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Rename again the warning about $* being no longer supported
[perl5.git] / reentr.c
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CommitLineData
1/*
2 * reentr.c
3 *
4 * Copyright (C) 2002, 2003, by Larry Wall and others
5 *
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8 *
9 * !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
10 * This file is built by reentrl.pl from data in reentr.pl.
11 *
12 * "Saruman," I said, standing away from him, "only one hand at a time can
13 * wield the One, and you know that well, so do not trouble to say we!"
14 *
15 */
16
17#include "EXTERN.h"
18#define PERL_IN_REENTR_C
19#include "perl.h"
20#include "reentr.h"
21
22void
23Perl_reentrant_size(pTHX) {
24#ifdef USE_REENTRANT_API
25#define REENTRANTSMALLSIZE 256 /* Make something up. */
26#define REENTRANTUSUALSIZE 4096 /* Make something up. */
27#ifdef HAS_ASCTIME_R
28 PL_reentrant_buffer->_asctime_size = REENTRANTSMALLSIZE;
29#endif /* HAS_ASCTIME_R */
30#ifdef HAS_CRYPT_R
31#endif /* HAS_CRYPT_R */
32#ifdef HAS_CTIME_R
33 PL_reentrant_buffer->_ctime_size = REENTRANTSMALLSIZE;
34#endif /* HAS_CTIME_R */
35#ifdef HAS_DRAND48_R
36#endif /* HAS_DRAND48_R */
37#ifdef HAS_GETGRNAM_R
38# if defined(HAS_SYSCONF) && defined(_SC_GETGR_R_SIZE_MAX) && !defined(__GLIBC__)
39 PL_reentrant_buffer->_grent_size = sysconf(_SC_GETGR_R_SIZE_MAX);
40 if (PL_reentrant_buffer->_grent_size == -1)
41 PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
42# else
43# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
44 PL_reentrant_buffer->_grent_size = SIABUFSIZ;
45# else
46# ifdef __sgi
47 PL_reentrant_buffer->_grent_size = BUFSIZ;
48# else
49 PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
50# endif
51# endif
52# endif
53#endif /* HAS_GETGRNAM_R */
54#ifdef HAS_GETHOSTBYNAME_R
55#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
56 PL_reentrant_buffer->_hostent_size = REENTRANTUSUALSIZE;
57#endif
58#endif /* HAS_GETHOSTBYNAME_R */
59#ifdef HAS_GETLOGIN_R
60 PL_reentrant_buffer->_getlogin_size = REENTRANTSMALLSIZE;
61#endif /* HAS_GETLOGIN_R */
62#ifdef HAS_GETNETBYNAME_R
63#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
64 PL_reentrant_buffer->_netent_size = REENTRANTUSUALSIZE;
65#endif
66#endif /* HAS_GETNETBYNAME_R */
67#ifdef HAS_GETPROTOBYNAME_R
68#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
69 PL_reentrant_buffer->_protoent_size = REENTRANTUSUALSIZE;
70#endif
71#endif /* HAS_GETPROTOBYNAME_R */
72#ifdef HAS_GETPWNAM_R
73# if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
74 PL_reentrant_buffer->_pwent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
75 if (PL_reentrant_buffer->_pwent_size == -1)
76 PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
77# else
78# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
79 PL_reentrant_buffer->_pwent_size = SIABUFSIZ;
80# else
81# ifdef __sgi
82 PL_reentrant_buffer->_pwent_size = BUFSIZ;
83# else
84 PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
85# endif
86# endif
87# endif
88#endif /* HAS_GETPWNAM_R */
89#ifdef HAS_GETSERVBYNAME_R
90#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
91 PL_reentrant_buffer->_servent_size = REENTRANTUSUALSIZE;
92#endif
93#endif /* HAS_GETSERVBYNAME_R */
94#ifdef HAS_GETSPNAM_R
95# if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
96 PL_reentrant_buffer->_spent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
97 if (PL_reentrant_buffer->_spent_size == -1)
98 PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
99# else
100# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
101 PL_reentrant_buffer->_spent_size = SIABUFSIZ;
102# else
103# ifdef __sgi
104 PL_reentrant_buffer->_spent_size = BUFSIZ;
105# else
106 PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
107# endif
108# endif
109# endif
110#endif /* HAS_GETSPNAM_R */
111#ifdef HAS_GMTIME_R
112#endif /* HAS_GMTIME_R */
113#ifdef HAS_LOCALTIME_R
114#endif /* HAS_LOCALTIME_R */
115#ifdef HAS_RANDOM_R
116#endif /* HAS_RANDOM_R */
117#ifdef HAS_READDIR_R
118 /* This is the size Solaris recommends.
