| 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 reentr.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 | * This file contains a collection of automatically created wrappers |
| 16 | * (created by running reentr.pl) for reentrant (thread-safe) versions of |
| 17 | * various library calls, such as getpwent_r. The wrapping is done so |
| 18 | * that other files like pp_sys.c calling those library functions need not |
| 19 | * care about the differences between various platforms' idiosyncrasies |
| 20 | * regarding these reentrant interfaces. |
| 21 | */ |
| 22 | |
| 23 | #include "EXTERN.h" |
| 24 | #define PERL_IN_REENTR_C |
| 25 | #include "perl.h" |
| 26 | #include "reentr.h" |
| 27 | |
| 28 | void |
| 29 | Perl_reentrant_size(pTHX) { |
| 30 | #ifdef USE_REENTRANT_API |
| 31 | #define REENTRANTSMALLSIZE 256 /* Make something up. */ |
| 32 | #define REENTRANTUSUALSIZE 4096 /* Make something up. */ |
| 33 | #ifdef HAS_ASCTIME_R |
| 34 | PL_reentrant_buffer->_asctime_size = REENTRANTSMALLSIZE; |
| 35 | #endif /* HAS_ASCTIME_R */ |
| 36 | #ifdef HAS_CRYPT_R |
| 37 | #endif /* HAS_CRYPT_R */ |
| 38 | #ifdef HAS_CTIME_R |
| 39 | PL_reentrant_buffer->_ctime_size = REENTRANTSMALLSIZE; |
| 40 | #endif /* HAS_CTIME_R */ |
| 41 | #ifdef HAS_DRAND48_R |
| 42 | #endif /* HAS_DRAND48_R */ |
| 43 | #ifdef HAS_GETGRNAM_R |
| 44 | # if defined(HAS_SYSCONF) && defined(_SC_GETGR_R_SIZE_MAX) && !defined(__GLIBC__) |
| 45 | PL_reentrant_buffer->_grent_size = sysconf(_SC_GETGR_R_SIZE_MAX); |
| 46 | if (PL_reentrant_buffer->_grent_size == -1) |
| 47 | PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE; |
| 48 | # else |
| 49 | # if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ) |
| 50 | PL_reentrant_buffer->_grent_size = SIABUFSIZ; |
| 51 | # else |
| 52 | # ifdef __sgi |
| 53 | PL_reentrant_buffer->_grent_size = BUFSIZ; |
| 54 | # else |
| 55 | PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE; |
| 56 | # endif |
| 57 | # endif |
| 58 | # endif |
| 59 | #endif /* HAS_GETGRNAM_R */ |
| 60 | #ifdef HAS_GETHOSTBYNAME_R |
| 61 | #if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD) |
| 62 | PL_reentrant_buffer->_hostent_size = REENTRANTUSUALSIZE; |
| 63 | #endif |
| 64 | #endif /* HAS_GETHOSTBYNAME_R */ |
| 65 | #ifdef HAS_GETLOGIN_R |
| 66 | PL_reentrant_buffer->_getlogin_size = REENTRANTSMALLSIZE; |
| 67 | #endif /* HAS_GETLOGIN_R */ |
| 68 | #ifdef HAS_GETNETBYNAME_R |
| 69 | #if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD) |
| 70 | PL_reentrant_buffer->_netent_size = REENTRANTUSUALSIZE; |
| 71 | #endif |
| 72 | #endif /* HAS_GETNETBYNAME_R */ |
| 73 | #ifdef HAS_GETPROTOBYNAME_R |
| 74 | #if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD) |
| 75 | PL_reentrant_buffer->_protoent_size = REENTRANTUSUALSIZE; |
| 76 | #endif |
