1 |
#include "EXTERN.h" |
2 |
#include "perl.h" |
3 |
#include "XSUB.h" |
4 |
|
5 |
// C99 required |
6 |
|
7 |
//#define BENCHMARK |
8 |
|
9 |
#define ASN_BOOLEAN 0x01 |
10 |
#define ASN_INTEGER32 0x02 |
11 |
#define ASN_OCTET_STRING 0x04 |
12 |
#define ASN_NULL 0x05 |
13 |
#define ASN_OBJECT_IDENTIFIER 0x06 |
14 |
#define ASN_SEQUENCE 0x30 |
15 |
#define ASN_IPADDRESS 0x40 |
16 |
#define ASN_COUNTER32 0x41 |
17 |
#define ASN_UNSIGNED32 0x42 |
18 |
#define ASN_TIMETICKS 0x43 |
19 |
#define ASN_OPAQUE 0x44 |
20 |
#define ASN_COUNTER64 0x46 |
21 |
|
22 |
#define MAX_OID_STRLEN 4096 |
23 |
|
24 |
#define HAVE_VERSIONSORT defined (_GNU_SOURCE) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1 |
25 |
|
26 |
static SV *cur_bufobj; |
27 |
static SV *msg, *bufsv; |
28 |
static int errflag, leading_dot; |
29 |
static U8 *buf, *cur; |
30 |
static STRLEN len, rem; |
31 |
|
32 |
typedef SV *BUFOBJ; |
33 |
|
34 |
///////////////////////////////////////////////////////////////////////////// |
35 |
|
36 |
#if 0 |
37 |
if (msg) |
38 |
croak ("recursive invocation of Net::SNMP::XS parser is not supported"); |
39 |
|
40 |
|
41 |
void |
42 |
clr_msg () |
43 |
CODE: |
44 |
SvREFCNT_dec (msg); msg = 0; |
45 |
buf = cur = (U8 *)""; |
46 |
len = rem = 0; |
47 |
#endif |
48 |
|
49 |
static void |
50 |
clear_bufobj (void) |
51 |
{ |
52 |
// serialise our state back |
53 |
if (msg && SvROK (msg)) |
54 |
{ |
55 |
SV *idx_sv = *hv_fetch ((HV *)cur_bufobj, "_index" , sizeof ("_index" ) - 1, 1); |
56 |
sv_setiv (idx_sv, cur - buf); |
57 |
} |
58 |
|
59 |
SvREFCNT_dec (msg); |
60 |
msg = 0; |
61 |
cur_bufobj = 0; |
62 |
} |
63 |
|
64 |
static void |
65 |
switch_bufobj (BUFOBJ neu) |
66 |
{ |
67 |
clear_bufobj (); |
68 |
|
69 |
msg = newSVsv (neu); |
70 |
cur_bufobj = SvRV (msg); |
71 |
sv_rvweaken (msg); |
72 |
|
73 |
errflag = 0; |
74 |
leading_dot = -1; |
75 |
|
76 |
IV index = SvIV (*hv_fetch ((HV *)cur_bufobj, "_index" , sizeof ("_index" ) - 1, 1)); |
77 |
bufsv = *hv_fetch ((HV *)cur_bufobj, "_buffer", sizeof ("_buffer") - 1, 1); |
78 |
|
79 |
buf = SvPVbyte (bufsv, len); |
80 |
cur = buf + index; |
81 |
rem = len - index; |
82 |
} |
83 |
|
84 |
///////////////////////////////////////////////////////////////////////////// |
85 |
|
86 |
static SV * |
87 |
x_get_cv (SV *cb_sv) |
88 |
{ |
89 |
HV *st; |
90 |
GV *gvp; |
91 |
CV *cv = sv_2cv (cb_sv, &st, &gvp, 0); |
92 |
|
93 |
if (!cv) |
94 |
croak ("CODE reference expected"); |
95 |
|
96 |
return (SV *)cv; |
97 |
} |
98 |
|
99 |
static void |
100 |
error (const char *errmsg) |
101 |
{ |
102 |
errflag = 1; |
103 |
|
104 |
if (!msg) |
105 |
croak ("Net::SNMP::XS fatal error, parser called without parsing context"); |
106 |
|
107 |
dSP; |
108 |
PUSHMARK (SP); |
109 |
EXTEND (SP, 2); |
110 |
PUSHs (msg); |
111 |
PUSHs (sv_2mortal (newSVpv (errmsg, 0))); |
112 |
PUTBACK; |
113 |
call_method ("_error", G_VOID | G_DISCARD); |
114 |
} |
115 |
|
116 |
