Commit | Line | Data |
e7a1fdd7 |
1 | #define PERL_NO_GET_CONTEXT |
2 | #include "EXTERN.h" |
3 | #include "perl.h" |
4 | #include "XSUB.h" |
5 | #ifdef PERLIO_LAYERS |
6 | |
7 | #include "perliol.h" |
8 | |
9 | typedef struct |
10 | { |
11 | struct _PerlIO base; /* Base "class" info */ |
12 | HV * stash; |
13 | SV * obj; |
14 | SV * var; |
15 | SSize_t cnt; |
e7a1fdd7 |
16 | IO * io; |
17 | SV * fh; |
18 | CV *PUSHED; |
19 | CV *POPPED; |
20 | CV *OPEN; |
21 | CV *FDOPEN; |
22 | CV *SYSOPEN; |
23 | CV *GETARG; |
24 | CV *FILENO; |
25 | CV *READ; |
26 | CV *WRITE; |
27 | CV *FILL; |
28 | CV *CLOSE; |
29 | CV *SEEK; |
30 | CV *TELL; |
31 | CV *UNREAD; |
32 | CV *FLUSH; |
33 | CV *SETLINEBUF; |
34 | CV *CLEARERR; |
c7997937 |
35 | CV *mERROR; |
e7a1fdd7 |
36 | CV *mEOF; |
37 | } PerlIOVia; |
38 | |
39 | #define MYMethod(x) #x,&s->x |
40 | |
41 | CV * |
42 | PerlIOVia_fetchmethod(pTHX_ PerlIOVia *s,char *method,CV **save) |
43 | { |
44 | GV *gv = gv_fetchmeth(s->stash,method,strlen(method),0); |
45 | #if 0 |
46 | Perl_warn(aTHX_ "Lookup %s::%s => %p",HvNAME(s->stash),method,gv); |
47 | #endif |
48 | if (gv) |
49 | { |
50 | return *save = GvCV(gv); |
51 | } |
52 | else |
53 | { |
54 | return *save = (CV *) -1; |
55 | } |
e7a1fdd7 |
56 | } |
57 | |
d9dac8cd |
58 | /* |
59 | * Try and call method, possibly via cached lookup. |
60 | * If method does not exist return Nullsv (caller may fallback to another approach |
61 | * If method does exist call it with flags passing variable number of args |
62 | * Last arg is a "filehandle" to layer below (if present) |
63 | * Returns scalar returned by method (if any) otherwise sv_undef |
64 | */ |
65 | |
e7a1fdd7 |
66 | SV * |
67 | PerlIOVia_method(pTHX_ PerlIO *f,char *method,CV **save,int flags,...) |
68 | { |
69 | PerlIOVia *s = PerlIOSelf(f,PerlIOVia); |
70 | CV *cv = (*save) ? *save : PerlIOVia_fetchmethod(aTHX_ s,method,save); |
71 | SV *result = Nullsv; |
72 | va_list ap; |
73 | va_start(ap,flags); |
74 | if (cv != (CV *)-1) |
75 | { |
76 | IV count; |
77 | dSP; |
78 | SV *arg; |
e7a1fdd7 |
79 | ENTER; |
80 | PUSHMARK(sp); |
81 | XPUSHs(s->obj); |
82 | while ((arg = va_arg(ap,SV *))) |
83 | { |
84 | XPUSHs(arg); |
85 | } |
86 | if (*PerlIONext(f)) |
87 | { |
88 | if (!s->fh) |
89 | { |
90 | GV *gv = newGVgen(HvNAME(s->stash)); |
91 | GvIOp(gv) = newIO(); |
92 | s->fh = newRV_noinc((SV *)gv); |
93 | s->io = GvIOp(gv); |
94 | } |
95 | IoIFP(s->io) = PerlIONext(f); |
96 | IoOFP(s->io) = PerlIONext(f); |
97 | XPUSHs(s->fh); |
98 | } |
d9dac8cd |
99 | else |
100 | { |
101 | PerlIO_debug("No next\n"); |
102 | } |
e7a1fdd7 |
103 | PUTBACK; |
104 | count = call_sv((SV *)cv,flags); |
105 | if (count) |
106 | { |
107 | SPAGAIN; |
108 | result = POPs; |
109 | PUTBACK; |
110 | } |
111 | else |
112 | { |
113 | result = &PL_sv_undef; |