| 77 | #endif /* HAS_GETPROTOBYNAME_R */ |
| 78 | #ifdef HAS_GETPWNAM_R |
| 79 | # if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__) |
| 80 | PL_reentrant_buffer->_pwent_size = sysconf(_SC_GETPW_R_SIZE_MAX); |
| 81 | if (PL_reentrant_buffer->_pwent_size == -1) |
| 82 | PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE; |
| 83 | # else |
| 84 | # if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ) |
| 85 | PL_reentrant_buffer->_pwent_size = SIABUFSIZ; |
| 86 | # else |
| 87 | # ifdef __sgi |
| 88 | PL_reentrant_buffer->_pwent_size = BUFSIZ; |
| 89 | # else |
| 90 | PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE; |
| 91 | # endif |
| 92 | # endif |
| 93 | # endif |
| 94 | #endif /* HAS_GETPWNAM_R */ |
| 95 | #ifdef HAS_GETSERVBYNAME_R |
| 96 | #if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD) |
| 97 | PL_reentrant_buffer->_servent_size = REENTRANTUSUALSIZE; |
| 98 | #endif |
| 99 | #endif /* HAS_GETSERVBYNAME_R */ |
| 100 | #ifdef HAS_GETSPNAM_R |
| 101 | # if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__) |
| 102 | PL_reentrant_buffer->_spent_size = sysconf(_SC_GETPW_R_SIZE_MAX); |
| 103 | if (PL_reentrant_buffer->_spent_size == -1) |
| 104 | PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE; |
| 105 | # else |
| 106 | # if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ) |
| 107 | PL_reentrant_buffer->_spent_size = SIABUFSIZ; |
| 108 | # else |
| 109 | # ifdef __sgi |
| 110 | PL_reentrant_buffer->_spent_size = BUFSIZ; |
| 111 | # else |
| 112 | PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE; |
| 113 | # endif |
| 114 | # endif |
| 115 | # endif |
| 116 | #endif /* HAS_GETSPNAM_R */ |
| 117 | #ifdef HAS_GMTIME_R |
| 118 | #endif /* HAS_GMTIME_R */ |
| 119 | #ifdef HAS_LOCALTIME_R |
| 120 | #endif /* HAS_LOCALTIME_R */ |
| 121 | #ifdef HAS_RANDOM_R |
| 122 | #endif /* HAS_RANDOM_R */ |
| 123 | #ifdef HAS_READDIR_R |
| 124 | /* This is the size Solaris recommends. |
| 125 | * (though we go static, should use pathconf() instead) */ |
| 126 | PL_reentrant_buffer->_readdir_size = sizeof(struct dirent) + MAXPATHLEN + 1; |
| 127 | #endif /* HAS_READDIR_R */ |
| 128 | #ifdef HAS_READDIR64_R |
| 129 | /* This is the size Solaris recommends. |
| 130 | * (though we go static, should use pathconf() instead) */ |
| 131 | PL_reentrant_buffer->_readdir64_size = sizeof(struct dirent64) + MAXPATHLEN + 1; |
| 132 | #endif /* HAS_READDIR64_R */ |
| 133 | #ifdef HAS_SETLOCALE_R |
| 134 | PL_reentrant_buffer->_setlocale_size = REENTRANTSMALLSIZE; |
| 135 | #endif /* HAS_SETLOCALE_R */ |
| 136 | #ifdef HAS_SRANDOM_R |
| 137 | #endif /* HAS_SRANDOM_R */ |
| 138 | #ifdef HAS_STRERROR_R |
| 139 | PL_reentrant_buffer->_strerror_size = REENTRANTSMALLSIZE; |
| 140 | #endif /* HAS_STRERROR_R */ |
| 141 | #ifdef HAS_TTYNAME_R |
