1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
|
/*
* reentr.c
*
* Copyright (c) 1997-2002, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
*
* !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
* This file is built by reentrl.pl from data in reentr.pl.
*
* "Saruman," I said, standing away from him, "only one hand at a time can
* wield the One, and you know that well, so do not trouble to say we!"
*
*/
#include "EXTERN.h"
#define PERL_IN_REENTR_C
#include "perl.h"
#include "reentr.h"
void
Perl_reentrant_size(pTHX) {
#ifdef USE_REENTRANT_API
#define REENTRANTSMALLSIZE 256 /* Make something up. */
#define REENTRANTUSUALSIZE 4096 /* Make something up. */
#ifdef HAS_ASCTIME_R
PL_reentrant_buffer->_asctime_size = REENTRANTSMALLSIZE;
#endif /* HAS_ASCTIME_R */
#ifdef HAS_CRYPT_R
#endif /* HAS_CRYPT_R */
#ifdef HAS_CTIME_R
PL_reentrant_buffer->_ctime_size = REENTRANTSMALLSIZE;
#endif /* HAS_CTIME_R */
#ifdef HAS_DRAND48_R
#endif /* HAS_DRAND48_R */
#ifdef HAS_GETGRNAM_R
# if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
PL_reentrant_buffer->_grent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
if (PL_reentrant_buffer->_pwent_size == -1)
PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
# else
# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
PL_reentrant_buffer->_grent_size = SIABUFSIZ;
# else
# ifdef __sgi
PL_reentrant_buffer->_grent_size = BUFSIZ;
# else
PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
# endif
# endif
# endif
#endif /* HAS_GETGRNAM_R */
#ifdef HAS_GETHOSTBYNAME_R
#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
PL_reentrant_buffer->_hostent_size = REENTRANTUSUALSIZE;
#endif
#endif /* HAS_GETHOSTBYNAME_R */
#ifdef HAS_GETLOGIN_R
PL_reentrant_buffer->_getlogin_size = REENTRANTSMALLSIZE;
#endif /* HAS_GETLOGIN_R */
#ifdef HAS_GETNETBYNAME_R
#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
PL_reentrant_buffer->_netent_size = REENTRANTUSUALSIZE;
#endif
#endif /* HAS_GETNETBYNAME_R */
#ifdef HAS_GETPROTOBYNAME_R
#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
PL_reentrant_buffer->_protoent_size = REENTRANTUSUALSIZE;
#endif
#endif /* HAS_GETPROTOBYNAME_R */
#ifdef HAS_GETPWNAM_R
# if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
PL_reentrant_buffer->_pwent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
if (PL_reentrant_buffer->_pwent_size == -1)
PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
# else
# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
PL_reentrant_buffer->_pwent_size = SIABUFSIZ;
# else
# ifdef __sgi
PL_reentrant_buffer->_pwent_size = BUFSIZ;
# else
PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
# endif
# endif
# endif
#endif /* HAS_GETPWNAM_R */
#ifdef HAS_GETSERVBYNAME_R
#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
PL_reentrant_buffer->_servent_size = REENTRANTUSUALSIZE;
#endif
#endif /* HAS_GETSERVBYNAME_R */
#ifdef HAS_GETSPNAM_R
# if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
PL_reentrant_buffer->_spent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
if (PL_reentrant_buffer->_pwent_size == -1)
PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
# else
# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
PL_reentrant_buffer->_spent_size = SIABUFSIZ;
# else
# ifdef __sgi
PL_reentrant_buffer->_spent_size = BUFSIZ;
# else
PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
# endif
# endif
# endif
#endif /* HAS_GETSPNAM_R */
#ifdef HAS_GMTIME_R
#endif /* HAS_GMTIME_R */
#ifdef HAS_LOCALTIME_R
#endif /* HAS_LOCALTIME_R */
#ifdef HAS_RANDOM_R
#endif /* HAS_RANDOM_R */
#ifdef HAS_READDIR_R
/* This is the size Solaris recommends.
* (though we go static, should use pathconf() instead) */
PL_reentrant_buffer->_readdir_size = sizeof(struct dirent) + MAXPATHLEN + 1;
#endif /* HAS_READDIR_R */
#ifdef HAS_READDIR64_R
/* This is the size Solaris recommends.
