diff options
Diffstat (limited to 'include/asn1c/per_support.h')
| -rw-r--r-- | include/asn1c/per_support.h | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/include/asn1c/per_support.h b/include/asn1c/per_support.h index 420bb83..7cb1a0c 100644 --- a/include/asn1c/per_support.h +++ b/include/asn1c/per_support.h @@ -1,5 +1,6 @@ /* - * Copyright (c) 2005, 2006 Lev Walkin <vlm@lionet.info>. All rights reserved. + * Copyright (c) 2005, 2006, 2007 Lev Walkin <vlm@lionet.info>. + * All rights reserved. * Redistribution and modifications are permitted subject to BSD license. */ #ifndef _PER_SUPPORT_H_ @@ -29,15 +30,20 @@ typedef struct asn_per_constraint_s { 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; /* * This structure describes a position inside an incoming PER bit stream. */ typedef struct asn_per_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 */ + 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_per_data_s *); + void *refill_key; } asn_per_data_t; /* @@ -47,6 +53,9 @@ typedef struct asn_per_data_s { */ int32_t per_get_few_bits(asn_per_data_t *per_data, int get_nbits); +/* Undo the immediately preceeding "get_few_bits" operation */ +void per_get_undo(asn_per_data_t *per_data, 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 @@ -63,10 +72,18 @@ ssize_t uper_get_length(asn_per_data_t *pd, 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); +/* Non-thread-safe debugging function, don't use it */ +char *per_data_string(asn_per_data_t *pd); + /* * This structure supports forming PER output. */ @@ -94,6 +111,12 @@ int per_put_many_bits(asn_per_outp_t *po, const uint8_t *src, int put_nbits); ssize_t uper_put_length(asn_per_outp_t *po, size_t whole_length); /* + * 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); |