4 * Copyright (c) 1997-2002, Larry Wall
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.
9 * !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
10 * This file is built by reentrl.pl from data in reentr.pl.
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!"
18 #define PERL_IN_REENTR_C
23 Perl_reentrant_size(pTHX) {
24 #ifdef USE_REENTRANT_API
25 #define REENTRANTSMALLSIZE 256 /* Make something up. */
26 #define REENTRANTUSUALSIZE 4096 /* Make something up. */
28 PL_reentrant_buffer->_asctime_size = REENTRANTSMALLSIZE;
29 #endif /* HAS_ASCTIME_R */
31 #endif /* HAS_CRYPT_R */
33 PL_reentrant_buffer->_ctime_size = REENTRANTSMALLSIZE;
34 #endif /* HAS_CTIME_R */
36 #endif /* HAS_DRAND48_R */
38 # if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
39 PL_reentrant_buffer->_grent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
40 if (PL_reentrant_buffer->_pwent_size == -1)
41 PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
43 # if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
44 PL_reentrant_buffer->_grent_size = SIABUFSIZ;
47 PL_reentrant_buffer->_grent_size = BUFSIZ;
49 PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
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;
58 #endif /* HAS_GETHOSTBYNAME_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;
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;
71 #endif /* HAS_GETPROTOBYNAME_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;
78 # if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
79 PL_reentrant_buffer->_pwent_size = SIABUFSIZ;
82 PL_reentrant_buffer->_pwent_size = BUFSIZ;
84 PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
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;
93 #endif /* HAS_GETSERVBYNAME_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->_pwent_size == -1)
98 PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
100 # if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
101 PL_reentrant_buffer->_spent_size = SIABUFSIZ;
104 PL_reentrant_buffer->_spent_size = BUFSIZ;
106 PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
110 #endif /* HAS_GETSPNAM_R */
112 #endif /* HAS_GMTIME_R */
113 #ifdef HAS_LOCALTIME_R
114 #endif /* HAS_LOCALTIME_R */
116 #endif /* HAS_RANDOM_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 */
134 PL_reentrant_buffer->_ttyname_size = REENTRANTSMALLSIZE;
135 #endif /* HAS_TTYNAME_R */
137 #endif /* USE_REENTRANT_API */
141 Perl_reentrant_init(pTHX) {
142 #ifdef USE_REENTRANT_API
143 New(31337, PL_reentrant_buffer, 1, REENTR);
144 Perl_reentrant_size(aTHX);
146 New(31338, PL_reentrant_buffer->_asctime_buffer, PL_reentrant_buffer->_asctime_size, char);
147 #endif /* HAS_ASCTIME_R */
150 PL_reentrant_buffer->_crypt_struct.initialized = 0;
152 #endif /* HAS_CRYPT_R */
154 New(31338, PL_reentrant_buffer->_ctime_buffer, PL_reentrant_buffer->_ctime_size, char);
155 #endif /* HAS_CTIME_R */
157 #endif /* HAS_DRAND48_R */
158 #ifdef HAS_GETGRNAM_R
159 # ifdef USE_GRENT_FPTR
160 PL_reentrant_buffer->_grent_fptr = NULL;
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);
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);
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);
181 #endif /* HAS_GETPROTOBYNAME_R */
182 #ifdef HAS_GETPWNAM_R
183 # ifdef USE_PWENT_FPTR
184 PL_reentrant_buffer->_pwent_fptr = NULL;
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);
192 #endif /* HAS_GETSERVBYNAME_R */
193 #ifdef HAS_GETSPNAM_R
194 # ifdef USE_SPENT_FPTR
195 PL_reentrant_buffer->_spent_fptr = NULL;
197 New(31338, PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size, char);
198 #endif /* HAS_GETSPNAM_R */
200 #endif /* HAS_GMTIME_R */
201 #ifdef HAS_LOCALTIME_R
202 #endif /* HAS_LOCALTIME_R */
204 #endif /* HAS_RANDOM_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 */
