| Commit | Line | Data |
|---|
| 10bc17b6 |
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 |
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 |
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 |
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 |
40 | if (PL_reentrant_buffer->_getgrent_size == -1) |
| 41 | PL_reentrant_buffer->_getgrent_size = REENTRANTUSUALSIZE; |
| 10bc17b6 |
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 |
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 |
57 | #endif |
| 58 | #endif /* HAS_GETHOSTBYNAME_R */ |
| 59 | #ifdef HAS_GETLOGIN_R |
| 8695fa85 |
60 | PL_reentrant_buffer->_getlogin_size = REENTRANTSMALLSIZE; |
| 10bc17b6 |
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 |
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 |
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); |
| e3410746 |
75 | if (PL_reentrant_buffer->_getpwent_size == -1) |
| 76 | PL_reentrant_buffer->_getpwent_size = REENTRANTUSUALSIZE; |
| 10bc17b6 |
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 |
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 |
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 |
115 | #endif /* HAS_SETLOCALE_R */ |
| 116 | #ifdef HAS_STRERROR_R |
| 8695fa85 |
117 | PL_reentrant_buffer->_strerror_size = REENTRANTSMALLSIZE; |
| 10bc17b6 |
118 | #endif /* HAS_STRERROR_R */ |
| 119 | #ifdef HAS_TTYNAME_R |
| 8695fa85 |
120 | PL_reentrant_buffer->_ttyname_size = REENTRANTSMALLSIZE; |
| 10bc17b6 |
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 |
278 | void* |
| 279 | Perl_reentrant_retry(const char *f, ...) |
| 280 | { |
| 281 | dTHX; |
| 282 | void *retptr = NULL; |
| 283 | #ifdef USE_REENTRANT_API |
| e3410746 |
284 | # if defined(USE_GETHOSTENT_BUFFER) || defined(USE_GETGRENT_BUFFER) || defined(USE_GETNETENT_BUFFER) || defined(USE_GETPWENT_BUFFER) || defined(USE_GETPROTOENT_BUFFER) || defined(USE_GETSERVENT_BUFFER) |
| 285 | void *p0; |
| 286 | # endif |
| 287 | # if defined(USE_GETSERVENT_BUFFER) |
| 288 | void *p1; |
| 289 | # endif |
| 290 | # if defined(USE_GETHOSTENT_BUFFER) |
| edd309b7 |
291 | size_t asize; |
| e3410746 |
292 | # endif |
| 293 | # if defined(USE_GETHOSTENT_BUFFER) || defined(USE_GETNETENT_BUFFER) || defined(USE_GETPROTOENT_BUFFER) || defined(USE_GETSERVENT_BUFFER) |
| edd309b7 |
294 | int anint; |
| e3410746 |
295 | # endif |
| edd309b7 |
296 | va_list ap; |
| 297 | |
| 298 | va_start(ap, f); |
| 299 | |
| 300 | #define REENTRANTHALFMAXSIZE 32768 /* The maximum may end up twice this. */ |
| 301 | |
| 302 | switch (PL_op->op_type) { |
| 303 | #ifdef USE_GETHOSTENT_BUFFER |
| 304 | case OP_GHBYADDR: |
| 305 | case OP_GHBYNAME: |
| 306 | case OP_GHOSTENT: |
| 307 | { |
| 308 | if (PL_reentrant_buffer->_gethostent_size <= REENTRANTHALFMAXSIZE) { |
| 309 | PL_reentrant_buffer->_gethostent_size *= 2; |
| 310 | Renew(PL_reentrant_buffer->_gethostent_buffer, |
| 311 | PL_reentrant_buffer->_gethostent_size, char); |
| 312 | switch (PL_op->op_type) { |
| 313 | case OP_GHBYADDR: |
| 314 | p0 = va_arg(ap, void *); |
| 315 | asize = va_arg(ap, size_t); |
| 316 | anint = va_arg(ap, int); |
| 317 | retptr = gethostbyaddr(p0, asize, anint); break; |
| 318 | case OP_GHBYNAME: |
| 319 | p0 = va_arg(ap, void *); |
| 320 | retptr = gethostbyname(p0); break; |
| 321 | case OP_GHOSTENT: |
| 322 | retptr = gethostent(); break; |
| 323 | default: |
| 324 | break; |
| 325 | } |
| 326 | } |
| 327 | } |
| 328 | break; |
| 329 | #endif |
| 330 | #ifdef USE_GETGRENT_BUFFER |
| 331 | case OP_GGRNAM: |
| 332 | case OP_GGRGID: |
| 333 | case OP_GGRENT: |
| 334 | { |
| 335 | if (PL_reentrant_buffer->_getgrent_size <= REENTRANTHALFMAXSIZE) { |
| 336 | Gid_t gid; |
| 337 | PL_reentrant_buffer->_getgrent_size *= 2; |
| 338 | Renew(PL_reentrant_buffer->_getgrent_buffer, |
| 339 | PL_reentrant_buffer->_getgrent_size, char); |
| 340 | switch (PL_op->op_type) { |
| 341 | case OP_GGRNAM: |
| 342 | p0 = va_arg(ap, void *); |
