BER Runtime Library Functions.

Classes
struct	_Asn1BufLocDescr
Modules
	BER/DER C Decode Functions.
	BER/DER C File Functions.
	BER/DER C Encode Functions.
	BER/PER C Utility Functions
	Streaming BER Runtime Library Functions.
Defines
#define	ASN_K_INDEFLEN   -9999
#define	XU_DUMP(msg)   xu_dump(msg,0,0)
#define	xd_resetp(pctxt)   rtxResetContext(pctxt)
#define	ASN1TAG2BYTE(tag)   ((OSOCTET)(((tag)&TM_B_IDCODE)|((tag)>>ASN1TAG_LSHIFT)))
#define	XD_MEMCPY1(pctxt, object_p)
#define	XD_FETCH1(pctxt)   ((pctxt)->buffer.data[(pctxt)->buffer.byteIndex++])
#define	XD_PEEKTAG(pctxt, tag)   (((pctxt)->buffer.data[(pctxt)->buffer.byteIndex] & (~0x20)) == (tag & (~0x20)))
#define	XD_PEEKPC(pctxt)   (((pctxt)->buffer.data[(pctxt)->buffer.byteIndex] & 0x20) == 0x20)
#define	XD_MATCHEOC(pctxt)
#define	XD_MATCHBYTES1(pctxt, b1)   ((pctxt)->buffer.data[(pctxt)->buffer.byteIndex] == b1)
#define	XD_MATCHBYTES2(pctxt, b1, b2)
#define	XD_MATCHBYTES3(pctxt, b1, b2, b3)
#define	XD_MATCHBYTES4(pctxt, b1, b2, b3, b4)
#define	XD_MATCHBYTES5(pctxt, b1, b2, b3, b4, b5)
#define	XD_BUMPIDX(pctxt, nbytes)   ((pctxt)->buffer.byteIndex += nbytes)
#define	XD_CHKBUFEND(pctxt)
#define	XD_CHKDEFLEN(pctxt, len)
#define	XD_CHKEOB(pctxt)
#define	XD_CHKEND(pctxt, ccb_p)
#define	XE_CHKBUF(pctxt, len)
#define	XE_PUT1(pctxt, ch)   (pctxt)->buffer.data[--(pctxt)->buffer.byteIndex] = ch;
#define	XE_PUT2(pctxt, ch1, ch2)
#define	XE_SAFEPUT1(pctxt, ch)   XE_CHKBUF(pctxt,1); (pctxt)->buffer.data[--(pctxt)->buffer.byteIndex] = ch;
Typedefs
typedef struct _Asn1BufLocDescr	Asn1BufLocDescr

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Detailed Description

The ASN.1 Basic Encoding Rules (BER) Runtime Library contains the low-level constants, types, and functions that are assembled by the compiler to encode/decode more complex structures.

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Define Documentation

#define XD_CHKBUFEND

(

pctxt

)

Value:

(((ASN1BUF_INDEFLEN(pctxt)) || \
((pctxt)->buffer.byteIndex <= (pctxt)->buffer.size)) ? 0 : RTERR_ENDOFBUF)

#define XD_CHKDEFLEN	(	pctxt,
		len		)

Value:

(((ASN1BUF_INDEFLEN(pctxt)) || \
(((pctxt)->buffer.byteIndex + len) <= (pctxt)->buffer.size)) ? \
0 : RTERR_ENDOFBUF)

#define XD_CHKEND	(	pctxt,
		ccb_p		)

Value:

(((ccb_p)->len == ASN_K_INDEFLEN) ? XD_CHKEOB(pctxt) : \
((OSRTBUFPTR(pctxt) - (ccb_p)->ptr >= (ccb_p)->len) || \
((pctxt)->buffer.byteIndex >= (pctxt)->buffer.size)))

#define XD_CHKEOB

(

pctxt

)

Value:

(((pctxt)->buffer.byteIndex + 2 > (pctxt)->buffer.size) ? TRUE : \
(((pctxt)->buffer.data[(pctxt)->buffer.byteIndex] == 0 && \
(pctxt)->buffer.data[(pctxt)->buffer.byteIndex + 1] == 0 ) ? \
TRUE : FALSE))

#define XD_MATCHBYTES2	(	pctxt,
		b1,
		b2		)

Value:

(((pctxt)->buffer.data[(pctxt)->buffer.byteIndex] == b1) && \
 ((pctxt)->buffer.data[(pctxt)->buffer.byteIndex+1] == b2))

#define XD_MATCHBYTES3	(	pctxt,
		b1,
		b2,
		b3		)

Value:

(((pctxt)->buffer.data[(pctxt)->buffer.byteIndex] == b1) && \
 ((pctxt)->buffer.data[(pctxt)->buffer.byteIndex+1] == b2) && \
 ((pctxt)->buffer.data[(pctxt)->buffer.byteIndex+2] == b3))

#define XD_MATCHBYTES4	(	pctxt,
		b1,
		b2,
		b3,
		b4		)

Value:

(((pctxt)->buffer.data[(pctxt)->buffer.byteIndex] == b1) && \
 ((pctxt)->buffer.data[(pctxt)->buffer.byteIndex+1] == b2) && \
 ((pctxt)->buffer.data[(pctxt)->buffer.byteIndex+2] == b3) && \
 ((pctxt)->buffer.data[(pctxt)->buffer.byteIndex+3] == b4))

#define XD_MATCHBYTES5	(	pctxt,
		b1,
		b2,
		b3,
		b4,
		b5		)

Value:

(((pctxt)->buffer.data[(pctxt)->buffer.byteIndex] == b1) && \
 ((pctxt)->buffer.data[(pctxt)->buffer.byteIndex+1] == b2) && \
 ((pctxt)->buffer.data[(pctxt)->buffer.byteIndex+2] == b3) && \
 ((pctxt)->buffer.data[(pctxt)->buffer.byteIndex+3] == b4) && \
 ((pctxt)->buffer.data[(pctxt)->buffer.byteIndex+4] == b5))

#define XD_MATCHEOC

(

pctxt

)

Value:

( ( (pctxt)->buffer.byteIndex + 2 <= (pctxt)->buffer.size ) && \
( (pctxt)->buffer.data[(pctxt)->buffer.byteIndex] == 0 ) && \
( (pctxt)->buffer.data[(pctxt)->buffer.byteIndex + 1] == 0 ) )

#define XD_MEMCPY1	(	pctxt,
		object_p		)

Value:

((ASN1BUF_INDEFLEN(pctxt) || \
((pctxt)->buffer.byteIndex < (pctxt)->buffer.size)) ? \
(*object_p = *OSRTBUFPTR(pctxt), (pctxt)->buffer.byteIndex ++, 0) : \
RTERR_ENDOFBUF)

#define XE_CHKBUF	(	pctxt,
		len		)

Value:

if (len > (pctxt)->buffer.byteIndex) { \
int xstat = xe_expandBuffer (pctxt, len); \
if (xstat != 0) return xstat; }

#define XE_PUT2	(	pctxt,
		ch1,
		ch2		)

Value:

(pctxt)->buffer.byteIndex -= 2; \
(pctxt)->buffer.data[(pctxt)->buffer.byteIndex] = ch1; \
(pctxt)->buffer.data[(pctxt)->buffer.byteIndex+1] = ch2;

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Typedef Documentation

typedef struct _Asn1BufLocDescr Asn1BufLocDescr

Buffer location descriptor