119 * (though we go static, should use pathconf() instead) */
120 PL_reentrant_buffer->_readdir_size = sizeof(struct dirent) + MAXPATHLEN + 1;
121#endif /* HAS_READDIR_R */
122#ifdef HAS_READDIR64_R
123 /* This is the size Solaris recommends.
124 * (though we go static, should use pathconf() instead) */
125 PL_reentrant_buffer->_readdir64_size = sizeof(struct dirent64) + MAXPATHLEN + 1;
126#endif /* HAS_READDIR64_R */
127#ifdef HAS_SETLOCALE_R
128 PL_reentrant_buffer->_setlocale_size = REENTRANTSMALLSIZE;
129#endif /* HAS_SETLOCALE_R */
130#ifdef HAS_STRERROR_R
131 PL_reentrant_buffer->_strerror_size = REENTRANTSMALLSIZE;
132#endif /* HAS_STRERROR_R */
133#ifdef HAS_TTYNAME_R
134 PL_reentrant_buffer->_ttyname_size = REENTRANTSMALLSIZE;
135#endif /* HAS_TTYNAME_R */
136
137#endif /* USE_REENTRANT_API */
138}
139
140void
141Perl_reentrant_init(pTHX) {
142#ifdef USE_REENTRANT_API
143 New(31337, PL_reentrant_buffer, 1, REENTR);
144 Perl_reentrant_size(aTHX);
145#ifdef HAS_ASCTIME_R
146 New(31338, PL_reentrant_buffer->_asctime_buffer, PL_reentrant_buffer->_asctime_size, char);
147#endif /* HAS_ASCTIME_R */
148#ifdef HAS_CRYPT_R
149#if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
150 PL_reentrant_buffer->_crypt_struct_buffer = 0;
151#endif
152#endif /* HAS_CRYPT_R */
153#ifdef HAS_CTIME_R
154 New(31338, PL_reentrant_buffer->_ctime_buffer, PL_reentrant_buffer->_ctime_size, char);
155#endif /* HAS_CTIME_R */
156#ifdef HAS_DRAND48_R
157#endif /* HAS_DRAND48_R */
158#ifdef HAS_GETGRNAM_R
159# ifdef USE_GRENT_FPTR
160 PL_reentrant_buffer->_grent_fptr = NULL;
161# endif
162 New(31338, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, char);
163#endif /* HAS_GETGRNAM_R */
164#ifdef HAS_GETHOSTBYNAME_R
165#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
166 New(31338, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, char);
167#endif
168#endif /* HAS_GETHOSTBYNAME_R */
169#ifdef HAS_GETLOGIN_R
170 New(31338, PL_reentrant_buffer->_getlogin_buffer, PL_reentrant_buffer->_getlogin_size, char);
171#endif /* HAS_GETLOGIN_R */
172#ifdef HAS_GETNETBYNAME_R
173#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
174 New(31338, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, char);
175#endif
176#endif /* HAS_GETNETBYNAME_R */
177#ifdef HAS_GETPROTOBYNAME_R
178#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
179 New(31338, PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size, char);
180#endif
181#endif /* HAS_GETPROTOBYNAME_R */
182#ifdef HAS_GETPWNAM_R
183# ifdef USE_PWENT_FPTR
184 PL_reentrant_buffer->_pwent_fptr = NULL;
185# endif
186 New(31338, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, char);
187#endif /* HAS_GETPWNAM_R */
188#ifdef HAS_GETSERVBYNAME_R
189#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
190 New(31338, PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size, char);
191#endif
192#endif /* HAS_GETSERVBYNAME_R */
193#ifdef HAS_GETSPNAM_R
194# ifdef USE_SPENT_FPTR
195 PL_reentrant_buffer->_spent_fptr = NULL;
196# endif
197 New(31338, PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size, char);
198#endif /* HAS_GETSPNAM_R */
199#ifdef HAS_GMTIME_R
200#endif /* HAS_GMTIME_R */
201#ifdef HAS_LOCALTIME_R
202#endif /* HAS_LOCALTIME_R */
203#ifdef HAS_RANDOM_R
204#endif /* HAS_RANDOM_R */
205#ifdef HAS_READDIR_R
