Commit | Line | Data |
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10bc17b6 JH |
1 | /* |
2 | * reentr.c | |
3 | * | |
4 | * Copyright (c) 1997-2002, Larry Wall | |
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 | ||
22 | void | |
23 | Perl_reentrant_size(pTHX) { | |
24 | #ifdef USE_REENTRANT_API | |
8695fa85 SR |
25 | #define REENTRANTSMALLSIZE 256 /* Make something up. */ |
26 | #define REENTRANTUSUALSIZE 4096 /* Make something up. */ | |
10bc17b6 | 27 | #ifdef HAS_ASCTIME_R |
8695fa85 | 28 | PL_reentrant_buffer->_asctime_size = REENTRANTSMALLSIZE; |
10bc17b6 JH |
29 | #endif /* HAS_ASCTIME_R */ |
30 | #ifdef HAS_CRYPT_R | |
31 | #endif /* HAS_CRYPT_R */ | |
32 | #ifdef HAS_CTIME_R | |
8695fa85 | 33 | PL_reentrant_buffer->_ctime_size = REENTRANTSMALLSIZE; |
10bc17b6 JH |
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->_getgrent_size = sysconf(_SC_GETGR_R_SIZE_MAX); | |
8695fa85 SR |
40 | if (PL_reentrant_buffer->_getgrent_size == -1) |
41 | PL_reentrant_buffer->_getgrent_size = REENTRANTUSUALSIZE; | |
10bc17b6 JH |
42 | # else |
43 | # if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ) | |
44 | PL_reentrant_buffer->_getgrent_size = SIABUFSIZ; | |
45 | # else | |
46 | # ifdef __sgi | |
47 | PL_reentrant_buffer->_getgrent_size = BUFSIZ; | |
48 | # else | |
8695fa85 | 49 | PL_reentrant_buffer->_getgrent_size = REENTRANTUSUALSIZE; |
10bc17b6 JH |
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) | |
8695fa85 | 56 | PL_reentrant_buffer->_gethostent_size = REENTRANTUSUALSIZE; |
10bc17b6 JH |
57 | #endif |
58 | #endif /* HAS_GETHOSTBYNAME_R */ | |
59 | #ifdef HAS_GETLOGIN_R | |
8695fa85 | 60 | PL_reentrant_buffer->_getlogin_size = REENTRANTSMALLSIZE; |
10bc17b6 JH |
61 | #endif /* HAS_GETLOGIN_R */ |
62 | #ifdef HAS_GETNETBYNAME_R | |
63 | #if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD) | |
8695fa85 | 64 | PL_reentrant_buffer->_getnetent_size = REENTRANTUSUALSIZE; |
10bc17b6 JH |
65 | #endif |
66 | #endif /* HAS_GETNETBYNAME_R */ | |
67 | #ifdef HAS_GETPROTOBYNAME_R | |
68 | #if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD) | |
8695fa85 | 69 | PL_reentrant_buffer->_getprotoent_size = REENTRANTUSUALSIZE; |
10bc17b6 JH |
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->_getpwent_size = sysconf(_SC_GETPW_R_SIZE_MAX); | |
8695fa85 SR |
75 | if (PL_reentrant_buffer->_getgrent_size == -1) |
76 | PL_reentrant_buffer->_getgrent_size = REENTRANTUSUALSIZE; | |
10bc17b6 JH |
77 | # else |
78 | # if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ) | |
79 | PL_reentrant_buffer->_getpwent_size = SIABUFSIZ; | |
80 | # else | |
81 | # ifdef __sgi | |
82 | PL_reentrant_buffer->_getpwent_size = BUFSIZ; | |
83 | # else | |
8695fa85 | 84 | PL_reentrant_buffer->_getpwent_size = REENTRANTUSUALSIZE; |
10bc17b6 JH |
