[ViewVC] Diff of: cvs/Convert-BER-XS/XS.xs

Comparing Convert-BER-XS/XS.xs (file contents):
Revision 1.16 by root, Sat Apr 20 15:37:27 2019 UTC vs.
Revision 1.30 by root, Tue Apr 23 20:03:08 2019 UTC

…		…
58	ASN_CLASS_SHIFT = 6,	58	ASN_CLASS_SHIFT = 6,
59		59
60	// ASN_APPLICATION SNMP	60	// ASN_APPLICATION SNMP
61	SNMP_IPADDRESS = 0x00,	61	SNMP_IPADDRESS = 0x00,
62	SNMP_COUNTER32 = 0x01,	62	SNMP_COUNTER32 = 0x01,
		63	SNMP_GAUGE32 = 0x02,
63	SNMP_UNSIGNED32 = 0x02,	64	SNMP_UNSIGNED32 = 0x02,
64	SNMP_TIMETICKS = 0x03,	65	SNMP_TIMETICKS = 0x03,
65	SNMP_OPAQUE = 0x04,	66	SNMP_OPAQUE = 0x04,
66	SNMP_COUNTER64 = 0x06,	67	SNMP_COUNTER64 = 0x06,
67	};	68	};
68		69
		70	// tlow-level types this module can ecode the above (and more) into
69	enum {	71	enum {
70	BER_TYPE_BYTES,	72	BER_TYPE_BYTES,
71	BER_TYPE_UTF8,	73	BER_TYPE_UTF8,
72	BER_TYPE_UCS2,	74	BER_TYPE_UCS2,
73	BER_TYPE_UCS4,	75	BER_TYPE_UCS4,
…		…
79	BER_TYPE_REAL,	81	BER_TYPE_REAL,
80	BER_TYPE_IPADDRESS,	82	BER_TYPE_IPADDRESS,
81	BER_TYPE_CROAK,	83	BER_TYPE_CROAK,
82	};	84	};
83		85
		86	// tuple array indices
84	enum {	87	enum {
85	BER_CLASS = 0,	88	BER_CLASS = 0,
86	BER_TAG = 1,	89	BER_TAG = 1,
87	BER_FLAGS = 2,	90	BER_FLAGS = 2,
88	BER_DATA = 3,	91	BER_DATA = 3,
…		…
140	{	143	{
141	if (!SvOK (profile))	144	if (!SvOK (profile))
142	return default_profile;	145	return default_profile;
143		146
144	if (!SvROK (profile))	147	if (!SvROK (profile))
145	croak ("invalid profile");	148	croak ("Convert::BER::XS::Profile expected");
146		149
147	profile = SvRV (profile);	150	profile = SvRV (profile);
148		151
149	if (SvSTASH (profile) != profile_stash)	152	if (SvSTASH (profile) != profile_stash)
150	croak ("invalid profile object");	153	croak ("Convert::BER::XS::Profile expected");
151		154
152	return (void *)profile;	155	return (void *)profile;
153	}	156	}
154		157
155	static int	158	static int
…		…
227	}	230	}
228		231
229	// get_* functions fetch something from the buffer	232	// get_* functions fetch something from the buffer
230	// decode_* functions use get_* fun ctions to decode ber values	233	// decode_* functions use get_* fun ctions to decode ber values
231		234
		235	// get single octet
		236	static U8
		237	get_u8 (void)
		238	{
		239	if (cur == end)
		240	error ("unexpected end of message buffer");
		241
		242	return *cur++;
		243	}
		244
232	// get n octets	245	// get n octets
233	static U8 *	246	static U8 *
234	get_n (UV count)	247	get_n (UV count)
235	{	248	{
236	want (count);	249	want (count);
237	U8 *res = cur;	250	U8 *res = cur;
238	cur += count;	251	cur += count;
239	return res;	252	return res;
240	}	253	}
241		254
242	// get single octet
243	static U8
244	get_u8 (void)
245	{
246	if (cur == end)
247	error ("unexpected end of message buffer");
248
249	return *cur++;
250	}
251
252	// get ber-encoded integer (i.e. pack "w")	255	// get ber-encoded integer (i.e. pack "w")
253	static UV	256	static UV
254	get_w (void)	257	get_w (void)
255	{	258	{
256	UV res = 0;	259	UV res = 0;
		260	U8 c = get_u8 ();
		261
		262	if (expect_false (c == 0x80))
