| 1 | /* -*- buffer-read-only: t -*- |
| 2 | * |
| 3 | * reentr.c |
| 4 | * |
| 5 | * Copyright (C) 2002, 2003, 2005, 2006, 2007 by Larry Wall and others |
| 6 | * |
| 7 | * You may distribute under the terms of either the GNU General Public |
| 8 | * License or the Artistic License, as specified in the README file. |
| 9 | * |
| 10 | * !!!!!!! DO NOT EDIT THIS FILE !!!!!!! |
| 11 | * This file is built by regen/reentr.pl from data in regen/reentr.pl. |
| 12 | * Any changes made here will be lost! |
| 13 | */ |
| 14 | |
| 15 | /* |
| 16 | * "Saruman," I said, standing away from him, "only one hand at a time can |
| 17 | * wield the One, and you know that well, so do not trouble to say we!" |
| 18 | * |
| 19 | * [p.260 of _The Lord of the Rings_, II/ii: "The Council of Elrond"] |
| 20 | */ |
| 21 | |
| 22 | /* |
| 23 | * This file contains a collection of automatically created wrappers |
| 24 | * (created by running reentr.pl) for reentrant (thread-safe) versions of |
| 25 | * various library calls, such as getpwent_r. The wrapping is done so |
| 26 | * that other files like pp_sys.c calling those library functions need not |
| 27 | * care about the differences between various platforms' idiosyncrasies |
| 28 | * regarding these reentrant interfaces. |
| 29 | */ |
| 30 | |
| 31 | #include "EXTERN.h" |
| 32 | #define PERL_IN_REENTR_C |
| 33 | #include "perl.h" |
| 34 | #include "reentr.h" |
| 35 | |
| 36 | #define RenewDouble(data_pointer, size_pointer, type) \ |
| 37 | STMT_START { \ |
| 38 | const size_t size = *(size_pointer) * 2; \ |
| 39 | Renew((data_pointer), (size), type); \ |
| 40 | *(size_pointer) = size; \ |
| 41 | } STMT_END |
| 42 | |
| 43 | void |
| 44 | Perl_reentrant_size(pTHX) { |
| 45 | PERL_UNUSED_CONTEXT; |
| 46 | #ifdef USE_REENTRANT_API |
| 47 | #define REENTRANTSMALLSIZE 256 /* Make something up. */ |
| 48 | #define REENTRANTUSUALSIZE 4096 /* Make something up. */ |
| 49 | #ifdef HAS_ASCTIME_R |
| 50 | PL_reentrant_buffer->_asctime_size = REENTRANTSMALLSIZE; |
| 51 | #endif /* HAS_ASCTIME_R */ |
| 52 | #ifdef HAS_CRYPT_R |
| 53 | #endif /* HAS_CRYPT_R */ |
| 54 | #ifdef HAS_CTIME_R |
| 55 | PL_reentrant_buffer->_ctime_size = REENTRANTSMALLSIZE; |
| 56 | #endif /* HAS_CTIME_R */ |
| 57 | #ifdef HAS_GETGRNAM_R |
| 58 | # if defined(HAS_SYSCONF) && defined(_SC_GETGR_R_SIZE_MAX) && !defined(__GLIBC__) |
| 59 | PL_reentrant_buffer->_grent_size = sysconf(_SC_GETGR_R_SIZE_MAX); |
| 60 | if (PL_reentrant_buffer->_grent_size == (size_t) -1) |
| 61 | PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE; |
| 62 | # elif defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ) |
| 63 | PL_reentrant_buffer->_grent_size = SIABUFSIZ; |
| 64 | # elif defined(__sgi) |
| 65 | PL_reentrant_buffer->_grent_size = BUFSIZ; |
| 66 | # else |