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) | |
8695fa85 | 91 | PL_reentrant_buffer->_getservent_size = REENTRANTUSUALSIZE; |
10bc17b6 JH |
92 | #endif |
93 | #endif /* HAS_GETSERVBYNAME_R */ | |
94 | #ifdef HAS_GETSPNAM_R | |
95 | PL_reentrant_buffer->_getspent_size = 1024; | |
96 | #endif /* HAS_GETSPNAM_R */ | |
97 | #ifdef HAS_GMTIME_R | |
98 | #endif /* HAS_GMTIME_R */ | |
99 | #ifdef HAS_LOCALTIME_R | |
100 | #endif /* HAS_LOCALTIME_R */ | |
101 | #ifdef HAS_RANDOM_R | |
102 | #endif /* HAS_RANDOM_R */ | |
103 | #ifdef HAS_READDIR_R | |
104 | /* This is the size Solaris recommends. | |
105 | * (though we go static, should use pathconf() instead) */ | |
106 | PL_reentrant_buffer->_readdir_size = sizeof(struct dirent) + MAXPATHLEN + 1; | |
107 | #endif /* HAS_READDIR_R */ | |
108 | #ifdef HAS_READDIR64_R | |
109 | /* This is the size Solaris recommends. | |
110 | * (though we go static, should use pathconf() instead) */ | |
111 | PL_reentrant_buffer->_readdir64_size = sizeof(struct dirent64) + MAXPATHLEN + 1; | |
112 | #endif /* HAS_READDIR64_R */ | |
113 | #ifdef HAS_SETLOCALE_R | |
8695fa85 | 114 | PL_reentrant_buffer->_setlocale_size = REENTRANTSMALLSIZE; |
10bc17b6 JH |
115 | #endif /* HAS_SETLOCALE_R */ |
116 | #ifdef HAS_STRERROR_R | |
8695fa85 | 117 | PL_reentrant_buffer->_strerror_size = REENTRANTSMALLSIZE; |
10bc17b6 JH |
118 | #endif /* HAS_STRERROR_R */ |
119 | #ifdef HAS_TTYNAME_R | |
8695fa85 | 120 | PL_reentrant_buffer->_ttyname_size = REENTRANTSMALLSIZE; |
10bc17b6 JH |
121 | #endif /* HAS_TTYNAME_R */ |
122 | ||
123 | #endif /* USE_REENTRANT_API */ | |
124 | } | |
125 | ||
126 | void | |
127 | Perl_reentrant_init(pTHX) { | |
128 | #ifdef USE_REENTRANT_API | |
129 | New(31337, PL_reentrant_buffer, 1, REENTR); | |
130 | Perl_reentrant_size(aTHX); | |
131 | #ifdef HAS_ASCTIME_R | |
132 | New(31338, PL_reentrant_buffer->_asctime_buffer, PL_reentrant_buffer->_asctime_size, char); | |
133 | #endif /* HAS_ASCTIME_R */ | |
134 | #ifdef HAS_CRYPT_R | |
135 | #ifdef __GLIBC__ | |
136 | PL_reentrant_buffer->_crypt_struct.initialized = 0; | |
137 | #endif | |
138 | #endif /* HAS_CRYPT_R */ | |
139 | #ifdef HAS_CTIME_R | |
140 | New(31338, PL_reentrant_buffer->_ctime_buffer, PL_reentrant_buffer->_ctime_size, char); | |
141 | #endif /* HAS_CTIME_R */ | |
142 | #ifdef HAS_DRAND48_R | |
143 | #endif /* HAS_DRAND48_R */ | |
144 | #ifdef HAS_GETGRNAM_R | |
145 | # ifdef USE_GETGRENT_FPTR | |
146 | PL_reentrant_buffer->_getgrent_fptr = NULL; | |
147 | # endif | |
148 | New(31338, PL_reentrant_buffer->_getgrent_buffer, PL_reentrant_buffer->_getgrent_size, char); | |
149 | #endif /* HAS_GETGRNAM_R */ | |
150 | #ifdef HAS_GETHOSTBYNAME_R | |
151 | #if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD) | |
152 | New(31338, PL_reentrant_buffer->_gethostent_buffer, PL_reentrant_buffer->_gethostent_size, char); | |
