+++ /dev/null
-/*
- * Copyright (c) 2005-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
- * Redistribution and modifications are permitted subject to BSD license.
- */
-#ifndef ASN_BIT_DATA
-#define ASN_BIT_DATA
-
-#include <asn_system.h> /* Platform-specific types */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/*
- * This structure describes a position inside an incoming PER bit stream.
- */
-typedef struct asn_bit_data_s {
- const uint8_t *buffer; /* Pointer to the octet stream */
- size_t nboff; /* Bit offset to the meaningful bit */
- size_t nbits; /* Number of bits in the stream */
- size_t moved; /* Number of bits moved through this bit stream */
- int (*refill)(struct asn_bit_data_s *);
- void *refill_key;
-} asn_bit_data_t;
-
-/*
- * Create a contiguous non-refillable bit data structure.
- * Can be freed by FREEMEM().
- */
-asn_bit_data_t *asn_bit_data_new_contiguous(const void *data, size_t size_bits);
-
-/*
- * Extract a small number of bits (<= 31) from the specified PER data pointer.
- * This function returns -1 if the specified number of bits could not be
- * extracted due to EOD or other conditions.
- */
-int32_t asn_get_few_bits(asn_bit_data_t *, int get_nbits);
-
-/* Undo the immediately preceeding "get_few_bits" operation */
-void asn_get_undo(asn_bit_data_t *, int get_nbits);
-
-/*
- * Extract a large number of bits from the specified PER data pointer.
- * This function returns -1 if the specified number of bits could not be
- * extracted due to EOD or other conditions.
- */
-int asn_get_many_bits(asn_bit_data_t *, uint8_t *dst, int right_align,
- int get_nbits);
-
-/* Non-thread-safe debugging function, don't use it */
-char *asn_bit_data_string(asn_bit_data_t *);
-
-/*
- * This structure supports forming bit output.
- */
-typedef struct asn_bit_outp_s {
- uint8_t *buffer; /* Pointer into the (tmpspace) */
- size_t nboff; /* Bit offset to the meaningful bit */
- size_t nbits; /* Number of bits left in (tmpspace) */
- uint8_t tmpspace[32]; /* Preliminary storage to hold data */
- int (*output)(const void *data, size_t size, void *op_key);
- void *op_key; /* Key for (output) data callback */
- size_t flushed_bytes; /* Bytes already flushed through (output) */
-} asn_bit_outp_t;
-
-/* Output a small number of bits (<= 31) */
-int asn_put_few_bits(asn_bit_outp_t *, uint32_t bits, int obits);
-
-/* Output a large number of bits */
-int asn_put_many_bits(asn_bit_outp_t *, const uint8_t *src, int put_nbits);
-
-/*
- * Flush whole bytes (0 or more) through (outper) member.
- * The least significant bits which are not used are guaranteed to be set to 0.
- * Returns -1 if callback returns -1. Otherwise, 0.
- */
-int asn_put_aligned_flush(asn_bit_outp_t *);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* ASN_BIT_DATA */