| 67 | PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE; |
| 68 | # endif |
| 69 | #endif /* HAS_GETGRNAM_R */ |
| 70 | #ifdef HAS_GETHOSTBYNAME_R |
| 71 | #if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD) |
| 72 | PL_reentrant_buffer->_hostent_size = REENTRANTUSUALSIZE; |
| 73 | #endif |
| 74 | #endif /* HAS_GETHOSTBYNAME_R */ |
| 75 | #ifdef HAS_GETLOGIN_R |
| 76 | PL_reentrant_buffer->_getlogin_size = REENTRANTSMALLSIZE; |
| 77 | #endif /* HAS_GETLOGIN_R */ |
| 78 | #ifdef HAS_GETNETBYNAME_R |
| 79 | #if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD) |
| 80 | PL_reentrant_buffer->_netent_size = REENTRANTUSUALSIZE; |
| 81 | #endif |
| 82 | #endif /* HAS_GETNETBYNAME_R */ |
| 83 | #ifdef HAS_GETPROTOBYNAME_R |
| 84 | #if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD) |
| 85 | PL_reentrant_buffer->_protoent_size = REENTRANTUSUALSIZE; |
| 86 | #endif |
| 87 | #endif /* HAS_GETPROTOBYNAME_R */ |
| 88 | #ifdef HAS_GETPWNAM_R |
| 89 | # if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__) |
| 90 | PL_reentrant_buffer->_pwent_size = sysconf(_SC_GETPW_R_SIZE_MAX); |
| 91 | if (PL_reentrant_buffer->_pwent_size == (size_t) -1) |
| 92 | PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE; |
| 93 | # elif defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ) |
| 94 | PL_reentrant_buffer->_pwent_size = SIABUFSIZ; |
| 95 | # elif defined(__sgi) |
| 96 | PL_reentrant_buffer->_pwent_size = BUFSIZ; |
| 97 | # else |
| 98 | PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE; |
| 99 | # endif |
| 100 | #endif /* HAS_GETPWNAM_R */ |
| 101 | #ifdef HAS_GETSERVBYNAME_R |
| 102 | #if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD) |
| 103 | PL_reentrant_buffer->_servent_size = REENTRANTUSUALSIZE; |
| 104 | #endif |
| 105 | #endif /* HAS_GETSERVBYNAME_R */ |
| 106 | #ifdef HAS_GETSPNAM_R |
| 107 | # if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__) |
| 108 | PL_reentrant_buffer->_spent_size = sysconf(_SC_GETPW_R_SIZE_MAX); |
| 109 | if (PL_reentrant_buffer->_spent_size == (size_t) -1) |
| 110 | PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE; |
| 111 | # elif defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ) |
| 112 | PL_reentrant_buffer->_spent_size = SIABUFSIZ; |
| 113 | # elif defined(__sgi) |
| 114 | PL_reentrant_buffer->_spent_size = BUFSIZ; |
| 115 | # else |
| 116 | PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE; |
| 117 | # endif |
| 118 | #endif /* HAS_GETSPNAM_R */ |
| 119 | #ifdef HAS_READDIR_R |
| 120 | /* This is the size Solaris recommends. |
| 121 | * (though we go static, should use pathconf() instead) */ |
| 122 | PL_reentrant_buffer->_readdir_size = sizeof(struct dirent) + MAXPATHLEN + 1; |
| 123 | #endif /* HAS_READDIR_R */ |
| 124 | #ifdef HAS_READDIR64_R |