114 | } |
115 | LEAVE; |
116 | } |
117 | va_end(ap); |
118 | return result; |
119 | } |
120 | |
121 | IV |
f62ce20a |
122 | PerlIOVia_pushed(pTHX_ PerlIO *f, const char *mode, SV *arg) |
e7a1fdd7 |
123 | { |
f62ce20a |
124 | IV code = PerlIOBase_pushed(aTHX_ f,mode,Nullsv); |
e7a1fdd7 |
125 | if (code == 0) |
126 | { |
e7a1fdd7 |
127 | PerlIOVia *s = PerlIOSelf(f,PerlIOVia); |
128 | if (!arg) |
129 | { |
99ef548b |
130 | if (ckWARN(WARN_LAYER)) |
131 | Perl_warner(aTHX_ packWARN(WARN_LAYER), "No package specified"); |
d9dac8cd |
132 | errno = EINVAL; |
e7a1fdd7 |
133 | code = -1; |
134 | } |
135 | else |
136 | { |
137 | STRLEN pkglen = 0; |
138 | char *pkg = SvPV(arg,pkglen); |
267cbce7 |
139 | s->obj = SvREFCNT_inc(arg); |
e7a1fdd7 |
140 | s->stash = gv_stashpvn(pkg, pkglen, FALSE); |
141 | if (s->stash) |
142 | { |
143 | SV *modesv = (mode) ? sv_2mortal(newSVpvn(mode,strlen(mode))) : Nullsv; |
144 | SV *result = PerlIOVia_method(aTHX_ f,MYMethod(PUSHED),G_SCALAR,modesv,Nullsv); |
145 | if (result) |
146 | { |
147 | if (sv_isobject(result)) |
267cbce7 |
148 | { |
149 | s->obj = SvREFCNT_inc(result); |
150 | SvREFCNT_dec(arg); |
151 | } |
e7a1fdd7 |
152 | else if (SvIV(result) != 0) |
153 | return SvIV(result); |
154 | } |
155 | if (PerlIOVia_fetchmethod(aTHX_ s,MYMethod(FILL)) == (CV *) -1) |
156 | PerlIOBase(f)->flags &= ~PERLIO_F_FASTGETS; |
157 | else |
158 | PerlIOBase(f)->flags |= PERLIO_F_FASTGETS; |
159 | } |
160 | else |
161 | { |
99ef548b |
162 | if (ckWARN(WARN_LAYER)) |
163 | Perl_warner(aTHX_ packWARN(WARN_LAYER), "Cannot find package '%.*s'",(int) pkglen,pkg); |
267cbce7 |
164 | #ifdef ENOSYS |
165 | errno = ENOSYS; |
166 | #else |
167 | #ifdef ENOENT |
168 | errno = ENOENT; |
169 | #endif |
170 | #endif |
e7a1fdd7 |
171 | code = -1; |
172 | } |
173 | } |
174 | } |
175 | return code; |
176 | } |
177 | |
178 | PerlIO * |
d9dac8cd |
179 | PerlIOVia_open(pTHX_ PerlIO_funcs *self, PerlIO_list_t *layers, IV n, |
180 | const char *mode, int fd, int imode, int perm, |
181 | PerlIO *f, int narg, SV **args) |
e7a1fdd7 |
182 | { |
183 | if (!f) |
184 | { |
185 | f = PerlIO_push(aTHX_ PerlIO_allocate(aTHX),self,mode,PerlIOArg); |
186 | } |
187 | else |
188 | { |
d9dac8cd |
189 | /* Reopen */ |
e7a1fdd7 |
190 | if (!PerlIO_push(aTHX_ f,self,mode,PerlIOArg)) |
191 | return NULL; |
192 | } |
193 | if (f) |
194 | { |
195 | PerlIOVia *s = PerlIOSelf(f,PerlIOVia); |
196 | SV *result = Nullsv; |
197 | if (fd >= 0) |
198 | { |
199 | SV *fdsv = sv_2mortal(newSViv(fd)); |
200 | result = PerlIOVia_method(aTHX_ f,MYMethod(FDOPEN),G_SCALAR,fdsv,Nullsv); |
201 | } |
202 | else if (narg > 0) |
203 | { |
204 | if (*mode == '#') |
205 | { |
206 | SV *imodesv = sv_2mortal(newSViv(imode)); |
207 | SV *permsv = sv_2mortal(newSViv(perm)); |