206 PL_reentrant_buffer->_readdir_struct = (struct dirent*)safemalloc(PL_reentrant_buffer->_readdir_size);
207#endif /* HAS_READDIR_R */
208#ifdef HAS_READDIR64_R
209 PL_reentrant_buffer->_readdir64_struct = (struct dirent64*)safemalloc(PL_reentrant_buffer->_readdir64_size);
210#endif /* HAS_READDIR64_R */
211#ifdef HAS_SETLOCALE_R
212 New(31338, PL_reentrant_buffer->_setlocale_buffer, PL_reentrant_buffer->_setlocale_size, char);
213#endif /* HAS_SETLOCALE_R */
214#ifdef HAS_STRERROR_R
215 New(31338, PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size, char);
216#endif /* HAS_STRERROR_R */
217#ifdef HAS_TTYNAME_R
218 New(31338, PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size, char);
219#endif /* HAS_TTYNAME_R */
220
221#endif /* USE_REENTRANT_API */
222}
223
224void
225Perl_reentrant_free(pTHX) {
226#ifdef USE_REENTRANT_API
227#ifdef HAS_ASCTIME_R
228 Safefree(PL_reentrant_buffer->_asctime_buffer);
229#endif /* HAS_ASCTIME_R */
230#ifdef HAS_CRYPT_R
231#if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
232 Safefree(PL_reentrant_buffer->_crypt_struct_buffer);
233#endif
234#endif /* HAS_CRYPT_R */
235#ifdef HAS_CTIME_R
236 Safefree(PL_reentrant_buffer->_ctime_buffer);
237#endif /* HAS_CTIME_R */
238#ifdef HAS_DRAND48_R
239#endif /* HAS_DRAND48_R */
240#ifdef HAS_GETGRNAM_R
241 Safefree(PL_reentrant_buffer->_grent_buffer);
242#endif /* HAS_GETGRNAM_R */
243#ifdef HAS_GETHOSTBYNAME_R
244#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
245 Safefree(PL_reentrant_buffer->_hostent_buffer);
246#endif
247#endif /* HAS_GETHOSTBYNAME_R */
248#ifdef HAS_GETLOGIN_R
249 Safefree(PL_reentrant_buffer->_getlogin_buffer);
250#endif /* HAS_GETLOGIN_R */
251#ifdef HAS_GETNETBYNAME_R
252#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
253 Safefree(PL_reentrant_buffer->_netent_buffer);
254#endif
255#endif /* HAS_GETNETBYNAME_R */
256#ifdef HAS_GETPROTOBYNAME_R
257#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
258 Safefree(PL_reentrant_buffer->_protoent_buffer);
259#endif
260#endif /* HAS_GETPROTOBYNAME_R */
261#ifdef HAS_GETPWNAM_R
262 Safefree(PL_reentrant_buffer->_pwent_buffer);
263#endif /* HAS_GETPWNAM_R */
264#ifdef HAS_GETSERVBYNAME_R
265#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
266 Safefree(PL_reentrant_buffer->_servent_buffer);
267#endif
268#endif /* HAS_GETSERVBYNAME_R */
269#ifdef HAS_GETSPNAM_R
270 Safefree(PL_reentrant_buffer->_spent_buffer);
271#endif /* HAS_GETSPNAM_R */
272#ifdef HAS_GMTIME_R
273#endif /* HAS_GMTIME_R */
274#ifdef HAS_LOCALTIME_R
275#endif /* HAS_LOCALTIME_R */
276#ifdef HAS_RANDOM_R
277#endif /* HAS_RANDOM_R */
278#ifdef HAS_READDIR_R
279 Safefree(PL_reentrant_buffer->_readdir_struct);
280#endif /* HAS_READDIR_R */
281#ifdef HAS_READDIR64_R
282 Safefree(PL_reentrant_buffer->_readdir64_struct);
283#endif /* HAS_READDIR64_R */
284#ifdef HAS_SETLOCALE_R
285 Safefree(PL_reentrant_buffer->_setlocale_buffer);
286#endif /* HAS_SETLOCALE_R */
287#ifdef HAS_STRERROR_R
288 Safefree(PL_reentrant_buffer->_strerror_buffer);
289#endif /* HAS_STRERROR_R */
290#ifdef HAS_TTYNAME_R
291 Safefree(PL_reentrant_buffer->_ttyname_buffer);
292#endif /* HAS_TTYNAME_R */
293
294 Safefree(PL_reentrant_buffer);
295#endif /* USE_REENTRANT_API */
296}
297
298void*
299Perl_reentrant_retry(const char *f, ...)