| 125 | /* This is the size Solaris recommends. |
| 126 | * (though we go static, should use pathconf() instead) */ |
| 127 | PL_reentrant_buffer->_readdir64_size = sizeof(struct dirent64) + MAXPATHLEN + 1; |
| 128 | #endif /* HAS_READDIR64_R */ |
| 129 | #ifdef HAS_SETLOCALE_R |
| 130 | PL_reentrant_buffer->_setlocale_size = REENTRANTSMALLSIZE; |
| 131 | #endif /* HAS_SETLOCALE_R */ |
| 132 | #ifdef HAS_STRERROR_R |
| 133 | PL_reentrant_buffer->_strerror_size = REENTRANTSMALLSIZE; |
| 134 | #endif /* HAS_STRERROR_R */ |
| 135 | #ifdef HAS_TTYNAME_R |
| 136 | PL_reentrant_buffer->_ttyname_size = REENTRANTSMALLSIZE; |
| 137 | #endif /* HAS_TTYNAME_R */ |
| 138 | |
| 139 | #endif /* USE_REENTRANT_API */ |
| 140 | } |
| 141 | |
| 142 | void |
| 143 | Perl_reentrant_init(pTHX) { |
| 144 | PERL_UNUSED_CONTEXT; |
| 145 | #ifdef USE_REENTRANT_API |
| 146 | Newx(PL_reentrant_buffer, 1, REENTR); |
| 147 | Perl_reentrant_size(aTHX); |
| 148 | #ifdef HAS_ASCTIME_R |
| 149 | Newx(PL_reentrant_buffer->_asctime_buffer, PL_reentrant_buffer->_asctime_size, char); |
| 150 | #endif /* HAS_ASCTIME_R */ |
| 151 | #ifdef HAS_CRYPT_R |
| 152 | #if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD |
| 153 | PL_reentrant_buffer->_crypt_struct_buffer = 0; |
| 154 | #endif |
| 155 | #endif /* HAS_CRYPT_R */ |
| 156 | #ifdef HAS_CTIME_R |
| 157 | Newx(PL_reentrant_buffer->_ctime_buffer, PL_reentrant_buffer->_ctime_size, char); |
| 158 | #endif /* HAS_CTIME_R */ |
| 159 | #ifdef HAS_GETGRNAM_R |
| 160 | # ifdef USE_GRENT_FPTR |
| 161 | PL_reentrant_buffer->_grent_fptr = NULL; |
| 162 | # endif |
| 163 | Newx(PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, char); |
| 164 | #endif /* HAS_GETGRNAM_R */ |
| 165 | #ifdef HAS_GETHOSTBYNAME_R |
| 166 | #if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD) |
| 167 | Newx(PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, char); |
| 168 | #endif |
| 169 | #endif /* HAS_GETHOSTBYNAME_R */ |
| 170 | #ifdef HAS_GETLOGIN_R |
| 171 | Newx(PL_reentrant_buffer->_getlogin_buffer, PL_reentrant_buffer->_getlogin_size, char); |
| 172 | #endif /* HAS_GETLOGIN_R */ |
| 173 | #ifdef HAS_GETNETBYNAME_R |
| 174 | #if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD) |
| 175 | Newx(PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, char); |
| 176 | #endif |
| 177 | #endif /* HAS_GETNETBYNAME_R */ |
| 178 | #ifdef HAS_GETPROTOBYNAME_R |
| 179 | #if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD) |
| 180 | Newx(PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size, char); |
| 181 | #endif |
| 182 | #endif /* HAS_GETPROTOBYNAME_R */ |
| 183 | #ifdef HAS_GETPWNAM_R |
| 184 | # ifdef USE_PWENT_FPTR |
| 185 | PL_reentrant_buffer->_pwent_fptr = NULL; |
| 186 | # endif |
| 187 | Newx(PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, char); |