218 New(31338, PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size, char);
219 #endif /* HAS_TTYNAME_R */
221 #endif /* USE_REENTRANT_API */
225 Perl_reentrant_free(pTHX) {
226 #ifdef USE_REENTRANT_API
228 Safefree(PL_reentrant_buffer->_asctime_buffer);
229 #endif /* HAS_ASCTIME_R */
231 #endif /* HAS_CRYPT_R */
233 Safefree(PL_reentrant_buffer->_ctime_buffer);
234 #endif /* HAS_CTIME_R */
236 #endif /* HAS_DRAND48_R */
237 #ifdef HAS_GETGRNAM_R
238 Safefree(PL_reentrant_buffer->_grent_buffer);
239 #endif /* HAS_GETGRNAM_R */
240 #ifdef HAS_GETHOSTBYNAME_R
241 #if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
242 Safefree(PL_reentrant_buffer->_hostent_buffer);
244 #endif /* HAS_GETHOSTBYNAME_R */
245 #ifdef HAS_GETLOGIN_R
246 Safefree(PL_reentrant_buffer->_getlogin_buffer);
247 #endif /* HAS_GETLOGIN_R */
248 #ifdef HAS_GETNETBYNAME_R
249 #if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
250 Safefree(PL_reentrant_buffer->_netent_buffer);
252 #endif /* HAS_GETNETBYNAME_R */
253 #ifdef HAS_GETPROTOBYNAME_R
254 #if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
255 Safefree(PL_reentrant_buffer->_protoent_buffer);
257 #endif /* HAS_GETPROTOBYNAME_R */
258 #ifdef HAS_GETPWNAM_R
259 Safefree(PL_reentrant_buffer->_pwent_buffer);
260 #endif /* HAS_GETPWNAM_R */
261 #ifdef HAS_GETSERVBYNAME_R
262 #if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
263 Safefree(PL_reentrant_buffer->_servent_buffer);
265 #endif /* HAS_GETSERVBYNAME_R */
266 #ifdef HAS_GETSPNAM_R
267 Safefree(PL_reentrant_buffer->_spent_buffer);
268 #endif /* HAS_GETSPNAM_R */
270 #endif /* HAS_GMTIME_R */
271 #ifdef HAS_LOCALTIME_R
272 #endif /* HAS_LOCALTIME_R */
274 #endif /* HAS_RANDOM_R */
276 Safefree(PL_reentrant_buffer->_readdir_struct);
277 #endif /* HAS_READDIR_R */
278 #ifdef HAS_READDIR64_R
279 Safefree(PL_reentrant_buffer->_readdir64_struct);
280 #endif /* HAS_READDIR64_R */
281 #ifdef HAS_SETLOCALE_R
282 Safefree(PL_reentrant_buffer->_setlocale_buffer);
283 #endif /* HAS_SETLOCALE_R */
284 #ifdef HAS_STRERROR_R
285 Safefree(PL_reentrant_buffer->_strerror_buffer);
286 #endif /* HAS_STRERROR_R */
288 Safefree(PL_reentrant_buffer->_ttyname_buffer);
289 #endif /* HAS_TTYNAME_R */
291 Safefree(PL_reentrant_buffer);
292 #endif /* USE_REENTRANT_API */
296 Perl_reentrant_retry(const char *f, ...)
300 #ifdef USE_REENTRANT_API
301 # 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)
304 # if defined(USE_SERVENT_BUFFER)
307 # if defined(USE_HOSTENT_BUFFER)
310 # if defined(USE_HOSTENT_BUFFER) || defined(USE_NETENT_BUFFER) || defined(USE_PROTOENT_BUFFER) || defined(USE_SERVENT_BUFFER)
317 #define REENTRANTHALFMAXSIZE 32768 /* The maximum may end up twice this. */
319 switch (PL_op->op_type) {
320 #ifdef USE_HOSTENT_BUFFER