| 343 | retptr = getgrnam(p0); break; |
| 344 | case OP_GGRGID: |
| 345 | gid = va_arg(ap, Gid_t); |
| 346 | retptr = getgrgid(gid); break; |
| 347 | case OP_GGRENT: |
| 348 | retptr = getgrent(); break; |
| 349 | default: |
| 350 | break; |
| 351 | } |
| 352 | } |
| 353 | } |
| 354 | break; |
| 355 | #endif |
| 356 | #ifdef USE_GETNETENT_BUFFER |
| 357 | case OP_GNBYADDR: |
| 358 | case OP_GNBYNAME: |
| 359 | case OP_GNETENT: |
| 360 | { |
| 361 | if (PL_reentrant_buffer->_getnetent_size <= REENTRANTHALFMAXSIZE) { |
| 362 | Netdb_net_t net; |
| 363 | PL_reentrant_buffer->_getnetent_size *= 2; |
| 364 | Renew(PL_reentrant_buffer->_getnetent_buffer, |
| 365 | PL_reentrant_buffer->_getnetent_size, char); |
| 366 | switch (PL_op->op_type) { |
| 367 | case OP_GNBYADDR: |
| 368 | net = va_arg(ap, Netdb_net_t); |
| 369 | anint = va_arg(ap, int); |
| 370 | retptr = getnetbyaddr(net, anint); break; |
| 371 | case OP_GNBYNAME: |
| 372 | p0 = va_arg(ap, void *); |
| 373 | retptr = getnetbyname(p0); break; |
| 374 | case OP_GNETENT: |
| 375 | retptr = getnetent(); break; |
| 376 | default: |
| 377 | break; |
| 378 | } |
| 379 | } |
| 380 | } |
| 381 | break; |
| 382 | #endif |
| 383 | #ifdef USE_GETPWENT_BUFFER |
| 384 | case OP_GPWNAM: |
| 385 | case OP_GPWUID: |
| 386 | case OP_GPWENT: |
| 387 | { |
| 388 | if (PL_reentrant_buffer->_getpwent_size <= REENTRANTHALFMAXSIZE) { |
| 389 | Uid_t uid; |
| 390 | PL_reentrant_buffer->_getpwent_size *= 2; |
| 391 | Renew(PL_reentrant_buffer->_getpwent_buffer, |
| 392 | PL_reentrant_buffer->_getpwent_size, char); |
| 393 | switch (PL_op->op_type) { |
| 394 | case OP_GPWNAM: |
| 395 | p0 = va_arg(ap, void *); |
| 396 | retptr = getpwnam(p0); break; |
| 397 | case OP_GPWUID: |
| 398 | uid = va_arg(ap, Uid_t); |
| 399 | retptr = getpwuid(uid); break; |
| 400 | case OP_GPWENT: |
| 401 | retptr = getpwent(); break; |
| 402 | default: |
| 403 | break; |
| 404 | } |
| 405 | } |
| 406 | } |
| 407 | break; |
| 408 | #endif |
| 409 | #ifdef USE_GETPROTOENT_BUFFER |
| 410 | case OP_GPBYNAME: |
| 411 | case OP_GPBYNUMBER: |
| 412 | case OP_GPROTOENT: |
| 413 | { |
| 414 | if (PL_reentrant_buffer->_getprotoent_size <= REENTRANTHALFMAXSIZE) { |
| 415 | PL_reentrant_buffer->_getprotoent_size *= 2; |
| 416 | Renew(PL_reentrant_buffer->_getprotoent_buffer, |
| 417 | PL_reentrant_buffer->_getprotoent_size, char); |
| 418 | switch (PL_op->op_type) { |
| 419 | case OP_GPBYNAME: |
| 420 | p0 = va_arg(ap, void *); |
| 421 | retptr = getprotobyname(p0); break; |
| 422 | case OP_GPBYNUMBER: |
| 423 | anint = va_arg(ap, int); |
| 424 | retptr = getprotobynumber(anint); break; |
| 425 | case OP_GPROTOENT: |
| 426 | retptr = getprotoent(); break; |
| 427 | default: |
| 428 | break; |
| 429 | } |
| 430 | } |
| 431 | } |
| 432 | break; |
| 433 | #endif |
| 434 | #ifdef USE_GETSERVENT_BUFFER |
| 435 | case OP_GSBYNAME: |
| 436 | case OP_GSBYPORT: |
| 437 | case OP_GSERVENT: |
| 438 | { |
| 439 | if (PL_reentrant_buffer->_getservent_size <= REENTRANTHALFMAXSIZE) { |
| 440 | PL_reentrant_buffer->_getservent_size *= 2; |
| 441 | Renew(PL_reentrant_buffer->_getservent_buffer, |
| 442 | PL_reentrant_buffer->_getservent_size, char); |
| 443 | switch (PL_op->op_type) { |
| 444 | case OP_GSBYNAME: |
| 445 | p0 = va_arg(ap, void *); |
| 446 | p1 = va_arg(ap, void *); |
| 447 | retptr = getservbyname(p0, p1); break; |
| 448 | case OP_GSBYPORT: |
| 449 | anint = va_arg(ap, int); |
| 450 | p0 = va_arg(ap, void *); |
| 451 | retptr = getservbyport(anint, p0); break; |
| 452 | case OP_GSERVENT: |
| 453 | retptr = getservent(); break; |
| 454 | default: |
| 455 | break; |
| 456 | } |
| 457 | } |
| 458 | } |
| 459 | break; |
| 460 | #endif |
| 461 | default: |
| 462 | /* Not known how to retry, so just fail. */ |
| 463 | break; |
| 464 | } |
| 465 | |
| 466 | va_end(ap); |
| 467 | #endif |
| 468 | return retptr; |
| 469 | } |
| 470 | |
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