static int |
117 |
need (int count) |
118 |
{ |
119 |
if (count < 0 || (int)rem < count) |
120 |
{ |
121 |
error ("Unexpected end of message buffer"); |
122 |
return 0; |
123 |
} |
124 |
|
125 |
return 1; |
126 |
} |
127 |
|
128 |
static U8 * |
129 |
getn (int count, const U8 *errres) |
130 |
{ |
131 |
if (!need (count)) |
132 |
return (U8 *)errres; |
133 |
|
134 |
U8 *res = cur; |
135 |
|
136 |
cur += count; |
137 |
rem -= count; |
138 |
|
139 |
return res; |
140 |
} |
141 |
|
142 |
static U8 |
143 |
get8 (void) |
144 |
{ |
145 |
if (rem <= 0) |
146 |
{ |
147 |
error ("Unexpected end of message buffer"); |
148 |
return 0; |
149 |
} |
150 |
|
151 |
rem--; |
152 |
return *cur++; |
153 |
} |
154 |
|
155 |
static U32 |
156 |
getb (void) |
157 |
{ |
158 |
U32 res = 0; |
159 |
|
160 |
for (;;) |
161 |
{ |
162 |
U8 c = get8 (); |
163 |
res = (res << 7) | (c & 0x7f); |
164 |
|
165 |
if (!(c & 0x80)) |
166 |
return res; |
167 |
} |
168 |
} |
169 |
|
170 |
#ifdef BENCHMARK |
171 |
static double t1; |
172 |
|
173 |
static double |
174 |
tstamp (void) |
175 |
{ |
176 |
struct timeval tv; |
177 |
gettimeofday (&tv, 0); |
178 |
return tv.tv_sec + tv.tv_usec * 0.000001; |
179 |
} |
180 |
#endif |
181 |
|
182 |
static U32 |
183 |
process_length (void) |
184 |
{ |
185 |
U32 res = get8 (); |
186 |
|
187 |
if (res & 0x80) |
188 |
{ |
189 |
int cnt = res & 0x7f; |
190 |
res = 0; |
191 |
|
192 |
switch (cnt) |
193 |
{ |
194 |
case 0: |
195 |
error ("Indefinite ASN.1 lengths not supported"); |
196 |
return 0; |
197 |
|
198 |
default: |
199 |
error ("ASN.1 length too long"); |
200 |
return 0; |
201 |
|
202 |
case 4: res = (res << 8) | get8 (); |
203 |
case 3: res = (res << 8) | get8 (); |
204 |
case 2: res = (res << 8) | get8 (); |
205 |
case 1: res = (res << 8) | get8 (); |
206 |
} |
207 |
} |
208 |
|
209 |
return res; |
210 |
} |
211 |
|
212 |
static U32 |
213 |
process_integer32 (void) |
214 |
{ |
215 |
U32 length = process_length (); |
216 |
|
217 |
if (length <= 0) |
218 |
{ |
219 |
error ("INTEGER32 length equal to zero"); |
220 |
return 0; |
221 |
} |
222 |
|
223 |
U8 *data = getn (length, 0); |
224 |
|
225 |
if (!data) |
226 |
return 0; |
227 |
|
228 |
if (length > 5 || (length > 4 && data [0])) |
229 |
{ |
230 |
error ("INTEGER32 length too long"); |
231 |
return 0; |
232 |
} |
233 |
|
234 |
U32 res = data [0] & 0x80 ? 0xffffffff : 0; |
235 |
|
236 |
while (length--) |
237 |
res = (res << 8) | *data++; |
238 |
|
239 |
return res; |
240 |
} |
241 |
|
242 |
static SV * |
243 |
process_integer32_sv (void) |
244 |
{ |
245 |
return newSViv ((I32)process_integer32 ()); |
246 |
} |
247 |
|
248 |
static SV * |
249 |
process_unsigned32_sv (void) |
250 |
{ |
251 |
return newSVuv ((U32)process_integer32 ()); |
252 |
} |
253 |
|
254 |
#if IVSIZE >= 8 |
255 |
|
256 |
static U64TYPE |
257 |
process_integer64 (void) |
258 |
{ |
259 |
U32 length = process_length (); |
260 |
|
261 |
if (length <= 0) |
