;
+#define per_put_few_bits(out, bits, obits) asn_put_few_bits(out, bits, obits)
+#define per_put_many_bits(out, src, nbits) asn_put_many_bits(out, src, nbits)
+#define per_put_aligned_flush(out) asn_put_aligned_flush(out)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _PER_SUPPORT_H_ */