| 188 | #endif /* HAS_GETPWNAM_R */ |
| 189 | #ifdef HAS_GETSERVBYNAME_R |
| 190 | #if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD) |
| 191 | Newx(PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size, char); |
| 192 | #endif |
| 193 | #endif /* HAS_GETSERVBYNAME_R */ |
| 194 | #ifdef HAS_GETSPNAM_R |
| 195 | # ifdef USE_SPENT_FPTR |
| 196 | PL_reentrant_buffer->_spent_fptr = NULL; |
| 197 | # endif |
| 198 | Newx(PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size, char); |
| 199 | #endif /* HAS_GETSPNAM_R */ |
| 200 | #ifdef HAS_READDIR_R |
| 201 | PL_reentrant_buffer->_readdir_struct = (struct dirent*)safemalloc(PL_reentrant_buffer->_readdir_size); |
| 202 | #endif /* HAS_READDIR_R */ |
| 203 | #ifdef HAS_READDIR64_R |
| 204 | PL_reentrant_buffer->_readdir64_struct = (struct dirent64*)safemalloc(PL_reentrant_buffer->_readdir64_size); |
| 205 | #endif /* HAS_READDIR64_R */ |
| 206 | #ifdef HAS_SETLOCALE_R |
| 207 | Newx(PL_reentrant_buffer->_setlocale_buffer, PL_reentrant_buffer->_setlocale_size, char); |
| 208 | #endif /* HAS_SETLOCALE_R */ |
| 209 | #ifdef HAS_STRERROR_R |
| 210 | Newx(PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size, char); |
| 211 | #endif /* HAS_STRERROR_R */ |
| 212 | #ifdef HAS_TTYNAME_R |
| 213 | Newx(PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size, char); |
| 214 | #endif /* HAS_TTYNAME_R */ |
| 215 | |
| 216 | #endif /* USE_REENTRANT_API */ |
| 217 | } |
| 218 | |
| 219 | void |
| 220 | Perl_reentrant_free(pTHX) { |
| 221 | PERL_UNUSED_CONTEXT; |
| 222 | #ifdef USE_REENTRANT_API |
| 223 | #ifdef HAS_ASCTIME_R |
| 224 | Safefree(PL_reentrant_buffer->_asctime_buffer); |
| 225 | #endif /* HAS_ASCTIME_R */ |
| 226 | #ifdef HAS_CRYPT_R |
| 227 | #if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD |
| 228 | Safefree(PL_reentrant_buffer->_crypt_struct_buffer); |
| 229 | #endif |
| 230 | #endif /* HAS_CRYPT_R */ |
| 231 | #ifdef HAS_CTIME_R |
| 232 | Safefree(PL_reentrant_buffer->_ctime_buffer); |
| 233 | #endif /* HAS_CTIME_R */ |
| 234 | #ifdef HAS_GETGRNAM_R |
| 235 | Safefree(PL_reentrant_buffer->_grent_buffer); |
| 236 | #endif /* HAS_GETGRNAM_R */ |
| 237 | #ifdef HAS_GETHOSTBYNAME_R |
| 238 | #if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD) |
| 239 | Safefree(PL_reentrant_buffer->_hostent_buffer); |
| 240 | #endif |
| 241 | #endif /* HAS_GETHOSTBYNAME_R */ |
| 242 | #ifdef HAS_GETLOGIN_R |
| 243 | Safefree(PL_reentrant_buffer->_getlogin_buffer); |
| 244 | #endif /* HAS_GETLOGIN_R */ |
| 245 | #ifdef HAS_GETNETBYNAME_R |
| 246 | #if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD) |
| 247 | Safefree(PL_reentrant_buffer->_netent_buffer); |
| 248 | #endif |
| 249 | #endif /* HAS_GETNETBYNAME_R */ |
| 250 | #ifdef HAS_GETPROTOBYNAME_R |