262 |
{ |
263 |
error ("INTEGER64 length equal to zero"); |
264 |
return 0; |
265 |
} |
266 |
|
267 |
U8 *data = getn (length, 0); |
268 |
|
269 |
if (!data) |
270 |
return 0; |
271 |
|
272 |
if (length > 9 || (length > 8 && data [0])) |
273 |
{ |
274 |
error ("INTEGER64 length too long"); |
275 |
return 0; |
276 |
} |
277 |
|
278 |
U64TYPE res = data [0] & 0x80 ? 0xffffffffffffffff : 0; |
279 |
|
280 |
while (length--) |
281 |
res = (res << 8) | *data++; |
282 |
|
283 |
return res; |
284 |
} |
285 |
|
286 |
static SV * |
287 |
process_integer64_sv (void) |
288 |
{ |
289 |
return newSViv ((I64TYPE)process_integer64 ()); |
290 |
} |
291 |
|
292 |
static SV * |
293 |
process_unsigned64_sv (void) |
294 |
{ |
295 |
return newSVuv ((U64TYPE)process_integer64 ()); |
296 |
} |
297 |
|
298 |
#endif |
299 |
|
300 |
static SV * |
301 |
process_octet_string_sv (void) |
302 |
{ |
303 |
U32 length = process_length (); |
304 |
|
305 |
U8 *data = getn (length, 0); |
306 |
if (!data) |
307 |
{ |
308 |
error ("OCTET STRING too long"); |
309 |
return &PL_sv_undef; |
310 |
} |
311 |
|
312 |
return newSVpvn (data, length); |
313 |
} |
314 |
|
315 |
static char * |
316 |
write_uv (char *buf, U32 u) |
317 |
{ |
318 |
// the one-digit case is absolutely predominant |
319 |
if (u < 10) |
320 |
*buf++ = u + '0'; |
321 |
else |
322 |
buf += sprintf (buf, "%u", (unsigned int)u); |
323 |
|
324 |
return buf; |
325 |
} |
326 |
|
327 |
static SV * |
328 |
process_object_identifier_sv (void) |
329 |
{ |
330 |
U32 length = process_length (); |
331 |
|
332 |
if (length <= 0) |
333 |
{ |
334 |
error ("OBJECT IDENTIFIER length equal to zero"); |
335 |
return &PL_sv_undef; |
336 |
} |
337 |
|
338 |
U8 *end = cur + length; |
339 |
U32 w = getb (); |
340 |
|
341 |
static char oid[MAX_OID_STRLEN]; // must be static |
342 |
char *app = oid; |
343 |
|
344 |
if (leading_dot < 0) |
345 |
leading_dot = SvTRUE (*hv_fetch ((HV *)SvRV (msg), "_leading_dot", sizeof ("_leading_dot") - 1, 1)); |
346 |
|
347 |
*app = '.'; app += ! ! leading_dot; |
348 |
app = write_uv (app, (U8)w / 40); |
349 |
*app++ = '.'; |
350 |
app = write_uv (app, (U8)w % 40); |
351 |
|
352 |
// we assume an oid component is never > 64 bytes |
353 |
while (cur < end && oid + sizeof (oid) - app > 64) |
354 |
{ |
355 |
w = getb (); |
356 |
*app++ = '.'; |
357 |
app = write_uv (app, w); |
358 |
} |
359 |
|
360 |
return newSVpvn (oid, app - oid); |
361 |
} |
362 |
|
363 |
static AV *av_type; |
364 |
|
365 |
static SV * |
366 |
process_sv (int *found) |
367 |
{ |
368 |
int type = get8 (); |
369 |
|
370 |
*found = type; |
371 |
|
372 |
SV *res; |
373 |
|
374 |
switch (type) |
375 |
{ |
376 |
case ASN_OBJECT_IDENTIFIER: |
377 |
res = process_object_identifier_sv (); |
378 |
break; |
379 |
|
380 |
case ASN_INTEGER32: |
381 |
res = process_integer32_sv (); |
382 |
break; |
383 |
|
384 |
case ASN_UNSIGNED32: |
385 |
case ASN_COUNTER32: |
386 |
case ASN_TIMETICKS: |