		263	error ("illegal BER padding (X.690 8.1.2.4.2, 8.19.2)");
257		264
258	for (;;)	265	for (;;)
259	{	266	{
260	U8 c = get_u8 ();	267	if (expect_false (res >> UVSIZE * 8 - 7))
		268	error ("BER variable length integer overflow");
		269
261	res = (res << 7) \| (c & 0x7f);	270	res = (res << 7) \| (c & 0x7f);
262		271
263	if (!(c & 0x80))	272	if (expect_true (!(c & 0x80)))
264	return res;	273	return res;
		274
		275	c = get_u8 ();
265	}	276	}
266	}	277	}
267		278
268	static UV	279	static UV
269	get_length (void)	280	get_length (void)
270	{	281	{
271	UV res = get_u8 ();	282	UV res = get_u8 ();
272		283
273	if (res & 0x80)	284	if (expect_false (res & 0x80))
274	{	285	{
275	int cnt = res & 0x7f;	286	U8 cnt = res & 0x7f;
		287
		288	// this genewrates quite ugly code, but the overhead
		289	// of copying the bytes for these lengths is probably so high
		290	// that a slightly inefficient get_length won't matter.
		291
		292	if (expect_false (cnt == 0))
		293	error ("indefinite BER value lengths not supported");
		294
		295	if (expect_false (cnt > UVSIZE))
		296	error ("BER value length too long (must fit into UV) or BER reserved value in length (X.690 8.1.3.5)");
		297
		298	want (cnt);
		299
276	res = 0;	300	res = 0;
277		301	do
278	switch (cnt)	302	res = (res << 8) \| *cur++;
279	{	303	while (--cnt);
280	case 0:
281	error ("indefinite ASN.1 lengths not supported");
282	return 0;
283
284	default:
285	error ("ASN.1 length too long");
286	return 0;
287
288	case 8: res = (res << 8) \| get_u8 ();
289	case 7: res = (res << 8) \| get_u8 ();
290	case 6: res = (res << 8) \| get_u8 ();
291	case 5: res = (res << 8) \| get_u8 ();
292	case 4: res = (res << 8) \| get_u8 ();
293	case 3: res = (res << 8) \| get_u8 ();
294	case 2: res = (res << 8) \| get_u8 ();
295	case 1: res = (res << 8) \| get_u8 ();
296	}
297	}	304	}
298		305
299	return res;	306	return res;
300	}	307	}
301		308
302	static SV *	309	static SV *
303	decode_int (void)	310	decode_int (UV len)
304	{	311	{
305	UV len = get_length ();
306
307	if (!len)	312	if (!len)
308	{	313	error ("invalid BER_TYPE_INT length zero (X.690 8.3.1)");
309	error ("invalid integer length equal to zero");
310	return 0;
311	}
312		314
313	U8 *data = get_n (len);	315	U8 *data = get_n (len);
314		316
		317	if (expect_false (len > 1))
		318	{
		319	U16 mask = (data [0] << 8) \| data [1] & 0xff80;
		320
		321	if (expect_false (mask == 0xff80 \|\| mask == 0x0000))
		322	error ("illegal padding in BER_TYPE_INT (X.690 8.3.2)");
		323	}
		324
315	int negative = data [0] & 0x80;	325	int negative = data [0] & 0x80;
316		326
317	UV val = negative ? -1 : 0; // copy signbit to all bits	327	UV val = negative ? -1 : 0; // copy signbit to all bits
		328
		329	if (len > UVSIZE + (!negative && !*data))
		330	error ("BER_TYPE_INT overflow");
318		331
319	do	332	do
320	val = (val << 8) \| *data++;	333	val = (val << 8) \| *data++;
321	while (--len);	334	while (--len);
322		335
…		…
324	// but that's ok, as perl relies on it as well.	337	// but that's ok, as perl relies on it as well.