| 142 | PL_reentrant_buffer->_ttyname_size = REENTRANTSMALLSIZE; |
| 143 | #endif /* HAS_TTYNAME_R */ |
| 144 | |
| 145 | #endif /* USE_REENTRANT_API */ |
| 146 | } |
| 147 | |
| 148 | void |
| 149 | Perl_reentrant_init(pTHX) { |
| 150 | #ifdef USE_REENTRANT_API |
| 151 | New(31337, PL_reentrant_buffer, 1, REENTR); |
| 152 | Perl_reentrant_size(aTHX); |
| 153 | #ifdef HAS_ASCTIME_R |
| 154 | New(31338, PL_reentrant_buffer->_asctime_buffer, PL_reentrant_buffer->_asctime_size, char); |
| 155 | #endif /* HAS_ASCTIME_R */ |
| 156 | #ifdef HAS_CRYPT_R |
| 157 | #if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD |
| 158 | PL_reentrant_buffer->_crypt_struct_buffer = 0; |
| 159 | #endif |
| 160 | #endif /* HAS_CRYPT_R */ |
| 161 | #ifdef HAS_CTIME_R |
| 162 | New(31338, PL_reentrant_buffer->_ctime_buffer, PL_reentrant_buffer->_ctime_size, char); |
| 163 | #endif /* HAS_CTIME_R */ |
| 164 | #ifdef HAS_DRAND48_R |
| 165 | #endif /* HAS_DRAND48_R */ |
| 166 | #ifdef HAS_GETGRNAM_R |
| 167 | # ifdef USE_GRENT_FPTR |
| 168 | PL_reentrant_buffer->_grent_fptr = NULL; |
| 169 | # endif |
| 170 | New(31338, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, char); |
| 171 | #endif /* HAS_GETGRNAM_R */ |
| 172 | #ifdef HAS_GETHOSTBYNAME_R |
| 173 | #if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD) |
| 174 | New(31338, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, char); |
| 175 | #endif |
| 176 | #endif /* HAS_GETHOSTBYNAME_R */ |
| 177 | #ifdef HAS_GETLOGIN_R |
| 178 | New(31338, PL_reentrant_buffer->_getlogin_buffer, PL_reentrant_buffer->_getlogin_size, char); |
| 179 | #endif /* HAS_GETLOGIN_R */ |
| 180 | #ifdef HAS_GETNETBYNAME_R |
| 181 | #if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD) |
| 182 | New(31338, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, char); |
| 183 | #endif |
| 184 | #endif /* HAS_GETNETBYNAME_R */ |
| 185 | #ifdef HAS_GETPROTOBYNAME_R |
| 186 | #if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD) |
| 187 | New(31338, PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size, char); |
| 188 | #endif |
| 189 | #endif /* HAS_GETPROTOBYNAME_R */ |
| 190 | #ifdef HAS_GETPWNAM_R |
| 191 | # ifdef USE_PWENT_FPTR |
| 192 | PL_reentrant_buffer->_pwent_fptr = NULL; |
| 193 | # endif |
| 194 | New(31338, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, char); |
| 195 | #endif /* HAS_GETPWNAM_R */ |
| 196 | #ifdef HAS_GETSERVBYNAME_R |
| 197 | #if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD) |
| 198 | New(31338, PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size, char); |
| 199 | #endif |
| 200 | #endif /* HAS_GETSERVBYNAME_R */ |
| 201 | #ifdef HAS_GETSPNAM_R |
| 202 | # ifdef USE_SPENT_FPTR |
| 203 | PL_reentrant_buffer->_spent_fptr = NULL; |
| 204 | # endif |