208 | result = PerlIOVia_method(aTHX_ f,MYMethod(SYSOPEN),G_SCALAR,*args,imodesv,permsv,Nullsv); |
209 | } |
210 | else |
211 | { |
212 | result = PerlIOVia_method(aTHX_ f,MYMethod(OPEN),G_SCALAR,*args,Nullsv); |
213 | } |
214 | } |
215 | if (result) |
216 | { |
217 | if (sv_isobject(result)) |
218 | s->obj = SvREFCNT_inc(result); |
219 | else if (!SvTRUE(result)) |
220 | { |
221 | return NULL; |
222 | } |
223 | } |
224 | else |
d9dac8cd |
225 | { |
226 | /* Required open method not present */ |
227 | PerlIO_funcs *tab = NULL; |
228 | IV m = n-1; |
229 | while (m >= 0) { |
230 | PerlIO_funcs *t = PerlIO_layer_fetch(aTHX_ layers, m, NULL); |
231 | if (t && t->Open) { |
232 | tab = t; |
233 | break; |
234 | } |
235 | n--; |
236 | } |
237 | if (tab) { |
238 | if ((*tab->Open) (aTHX_ tab, layers, m, mode, fd, imode, perm, |
239 | PerlIONext(f), narg, args)) { |
240 | PerlIO_debug("Opened with %s => %p->%p\n",tab->name,PerlIONext(f),*PerlIONext(f)); |
241 | if (m + 1 < n) { |
242 | /* |
243 | * More layers above the one that we used to open - |
244 | * apply them now |
245 | */ |
246 | if (PerlIO_apply_layera(aTHX_ PerlIONext(f), mode, layers, m+1, n) != 0) { |
247 | /* If pushing layers fails close the file */ |
248 | PerlIO_close(f); |
249 | f = NULL; |
250 | } |
251 | } |
252 | return f; |
253 | } |
254 | else { |
255 | /* Sub-layer open failed */ |
256 | } |
257 | } |
258 | else { |
259 | /* Nothing to do the open */ |
260 | } |
261 | return NULL; |
262 | } |
e7a1fdd7 |
263 | } |
264 | return f; |
265 | } |
266 | |
267 | IV |
f62ce20a |
268 | PerlIOVia_popped(pTHX_ PerlIO *f) |
e7a1fdd7 |
269 | { |
e7a1fdd7 |
270 | PerlIOVia *s = PerlIOSelf(f,PerlIOVia); |
271 | PerlIOVia_method(aTHX_ f,MYMethod(POPPED),G_VOID,Nullsv); |
272 | if (s->var) |
273 | { |
274 | SvREFCNT_dec(s->var); |
275 | s->var = Nullsv; |
276 | } |
277 | |
278 | if (s->io) |
279 | { |
280 | IoIFP(s->io) = NULL; |
281 | IoOFP(s->io) = NULL; |
282 | } |
283 | if (s->fh) |
284 | { |
285 | SvREFCNT_dec(s->fh); |
286 | s->fh = Nullsv; |
287 | s->io = NULL; |
288 | } |
289 | if (s->obj) |
290 | { |
291 | SvREFCNT_dec(s->obj); |
292 | s->obj = Nullsv; |
293 | } |
294 | return 0; |
295 | } |
296 | |
297 | IV |
f62ce20a |
298 | PerlIOVia_close(pTHX_ PerlIO *f) |
e7a1fdd7 |
299 | { |
e7a1fdd7 |
300 | PerlIOVia *s = PerlIOSelf(f,PerlIOVia); |
f62ce20a |
301 | IV code = PerlIOBase_close(aTHX_ f); |
e7a1fdd7 |
302 | SV *result = PerlIOVia_method(aTHX_ f,MYMethod(CLOSE),G_SCALAR,Nullsv); |
303 | if (result && SvIV(result) != 0) |
304 | code = SvIV(result); |
305 | PerlIOBase(f)->flags &= ~(PERLIO_F_RDBUF|PERLIO_F_WRBUF); |
306 | return code; |
307 | } |
308 | |
309 | IV |
f62ce20a |
310 | PerlIOVia_fileno(pTHX_ PerlIO *f) |
e7a1fdd7 |
311 | { |
e7a1fdd7 |
312 | PerlIOVia *s = PerlIOSelf(f,PerlIOVia); |
313 | SV *result = PerlIOVia_method(aTHX_ f,MYMethod(FILENO),G_SCALAR,Nullsv); |