387 |
res = process_unsigned32_sv (); |
388 |
break; |
389 |
|
390 |
case ASN_SEQUENCE: |
391 |
res = newSVuv (process_length ()); |
392 |
break; |
393 |
|
394 |
case ASN_OCTET_STRING: |
395 |
case ASN_OPAQUE: |
396 |
res = process_octet_string_sv (); |
397 |
break; |
398 |
|
399 |
default: |
400 |
{ |
401 |
if (type > AvFILLp (av_type) |
402 |
|| AvARRAY (av_type)[type] == 0 |
403 |
|| AvARRAY (av_type)[type] == &PL_sv_undef) |
404 |
{ |
405 |
error ("Unknown ASN.1 type"); |
406 |
return &PL_sv_undef; |
407 |
} |
408 |
|
409 |
dSP; |
410 |
PUSHMARK (SP); |
411 |
EXTEND (SP, 2); |
412 |
PUSHs (msg); |
413 |
PUSHs (sv_2mortal (newSViv (type))); |
414 |
PUTBACK; |
415 |
int count = call_sv (AvARRAY (av_type)[type], G_SCALAR); |
416 |
SPAGAIN; |
417 |
res = count ? SvREFCNT_inc (TOPs) : &PL_sv_undef; |
418 |
} |
419 |
} |
420 |
|
421 |
return errflag ? &PL_sv_undef : res; |
422 |
} |
423 |
|
424 |
///////////////////////////////////////////////////////////////////////////// |
425 |
|
426 |
#if HAVE_VERSIONSORT |
427 |
|
428 |
static int |
429 |
oid_lex_cmp (const void *a_, const void *b_) |
430 |
{ |
431 |
const char *a = SvPVX (*(SV **)a_); |
432 |
const char *b = SvPVX (*(SV **)b_); |
433 |
|
434 |
a += *a == '.'; |
435 |
b += *b == '.'; |
436 |
|
437 |
return strverscmp (a, b); |
438 |
} |
439 |
|
440 |
#endif |
441 |
|
442 |
MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::XS |
443 |
|
444 |
PROTOTYPES: ENABLE |
445 |
|
446 |
BOOT: |
447 |
av_type = newAV (); |
448 |
|
449 |
void |
450 |
set_type (int type, SV *cv) |
451 |
CODE: |
452 |
cv = x_get_cv (cv); |
453 |
assert (SvTYPE (cv) == SVt_PVCV); |
454 |
av_store (av_type, type, SvREFCNT_inc_NN (cv)); |
455 |
|
456 |
MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::Message |
457 |
|
458 |
void |
459 |
_buffer_append (BUFOBJ self, SV *value) |
460 |
ALIAS: |
461 |
_buffer_put = 1 |
462 |
PPCODE: |
463 |
{ |
464 |
STRLEN vlen; |
465 |
const char *vstr = SvPVbyte (value, vlen); |
466 |
|
467 |
if (ix) |
468 |
sv_insert (bufsv, 0, 0, vstr, vlen); |
469 |
else |
470 |
sv_catpvn (bufsv, vstr, vlen); |
471 |
|
472 |
buf = SvPVbyte (bufsv, len); |
473 |
cur = buf; |
474 |
rem = len; |
475 |
|
476 |
SV *len_sv = *hv_fetch ((HV *)cur_bufobj, "_length", sizeof ("_length") - 1, 1); |
477 |
sv_setiv (len_sv, len); |
478 |
|
479 |
// some callers test for defined'ness of the returnvalue. *sigh* |
480 |
XPUSHs (&PL_sv_yes); |
481 |
} |
482 |
|
483 |
void |
484 |
_buffer_get (BUFOBJ self, int count = -1) |
485 |
PPCODE: |
486 |
{ |
487 |
// grrr. |
488 |
if (count < 0) |
489 |
{ |
490 |
hv_delete ((HV *)SvRV (self), "_index" , 6, G_DISCARD); |
491 |
hv_delete ((HV *)SvRV (self), "_length", 7, G_DISCARD); |
492 |
XPUSHs (sv_2mortal (newSVsv (bufsv))); |
493 |
sv_setpvn (bufsv, "", 0); |
494 |
|
495 |
buf = ""; |
496 |
cur = buf; |
497 |
rem = 0; |
498 |
|
499 |
XSRETURN (1); |
500 |
} |
501 |
|
502 |