* (though we go static, should use pathconf() instead) */
PL_reentrant_buffer->_readdir64_size = sizeof(struct dirent64) + MAXPATHLEN + 1;
#endif /* HAS_READDIR64_R */
#ifdef HAS_SETLOCALE_R
PL_reentrant_buffer->_setlocale_size = REENTRANTSMALLSIZE;
#endif /* HAS_SETLOCALE_R */
#ifdef HAS_STRERROR_R
PL_reentrant_buffer->_strerror_size = REENTRANTSMALLSIZE;
#endif /* HAS_STRERROR_R */
#ifdef HAS_TTYNAME_R
PL_reentrant_buffer->_ttyname_size = REENTRANTSMALLSIZE;
#endif /* HAS_TTYNAME_R */
#endif /* USE_REENTRANT_API */
}
void
Perl_reentrant_init(pTHX) {
#ifdef USE_REENTRANT_API
New(31337, PL_reentrant_buffer, 1, REENTR);
Perl_reentrant_size(aTHX);
#ifdef HAS_ASCTIME_R
New(31338, PL_reentrant_buffer->_asctime_buffer, PL_reentrant_buffer->_asctime_size, char);
#endif /* HAS_ASCTIME_R */
#ifdef HAS_CRYPT_R
#ifdef __GLIBC__
PL_reentrant_buffer->_crypt_struct.initialized = 0;
#endif
#endif /* HAS_CRYPT_R */
#ifdef HAS_CTIME_R
New(31338, PL_reentrant_buffer->_ctime_buffer, PL_reentrant_buffer->_ctime_size, char);
#endif /* HAS_CTIME_R */
#ifdef HAS_DRAND48_R
#endif /* HAS_DRAND48_R */
#ifdef HAS_GETGRNAM_R
# ifdef USE_GRENT_FPTR
PL_reentrant_buffer->_grent_fptr = NULL;
# endif
New(31338, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, char);
#endif /* HAS_GETGRNAM_R */
#ifdef HAS_GETHOSTBYNAME_R
#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
New(31338, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, char);
#endif
#endif /* HAS_GETHOSTBYNAME_R */
#ifdef HAS_GETLOGIN_R
New(31338, PL_reentrant_buffer->_getlogin_buffer, PL_reentrant_buffer->_getlogin_size, char);
#endif /* HAS_GETLOGIN_R */
#ifdef HAS_GETNETBYNAME_R
#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
New(31338, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, char);
#endif
#endif /* HAS_GETNETBYNAME_R */
#ifdef HAS_GETPROTOBYNAME_R
#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
New(31338, PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size, char);
#endif
#endif /* HAS_GETPROTOBYNAME_R */
#ifdef HAS_GETPWNAM_R
# ifdef USE_PWENT_FPTR
PL_reentrant_buffer->_pwent_fptr = NULL;
# endif
New(31338, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, char);
#endif /* HAS_GETPWNAM_R */
#ifdef HAS_GETSERVBYNAME_R
#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
New(31338, PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size, char);
#endif
#endif /* HAS_GETSERVBYNAME_R */
#ifdef HAS_GETSPNAM_R
# ifdef USE_SPENT_FPTR
PL_reentrant_buffer->_spent_fptr = NULL;
# endif
New(31338, PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size, char);
#endif /* HAS_GETSPNAM_R */
#ifdef HAS_GMTIME_R
#endif /* HAS_GMTIME_R */
#ifdef HAS_LOCALTIME_R
#endif /* HAS_LOCALTIME_R */
#ifdef HAS_RANDOM_R
#endif /* HAS_RANDOM_R */
#ifdef HAS_READDIR_R
PL_reentrant_buffer->_readdir_struct = (struct dirent*)safemalloc(PL_reentrant_buffer->_readdir_size);
#endif /* HAS_READDIR_R */
#ifdef HAS_READDIR64_R
PL_reentrant_buffer->_readdir64_struct = (struct dirent64*)safemalloc(PL_reentrant_buffer->_readdir64_size);
#endif /* HAS_READDIR64_R */
#ifdef HAS_SETLOCALE_R
New(31338, PL_reentrant_buffer->_setlocale_buffer, PL_reentrant_buffer->_setlocale_size, char);
#endif /* HAS_SETLOCALE_R */
#ifdef HAS_STRERROR_R
