Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/compat/svr4/svr4_stat.c
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1 /*- 2 * Copyright (c) 1998 Mark Newton 3 * Copyright (c) 1994 Christos Zoulas 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD: src/sys/compat/svr4/svr4_stat.c,v 1.18.4.1 2005/01/30 00:59:20 imp Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/proc.h> 35 #include <sys/stat.h> 36 #include <sys/filedesc.h> 37 #include <sys/jail.h> 38 #include <sys/kernel.h> 39 #include <sys/unistd.h> 40 #include <sys/time.h> 41 #include <sys/sysctl.h> 42 #include <sys/sysproto.h> 43 #include <sys/un.h> 44 45 #include <vm/vm.h> 46 47 #include <netinet/in.h> 48 49 #include <compat/svr4/svr4.h> 50 #include <compat/svr4/svr4_types.h> 51 #include <compat/svr4/svr4_signal.h> 52 #include <compat/svr4/svr4_proto.h> 53 #include <compat/svr4/svr4_util.h> 54 #include <compat/svr4/svr4_stat.h> 55 #include <compat/svr4/svr4_ustat.h> 56 #include <compat/svr4/svr4_utsname.h> 57 #include <compat/svr4/svr4_systeminfo.h> 58 #include <compat/svr4/svr4_socket.h> 59 #include <compat/svr4/svr4_time.h> 60 #if defined(NOTYET) 61 #include "svr4_fuser.h" 62 #endif 63 64 #ifdef sparc 65 /* 66 * Solaris-2.4 on the sparc has the old stat call using the new 67 * stat data structure... 68 */ 69 # define SVR4_NO_OSTAT 70 #endif 71 72 struct svr4_ustat_args { 73 svr4_dev_t dev; 74 struct svr4_ustat * name; 75 }; 76 77 static void bsd_to_svr4_xstat(struct stat *, struct svr4_xstat *); 78 static void bsd_to_svr4_stat64(struct stat *, struct svr4_stat64 *); 79 int svr4_ustat(struct thread *, struct svr4_ustat_args *); 80 static int svr4_to_bsd_pathconf(int); 81 82 /* 83 * SVR4 uses named pipes as named sockets, so we tell programs 84 * that sockets are named pipes with mode 0 85 */ 86 #define BSD_TO_SVR4_MODE(mode) (S_ISSOCK(mode) ? S_IFIFO : (mode)) 87 88 89 #ifndef SVR4_NO_OSTAT 90 static void bsd_to_svr4_stat(struct stat *, struct svr4_stat *); 91 92 static void 93 bsd_to_svr4_stat(st, st4) 94 struct stat *st; 95 struct svr4_stat *st4; 96 { 97 memset(st4, 0, sizeof(*st4)); 98 st4->st_dev = bsd_to_svr4_odev_t(st->st_dev); 99 st4->st_ino = st->st_ino; 100 st4->st_mode = BSD_TO_SVR4_MODE(st->st_mode); 101 st4->st_nlink = st->st_nlink; 102 st4->st_uid = st->st_uid; 103 st4->st_gid = st->st_gid; 104 st4->st_rdev = bsd_to_svr4_odev_t(st->st_rdev); 105 st4->st_size = st->st_size; 106 st4->st_atim = st->st_atimespec.tv_sec; 107 st4->st_mtim = st->st_mtimespec.tv_sec; 108 st4->st_ctim = st->st_ctimespec.tv_sec; 109 } 110 #endif 111 112 113 static void 114 bsd_to_svr4_xstat(st, st4) 115 struct stat *st; 116 struct svr4_xstat *st4; 117 { 118 memset(st4, 0, sizeof(*st4)); 119 st4->st_dev = bsd_to_svr4_dev_t(st->st_dev); 120 st4->st_ino = st->st_ino; 121 st4->st_mode = BSD_TO_SVR4_MODE(st->st_mode); 122 st4->st_nlink = st->st_nlink; 123 st4->st_uid = st->st_uid; 124 st4->st_gid = st->st_gid; 125 st4->st_rdev = bsd_to_svr4_dev_t(st->st_rdev); 126 st4->st_size = st->st_size; 127 st4->st_atim = st->st_atimespec; 128 st4->st_mtim = st->st_mtimespec; 129 st4->st_ctim = st->st_ctimespec; 130 st4->st_blksize = st->st_blksize; 131 st4->st_blocks = st->st_blocks; 132 strcpy(st4->st_fstype, "unknown"); 133 } 134 135 136 static void 137 bsd_to_svr4_stat64(st, st4) 138 struct stat *st; 139 struct svr4_stat64 *st4; 140 { 141 memset(st4, 0, sizeof(*st4)); 142 st4->st_dev = bsd_to_svr4_dev_t(st->st_dev); 143 st4->st_ino = st->st_ino; 144 st4->st_mode = BSD_TO_SVR4_MODE(st->st_mode); 145 st4->st_nlink = st->st_nlink; 146 st4->st_uid = st->st_uid; 147 st4->st_gid = st->st_gid; 148 st4->st_rdev = bsd_to_svr4_dev_t(st->st_rdev); 149 st4->st_size = st->st_size; 150 st4->st_atim = st->st_atimespec; 151 st4->st_mtim = st->st_mtimespec; 152 st4->st_ctim = st->st_ctimespec; 153 st4->st_blksize = st->st_blksize; 154 st4->st_blocks = st->st_blocks; 155 strcpy(st4->st_fstype, "unknown"); 156 } 157 158 int 159 svr4_sys_stat(td, uap) 160 struct thread *td; 161 struct svr4_sys_stat_args *uap; 162 { 163 struct stat st; 164 struct svr4_stat svr4_st; 165 struct stat_args cup; 166 int error; 167 caddr_t sg = stackgap_init(); 168 169 CHECKALTEXIST(td, &sg, uap->path); 170 171 cup.path = uap->path; 172 cup.ub = stackgap_alloc(&sg, sizeof(struct stat)); 173 174 175 if ((error = stat(td, &cup)) != 0) 176 return error; 177 178 if ((error = copyin(cup.ub, &st, sizeof st)) != 0) 179 return error; 180 181 bsd_to_svr4_stat(&st, &svr4_st); 182 183 if (S_ISSOCK(st.st_mode)) 184 (void) svr4_add_socket(td, uap->path, &st); 185 186 if ((error = copyout(&svr4_st, uap->ub, sizeof svr4_st)) != 0) 187 return error; 188 189 return 0; 190 } 191 192 193 int 194 svr4_sys_lstat(td, uap) 195 register struct thread *td; 196 struct svr4_sys_lstat_args *uap; 197 { 198 struct stat st; 199 struct svr4_stat svr4_st; 200 struct lstat_args cup; 201 int error; 202 caddr_t sg = stackgap_init(); 203 204 CHECKALTEXIST(td, &sg, uap->path); 205 206 cup.path = uap->path; 207 cup.ub = stackgap_alloc(&sg, sizeof(struct stat)); 208 209 if ((error = lstat(td, &cup)) != 0) 210 return error; 211 212 if ((error = copyin(cup.ub, &st, sizeof st)) != 0) 213 return error; 214 215 bsd_to_svr4_stat(&st, &svr4_st); 216 217 if (S_ISSOCK(st.st_mode)) 218 (void) svr4_add_socket(td, uap->path, &st); 219 220 if ((error = copyout(&svr4_st, uap->ub, sizeof svr4_st)) != 0) 221 return error; 222 223 return 0; 224 } 225 226 227 int 228 svr4_sys_fstat(td, uap) 229 register struct thread *td; 230 struct svr4_sys_fstat_args *uap; 231 { 232 struct stat st; 233 struct svr4_stat svr4_st; 234 struct fstat_args cup; 235 int error; 236 caddr_t sg = stackgap_init(); 237 238 cup.fd = uap->fd; 239 cup.sb = stackgap_alloc(&sg, sizeof(struct stat)); 240 241 if ((error = fstat(td, &cup)) != 0) 242 return error; 243 244 if ((error = copyin(cup.sb, &st, sizeof st)) != 0) 245 return error; 246 247 bsd_to_svr4_stat(&st, &svr4_st); 248 249 if ((error = copyout(&svr4_st, uap->sb, sizeof svr4_st)) != 0) 250 return