325	return negative ? newSViv ((IV)val) : newSVuv (val);	338	return negative ? newSViv ((IV)val) : newSVuv (val);
326	}	339	}
327		340
328	static SV *	341	static SV *
329	decode_data (void)	342	decode_data (UV len)
330	{	343	{
331	UV len = get_length ();
332	return newSVpvn ((char *)get_n (len), len);	344	return newSVpvn ((char *)get_n (len), len);
333	}	345	}
334		346
335	// helper for decode_object_identifier	347	// helper for decode_object_identifier
336	static char *	348	static char *
…		…
364		376
365	return buf;	377	return buf;
366	}	378	}
367		379
368	static SV *	380	static SV *
369	decode_oid (int relative)	381	decode_oid (UV len, int relative)
370	{	382	{
371	UV len = get_length ();
372
373	if (len <= 0)	383	if (len <= 0)
374	{	384	{
375	error ("OBJECT IDENTIFIER length equal to zero");	385	error ("BER_TYPE_OID length must not be zero");
376	return &PL_sv_undef;	386	return &PL_sv_undef;
377	}	387	}
378		388
379	U8 *end = cur + len;	389	U8 *end = cur + len;
380	UV w = get_w ();	390	UV w = get_w ();
381		391
382	static char oid[MAX_OID_STRLEN]; // static, becaueds too large for stack	392	static char oid[MAX_OID_STRLEN]; // static, because too large for stack
383	char *app = oid;	393	char *app = oid;
384		394
385	if (relative)	395	if (relative)
386	app = write_uv (app, w);	396	app = write_uv (app, w);
387	else	397	else
388	{	398	{
		399	UV w1, w2;
		400
		401	if (w < 2 * 40)
		402	(w1 = w / 40), (w2 = w % 40);
		403	else
		404	(w1 = 2), (w2 = w - 2 * 40);
		405
389	app = write_uv (app, (U8)w / 40);	406	app = write_uv (app, w1);
390	*app++ = '.';	407	*app++ = '.';
391	app = write_uv (app, (U8)w % 40);	408	app = write_uv (app, w2);
392	}	409	}
393		410
394	while (cur < end)	411	while (cur < end)
395	{	412	{
396	// we assume an oid component is never > 64 digits	413	// we assume an oid component is never > 64 digits
…		…
405	return newSVpvn (oid, app - oid);	422	return newSVpvn (oid, app - oid);
406	}	423	}
407		424
408	// TODO: this is unacceptably slow	425	// TODO: this is unacceptably slow
409	static SV *	426	static SV *
410	decode_ucs (int chrsize)	427	decode_ucs (UV len, int chrsize)
411	{	428	{
412	SV *res = NEWSV (0, 0);
413
414	UV len = get_length ();
415
416	if (len & (chrsize - 1))	429	if (len & (chrsize - 1))
417	croak ("BER_TYPE_UCS has an invalid number of octets (%d)", len);	430	croak ("BER_TYPE_UCS has an invalid number of octets (%d)", len);
		431
		432	SV *res = NEWSV (0, 0);
418		433
419	while (len)	434	while (len)
420	{	435	{
421	U8 b1 = get_u8 ();	436	U8 b1 = get_u8 ();
422	U8 b2 = get_u8 ();	437	U8 b2 = get_u8 ();
…		…
453	int tag = identifier & ASN_TAG_MASK;	468	int tag = identifier & ASN_TAG_MASK;
454		469
455	if (tag == ASN_TAG_BER)	470	if (tag == ASN_TAG_BER)
456	tag = get_w ();	471	tag = get_w ();
457		472
458	if (tag == ASN_TAG_BER)
459	tag = get_w ();
460
461	if (constructed)	473	if (constructed)
462	{	474	{
463	UV len = get_length ();	475	UV len = get_length ();
464	UV seqend = (cur - buf) + len;	476	UV seqend = (cur - buf) + len;