153 | #endif | |
154 | #endif /* HAS_GETHOSTBYNAME_R */ | |
155 | #ifdef HAS_GETLOGIN_R | |
156 | New(31338, PL_reentrant_buffer->_getlogin_buffer, PL_reentrant_buffer->_getlogin_size, char); | |
157 | #endif /* HAS_GETLOGIN_R */ | |
158 | #ifdef HAS_GETNETBYNAME_R | |
159 | #if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD) | |
160 | New(31338, PL_reentrant_buffer->_getnetent_buffer, PL_reentrant_buffer->_getnetent_size, char); | |
161 | #endif | |
162 | #endif /* HAS_GETNETBYNAME_R */ | |
163 | #ifdef HAS_GETPROTOBYNAME_R | |
164 | #if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD) | |
165 | New(31338, PL_reentrant_buffer->_getprotoent_buffer, PL_reentrant_buffer->_getprotoent_size, char); | |
166 | #endif | |
167 | #endif /* HAS_GETPROTOBYNAME_R */ | |
168 | #ifdef HAS_GETPWNAM_R | |
169 | # ifdef USE_GETPWENT_FPTR | |
170 | PL_reentrant_buffer->_getpwent_fptr = NULL; | |
171 | # endif | |
172 | New(31338, PL_reentrant_buffer->_getpwent_buffer, PL_reentrant_buffer->_getpwent_size, char); | |
173 | #endif /* HAS_GETPWNAM_R */ | |
174 | #ifdef HAS_GETSERVBYNAME_R | |
175 | #if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD) | |
176 | New(31338, PL_reentrant_buffer->_getservent_buffer, PL_reentrant_buffer->_getservent_size, char); | |
177 | #endif | |
178 | #endif /* HAS_GETSERVBYNAME_R */ | |
179 | #ifdef HAS_GETSPNAM_R | |
180 | New(31338, PL_reentrant_buffer->_getspent_buffer, PL_reentrant_buffer->_getspent_size, char); | |
181 | #endif /* HAS_GETSPNAM_R */ | |
182 | #ifdef HAS_GMTIME_R | |
183 | #endif /* HAS_GMTIME_R */ | |
184 | #ifdef HAS_LOCALTIME_R | |
185 | #endif /* HAS_LOCALTIME_R */ | |
186 | #ifdef HAS_RANDOM_R | |
187 | #endif /* HAS_RANDOM_R */ | |
188 | #ifdef HAS_READDIR_R | |
189 | PL_reentrant_buffer->_readdir_struct = (struct dirent*)safemalloc(PL_reentrant_buffer->_readdir_size); | |
190 | #endif /* HAS_READDIR_R */ | |
191 | #ifdef HAS_READDIR64_R | |
192 | PL_reentrant_buffer->_readdir64_struct = (struct dirent64*)safemalloc(PL_reentrant_buffer->_readdir64_size); | |
193 | #endif /* HAS_READDIR64_R */ | |
194 | #ifdef HAS_SETLOCALE_R | |
195 | New(31338, PL_reentrant_buffer->_setlocale_buffer, PL_reentrant_buffer->_setlocale_size, char); | |
196 | #endif /* HAS_SETLOCALE_R */ | |
197 | #ifdef HAS_STRERROR_R | |
198 | New(31338, PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size, char); | |
199 | #endif /* HAS_STRERROR_R */ | |
200 | #ifdef HAS_TTYNAME_R | |
201 | New(31338, PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size, char); | |
202 | #endif /* HAS_TTYNAME_R */ | |
203 | ||
204 | #endif /* USE_REENTRANT_API */ | |
205 | } | |
206 | ||
207 | void | |
208 | Perl_reentrant_free(pTHX) { | |
209 | #ifdef USE_REENTRANT_API | |
210 | #ifdef HAS_ASCTIME_R | |