New(31338, PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size, char);
#endif /* HAS_STRERROR_R */
#ifdef HAS_TTYNAME_R
New(31338, PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size, char);
#endif /* HAS_TTYNAME_R */
#endif /* USE_REENTRANT_API */
}
void
Perl_reentrant_free(pTHX) {
#ifdef USE_REENTRANT_API
#ifdef HAS_ASCTIME_R
Safefree(PL_reentrant_buffer->_asctime_buffer);
#endif /* HAS_ASCTIME_R */
#ifdef HAS_CRYPT_R
#endif /* HAS_CRYPT_R */
#ifdef HAS_CTIME_R
Safefree(PL_reentrant_buffer->_ctime_buffer);
#endif /* HAS_CTIME_R */
#ifdef HAS_DRAND48_R
#endif /* HAS_DRAND48_R */
#ifdef HAS_GETGRNAM_R
Safefree(PL_reentrant_buffer->_grent_buffer);
#endif /* HAS_GETGRNAM_R */
#ifdef HAS_GETHOSTBYNAME_R
#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
Safefree(PL_reentrant_buffer->_hostent_buffer);
#endif
#endif /* HAS_GETHOSTBYNAME_R */
#ifdef HAS_GETLOGIN_R
Safefree(PL_reentrant_buffer->_getlogin_buffer);
#endif /* HAS_GETLOGIN_R */
#ifdef HAS_GETNETBYNAME_R
#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
Safefree(PL_reentrant_buffer->_netent_buffer);
#endif
#endif /* HAS_GETNETBYNAME_R */
#ifdef HAS_GETPROTOBYNAME_R
#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
Safefree(PL_reentrant_buffer->_protoent_buffer);
#endif
#endif /* HAS_GETPROTOBYNAME_R */
#ifdef HAS_GETPWNAM_R
Safefree(PL_reentrant_buffer->_pwent_buffer);
#endif /* HAS_GETPWNAM_R */
#ifdef HAS_GETSERVBYNAME_R
#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
Safefree(PL_reentrant_buffer->_servent_buffer);
#endif
#endif /* HAS_GETSERVBYNAME_R */
#ifdef HAS_GETSPNAM_R
Safefree(PL_reentrant_buffer->_spent_buffer);
#endif /* HAS_GETSPNAM_R */
#ifdef HAS_GMTIME_R
#endif /* HAS_GMTIME_R */
#ifdef HAS_LOCALTIME_R
#endif /* HAS_LOCALTIME_R */
#ifdef HAS_RANDOM_R
#endif /* HAS_RANDOM_R */
#ifdef HAS_READDIR_R
Safefree(PL_reentrant_buffer->_readdir_struct);
#endif /* HAS_READDIR_R */
#ifdef HAS_READDIR64_R
Safefree(PL_reentrant_buffer->_readdir64_struct);
#endif /* HAS_READDIR64_R */
#ifdef HAS_SETLOCALE_R
Safefree(PL_reentrant_buffer->_setlocale_buffer);
#endif /* HAS_SETLOCALE_R */
#ifdef HAS_STRERROR_R
Safefree(PL_reentrant_buffer->_strerror_buffer);
#endif /* HAS_STRERROR_R */
#ifdef HAS_TTYNAME_R
Safefree(PL_reentrant_buffer->_ttyname_buffer);
#endif /* HAS_TTYNAME_R */
Safefree(PL_reentrant_buffer);
#endif /* USE_REENTRANT_API */
}
void*
Perl_reentrant_retry(const char *f, ...)
{
dTHX;
void *retptr = NULL;
#ifdef USE_REENTRANT_API
# if defined(USE_HOSTENT_BUFFER) || defined(USE_GRENT_BUFFER) || defined(USE_NETENT_BUFFER) || defined(USE_PWENT_BUFFER) || defined(USE_PROTOENT_BUFFER) || defined(USE_SRVENT_BUFFER)
void *p0;
# endif
# if defined(USE_SERVENT_BUFFER)
void *p1;
# endif
# if defined(USE_HOSTENT_BUFFER)
size_t asize;
# endif
# if defined(USE_HOSTENT_BUFFER) || defined(USE_NETENT_BUFFER) || defined(USE_PROTOENT_BUFFER) || defined(USE_SERVENT_BUFFER)
int anint;
# endif
va_list ap;
va_start(ap, f);
#define REENTRANTHALFMAXSIZE 32768 /* The maximum may end up twice this. */
switch (PL_op->op_type) {
#ifdef USE_HOSTENT_BUFFER
case OP_GHBYADDR:
case OP_GHBYNAME:
case OP_GHOSTENT:
{
if (PL_reentrant_buffer->_hostent_size <= REENTRANTHALFMAXSIZE) {
PL_reentrant_buffer->_hostent_size *= 2;
Renew(PL_reentrant_buffer->_hostent_buffer,