465	AV av = (AV )sv_2mortal ((SV *)newAV ());	477	AV av = (AV )sv_2mortal ((SV *)newAV ());
466		478
467	while (cur < buf + seqend)	479	while (cur < buf + seqend)
468	av_push (av, decode_ber ());	480	av_push (av, decode_ber ());
469		481
470	if (cur > buf + seqend)	482	if (expect_false (cur > buf + seqend))
471	croak ("constructed type %02x overflow (%x %x)\n", identifier, cur - buf, seqend);	483	croak ("CONSTRUCTED type %02x length overflow (0x%x 0x%x)\n", identifier, (int)(cur - buf), (int)seqend);
472		484
473	res = newRV_inc ((SV *)av);	485	res = newRV_inc ((SV *)av);
474	}	486	}
475	else	487	else
		488	{
		489	UV len = get_length ();
		490
476	switch (profile_lookup (cur_profile, klass, tag))	491	switch (profile_lookup (cur_profile, klass, tag))
477	{	492	{
478	case BER_TYPE_NULL:	493	case BER_TYPE_NULL:
479	{	494	if (expect_false (len))
480	UV len = get_length ();
481
482	if (len)
483	croak ("BER_TYPE_NULL value with non-zero length %d encountered", len);	495	croak ("BER_TYPE_NULL value with non-zero length %d encountered (X.690 8.8.2)", len);
484		496
485	res = &PL_sv_undef;	497	res = &PL_sv_undef;
486	}
487	break;	498	break;
488		499
489	case BER_TYPE_BOOL:	500	case BER_TYPE_BOOL:
490	{
491	UV len = get_length ();
492
493	if (len != 1)	501	if (expect_false (len != 1))
494	croak ("BER_TYPE_BOOLEAN value with invalid length %d encountered", len);	502	croak ("BER_TYPE_BOOLEAN value with invalid length %d encountered (X.690 8.2.1)", len);
495		503
496	res = newSVcacheint (!!get_u8 ());	504	res = newSVcacheint (!!get_u8 ());
497	}
498	break;	505	break;
499		506
500	case BER_TYPE_OID:	507	case BER_TYPE_OID:
501	res = decode_oid (0);	508	res = decode_oid (len, 0);
502	break;	509	break;
503		510
504	case BER_TYPE_RELOID:	511	case BER_TYPE_RELOID:
505	res = decode_oid (1);	512	res = decode_oid (len, 1);
506	break;	513	break;
507		514
508	case BER_TYPE_INT:	515	case BER_TYPE_INT:
509	res = decode_int ();	516	res = decode_int (len);
510	break;	517	break;
511		518
512	case BER_TYPE_UTF8:	519	case BER_TYPE_UTF8:
513	res = decode_data ();	520	res = decode_data (len);
514	SvUTF8_on (res);	521	SvUTF8_on (res);
515	break;	522	break;
516		523
517	case BER_TYPE_BYTES:	524	case BER_TYPE_BYTES:
518	res = decode_data ();	525	res = decode_data (len);
519	break;	526	break;
520		527
521	case BER_TYPE_IPADDRESS:	528	case BER_TYPE_IPADDRESS:
522	{	529	{
523	UV len = get_length ();
524
525	if (len != 4)	530	if (len != 4)
526	croak ("BER_TYPE_IPADDRESS type with invalid length %d encountered", len);	531	croak ("BER_TYPE_IPADDRESS type with invalid length %d encountered (RFC 2578 7.1.5)", len);
527		532
528	U8 c1 = get_u8 ();	533	U8 *data = get_n (4);
529	U8 c2 = get_u8 ();	534	res = newSVpvf ("%d.%d.%d.%d", data [0], data [1], data [2], data [3]);
530	U8 c3 = get_u8 ();
531	U8 c4 = get_u8 ();
532
533	res = newSVpvf ("%d.%d.%d.%d", c1, c2, c3, c4);
534	}	535	}
535	break;	536	break;
536		537
537	case BER_TYPE_UCS2:	538	case BER_TYPE_UCS2:
538	res = decode_ucs (2);	539	res = decode_ucs (len, 2);