| 251 | #if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD) |
| 252 | Safefree(PL_reentrant_buffer->_protoent_buffer); |
| 253 | #endif |
| 254 | #endif /* HAS_GETPROTOBYNAME_R */ |
| 255 | #ifdef HAS_GETPWNAM_R |
| 256 | Safefree(PL_reentrant_buffer->_pwent_buffer); |
| 257 | #endif /* HAS_GETPWNAM_R */ |
| 258 | #ifdef HAS_GETSERVBYNAME_R |
| 259 | #if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD) |
| 260 | Safefree(PL_reentrant_buffer->_servent_buffer); |
| 261 | #endif |
| 262 | #endif /* HAS_GETSERVBYNAME_R */ |
| 263 | #ifdef HAS_GETSPNAM_R |
| 264 | Safefree(PL_reentrant_buffer->_spent_buffer); |
| 265 | #endif /* HAS_GETSPNAM_R */ |
| 266 | #ifdef HAS_READDIR_R |
| 267 | Safefree(PL_reentrant_buffer->_readdir_struct); |
| 268 | #endif /* HAS_READDIR_R */ |
| 269 | #ifdef HAS_READDIR64_R |
| 270 | Safefree(PL_reentrant_buffer->_readdir64_struct); |
| 271 | #endif /* HAS_READDIR64_R */ |
| 272 | #ifdef HAS_SETLOCALE_R |
| 273 | Safefree(PL_reentrant_buffer->_setlocale_buffer); |
| 274 | #endif /* HAS_SETLOCALE_R */ |
| 275 | #ifdef HAS_STRERROR_R |
| 276 | Safefree(PL_reentrant_buffer->_strerror_buffer); |
| 277 | #endif /* HAS_STRERROR_R */ |
| 278 | #ifdef HAS_TTYNAME_R |
| 279 | Safefree(PL_reentrant_buffer->_ttyname_buffer); |
| 280 | #endif /* HAS_TTYNAME_R */ |
| 281 | |
| 282 | Safefree(PL_reentrant_buffer); |
| 283 | #endif /* USE_REENTRANT_API */ |
| 284 | } |
| 285 | |
| 286 | void* |
| 287 | Perl_reentrant_retry(const char *f, ...) |
| 288 | { |
| 289 | void *retptr = NULL; |
| 290 | va_list ap; |
| 291 | #ifdef USE_REENTRANT_API |
| 292 | dTHX; |
| 293 | /* Easier to special case this here than in embed.pl. (Look at what it |
| 294 | generates for proto.h) */ |
| 295 | PERL_ARGS_ASSERT_REENTRANT_RETRY; |
| 296 | #endif |
| 297 | va_start(ap, f); |
| 298 | { |
| 299 | #ifdef USE_REENTRANT_API |
| 300 | # 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) |
| 301 | void *p0; |
| 302 | # endif |
| 303 | # if defined(USE_SERVENT_BUFFER) |
| 304 | void *p1; |
| 305 | # endif |
| 306 | # if defined(USE_HOSTENT_BUFFER) |
| 307 | size_t asize; |
| 308 | # endif |
| 309 | # if defined(USE_HOSTENT_BUFFER) || defined(USE_NETENT_BUFFER) || defined(USE_PROTOENT_BUFFER) || defined(USE_SERVENT_BUFFER) |
| 310 | int anint; |
| 311 | # endif |
| 312 | |
| 313 | switch (PL_op->op_type) { |
| 314 | #ifdef USE_HOSTENT_BUFFER |
| 315 | case OP_GHBYADDR: |
| 316 | case OP_GHBYNAME: |
| 317 | case OP_GHOSTENT: |
| 318 | { |
| 319 | #ifdef PERL_REENTRANT_MAXSIZE |
| 320 | if (PL_reentrant_buffer->_hostent_size <= |
| 321 | PERL_REENTRANT_MAXSIZE / 2) |
| 322 | #endif |
| 323 | { |
| 324 | RenewDouble(PL_reentrant_buffer->_hostent_buffer, |
| 325 | &PL_reentrant_buffer->_hostent_size, char); |
| 326 | switch (PL_op->op_type) { |
| 327 | case OP_GHBYADDR: |