314 | return (result) ? SvIV(result) : PerlIO_fileno(PerlIONext(f)); |
315 | } |
316 | |
317 | IV |
f62ce20a |
318 | PerlIOVia_seek(pTHX_ PerlIO *f, Off_t offset, int whence) |
e7a1fdd7 |
319 | { |
e7a1fdd7 |
320 | PerlIOVia *s = PerlIOSelf(f,PerlIOVia); |
321 | SV *offsv = sv_2mortal(newSViv(offset)); |
9f16d962 |
322 | SV *whsv = sv_2mortal(newSViv(whence)); |
e7a1fdd7 |
323 | SV *result = PerlIOVia_method(aTHX_ f,MYMethod(SEEK),G_SCALAR,offsv,whsv,Nullsv); |
324 | return (result) ? SvIV(result) : -1; |
325 | } |
326 | |
327 | Off_t |
f62ce20a |
328 | PerlIOVia_tell(pTHX_ PerlIO *f) |
e7a1fdd7 |
329 | { |
e7a1fdd7 |
330 | PerlIOVia *s = PerlIOSelf(f,PerlIOVia); |
331 | SV *result = PerlIOVia_method(aTHX_ f,MYMethod(TELL),G_SCALAR,Nullsv); |
9f16d962 |
332 | return (result) ? (Off_t) SvIV(result) : (Off_t) -1; |
e7a1fdd7 |
333 | } |
334 | |
335 | SSize_t |
f62ce20a |
336 | PerlIOVia_unread(pTHX_ PerlIO *f, const void *vbuf, Size_t count) |
e7a1fdd7 |
337 | { |
e7a1fdd7 |
338 | PerlIOVia *s = PerlIOSelf(f,PerlIOVia); |
339 | SV *buf = sv_2mortal(newSVpvn((char *)vbuf,count)); |
340 | SV *result = PerlIOVia_method(aTHX_ f,MYMethod(UNREAD),G_SCALAR,buf,Nullsv); |
341 | if (result) |
342 | return (SSize_t) SvIV(result); |
343 | else |
344 | { |
f62ce20a |
345 | return PerlIOBase_unread(aTHX_ f,vbuf,count); |
e7a1fdd7 |
346 | } |
347 | } |
348 | |
349 | SSize_t |
f62ce20a |
350 | PerlIOVia_read(pTHX_ PerlIO *f, void *vbuf, Size_t count) |
e7a1fdd7 |
351 | { |
352 | SSize_t rd = 0; |
353 | if (PerlIOBase(f)->flags & PERLIO_F_CANREAD) |
354 | { |
355 | if (PerlIOBase(f)->flags & PERLIO_F_FASTGETS) |
356 | { |
f62ce20a |
357 | rd = PerlIOBase_read(aTHX_ f,vbuf,count); |
e7a1fdd7 |
358 | } |
359 | else |
360 | { |
e7a1fdd7 |
361 | PerlIOVia *s = PerlIOSelf(f,PerlIOVia); |
362 | SV *buf = sv_2mortal(newSV(count)); |
363 | SV *n = sv_2mortal(newSViv(count)); |
364 | SV *result = PerlIOVia_method(aTHX_ f,MYMethod(READ),G_SCALAR,buf,n,Nullsv); |
365 | if (result) |
366 | { |
367 | rd = (SSize_t) SvIV(result); |
368 | Move(SvPVX(buf),vbuf,rd,char); |
369 | return rd; |
370 | } |
371 | } |
372 | } |
373 | return rd; |
374 | } |
375 | |
376 | SSize_t |
f62ce20a |
377 | PerlIOVia_write(pTHX_ PerlIO *f, const void *vbuf, Size_t count) |
e7a1fdd7 |
378 | { |
379 | if (PerlIOBase(f)->flags & PERLIO_F_CANWRITE) |
380 | { |
e7a1fdd7 |
381 | PerlIOVia *s = PerlIOSelf(f,PerlIOVia); |
382 | SV *buf = newSVpvn((char *)vbuf,count); |
383 | SV *result = PerlIOVia_method(aTHX_ f,MYMethod(WRITE),G_SCALAR,buf,Nullsv); |
384 | SvREFCNT_dec(buf); |
385 | if (result) |
386 | return (SSize_t) SvIV(result); |
387 | return -1; |
388 | } |
389 | return 0; |
390 | } |
391 | |
392 | IV |
f62ce20a |
393 | PerlIOVia_fill(pTHX_ PerlIO *f) |
e7a1fdd7 |
394 | { |