211 | Safefree(PL_reentrant_buffer->_asctime_buffer); | |
212 | #endif /* HAS_ASCTIME_R */ | |
213 | #ifdef HAS_CRYPT_R | |
214 | #endif /* HAS_CRYPT_R */ | |
215 | #ifdef HAS_CTIME_R | |
216 | Safefree(PL_reentrant_buffer->_ctime_buffer); | |
217 | #endif /* HAS_CTIME_R */ | |
218 | #ifdef HAS_DRAND48_R | |
219 | #endif /* HAS_DRAND48_R */ | |
220 | #ifdef HAS_GETGRNAM_R | |
221 | Safefree(PL_reentrant_buffer->_getgrent_buffer); | |
222 | #endif /* HAS_GETGRNAM_R */ | |
223 | #ifdef HAS_GETHOSTBYNAME_R | |
224 | #if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD) | |
225 | Safefree(PL_reentrant_buffer->_gethostent_buffer); | |
226 | #endif | |
227 | #endif /* HAS_GETHOSTBYNAME_R */ | |
228 | #ifdef HAS_GETLOGIN_R | |
229 | Safefree(PL_reentrant_buffer->_getlogin_buffer); | |
230 | #endif /* HAS_GETLOGIN_R */ | |
231 | #ifdef HAS_GETNETBYNAME_R | |
232 | #if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD) | |
233 | Safefree(PL_reentrant_buffer->_getnetent_buffer); | |
234 | #endif | |
235 | #endif /* HAS_GETNETBYNAME_R */ | |
236 | #ifdef HAS_GETPROTOBYNAME_R | |
237 | #if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD) | |
238 | Safefree(PL_reentrant_buffer->_getprotoent_buffer); | |
239 | #endif | |
240 | #endif /* HAS_GETPROTOBYNAME_R */ | |
241 | #ifdef HAS_GETPWNAM_R | |
242 | Safefree(PL_reentrant_buffer->_getpwent_buffer); | |
243 | #endif /* HAS_GETPWNAM_R */ | |
244 | #ifdef HAS_GETSERVBYNAME_R | |
245 | #if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD) | |
246 | Safefree(PL_reentrant_buffer->_getservent_buffer); | |
247 | #endif | |
248 | #endif /* HAS_GETSERVBYNAME_R */ | |
249 | #ifdef HAS_GETSPNAM_R | |
250 | Safefree(PL_reentrant_buffer->_getspent_buffer); | |
251 | #endif /* HAS_GETSPNAM_R */ | |
252 | #ifdef HAS_GMTIME_R | |
253 | #endif /* HAS_GMTIME_R */ | |
254 | #ifdef HAS_LOCALTIME_R | |
255 | #endif /* HAS_LOCALTIME_R */ | |
256 | #ifdef HAS_RANDOM_R | |
257 | #endif /* HAS_RANDOM_R */ | |
258 | #ifdef HAS_READDIR_R | |
259 | Safefree(PL_reentrant_buffer->_readdir_struct); | |
260 | #endif /* HAS_READDIR_R */ | |
261 | #ifdef HAS_READDIR64_R | |
262 | Safefree(PL_reentrant_buffer->_readdir64_struct); | |
263 | #endif /* HAS_READDIR64_R */ | |
264 | #ifdef HAS_SETLOCALE_R | |
265 | Safefree(PL_reentrant_buffer->_setlocale_buffer); | |
266 | #endif /* HAS_SETLOCALE_R */ | |
267 | #ifdef HAS_STRERROR_R | |
268 | Safefree(PL_reentrant_buffer->_strerror_buffer); | |
269 | #endif /* HAS_STRERROR_R */ | |
270 | #ifdef HAS_TTYNAME_R | |
271 | Safefree(PL_reentrant_buffer->_ttyname_buffer); | |
272 | #endif /* HAS_TTYNAME_R */ | |
273 | ||
274 | Safefree(PL_reentrant_buffer); | |
275 | #endif /* USE_REENTRANT_API */ | |
276 | } | |
277 | ||
edd309b7 JH |
278 | void* |
279 | Perl_reentrant_retry(const char *f, ...) | |