| 328 | p0 = va_arg(ap, void *); |
| 329 | asize = va_arg(ap, size_t); |
| 330 | anint = va_arg(ap, int); |
| 331 | retptr = gethostbyaddr(p0, asize, anint); break; |
| 332 | case OP_GHBYNAME: |
| 333 | p0 = va_arg(ap, void *); |
| 334 | retptr = gethostbyname((char *)p0); break; |
| 335 | case OP_GHOSTENT: |
| 336 | retptr = gethostent(); break; |
| 337 | default: |
| 338 | SETERRNO(ERANGE, LIB_INVARG); |
| 339 | break; |
| 340 | } |
| 341 | } |
| 342 | } |
| 343 | break; |
| 344 | #endif |
| 345 | #ifdef USE_GRENT_BUFFER |
| 346 | case OP_GGRNAM: |
| 347 | case OP_GGRGID: |
| 348 | case OP_GGRENT: |
| 349 | { |
| 350 | #ifdef PERL_REENTRANT_MAXSIZE |
| 351 | if (PL_reentrant_buffer->_grent_size <= |
| 352 | PERL_REENTRANT_MAXSIZE / 2) |
| 353 | #endif |
| 354 | { |
| 355 | Gid_t gid; |
| 356 | RenewDouble(PL_reentrant_buffer->_grent_buffer, |
| 357 | &PL_reentrant_buffer->_grent_size, char); |
| 358 | switch (PL_op->op_type) { |
| 359 | case OP_GGRNAM: |
| 360 | p0 = va_arg(ap, void *); |
| 361 | retptr = getgrnam((char *)p0); break; |
| 362 | case OP_GGRGID: |
| 363 | #if Gid_t_size < INTSIZE |
| 364 | gid = (Gid_t)va_arg(ap, int); |
| 365 | #else |
| 366 | gid = va_arg(ap, Gid_t); |
| 367 | #endif |
| 368 | retptr = getgrgid(gid); break; |
| 369 | case OP_GGRENT: |
| 370 | retptr = getgrent(); break; |
| 371 | default: |
| 372 | SETERRNO(ERANGE, LIB_INVARG); |
| 373 | break; |
| 374 | } |
| 375 | } |
| 376 | } |
| 377 | break; |
| 378 | #endif |
| 379 | #ifdef USE_NETENT_BUFFER |
| 380 | case OP_GNBYADDR: |
| 381 | case OP_GNBYNAME: |
| 382 | case OP_GNETENT: |
| 383 | { |
| 384 | #ifdef PERL_REENTRANT_MAXSIZE |
| 385 | if (PL_reentrant_buffer->_netent_size <= |
| 386 | PERL_REENTRANT_MAXSIZE / 2) |
| 387 | #endif |
| 388 | { |
| 389 | Netdb_net_t net; |
| 390 | RenewDouble(PL_reentrant_buffer->_netent_buffer, |
| 391 | &PL_reentrant_buffer->_netent_size, char); |
| 392 | switch (PL_op->op_type) { |
| 393 | case OP_GNBYADDR: |
| 394 | net = va_arg(ap, Netdb_net_t); |
| 395 | anint = va_arg(ap, int); |
| 396 | retptr = getnetbyaddr(net, anint); break; |
| 397 | case OP_GNBYNAME: |
| 398 | p0 = va_arg(ap, void *); |
| 399 | retptr = getnetbyname((char *)p0); break; |
| 400 | case OP_GNETENT: |
| 401 | retptr = getnetent(); break; |
| 402 | default: |
| 403 | SETERRNO(ERANGE, LIB_INVARG); |
| 404 | break; |
| 405 | } |
| 406 | } |
| 407 | } |
| 408 | break; |
| 409 | #endif |
| 410 | #ifdef USE_PWENT_BUFFER |
| 411 | case OP_GPWNAM: |
| 412 | case OP_GPWUID: |
| 413 | case OP_GPWENT: |
| 414 | { |
| 415 | #ifdef PERL_REENTRANT_MAXSIZE |
| 416 | if (PL_reentrant_buffer->_pwent_size <= |
| 417 | PERL_REENTRANT_MAXSIZE / 2) |
| 418 | #endif |
| 419 | { |
| 420 | Uid_t uid; |
| 421 | RenewDouble(PL_reentrant_buffer->_pwent_buffer, |
| 422 | &PL_reentrant_buffer->_pwent_size, char); |