char *data = getn (count, 0); |
503 |
|
504 |
if (data) |
505 |
XPUSHs (sv_2mortal (newSVpvn (data, count))); |
506 |
} |
507 |
|
508 |
U32 |
509 |
index (BUFOBJ self, int ndx = -1) |
510 |
CODE: |
511 |
{ |
512 |
if (ndx >= 0 && ndx < len) |
513 |
{ |
514 |
cur = buf + ndx; |
515 |
rem = len - ndx; |
516 |
} |
517 |
|
518 |
RETVAL = cur - buf; |
519 |
} |
520 |
OUTPUT: |
521 |
RETVAL |
522 |
|
523 |
U32 |
524 |
_process_length (BUFOBJ self, ...) |
525 |
ALIAS: |
526 |
_process_sequence = 0 |
527 |
CODE: |
528 |
RETVAL = process_length (); |
529 |
OUTPUT: |
530 |
RETVAL |
531 |
|
532 |
SV * |
533 |
_process_integer32 (BUFOBJ self, ...) |
534 |
CODE: |
535 |
RETVAL = process_integer32_sv (); |
536 |
OUTPUT: |
537 |
RETVAL |
538 |
|
539 |
SV * |
540 |
_process_counter (BUFOBJ self, ...) |
541 |
ALIAS: |
542 |
_process_gauge = 0 |
543 |
_process_timeticks = 0 |
544 |
CODE: |
545 |
RETVAL = process_unsigned32_sv (); |
546 |
OUTPUT: |
547 |
RETVAL |
548 |
|
549 |
#if IVSIZE >= 8 |
550 |
|
551 |
SV * |
552 |
_process_counter64 (BUFOBJ self, ...) |
553 |
CODE: |
554 |
RETVAL = process_unsigned64_sv (); |
555 |
OUTPUT: |
556 |
RETVAL |
557 |
|
558 |
#endif |
559 |
|
560 |
SV * |
561 |
_process_object_identifier (BUFOBJ self, ...) |
562 |
CODE: |
563 |
RETVAL = process_object_identifier_sv (); |
564 |
OUTPUT: |
565 |
RETVAL |
566 |
|
567 |
SV * |
568 |
_process_octet_string (BUFOBJ self, ...) |
569 |
ALIAS: |
570 |
_process_opaque = 0 |
571 |
CODE: |
572 |
RETVAL = process_octet_string_sv (); |
573 |
OUTPUT: |
574 |
RETVAL |
575 |
|
576 |
SV * |
577 |
_process_ipaddress (BUFOBJ self, ...) |
578 |
CODE: |
579 |
{ |
580 |
U32 length = process_length (); |
581 |
if (length != 4) |
582 |
{ |
583 |
error ("IP ADDRESS length not four"); |
584 |
XSRETURN_UNDEF; |
585 |
} |
586 |
|
587 |
U8 *data = getn (4, "\x00\x00\x00\x00"); |
588 |
RETVAL = newSVpvf ("%d.%d.%d.%d", data [0], data [1], data [2], data [3]); |
589 |
} |
590 |
OUTPUT: |
591 |
RETVAL |
592 |
|
593 |
SV * |
594 |
process (BUFOBJ self, SV *expected = &PL_sv_undef, SV *found = 0) |
595 |
CODE: |
596 |
{ |
597 |
int type; |
598 |
|
599 |
RETVAL = process_sv (&type); |
600 |
|
601 |
if (found) |
602 |
sv_setiv (found, type); |
603 |
|
604 |
if (SvOK (expected) && type != SvIV (expected)) |
605 |
error ("Expected a different type than found"); |
606 |
} |
607 |
OUTPUT: |
608 |
RETVAL |
609 |
|
610 |
MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::PDU |
611 |
|
612 |
SV * |
613 |
_process_var_bind_list (BUFOBJ self) |
614 |
CODE: |
615 |
{ |
616 |
if (get8 () != ASN_SEQUENCE) |
617 |
error ("SEQUENCE expected at beginning of VarBindList"); |
618 |
int seqlen = process_length (); |
619 |
U8 *end = cur + seqlen; |
620 |
|
621 |
HV *list = newHV (); |
622 |
AV *names = newAV (); |
623 |
HV *types = newHV (); |
624 |
|
625 |
hv_store ((HV *)cur_bufobj, "_var_bind_list" , sizeof ("_var_bind_list" ) - 1, newRV_noinc ((SV *)list ), 0); |