300{
301 dTHX;
302 void *retptr = NULL;
303#ifdef USE_REENTRANT_API
304# if defined(USE_HOSTENT_BUFFER) || defined(USE_GRENT_BUFFER) || defined(USE_NETENT_BUFFER) || defined(USE_PWENT_BUFFER) || defined(USE_PROTOENT_BUFFER) || defined(USE_SERVENT_BUFFER)
305 void *p0;
306# endif
307# if defined(USE_SERVENT_BUFFER)
308 void *p1;
309# endif
310# if defined(USE_HOSTENT_BUFFER)
311 size_t asize;
312# endif
313# if defined(USE_HOSTENT_BUFFER) || defined(USE_NETENT_BUFFER) || defined(USE_PROTOENT_BUFFER) || defined(USE_SERVENT_BUFFER)
314 int anint;
315# endif
316 va_list ap;
317
318 va_start(ap, f);
319
320 switch (PL_op->op_type) {
321#ifdef USE_HOSTENT_BUFFER
322 case OP_GHBYADDR:
323 case OP_GHBYNAME:
324 case OP_GHOSTENT:
325 {
326#ifdef PERL_REENTRANT_MAXSIZE
327 if (PL_reentrant_buffer->_hostent_size <=
328 PERL_REENTRANT_MAXSIZE / 2)
329#endif
330 {
331 PL_reentrant_buffer->_hostent_size *= 2;
332 Renew(PL_reentrant_buffer->_hostent_buffer,
333 PL_reentrant_buffer->_hostent_size, char);
334 switch (PL_op->op_type) {
335 case OP_GHBYADDR:
336 p0 = va_arg(ap, void *);
337 asize = va_arg(ap, size_t);
338 anint = va_arg(ap, int);
339 retptr = gethostbyaddr(p0, asize, anint); break;
340 case OP_GHBYNAME:
341 p0 = va_arg(ap, void *);
342 retptr = gethostbyname(p0); break;
343 case OP_GHOSTENT:
344 retptr = gethostent(); break;
345 default:
346 SETERRNO(ERANGE, LIB_INVARG);
347 break;
348 }
349 }
350 }
351 break;
352#endif
353#ifdef USE_GRENT_BUFFER
354 case OP_GGRNAM:
355 case OP_GGRGID:
356 case OP_GGRENT:
357 {
358#ifdef PERL_REENTRANT_MAXSIZE
359 if (PL_reentrant_buffer->_grent_size <=
360 PERL_REENTRANT_MAXSIZE / 2)
361#endif
362 {
363 Gid_t gid;
364 PL_reentrant_buffer->_grent_size *= 2;
365 Renew(PL_reentrant_buffer->_grent_buffer,
366 PL_reentrant_buffer->_grent_size, char);
367 switch (PL_op->op_type) {
368 case OP_GGRNAM:
369 p0 = va_arg(ap, void *);
370 retptr = getgrnam(p0); break;
371 case OP_GGRGID:
372#if Gid_t_size < INTSIZE
373 gid = (Gid_t)va_arg(ap, int);
374#else
375 gid = va_arg(ap, Gid_t);
376#endif
377 retptr = getgrgid(gid); break;
378 case OP_GGRENT:
379 retptr = getgrent(); break;
380 default:
381 SETERRNO(ERANGE, LIB_INVARG);
382 break;
383 }
384 }
385 }
386 break;
387#endif
388#ifdef USE_NETENT_BUFFER
389 case OP_GNBYADDR:
390 case OP_GNBYNAME:
391 case OP_GNETENT:
392 {
393#ifdef PERL_REENTRANT_MAXSIZE
394 if (PL_reentrant_buffer->_netent_size <=
395 PERL_REENTRANT_MAXSIZE / 2)
396#endif
397 {
398 Netdb_net_t net;
399 PL_reentrant_buffer->_netent_size *= 2;
400 Renew(PL_reentrant_buffer->_netent_buffer,
401 PL_reentrant_buffer->_netent_size, char);
402 switch (PL_op->op_type) {
403 case OP_GNBYADDR:
404 net = va_arg(ap, Netdb_net_t);
405 anint = va_arg(ap, int);
406 retptr = getnetbyaddr(net, anint); break;