| 205 | New(31338, PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size, char); |
| 206 | #endif /* HAS_GETSPNAM_R */ |
| 207 | #ifdef HAS_GMTIME_R |
| 208 | #endif /* HAS_GMTIME_R */ |
| 209 | #ifdef HAS_LOCALTIME_R |
| 210 | #endif /* HAS_LOCALTIME_R */ |
| 211 | #ifdef HAS_RANDOM_R |
| 212 | #endif /* HAS_RANDOM_R */ |
| 213 | #ifdef HAS_READDIR_R |
| 214 | PL_reentrant_buffer->_readdir_struct = (struct dirent*)safemalloc(PL_reentrant_buffer->_readdir_size); |
| 215 | #endif /* HAS_READDIR_R */ |
| 216 | #ifdef HAS_READDIR64_R |
| 217 | PL_reentrant_buffer->_readdir64_struct = (struct dirent64*)safemalloc(PL_reentrant_buffer->_readdir64_size); |
| 218 | #endif /* HAS_READDIR64_R */ |
| 219 | #ifdef HAS_SETLOCALE_R |
| 220 | New(31338, PL_reentrant_buffer->_setlocale_buffer, PL_reentrant_buffer->_setlocale_size, char); |
| 221 | #endif /* HAS_SETLOCALE_R */ |
| 222 | #ifdef HAS_SRANDOM_R |
| 223 | #endif /* HAS_SRANDOM_R */ |
| 224 | #ifdef HAS_STRERROR_R |
| 225 | New(31338, PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size, char); |
| 226 | #endif /* HAS_STRERROR_R */ |
| 227 | #ifdef HAS_TTYNAME_R |
| 228 | New(31338, PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size, char); |
| 229 | #endif /* HAS_TTYNAME_R */ |
| 230 | |
| 231 | #endif /* USE_REENTRANT_API */ |
| 232 | } |
| 233 | |
| 234 | void |
| 235 | Perl_reentrant_free(pTHX) { |
| 236 | #ifdef USE_REENTRANT_API |
| 237 | #ifdef HAS_ASCTIME_R |
| 238 | Safefree(PL_reentrant_buffer->_asctime_buffer); |
| 239 | #endif /* HAS_ASCTIME_R */ |
| 240 | #ifdef HAS_CRYPT_R |
| 241 | #if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD |
| 242 | Safefree(PL_reentrant_buffer->_crypt_struct_buffer); |
| 243 | #endif |
| 244 | #endif /* HAS_CRYPT_R */ |
| 245 | #ifdef HAS_CTIME_R |
| 246 | Safefree(PL_reentrant_buffer->_ctime_buffer); |
| 247 | #endif /* HAS_CTIME_R */ |
| 248 | #ifdef HAS_DRAND48_R |
| 249 | #endif /* HAS_DRAND48_R */ |
| 250 | #ifdef HAS_GETGRNAM_R |
| 251 | Safefree(PL_reentrant_buffer->_grent_buffer); |
| 252 | #endif /* HAS_GETGRNAM_R */ |
| 253 | #ifdef HAS_GETHOSTBYNAME_R |
| 254 | #if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD) |
| 255 | Safefree(PL_reentrant_buffer->_hostent_buffer); |
| 256 | #endif |
| 257 | #endif /* HAS_GETHOSTBYNAME_R */ |
| 258 | #ifdef HAS_GETLOGIN_R |
| 259 | Safefree(PL_reentrant_buffer->_getlogin_buffer); |
| 260 | #endif /* HAS_GETLOGIN_R */ |
| 261 | #ifdef HAS_GETNETBYNAME_R |
| 262 | #if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD) |
| 263 | Safefree(PL_reentrant_buffer->_netent_buffer); |
| 264 | #endif |
| 265 | #endif /* HAS_GETNETBYNAME_R */ |
| 266 | #ifdef HAS_GETPROTOBYNAME_R |
| 267 | #if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD) |
| 268 | Safefree(PL_reentrant_buffer->_protoent_buffer); |