325 if (PL_reentrant_buffer->_hostent_size <= REENTRANTHALFMAXSIZE) {
326 PL_reentrant_buffer->_hostent_size *= 2;
327 Renew(PL_reentrant_buffer->_hostent_buffer,
328 PL_reentrant_buffer->_hostent_size, char);
329 switch (PL_op->op_type) {
331 p0 = va_arg(ap, void *);
332 asize = va_arg(ap, size_t);
333 anint = va_arg(ap, int);
334 retptr = gethostbyaddr(p0, asize, anint); break;
336 p0 = va_arg(ap, void *);
337 retptr = gethostbyname(p0); break;
339 retptr = gethostent(); break;
347 #ifdef USE_GRENT_BUFFER
352 if (PL_reentrant_buffer->_grent_size <= REENTRANTHALFMAXSIZE) {
354 PL_reentrant_buffer->_grent_size *= 2;
355 Renew(PL_reentrant_buffer->_grent_buffer,
356 PL_reentrant_buffer->_grent_size, char);
357 switch (PL_op->op_type) {
359 p0 = va_arg(ap, void *);
360 retptr = getgrnam(p0); break;
362 gid = va_arg(ap, Gid_t);
363 retptr = getgrgid(gid); break;
365 retptr = getgrent(); break;
373 #ifdef USE_NETENT_BUFFER
378 if (PL_reentrant_buffer->_netent_size <= REENTRANTHALFMAXSIZE) {
380 PL_reentrant_buffer->_netent_size *= 2;
381 Renew(PL_reentrant_buffer->_netent_buffer,
382 PL_reentrant_buffer->_netent_size, char);
383 switch (PL_op->op_type) {
385 net = va_arg(ap, Netdb_net_t);
386 anint = va_arg(ap, int);
387 retptr = getnetbyaddr(net, anint); break;
389 p0 = va_arg(ap, void *);
390 retptr = getnetbyname(p0); break;
392 retptr = getnetent(); break;
400 #ifdef USE_PWENT_BUFFER
405 if (PL_reentrant_buffer->_pwent_size <= REENTRANTHALFMAXSIZE) {
407 PL_reentrant_buffer->_pwent_size *= 2;
408 Renew(PL_reentrant_buffer->_pwent_buffer,
409 PL_reentrant_buffer->_pwent_size, char);
410 switch (PL_op->op_type) {
412 p0 = va_arg(ap, void *);
413 retptr = getpwnam(p0); break;
415 uid = va_arg(ap, Uid_t);
416 retptr = getpwuid(uid); break;
418 retptr = getpwent(); break;
426 #ifdef USE_PROTOENT_BUFFER
431 if (PL_reentrant_buffer->_protoent_size <= REENTRANTHALFMAXSIZE) {
432 PL_reentrant_buffer->_protoent_size *= 2;
433 Renew(PL_reentrant_buffer->_protoent_buffer,
434 PL_reentrant_buffer->_protoent_size, char);
435 switch (PL_op->op_type) {
437 p0 = va_arg(ap, void *);
438 retptr = getprotobyname(p0); break;
440 anint = va_arg(ap, int);
441 retptr = getprotobynumber(anint); break;
443 retptr = getprotoent(); break;
451 #ifdef USE_SERVENT_BUFFER
456 if (PL_reentrant_buffer->_servent_size <= REENTRANTHALFMAXSIZE) {
457 PL_reentrant_buffer->_servent_size *= 2;
458 Renew(PL_reentrant_buffer->_servent_buffer,
459 PL_reentrant_buffer->_servent_size, char);
460 switch (PL_op->op_type) {
462 p0 = va_arg(ap, void *);
463 p1 = va_arg(ap, void *);
464 retptr = getservbyname(p0, p1); break;
466 anint = va_arg(ap, int);
467 p0 = va_arg(ap, void *);
468 retptr = getservbyport(anint, p0); break;
470 retptr = getservent(); break;
479 /* Not known how to retry, so just fail. */