395 | if (PerlIOBase(f)->flags & PERLIO_F_CANREAD) |
396 | { |
e7a1fdd7 |
397 | PerlIOVia *s = PerlIOSelf(f,PerlIOVia); |
398 | SV *result = PerlIOVia_method(aTHX_ f,MYMethod(FILL),G_SCALAR,Nullsv); |
399 | if (s->var) |
400 | { |
401 | SvREFCNT_dec(s->var); |
402 | s->var = Nullsv; |
403 | } |
404 | if (result && SvOK(result)) |
405 | { |
406 | STRLEN len = 0; |
407 | char *p = SvPV(result,len); |
408 | s->var = newSVpvn(p,len); |
409 | s->cnt = SvCUR(s->var); |
410 | return 0; |
411 | } |
412 | else |
413 | PerlIOBase(f)->flags |= PERLIO_F_EOF; |
414 | } |
415 | return -1; |
416 | } |
417 | |
418 | IV |
f62ce20a |
419 | PerlIOVia_flush(pTHX_ PerlIO *f) |
e7a1fdd7 |
420 | { |
e7a1fdd7 |
421 | PerlIOVia *s = PerlIOSelf(f,PerlIOVia); |
422 | SV *result = PerlIOVia_method(aTHX_ f,MYMethod(FLUSH),G_SCALAR,Nullsv); |
423 | if (s->var && s->cnt > 0) |
424 | { |
425 | SvREFCNT_dec(s->var); |
426 | s->var = Nullsv; |
427 | } |
428 | return (result) ? SvIV(result) : 0; |
429 | } |
430 | |
431 | STDCHAR * |
f62ce20a |
432 | PerlIOVia_get_base(pTHX_ PerlIO *f) |
e7a1fdd7 |
433 | { |
434 | if (PerlIOBase(f)->flags & PERLIO_F_CANREAD) |
435 | { |
e7a1fdd7 |
436 | PerlIOVia *s = PerlIOSelf(f,PerlIOVia); |
437 | if (s->var) |
438 | { |
439 | return (STDCHAR *)SvPVX(s->var); |
440 | } |
441 | } |
442 | return (STDCHAR *) Nullch; |
443 | } |
444 | |
445 | STDCHAR * |
f62ce20a |
446 | PerlIOVia_get_ptr(pTHX_ PerlIO *f) |
e7a1fdd7 |
447 | { |
448 | if (PerlIOBase(f)->flags & PERLIO_F_CANREAD) |
449 | { |
450 | PerlIOVia *s = PerlIOSelf(f,PerlIOVia); |
451 | if (s->var) |
452 | { |
e7a1fdd7 |
453 | STDCHAR *p = (STDCHAR *)(SvEND(s->var) - s->cnt); |
454 | return p; |
455 | } |
456 | } |
457 | return (STDCHAR *) Nullch; |
458 | } |
459 | |
460 | SSize_t |
f62ce20a |
461 | PerlIOVia_get_cnt(pTHX_ PerlIO *f) |
e7a1fdd7 |
462 | { |
463 | if (PerlIOBase(f)->flags & PERLIO_F_CANREAD) |
464 | { |
465 | PerlIOVia *s = PerlIOSelf(f,PerlIOVia); |
466 | if (s->var) |
467 | { |
468 | return s->cnt; |
469 | } |
470 | } |
471 | return 0; |
472 | } |
473 | |
474 | Size_t |
f62ce20a |
475 | PerlIOVia_bufsiz(pTHX_ PerlIO *f) |
e7a1fdd7 |
476 | { |
477 | if (PerlIOBase(f)->flags & PERLIO_F_CANREAD) |
478 | { |
479 | PerlIOVia *s = PerlIOSelf(f,PerlIOVia); |
480 | if (s->var) |
481 | return SvCUR(s->var); |
482 | } |
483 | return 0; |
484 | } |
485 | |
486 | void |
f62ce20a |
487 | PerlIOVia_set_ptrcnt(pTHX_ PerlIO *f, STDCHAR *ptr, SSize_t cnt) |
e7a1fdd7 |
488 | { |
489 | PerlIOVia *s = PerlIOSelf(f,PerlIOVia); |
490 | s->cnt = cnt; |
491 | } |
492 | |
493 | void |
f62ce20a |
494 | PerlIOVia_setlinebuf(pTHX_ PerlIO *f) |
e7a1fdd7 |
495 | { |
e7a1fdd7 |
496 | PerlIOVia *s = PerlIOSelf(f,PerlIOVia); |
497 | PerlIOVia_method(aTHX_ f,MYMethod(SETLINEBUF),G_VOID,Nullsv); |
f62ce20a |
498 | PerlIOBase_setlinebuf(aTHX_ f); |