PL_reentrant_buffer->_hostent_size, char);
switch (PL_op->op_type) {
case OP_GHBYADDR:
p0 = va_arg(ap, void *);
asize = va_arg(ap, size_t);
anint = va_arg(ap, int);
retptr = gethostbyaddr(p0, asize, anint); break;
case OP_GHBYNAME:
p0 = va_arg(ap, void *);
retptr = gethostbyname(p0); break;
case OP_GHOSTENT:
retptr = gethostent(); break;
default:
break;
}
}
}
break;
#endif
#ifdef USE_GRENT_BUFFER
case OP_GGRNAM:
case OP_GGRGID:
case OP_GGRENT:
{
if (PL_reentrant_buffer->_grent_size <= REENTRANTHALFMAXSIZE) {
Gid_t gid;
PL_reentrant_buffer->_grent_size *= 2;
Renew(PL_reentrant_buffer->_grent_buffer,
PL_reentrant_buffer->_grent_size, char);
switch (PL_op->op_type) {
case OP_GGRNAM:
p0 = va_arg(ap, void *);
retptr = getgrnam(p0); break;
case OP_GGRGID:
gid = va_arg(ap, Gid_t);
retptr = getgrgid(gid); break;
case OP_GGRENT:
retptr = getgrent(); break;
default:
break;
}
}
}
break;
#endif
#ifdef USE_NETENT_BUFFER
case OP_GNBYADDR:
case OP_GNBYNAME:
case OP_GNETENT:
{
if (PL_reentrant_buffer->_netent_size <= REENTRANTHALFMAXSIZE) {
Netdb_net_t net;
PL_reentrant_buffer->_netent_size *= 2;
Renew(PL_reentrant_buffer->_netent_buffer,
PL_reentrant_buffer->_netent_size, char);
switch (PL_op->op_type) {
case OP_GNBYADDR:
net = va_arg(ap, Netdb_net_t);
anint = va_arg(ap, int);
retptr = getnetbyaddr(net, anint); break;
case OP_GNBYNAME:
p0 = va_arg(ap, void *);
retptr = getnetbyname(p0); break;
case OP_GNETENT:
retptr = getnetent(); break;
default:
break;
}
}
}
break;
#endif
#ifdef USE_PWENT_BUFFER
case OP_GPWNAM:
case OP_GPWUID:
case OP_GPWENT:
{
if (PL_reentrant_buffer->_pwent_size <= REENTRANTHALFMAXSIZE) {
Uid_t uid;
PL_reentrant_buffer->_pwent_size *= 2;
Renew(PL_reentrant_buffer->_pwent_buffer,
PL_reentrant_buffer->_pwent_size, char);
switch (PL_op->op_type) {
case OP_GPWNAM:
p0 = va_arg(ap, void *);
retptr = getpwnam(p0); break;
case OP_GPWUID:
uid = va_arg(ap, Uid_t);
retptr = getpwuid(uid); break;
case OP_GPWENT:
retptr = getpwent(); break;
default:
break;
}
}
}
break;
#endif
#ifdef USE_PROTOENT_BUFFER
case OP_GPBYNAME:
case OP_GPBYNUMBER:
case OP_GPROTOENT:
{
if (PL_reentrant_buffer->_protoent_size <= REENTRANTHALFMAXSIZE) {
PL_reentrant_buffer->_protoent_size *= 2;
Renew(PL_reentrant_buffer->_protoent_buffer,
PL_reentrant_buffer->_protoent_size, char);
switch (PL_op->op_type) {
case OP_GPBYNAME:
p0 = va_arg(ap, void *);
retptr = getprotobyname(p0); break;
case OP_GPBYNUMBER:
anint = va_arg(ap, int);
retptr = getprotobynumber(anint); break;
case OP_GPROTOENT:
retptr = getprotoent(); break;
default:
break;
}
}
}
break;
#endif
#ifdef USE_SERVENT_BUFFER
case OP_GSBYNAME:
case OP_GSBYPORT:
case OP_GSERVENT:
{
if (PL_reentrant_buffer->_servent_size <= REENTRANTHALFMAXSIZE) {
PL_reentrant_buffer->_servent_size *= 2;
Renew(PL_reentrant_buffer->_servent_buffer,
PL_reentrant_buffer->_servent_size, char);
switch (PL_op->op_type) {
case OP_GSBYNAME:
p0 = va_arg(ap, void *);
p1 = va_arg(ap, void *);
retptr = getservbyname(p0, p1); break;
case OP_GSBYPORT:
anint = va_arg(ap, int);
p0 = va_arg(ap, void *);
retptr = getservbyport(anint, p0); break;
case OP_GSERVENT:
retptr = getservent(); break;
default:
break;
}
}
}
break;
#endif
default:
/* Not known how to retry, so just fail. */
break;
}
va_end(ap);
#endif
return retptr;
}
|