539	break;	540	break;
540		541
541	case BER_TYPE_UCS4:	542	case BER_TYPE_UCS4:
542	res = decode_ucs (4);	543	res = decode_ucs (len, 4);
543	break;	544	break;
544		545
545	case BER_TYPE_REAL:	546	case BER_TYPE_REAL:
		547	error ("BER_TYPE_REAL not implemented");
		548
546	case BER_TYPE_CROAK:	549	case BER_TYPE_CROAK:
		550	croak ("class/tag %d/%d mapped to BER_TYPE_CROAK", klass, tag);
		551
547	default:	552	default:
548	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);	553	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);
549	}	554	}
		555	}
550		556
551	AV *av = newAV ();	557	AV *av = newAV ();
552	av_fill (av, BER_ARRAYSIZE - 1);	558	av_fill (av, BER_ARRAYSIZE - 1);
553	AvARRAY (av)[BER_CLASS] = newSVcacheint (klass);	559	AvARRAY (av)[BER_CLASS] = newSVcacheint (klass);
554	AvARRAY (av)[BER_TAG ] = newSVcacheint (tag);	560	AvARRAY (av)[BER_TAG ] = newSVcacheint (tag);
…		…
566	strlen_sum (STRLEN l1, STRLEN l2)	572	strlen_sum (STRLEN l1, STRLEN l2)
567	{	573	{
568	size_t sum = l1 + l2;	574	size_t sum = l1 + l2;
569		575
570	if (sum < (size_t)l2 \|\| sum != (size_t)(STRLEN)sum)	576	if (sum < (size_t)l2 \|\| sum != (size_t)(STRLEN)sum)
571	croak ("JSON::XS: string size overflow");	577	croak ("Convert::BER::XS: string size overflow");
572		578
573	return sum;	579	return sum;
574	}	580	}
575		581
576	static void	582	static void
…		…
641	}	647	}
642		648
643	static U8 *	649	static U8 *
644	put_length_at (UV val, U8 *cur)	650	put_length_at (UV val, U8 *cur)
645	{	651	{
646	if (val < 0x7fU)	652	if (val <= 0x7fU)
647	*cur++ = val;	653	*cur++ = val;
648	else	654	else
649	{	655	{
650	U8 *lenb = cur++;	656	U8 *lenb = cur++;
651		657
652	#if UVSIZE > 4	658	#if UVSIZE > 4
653	cur = val >> 56; cur += cur > 0;	659	cur = val >> 56; cur += val >= ((UV)1 << (8 7));
654	cur = val >> 48; cur += cur > 0;	660	cur = val >> 48; cur += val >= ((UV)1 << (8 6));
655	cur = val >> 40; cur += cur > 0;	661	cur = val >> 40; cur += val >= ((UV)1 << (8 5));
656	cur = val >> 32; cur += cur > 0;	662	cur = val >> 32; cur += val >= ((UV)1 << (8 4));
657	#endif	663	#endif
658	cur = val >> 24; cur += cur > 0;	664	cur = val >> 24; cur += val >= ((UV)1 << (8 3));
659	cur = val >> 16; cur += cur > 0;	665	cur = val >> 16; cur += val >= ((UV)1 << (8 2));
660	cur = val >> 8; cur += cur > 0;	666	cur = val >> 8; cur += val >= ((UV)1 << (8 1));
661	*cur = val ; cur += 1;	667	*cur = val ; cur += 1;
662		668
663	*lenb = 0x80 + cur - lenb - 1;	669	*lenb = 0x80 + cur - lenb - 1;
664	}	670	}
665		671
…		…
667	}	673	}
668		674
669	static void	675	static void
670	put_length (UV val)	676	put_length (UV val)
671	{	677	{
672	need (5 + val);	678	need (9 + val);
673	cur = put_length_at (val, cur);	679	cur = put_length_at (val, cur);
674	}	680	}
675		681
676	// return how many bytes the encoded length requires	682	// return how many bytes the encoded length requires
677	static int length_length (UV val)	683	static int length_length (UV val)
678	{	684	{
679	return val < 0x7fU	685	// use hashing with a DeBruin sequence, anyone?