| 269 | #endif |
| 270 | #endif /* HAS_GETPROTOBYNAME_R */ |
| 271 | #ifdef HAS_GETPWNAM_R |
| 272 | Safefree(PL_reentrant_buffer->_pwent_buffer); |
| 273 | #endif /* HAS_GETPWNAM_R */ |
| 274 | #ifdef HAS_GETSERVBYNAME_R |
| 275 | #if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD) |
| 276 | Safefree(PL_reentrant_buffer->_servent_buffer); |
| 277 | #endif |
| 278 | #endif /* HAS_GETSERVBYNAME_R */ |
| 279 | #ifdef HAS_GETSPNAM_R |
| 280 | Safefree(PL_reentrant_buffer->_spent_buffer); |
| 281 | #endif /* HAS_GETSPNAM_R */ |
| 282 | #ifdef HAS_GMTIME_R |
| 283 | #endif /* HAS_GMTIME_R */ |
| 284 | #ifdef HAS_LOCALTIME_R |
| 285 | #endif /* HAS_LOCALTIME_R */ |
| 286 | #ifdef HAS_RANDOM_R |
| 287 | #endif /* HAS_RANDOM_R */ |
| 288 | #ifdef HAS_READDIR_R |
| 289 | Safefree(PL_reentrant_buffer->_readdir_struct); |
| 290 | #endif /* HAS_READDIR_R */ |
| 291 | #ifdef HAS_READDIR64_R |
| 292 | Safefree(PL_reentrant_buffer->_readdir64_struct); |
| 293 | #endif /* HAS_READDIR64_R */ |
| 294 | #ifdef HAS_SETLOCALE_R |
| 295 | Safefree(PL_reentrant_buffer->_setlocale_buffer); |
| 296 | #endif /* HAS_SETLOCALE_R */ |
| 297 | #ifdef HAS_SRANDOM_R |
| 298 | #endif /* HAS_SRANDOM_R */ |
| 299 | #ifdef HAS_STRERROR_R |
| 300 | Safefree(PL_reentrant_buffer->_strerror_buffer); |
| 301 | #endif /* HAS_STRERROR_R */ |
| 302 | #ifdef HAS_TTYNAME_R |
| 303 | Safefree(PL_reentrant_buffer->_ttyname_buffer); |
| 304 | #endif /* HAS_TTYNAME_R */ |
| 305 | |
| 306 | Safefree(PL_reentrant_buffer); |
| 307 | #endif /* USE_REENTRANT_API */ |
| 308 | } |
| 309 | |
| 310 | void* |
| 311 | Perl_reentrant_retry(const char *f, ...) |
| 312 | { |
| 313 | dTHX; |
| 314 | void *retptr = NULL; |
| 315 | #ifdef USE_REENTRANT_API |
| 316 | # 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) |
| 317 | void *p0; |
| 318 | # endif |
| 319 | # if defined(USE_SERVENT_BUFFER) |
| 320 | void *p1; |
| 321 | # endif |
| 322 | # if defined(USE_HOSTENT_BUFFER) |
| 323 | size_t asize; |
| 324 | # endif |
| 325 | # if defined(USE_HOSTENT_BUFFER) || defined(USE_NETENT_BUFFER) || defined(USE_PROTOENT_BUFFER) || defined(USE_SERVENT_BUFFER) |
| 326 | int anint; |
| 327 | # endif |
| 328 | va_list ap; |
| 329 | |
| 330 | va_start(ap, f); |
| 331 | |
| 332 | switch (PL_op->op_type) { |
| 333 | #ifdef USE_HOSTENT_BUFFER |
| 334 | case OP_GHBYADDR: |
| 335 | case OP_GHBYNAME: |
| 336 | case OP_GHOSTENT: |
| 337 | { |
| 338 | #ifdef PERL_REENTRANT_MAXSIZE |
| 339 | if (PL_reentrant_buffer->_hostent_size <= |
| 340 | PERL_REENTRANT_MAXSIZE / 2) |
| 341 | #endif |
| 342 | { |
| 343 | PL_reentrant_buffer->_hostent_size *= 2; |
| 344 | Renew(PL_reentrant_buffer->_hostent_buffer, |
| 345 | PL_reentrant_buffer->_hostent_size, char); |
| 346 | switch (PL_op->op_type) { |
| 347 | case OP_GHBYADDR: |