407 case OP_GNBYNAME:
408 p0 = va_arg(ap, void *);
409 retptr = getnetbyname(p0); break;
410 case OP_GNETENT:
411 retptr = getnetent(); break;
412 default:
413 SETERRNO(ERANGE, LIB_INVARG);
414 break;
415 }
416 }
417 }
418 break;
419#endif
420#ifdef USE_PWENT_BUFFER
421 case OP_GPWNAM:
422 case OP_GPWUID:
423 case OP_GPWENT:
424 {
425#ifdef PERL_REENTRANT_MAXSIZE
426 if (PL_reentrant_buffer->_pwent_size <=
427 PERL_REENTRANT_MAXSIZE / 2)
428#endif
429 {
430 Uid_t uid;
431 PL_reentrant_buffer->_pwent_size *= 2;
432 Renew(PL_reentrant_buffer->_pwent_buffer,
433 PL_reentrant_buffer->_pwent_size, char);
434 switch (PL_op->op_type) {
435 case OP_GPWNAM:
436 p0 = va_arg(ap, void *);
437 retptr = getpwnam(p0); break;
438 case OP_GPWUID:
439#if Uid_t_size < INTSIZE
440 uid = (Uid_t)va_arg(ap, int);
441#else
442 uid = va_arg(ap, Uid_t);
443#endif
444 retptr = getpwuid(uid); break;
445 case OP_GPWENT:
446 retptr = getpwent(); break;
447 default:
448 SETERRNO(ERANGE, LIB_INVARG);
449 break;
450 }
451 }
452 }
453 break;
454#endif
455#ifdef USE_PROTOENT_BUFFER
456 case OP_GPBYNAME:
457 case OP_GPBYNUMBER:
458 case OP_GPROTOENT:
459 {
460#ifdef PERL_REENTRANT_MAXSIZE
461 if (PL_reentrant_buffer->_protoent_size <=
462 PERL_REENTRANT_MAXSIZE / 2)
463#endif
464 {
465 PL_reentrant_buffer->_protoent_size *= 2;
466 Renew(PL_reentrant_buffer->_protoent_buffer,
467 PL_reentrant_buffer->_protoent_size, char);
468 switch (PL_op->op_type) {
469 case OP_GPBYNAME:
470 p0 = va_arg(ap, void *);
471 retptr = getprotobyname(p0); break;
472 case OP_GPBYNUMBER:
473 anint = va_arg(ap, int);
474 retptr = getprotobynumber(anint); break;
475 case OP_GPROTOENT:
476 retptr = getprotoent(); break;
477 default:
478 SETERRNO(ERANGE, LIB_INVARG);
479 break;
480 }
481 }
482 }
483 break;
484#endif
485#ifdef USE_SERVENT_BUFFER
486 case OP_GSBYNAME:
487 case OP_GSBYPORT:
488 case OP_GSERVENT:
489 {
490#ifdef PERL_REENTRANT_MAXSIZE
491 if (PL_reentrant_buffer->_servent_size <=
492 PERL_REENTRANT_MAXSIZE / 2)
493#endif
494 {
495 PL_reentrant_buffer->_servent_size *= 2;
496 Renew(PL_reentrant_buffer->_servent_buffer,
497 PL_reentrant_buffer->_servent_size, char);
498 switch (PL_op->op_type) {
499 case OP_GSBYNAME:
500 p0 = va_arg(ap, void *);
501 p1 = va_arg(ap, void *);
502 retptr = getservbyname(p0, p1); break;
503 case OP_GSBYPORT:
504 anint = va_arg(ap, int);
505 p0 = va_arg(ap, void *);
506 retptr = getservbyport(anint, p0); break;
507 case OP_GSERVENT:
508 retptr = getservent(); break;
509 default:
510 SETERRNO(ERANGE, LIB_INVARG);
511 break;
512 }
513 }
514 }
515 break;
516#endif
517 default:
518 /* Not known how to retry, so just fail. */
519 break;
520 }
521
522 va_end(ap);
523#endif
524 return retptr;
525}
526
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