280 | { | |
281 | dTHX; | |
282 | void *retptr = NULL; | |
283 | #ifdef USE_REENTRANT_API | |
284 | void *p0, *p1; | |
285 | size_t asize; | |
286 | int anint; | |
287 | va_list ap; | |
288 | ||
289 | va_start(ap, f); | |
290 | ||
291 | #define REENTRANTHALFMAXSIZE 32768 /* The maximum may end up twice this. */ | |
292 | ||
293 | switch (PL_op->op_type) { | |
294 | #ifdef USE_GETHOSTENT_BUFFER | |
295 | case OP_GHBYADDR: | |
296 | case OP_GHBYNAME: | |
297 | case OP_GHOSTENT: | |
298 | { | |
299 | if (PL_reentrant_buffer->_gethostent_size <= REENTRANTHALFMAXSIZE) { | |
300 | PL_reentrant_buffer->_gethostent_size *= 2; | |
301 | Renew(PL_reentrant_buffer->_gethostent_buffer, | |
302 | PL_reentrant_buffer->_gethostent_size, char); | |
303 | switch (PL_op->op_type) { | |
304 | case OP_GHBYADDR: | |
305 | p0 = va_arg(ap, void *); | |
306 | asize = va_arg(ap, size_t); | |
307 | anint = va_arg(ap, int); | |
308 | retptr = gethostbyaddr(p0, asize, anint); break; | |
309 | case OP_GHBYNAME: | |
310 | p0 = va_arg(ap, void *); | |
311 | retptr = gethostbyname(p0); break; | |
312 | case OP_GHOSTENT: | |
313 | retptr = gethostent(); break; | |
314 | default: | |
315 | break; | |
316 | } | |
317 | } | |
318 | } | |
319 | break; | |
320 | #endif | |
321 | #ifdef USE_GETGRENT_BUFFER | |
322 | case OP_GGRNAM: | |
323 | case OP_GGRGID: | |
324 | case OP_GGRENT: | |
325 | { | |
326 | if (PL_reentrant_buffer->_getgrent_size <= REENTRANTHALFMAXSIZE) { | |
327 | Gid_t gid; | |
328 | PL_reentrant_buffer->_getgrent_size *= 2; | |
329 | Renew(PL_reentrant_buffer->_getgrent_buffer, | |
330 | PL_reentrant_buffer->_getgrent_size, char); | |
331 | switch (PL_op->op_type) { | |
332 | case OP_GGRNAM: | |
333 | p0 = va_arg(ap, void *); | |
334 | retptr = getgrnam(p0); break; | |
335 | case OP_GGRGID: | |
336 | gid = va_arg(ap, Gid_t); | |
337 | retptr = getgrgid(gid); break; | |
338 | case OP_GGRENT: | |
339 | retptr = getgrent(); break; | |
340 | default: | |
341 | break; | |
342 | } | |
343 | } | |
344 | } | |
345 | break; | |
346 | #endif | |
347 | #ifdef USE_GETNETENT_BUFFER | |
348 | case OP_GNBYADDR: | |
349 | case OP_GNBYNAME: | |
350 | case OP_GNETENT: | |
351 | { | |
352 | if (PL_reentrant_buffer->_getnetent_size <= REENTRANTHALFMAXSIZE) { | |
353 | Netdb_net_t net; | |
354 | PL_reentrant_buffer->_getnetent_size *= 2; | |
355 | Renew(PL_reentrant_buffer->_getnetent_buffer, | |
356 | PL_reentrant_buffer->_getnetent_size, char); | |
357 | switch (PL_op->op_type) { | |
358 | case OP_GNBYADDR: | |
359 | net = va_arg(ap, Netdb_net_t); | |
360 | anint = va_arg(ap, int); | |
361 | retptr = getnetbyaddr(net, anint); break; | |
362 | case OP_GNBYNAME: | |
363 | p0 = va_arg(ap, void *); | |
364 | retptr = getnetbyname(p0); break; | |
365 | case OP_GNETENT: | |
366 | retptr = getnetent(); break; | |