| 348 | p0 = va_arg(ap, void *); |
| 349 | asize = va_arg(ap, size_t); |
| 350 | anint = va_arg(ap, int); |
| 351 | retptr = gethostbyaddr(p0, asize, anint); break; |
| 352 | case OP_GHBYNAME: |
| 353 | p0 = va_arg(ap, void *); |
| 354 | retptr = gethostbyname(p0); break; |
| 355 | case OP_GHOSTENT: |
| 356 | retptr = gethostent(); break; |
| 357 | default: |
| 358 | SETERRNO(ERANGE, LIB_INVARG); |
| 359 | break; |
| 360 | } |
| 361 | } |
| 362 | } |
| 363 | break; |
| 364 | #endif |
| 365 | #ifdef USE_GRENT_BUFFER |
| 366 | case OP_GGRNAM: |
| 367 | case OP_GGRGID: |
| 368 | case OP_GGRENT: |
| 369 | { |
| 370 | #ifdef PERL_REENTRANT_MAXSIZE |
| 371 | if (PL_reentrant_buffer->_grent_size <= |
| 372 | PERL_REENTRANT_MAXSIZE / 2) |
| 373 | #endif |
| 374 | { |
| 375 | Gid_t gid; |
| 376 | PL_reentrant_buffer->_grent_size *= 2; |
| 377 | Renew(PL_reentrant_buffer->_grent_buffer, |
| 378 | PL_reentrant_buffer->_grent_size, char); |
| 379 | switch (PL_op->op_type) { |
| 380 | case OP_GGRNAM: |
| 381 | p0 = va_arg(ap, void *); |
| 382 | retptr = getgrnam(p0); break; |
| 383 | case OP_GGRGID: |
| 384 | #if Gid_t_size < INTSIZE |
| 385 | gid = (Gid_t)va_arg(ap, int); |
| 386 | #else |
| 387 | gid = va_arg(ap, Gid_t); |
| 388 | #endif |
| 389 | retptr = getgrgid(gid); break; |
| 390 | case OP_GGRENT: |
| 391 | retptr = getgrent(); break; |
| 392 | default: |
| 393 | SETERRNO(ERANGE, LIB_INVARG); |
| 394 | break; |
| 395 | } |
| 396 | } |
| 397 | } |
| 398 | break; |
| 399 | #endif |
| 400 | #ifdef USE_NETENT_BUFFER |
| 401 | case OP_GNBYADDR: |
| 402 | case OP_GNBYNAME: |
| 403 | case OP_GNETENT: |
| 404 | { |
| 405 | #ifdef PERL_REENTRANT_MAXSIZE |
| 406 | if (PL_reentrant_buffer->_netent_size <= |
| 407 | PERL_REENTRANT_MAXSIZE / 2) |
| 408 | #endif |
| 409 | { |
| 410 | Netdb_net_t net; |
| 411 | PL_reentrant_buffer->_netent_size *= 2; |
| 412 | Renew(PL_reentrant_buffer->_netent_buffer, |
| 413 | PL_reentrant_buffer->_netent_size, char); |
| 414 | switch (PL_op->op_type) { |
| 415 | case OP_GNBYADDR: |
| 416 | net = va_arg(ap, Netdb_net_t); |
| 417 | anint = va_arg(ap, int); |
| 418 | retptr = getnetbyaddr(net, anint); break; |
| 419 | case OP_GNBYNAME: |
| 420 | p0 = va_arg(ap, void *); |
| 421 | retptr = getnetbyname(p0); break; |
| 422 | case OP_GNETENT: |
| 423 | retptr = getnetent(); break; |
| 424 | default: |
| 425 | SETERRNO(ERANGE, LIB_INVARG); |
| 426 | break; |
| 427 | } |
| 428 | } |
| 429 | } |
| 430 | break; |
| 431 | #endif |
| 432 | #ifdef USE_PWENT_BUFFER |
| 433 | case OP_GPWNAM: |
| 434 | case OP_GPWUID: |
| 435 | case OP_GPWENT: |
| 436 | { |
| 437 | #ifdef PERL_REENTRANT_MAXSIZE |
| 438 | if (PL_reentrant_buffer->_pwent_size <= |
| 439 | PERL_REENTRANT_MAXSIZE / 2) |
| 440 | #endif |
| 441 | { |
| 442 | Uid_t uid; |
| 443 | PL_reentrant_buffer->_pwent_size *= 2; |