626 |
hv_store ((HV *)cur_bufobj, "_var_bind_names", sizeof ("_var_bind_names") - 1, newRV_noinc ((SV *)names), 0); |
627 |
hv_store ((HV *)cur_bufobj, "_var_bind_types", sizeof ("_var_bind_types") - 1, newRV_noinc ((SV *)types), 0); |
628 |
|
629 |
while (cur < end && !errflag) |
630 |
{ |
631 |
// SEQUENCE ObjectName ObjectSyntax |
632 |
if (get8 () != ASN_SEQUENCE) |
633 |
error ("SEQUENCE expected at beginning of VarBind"); |
634 |
process_length (); |
635 |
|
636 |
if (get8 () != ASN_OBJECT_IDENTIFIER) |
637 |
error ("OBJECT IDENTIFIER expected at beginning of VarBind"); |
638 |
int type, oidlen; |
639 |
SV *oid = process_object_identifier_sv (); |
640 |
SV *val = process_sv (&type); |
641 |
|
642 |
hv_store_ent (types, oid, newSViv (type), 0); |
643 |
hv_store_ent (list , oid, val, 0); |
644 |
av_push (names, oid); |
645 |
} |
646 |
|
647 |
// sigh - great design to do it here |
648 |
SV *pdu_type = *hv_fetch ((HV *)cur_bufobj, "_pdu_type" , sizeof ("_pdu_type" ) - 1, 1); |
649 |
|
650 |
if (SvIV (pdu_type) == 0xa8) // REPORT |
651 |
{ |
652 |
PUSHMARK (SP); |
653 |
XPUSHs (msg); |
654 |
PUTBACK; |
655 |
call_method ("_report_pdu_error", G_VOID | G_DISCARD); |
656 |
SPAGAIN; |
657 |
XSRETURN_EMPTY; |
658 |
} |
659 |
|
660 |
RETVAL = newRV_inc ((SV *)list); |
661 |
} |
662 |
OUTPUT: |
663 |
RETVAL |
664 |
|
665 |
MODULE = Net::SNMP::XS PACKAGE = Net::SNMP |
666 |
|
667 |
void |
668 |
oid_base_match (SV *base_, SV *oid_) |
669 |
PROTOTYPE: $$ |
670 |
ALIAS: |
671 |
oid_context_match = 0 |
672 |
PPCODE: |
673 |
{ |
674 |
if (!SvOK (base_) || !SvOK (oid_)) |
675 |
XSRETURN_NO; |
676 |
|
677 |
STRLEN blen, olen; |
678 |
char *base = SvPVbyte (base_, blen); |
679 |
char *oid = SvPVbyte (oid_ , olen); |
680 |
|
681 |
blen -= *base == '.'; base += *base == '.'; |
682 |
olen -= *base == '.'; oid += *oid == '.'; |
683 |
|
684 |
if (olen < blen) |
685 |
XSRETURN_NO; |
686 |
|
687 |
if (memcmp (base, oid, blen)) |
688 |
XSRETURN_NO; |
689 |
|
690 |
if (oid [blen] && oid [blen] != '.') |
691 |
XSRETURN_NO; |
692 |
|
693 |
XSRETURN_YES; |
694 |
} |
695 |
|
696 |
#if HAVE_VERSIONSORT |
697 |
|
698 |
void |
699 |
oid_lex_sort (...) |
700 |
PROTOTYPE: @ |
701 |
PPCODE: |
702 |
{ |
703 |
// make sure SvPVX is valid |
704 |
int i; |
705 |
for (i = items; i--; ) |
706 |
{ |
707 |
SV *sv = ST (i); |
708 |
|
709 |
if (SvTYPE (sv) < SVt_PV || SvTYPE (sv) == SVt_PVAV && SvTYPE (sv) == SVt_PVHV) |
710 |
SvPV_force_nolen (sv); |
711 |
} |
712 |
|
713 |
qsort (&ST (0), items, sizeof (SV *), oid_lex_cmp); |
714 |
|
715 |
EXTEND (SP, items); |
716 |
// we cheat somewhat by not returning copies here |
717 |
for (i = 0; i < items; ++i) |
718 |
PUSHs (sv_2mortal (SvREFCNT_inc (ST (i)))); |
719 |
} |
720 |
|
721 |
int |
722 |
_index_cmp (const char *a, const char *b) |
723 |
PROTOTYPE: $$ |
724 |
CODE: |
725 |
RETVAL = strverscmp (a, b); |
726 |
OUTPUT: |
727 |
RETVAL |
728 |
|
729 |
#endif |
730 |
|