367 | default: | |
368 | break; | |
369 | } | |
370 | } | |
371 | } | |
372 | break; | |
373 | #endif | |
374 | #ifdef USE_GETPWENT_BUFFER | |
375 | case OP_GPWNAM: | |
376 | case OP_GPWUID: | |
377 | case OP_GPWENT: | |
378 | { | |
379 | if (PL_reentrant_buffer->_getpwent_size <= REENTRANTHALFMAXSIZE) { | |
380 | Uid_t uid; | |
381 | PL_reentrant_buffer->_getpwent_size *= 2; | |
382 | Renew(PL_reentrant_buffer->_getpwent_buffer, | |
383 | PL_reentrant_buffer->_getpwent_size, char); | |
384 | switch (PL_op->op_type) { | |
385 | case OP_GPWNAM: | |
386 | p0 = va_arg(ap, void *); | |
387 | retptr = getpwnam(p0); break; | |
388 | case OP_GPWUID: | |
389 | uid = va_arg(ap, Uid_t); | |
390 | retptr = getpwuid(uid); break; | |
391 | case OP_GPWENT: | |
392 | retptr = getpwent(); break; | |
393 | default: | |
394 | break; | |
395 | } | |
396 | } | |
397 | } | |
398 | break; | |
399 | #endif | |
400 | #ifdef USE_GETPROTOENT_BUFFER | |
401 | case OP_GPBYNAME: | |
402 | case OP_GPBYNUMBER: | |
403 | case OP_GPROTOENT: | |
404 | { | |
405 | if (PL_reentrant_buffer->_getprotoent_size <= REENTRANTHALFMAXSIZE) { | |
406 | PL_reentrant_buffer->_getprotoent_size *= 2; | |
407 | Renew(PL_reentrant_buffer->_getprotoent_buffer, | |
408 | PL_reentrant_buffer->_getprotoent_size, char); | |
409 | switch (PL_op->op_type) { | |
410 | case OP_GPBYNAME: | |
411 | p0 = va_arg(ap, void *); | |
412 | retptr = getprotobyname(p0); break; | |
413 | case OP_GPBYNUMBER: | |
414 | anint = va_arg(ap, int); | |
415 | retptr = getprotobynumber(anint); break; | |
416 | case OP_GPROTOENT: | |
417 | retptr = getprotoent(); break; | |
418 | default: | |
419 | break; | |
420 | } | |
421 | } | |
422 | } | |
423 | break; | |
424 | #endif | |
425 | #ifdef USE_GETSERVENT_BUFFER | |
426 | case OP_GSBYNAME: | |
427 | case OP_GSBYPORT: | |
428 | case OP_GSERVENT: | |
429 | { | |
430 | if (PL_reentrant_buffer->_getservent_size <= REENTRANTHALFMAXSIZE) { | |
431 | PL_reentrant_buffer->_getservent_size *= 2; | |
432 | Renew(PL_reentrant_buffer->_getservent_buffer, | |
433 | PL_reentrant_buffer->_getservent_size, char); | |
434 | switch (PL_op->op_type) { | |
435 | case OP_GSBYNAME: | |
436 | p0 = va_arg(ap, void *); | |
437 | p1 = va_arg(ap, void *); | |
438 | retptr = getservbyname(p0, p1); break; | |
439 | case OP_GSBYPORT: | |
440 | anint = va_arg(ap, int); | |
441 | p0 = va_arg(ap, void *); | |
442 | retptr = getservbyport(anint, p0); break; | |
443 | case OP_GSERVENT: | |
444 | retptr = getservent(); break; | |
445 | default: | |
446 | break; | |
447 | } | |
448 | } | |
449 | } | |
450 | break; | |
451 | #endif | |
452 | default: | |
453 | /* Not known how to retry, so just fail. */ | |
454 | break; | |
455 | } | |
456 | ||
457 | va_end(ap); | |
458 | #endif | |
459 | return retptr; | |
460 | } | |
461 |