		686	return expect_true (val <= 0x7fU)
680	? 1	687	? 1
681	: 2	688	: 2
682	+ (val > 0xffU)	689	+ (val > 0x000000000000ffU)
683	+ (val > 0xffffU)	690	+ (val > 0x0000000000ffffU)
684	+ (val > 0xffffffU)	691	+ (val > 0x00000000ffffffU)
685	#if UVSIZE > 4	692	#if UVSIZE > 4
686	+ (val > 0xffffffffU)	693	+ (val > 0x000000ffffffffU)
687	+ (val > 0xffffffffffU)	694	+ (val > 0x0000ffffffffffU)
688	+ (val > 0xffffffffffffU)	695	+ (val > 0x00ffffffffffffU)
689	+ (val > 0xffffffffffffffU)	696	+ (val > 0xffffffffffffffU)
690	#endif	697	#endif
691	;	698	;
692	}	699	}
693		700
…		…
902	// and adjust later	909	// and adjust later
903	need (1);	910	need (1);
904	STRLEN mark = len_fixup_mark ();	911	STRLEN mark = len_fixup_mark ();
905		912
906	if (expect_false (!SvROK (data) \|\| SvTYPE (SvRV (data)) != SVt_PVAV))	913	if (expect_false (!SvROK (data) \|\| SvTYPE (SvRV (data)) != SVt_PVAV))
907	croak ("BER constructed data must be array-reference");	914	croak ("BER CONSTRUCTED data must be array-reference");
908		915
909	AV av = (AV )SvRV (data);	916	AV av = (AV )SvRV (data);
910	int fill = AvFILL (av);	917	int fill = AvFILL (av);
911		918
912	if (expect_false (SvRMAGICAL (av)))	919	if (expect_false (SvRMAGICAL (av)))
913	croak ("BER constructed data must not be tied");	920	croak ("BER CONSTRUCTED data must not be tied");
914		921
915	int i;	922	int i;
916	for (i = 0; i <= fill; ++i)	923	for (i = 0; i <= fill; ++i)
917	encode_ber (AvARRAY (av)[i]);	924	encode_ber (AvARRAY (av)[i]);
918		925
…		…
925	put_length (0);	932	put_length (0);
926	break;	933	break;
927		934
928	case BER_TYPE_BOOL:	935	case BER_TYPE_BOOL:
929	put_length (1);	936	put_length (1);
930	*cur++ = SvTRUE (data) ? 0xff : 0x00;	937	*cur++ = SvTRUE (data) ? 0xff : 0x00; // 0xff = DER/CER
931	break;	938	break;
932		939
933	case BER_TYPE_OID:	940	case BER_TYPE_OID:
934	encode_oid (data, 0);	941	encode_oid (data, 0);
935	break;	942	break;
…		…
973	case BER_TYPE_UCS4:	980	case BER_TYPE_UCS4:
974	encode_ucs (data, 4);	981	encode_ucs (data, 4);
975	break;	982	break;
976		983
977	case BER_TYPE_REAL:	984	case BER_TYPE_REAL:
		985	croak ("BER_TYPE_REAL not implemented");
		986
978	case BER_TYPE_CROAK:	987	case BER_TYPE_CROAK:
		988	croak ("class/tag %d/%d mapped to BER_TYPE_CROAK", klass, tag);
		989
979	default:	990	default:
980	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);	991	croak ("unconfigured/unsupported class/tag %d/%d", klass, tag);