e7a1fdd7 |
499 | } |
500 | |
501 | void |
f62ce20a |
502 | PerlIOVia_clearerr(pTHX_ PerlIO *f) |
e7a1fdd7 |
503 | { |
e7a1fdd7 |
504 | PerlIOVia *s = PerlIOSelf(f,PerlIOVia); |
505 | PerlIOVia_method(aTHX_ f,MYMethod(CLEARERR),G_VOID,Nullsv); |
f62ce20a |
506 | PerlIOBase_clearerr(aTHX_ f); |
e7a1fdd7 |
507 | } |
508 | |
c7997937 |
509 | IV |
f62ce20a |
510 | PerlIOVia_error(pTHX_ PerlIO *f) |
e7a1fdd7 |
511 | { |
e7a1fdd7 |
512 | PerlIOVia *s = PerlIOSelf(f,PerlIOVia); |
c7997937 |
513 | SV *result = PerlIOVia_method(aTHX_ f,"ERROR",&s->mERROR,G_SCALAR,Nullsv); |
f62ce20a |
514 | return (result) ? SvIV(result) : PerlIOBase_error(aTHX_ f); |
e7a1fdd7 |
515 | } |
516 | |
517 | IV |
f62ce20a |
518 | PerlIOVia_eof(pTHX_ PerlIO *f) |
e7a1fdd7 |
519 | { |
e7a1fdd7 |
520 | PerlIOVia *s = PerlIOSelf(f,PerlIOVia); |
521 | SV *result = PerlIOVia_method(aTHX_ f,"EOF",&s->mEOF,G_SCALAR,Nullsv); |
f62ce20a |
522 | return (result) ? SvIV(result) : PerlIOBase_eof(aTHX_ f); |
e7a1fdd7 |
523 | } |
524 | |
ecdeb87c |
525 | SV * |
526 | PerlIOVia_getarg(pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
527 | { |
528 | PerlIOVia *s = PerlIOSelf(f,PerlIOVia); |
529 | return PerlIOVia_method(aTHX_ f,MYMethod(GETARG),G_SCALAR,Nullsv); |
530 | } |
531 | |
8cf8f3d1 |
532 | PerlIO * |
ecdeb87c |
533 | PerlIOVia_dup(pTHX_ PerlIO *f, PerlIO *o, CLONE_PARAMS *param, int flags) |
8cf8f3d1 |
534 | { |
ecdeb87c |
535 | if ((f = PerlIOBase_dup(aTHX_ f, o, param, flags))) |
9f16d962 |
536 | { |
ecdeb87c |
537 | /* Most of the fields will lazily set themselves up as needed |
9f16d962 |
538 | stash and obj have been set up by the implied push |
539 | */ |
540 | } |
541 | return f; |
8cf8f3d1 |
542 | } |
543 | |
e7a1fdd7 |
544 | PerlIO_funcs PerlIO_object = { |
545 | "Via", |
546 | sizeof(PerlIOVia), |
547 | PERLIO_K_BUFFERED|PERLIO_K_DESTRUCT, |
548 | PerlIOVia_pushed, |
549 | PerlIOVia_popped, |
d9dac8cd |
550 | PerlIOVia_open, /* NULL, */ |
e7a1fdd7 |
551 | PerlIOVia_getarg, |
552 | PerlIOVia_fileno, |
8cf8f3d1 |
553 | PerlIOVia_dup, |
e7a1fdd7 |
554 | PerlIOVia_read, |
555 | PerlIOVia_unread, |
556 | PerlIOVia_write, |
557 | PerlIOVia_seek, |
558 | PerlIOVia_tell, |
559 | PerlIOVia_close, |
560 | PerlIOVia_flush, |
561 | PerlIOVia_fill, |
562 | PerlIOVia_eof, |
563 | PerlIOVia_error, |
564 | PerlIOVia_clearerr, |
565 | PerlIOVia_setlinebuf, |
566 | PerlIOVia_get_base, |
567 | PerlIOVia_bufsiz, |
568 | PerlIOVia_get_ptr, |
569 | PerlIOVia_get_cnt, |
570 | PerlIOVia_set_ptrcnt, |
571 | }; |
572 | |
573 | |
574 | #endif /* Layers available */ |
575 | |
576 | MODULE = PerlIO::Via PACKAGE = PerlIO::Via |
577 | PROTOTYPES: ENABLE; |
578 | |
579 | BOOT: |
580 | { |
581 | #ifdef PERLIO_LAYERS |
582 | PerlIO_define_layer(aTHX_ &PerlIO_object); |
583 | #endif |
584 | } |
585 | |