78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
#ifndef __ASN1COMMON_INCLUDE__
|
|
#define __ASN1COMMON_INCLUDE__
|
|
|
|
/******************************************************************************
|
|
* includes
|
|
*****************************************************************************/
|
|
|
|
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <sys/types.h>
|
|
#include <memory.h>
|
|
|
|
#include "embtypes.h"
|
|
|
|
/******************************************************************************
|
|
* defines
|
|
*****************************************************************************/
|
|
|
|
#define ASN1_UPER_ALIGNED 0
|
|
#define ASN1_APER_ALIGNED 1
|
|
#define ASN1_OER_ALIGNED 2
|
|
|
|
#define asn1_get_error(S) ((S)->error)
|
|
|
|
#define asn1_get_bits_consumed(O) ((O)->consumed)
|
|
#define asn1_get_bytes_consumed(O) ((O)->consumed?(((O)->consumed-1)/8+1):0)
|
|
|
|
#define asn1_init_extension(E) memset((E),0,sizeof(ASN1_Extension))
|
|
#define asn1_init_bitstream(E) memset((E),0,sizeof(ASN1_BitStream))
|
|
|
|
/******************************************************************************
|
|
* structs & typedefs
|
|
*****************************************************************************/
|
|
|
|
typedef struct _asn1_stream {
|
|
uint8_t *buf; // pointer to first byte
|
|
uint8_t *ptr; // pointer to current byte
|
|
uint8_t alloc; // set if alloc'd
|
|
uint8_t align; // alignment
|
|
uint8_t error; // set if error
|
|
uint16_t bit; // current bit in byte
|
|
uint16_t max; // maximum bits
|
|
uint16_t consumed;// bits consumed
|
|
} ASN1_Stream;
|
|
|
|
typedef struct _asn1_bitstream {
|
|
uint64_t value; // value
|
|
uint16_t max; // maximum bits
|
|
} ASN1_BitStream;
|
|
|
|
typedef struct _asn1_extension {
|
|
uint64_t value; // extension+option bits
|
|
uint8_t ellipses; // 0 or 1
|
|
uint8_t options; // # options
|
|
uint16_t length; // length of extension
|
|
} ASN1_Extension;
|
|
|
|
/******************************************************************************
|
|
* function prototypes
|
|
*****************************************************************************/
|
|
/* export C functions to C++ */
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
void asn1_set_debug(uint8_t flag);
|
|
extern uint8_t _asn1_debug_on_;
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
/******************************************************************************
|
|
* Macros
|
|
* ***************************************************************************/
|
|
|
|
#endif
|