981	}	992	}
982		993
983	}	994	}
…		…
1055	const_iv (BER_TYPE_IPADDRESS)	1066	const_iv (BER_TYPE_IPADDRESS)
1056	const_iv (BER_TYPE_CROAK)	1067	const_iv (BER_TYPE_CROAK)
1057		1068
1058	const_iv (SNMP_IPADDRESS)	1069	const_iv (SNMP_IPADDRESS)
1059	const_iv (SNMP_COUNTER32)	1070	const_iv (SNMP_COUNTER32)
		1071	const_iv (SNMP_GAUGE32)
1060	const_iv (SNMP_UNSIGNED32)	1072	const_iv (SNMP_UNSIGNED32)
1061	const_iv (SNMP_TIMETICKS)	1073	const_iv (SNMP_TIMETICKS)
1062	const_iv (SNMP_OPAQUE)	1074	const_iv (SNMP_OPAQUE)
1063	const_iv (SNMP_COUNTER64)	1075	const_iv (SNMP_COUNTER64)
1064	};	1076	};
1065		1077
1066	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1078	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1067	newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1079	newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1068	}	1080	}
1069		1081
1070	SV *	1082	void
1071	ber_decode (SV ber, SV profile = &PL_sv_undef)	1083	ber_decode (SV ber, SV profile = &PL_sv_undef)
		1084	ALIAS:
		1085	ber_decode_prefix = 1
1072	CODE:	1086	PPCODE:
1073	{	1087	{
1074	cur_profile = SvPROFILE (profile);	1088	cur_profile = SvPROFILE (profile);
1075	STRLEN len;	1089	STRLEN len;
1076	buf = (U8 *)SvPVbyte (ber, len);	1090	buf = (U8 *)SvPVbyte (ber, len);
1077	cur = buf;	1091	cur = buf;
1078	end = buf + len;	1092	end = buf + len;
1079		1093
1080	RETVAL = decode_ber ();	1094	SV *tuple = decode_ber ();
		1095
		1096	EXTEND (SP, 2);
		1097	PUSHs (sv_2mortal (tuple));
		1098
		1099	if (ix)
		1100	PUSHs (sv_2mortal (newSViv (cur - buf)));
		1101	else if (cur != end)
		1102	error ("trailing garbage after BER value");
1081	}	1103	}
1082	OUTPUT: RETVAL
1083		1104
1084	void	1105	void
1085	ber_is (SV tuple, SV klass = &PL_sv_undef, SV tag = &PL_sv_undef, SV flags = &PL_sv_undef, SV *data = &PL_sv_undef)	1106	ber_is (SV tuple, SV klass = &PL_sv_undef, SV tag = &PL_sv_undef, SV flags = &PL_sv_undef, SV *data = &PL_sv_undef)
1086	PPCODE:	1107	PPCODE:
1087	{	1108	{

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Comparing Convert-BER-XS/XS.xs (file contents): Revision 1.16 by root, Sat Apr 20 15:37:27 2019 UTC vs. Revision 1.30 by root, Tue Apr 23 20:03:08 2019 UTC

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Comparing Convert-BER-XS/XS.xs (file contents):
Revision 1.16 by root, Sat Apr 20 15:37:27 2019 UTC vs.
Revision 1.30 by root, Tue Apr 23 20:03:08 2019 UTC