| 444 | Renew(PL_reentrant_buffer->_pwent_buffer, |
| 445 | PL_reentrant_buffer->_pwent_size, char); |
| 446 | switch (PL_op->op_type) { |
| 447 | case OP_GPWNAM: |
| 448 | p0 = va_arg(ap, void *); |
| 449 | retptr = getpwnam(p0); break; |
| 450 | case OP_GPWUID: |
| 451 | #if Uid_t_size < INTSIZE |
| 452 | uid = (Uid_t)va_arg(ap, int); |
| 453 | #else |
| 454 | uid = va_arg(ap, Uid_t); |
| 455 | #endif |
| 456 | retptr = getpwuid(uid); break; |
| 457 | case OP_GPWENT: |
| 458 | retptr = getpwent(); break; |
| 459 | default: |
| 460 | SETERRNO(ERANGE, LIB_INVARG); |
| 461 | break; |
| 462 | } |
| 463 | } |
| 464 | } |
| 465 | break; |
| 466 | #endif |
| 467 | #ifdef USE_PROTOENT_BUFFER |
| 468 | case OP_GPBYNAME: |
| 469 | case OP_GPBYNUMBER: |
| 470 | case OP_GPROTOENT: |
| 471 | { |
| 472 | #ifdef PERL_REENTRANT_MAXSIZE |
| 473 | if (PL_reentrant_buffer->_protoent_size <= |
| 474 | PERL_REENTRANT_MAXSIZE / 2) |
| 475 | #endif |
| 476 | { |
| 477 | PL_reentrant_buffer->_protoent_size *= 2; |
| 478 | Renew(PL_reentrant_buffer->_protoent_buffer, |
| 479 | PL_reentrant_buffer->_protoent_size, char); |
| 480 | switch (PL_op->op_type) { |
| 481 | case OP_GPBYNAME: |
| 482 | p0 = va_arg(ap, void *); |
| 483 | retptr = getprotobyname(p0); break; |
| 484 | case OP_GPBYNUMBER: |
| 485 | anint = va_arg(ap, int); |
| 486 | retptr = getprotobynumber(anint); break; |
| 487 | case OP_GPROTOENT: |
| 488 | retptr = getprotoent(); break; |
| 489 | default: |
| 490 | SETERRNO(ERANGE, LIB_INVARG); |
| 491 | break; |
| 492 | } |
| 493 | } |
| 494 | } |
| 495 | break; |
| 496 | #endif |
| 497 | #ifdef USE_SERVENT_BUFFER |
| 498 | case OP_GSBYNAME: |
| 499 | case OP_GSBYPORT: |
| 500 | case OP_GSERVENT: |
| 501 | { |
| 502 | #ifdef PERL_REENTRANT_MAXSIZE |
| 503 | if (PL_reentrant_buffer->_servent_size <= |
| 504 | PERL_REENTRANT_MAXSIZE / 2) |
| 505 | #endif |
| 506 | { |
| 507 | PL_reentrant_buffer->_servent_size *= 2; |
| 508 | Renew(PL_reentrant_buffer->_servent_buffer, |
| 509 | PL_reentrant_buffer->_servent_size, char); |
| 510 | switch (PL_op->op_type) { |
| 511 | case OP_GSBYNAME: |
| 512 | p0 = va_arg(ap, void *); |
| 513 | p1 = va_arg(ap, void *); |
| 514 | retptr = getservbyname(p0, p1); break; |
| 515 | case OP_GSBYPORT: |
| 516 | anint = va_arg(ap, int); |
| 517 | p0 = va_arg(ap, void *); |
| 518 | retptr = getservbyport(anint, p0); break; |
| 519 | case OP_GSERVENT: |
| 520 | retptr = getservent(); break; |
| 521 | default: |
| 522 | SETERRNO(ERANGE, LIB_INVARG); |
| 523 | break; |
| 524 | } |
| 525 | } |
| 526 | } |
| 527 | break; |
| 528 | #endif |
| 529 | default: |
| 530 | /* Not known how to retry, so just fail. */ |
| 531 | break; |
| 532 | } |
| 533 | |
| 534 | va_end(ap); |
| 535 | #endif |
| 536 | return retptr; |
| 537 | } |
| 538 | |