| 423 | switch (PL_op->op_type) { |
| 424 | case OP_GPWNAM: |
| 425 | p0 = va_arg(ap, void *); |
| 426 | retptr = getpwnam((char *)p0); break; |
| 427 | case OP_GPWUID: |
| 428 | #if Uid_t_size < INTSIZE |
| 429 | uid = (Uid_t)va_arg(ap, int); |
| 430 | #else |
| 431 | uid = va_arg(ap, Uid_t); |
| 432 | #endif |
| 433 | retptr = getpwuid(uid); break; |
| 434 | #if defined(HAS_GETPWENT) || defined(HAS_GETPWENT_R) |
| 435 | case OP_GPWENT: |
| 436 | retptr = getpwent(); break; |
| 437 | #endif |
| 438 | default: |
| 439 | SETERRNO(ERANGE, LIB_INVARG); |
| 440 | break; |
| 441 | } |
| 442 | } |
| 443 | } |
| 444 | break; |
| 445 | #endif |
| 446 | #ifdef USE_PROTOENT_BUFFER |
| 447 | case OP_GPBYNAME: |
| 448 | case OP_GPBYNUMBER: |
| 449 | case OP_GPROTOENT: |
| 450 | { |
| 451 | #ifdef PERL_REENTRANT_MAXSIZE |
| 452 | if (PL_reentrant_buffer->_protoent_size <= |
| 453 | PERL_REENTRANT_MAXSIZE / 2) |
| 454 | #endif |
| 455 | { |
| 456 | RenewDouble(PL_reentrant_buffer->_protoent_buffer, |
| 457 | &PL_reentrant_buffer->_protoent_size, char); |
| 458 | switch (PL_op->op_type) { |
| 459 | case OP_GPBYNAME: |
| 460 | p0 = va_arg(ap, void *); |
| 461 | retptr = getprotobyname((char *)p0); break; |
| 462 | case OP_GPBYNUMBER: |
| 463 | anint = va_arg(ap, int); |
| 464 | retptr = getprotobynumber(anint); break; |
| 465 | case OP_GPROTOENT: |
| 466 | retptr = getprotoent(); break; |
| 467 | default: |
| 468 | SETERRNO(ERANGE, LIB_INVARG); |
| 469 | break; |
| 470 | } |
| 471 | } |
| 472 | } |
| 473 | break; |
| 474 | #endif |
| 475 | #ifdef USE_SERVENT_BUFFER |
| 476 | case OP_GSBYNAME: |
| 477 | case OP_GSBYPORT: |
| 478 | case OP_GSERVENT: |
| 479 | { |
| 480 | #ifdef PERL_REENTRANT_MAXSIZE |
| 481 | if (PL_reentrant_buffer->_servent_size <= |
| 482 | PERL_REENTRANT_MAXSIZE / 2) |
| 483 | #endif |
| 484 | { |
| 485 | RenewDouble(PL_reentrant_buffer->_servent_buffer, |
| 486 | &PL_reentrant_buffer->_servent_size, char); |
| 487 | switch (PL_op->op_type) { |
| 488 | case OP_GSBYNAME: |
| 489 | p0 = va_arg(ap, void *); |
| 490 | p1 = va_arg(ap, void *); |
| 491 | retptr = getservbyname((char *)p0, (char *)p1); break; |
| 492 | case OP_GSBYPORT: |
| 493 | anint = va_arg(ap, int); |
| 494 | p0 = va_arg(ap, void *); |
| 495 | retptr = getservbyport(anint, (char *)p0); break; |
| 496 | case OP_GSERVENT: |
| 497 | retptr = getservent(); break; |
| 498 | default: |
| 499 | SETERRNO(ERANGE, LIB_INVARG); |
| 500 | break; |
| 501 | } |
| 502 | } |
| 503 | } |
| 504 | break; |
| 505 | #endif |
| 506 | default: |
| 507 | /* Not known how to retry, so just fail. */ |
| 508 | break; |
| 509 | } |
| 510 | #else |
| 511 | PERL_UNUSED_ARG(f); |
| 512 | #endif |
| 513 | } |
| 514 | va_end(ap); |
| 515 | return retptr; |
| 516 | } |
| 517 | |
| 518 | /* ex: set ro: */ |