error; 251 252 return 0; 253 } 254 255 256 int 257 svr4_sys_xstat(td, uap) 258 register struct thread *td; 259 struct svr4_sys_xstat_args *uap; 260 { 261 struct stat st; 262 struct svr4_xstat svr4_st; 263 struct stat_args cup; 264 int error; 265 266 caddr_t sg = stackgap_init(); 267 CHECKALTEXIST(td, &sg, uap->path); 268 269 cup.path = uap->path; 270 cup.ub = stackgap_alloc(&sg, sizeof(struct stat)); 271 272 if ((error = stat(td, &cup)) != 0) 273 return error; 274 275 if ((error = copyin(cup.ub, &st, sizeof st)) != 0) 276 return error; 277 278 bsd_to_svr4_xstat(&st, &svr4_st); 279 280 #if defined(SOCKET_NOTYET) 281 if (S_ISSOCK(st.st_mode)) 282 (void) svr4_add_socket(td, uap->path, &st); 283 #endif 284 285 if ((error = copyout(&svr4_st, uap->ub, sizeof svr4_st)) != 0) 286 return error; 287 288 return 0; 289 } 290 291 int 292 svr4_sys_lxstat(td, uap) 293 register struct thread *td; 294 struct svr4_sys_lxstat_args *uap; 295 { 296 struct stat st; 297 struct svr4_xstat svr4_st; 298 struct lstat_args cup; 299 int error; 300 caddr_t sg = stackgap_init(); 301 CHECKALTEXIST(td, &sg, uap->path); 302 303 cup.path = uap->path; 304 cup.ub = stackgap_alloc(&sg, sizeof(struct stat)); 305 306 if ((error = lstat(td, &cup)) != 0) 307 return error; 308 309 if ((error = copyin(cup.ub, &st, sizeof st)) != 0) 310 return error; 311 312 bsd_to_svr4_xstat(&st, &svr4_st); 313 314 #if defined(SOCKET_NOTYET) 315 if (S_ISSOCK(st.st_mode)) 316 (void) svr4_add_socket(td, uap->path, &st); 317 #endif 318 if ((error = copyout(&svr4_st, uap->ub, sizeof svr4_st)) != 0) 319 return error; 320 321 return 0; 322 } 323 324 325 int 326 svr4_sys_fxstat(td, uap) 327 register struct thread *td; 328 struct svr4_sys_fxstat_args *uap; 329 { 330 struct stat st; 331 struct svr4_xstat svr4_st; 332 struct fstat_args cup; 333 int error; 334 335 caddr_t sg = stackgap_init(); 336 337 cup.fd = uap->fd; 338 cup.sb = stackgap_alloc(&sg, sizeof(struct stat)); 339 340 if ((error = fstat(td, &cup)) != 0) 341 return error; 342 343 if ((error = copyin(cup.sb, &st, sizeof st)) != 0) 344 return error; 345 346 bsd_to_svr4_xstat(&st, &svr4_st); 347 348 if ((error = copyout(&svr4_st, uap->sb, sizeof svr4_st)) != 0) 349 return error; 350 351 return 0; 352 } 353 354 int 355 svr4_sys_stat64(td, uap) 356 register struct thread *td; 357 struct svr4_sys_stat64_args *uap; 358 { 359 struct stat st; 360 struct svr4_stat64 svr4_st; 361 struct stat_args cup; 362 int error; 363 caddr_t sg = stackgap_init(); 364 365 CHECKALTEXIST(td, &sg, uap->path); 366 367 cup.path = uap->path; 368 cup.ub = stackgap_alloc(&sg, sizeof(struct stat)); 369 370 if ((error = stat(td, &cup)) != 0) 371 return error; 372 373 if ((error = copyin(cup.ub, &st, sizeof st)) != 0) 374 return error; 375 376 bsd_to_svr4_stat64(&st, &svr4_st); 377 378 if (S_ISSOCK(st.st_mode)) 379 (void) svr4_add_socket(td, uap->path, &st); 380 381 if ((error = copyout(&svr4_st, uap->sb, sizeof svr4_st)) != 0) 382 return error; 383 384 return 0; 385 } 386 387 388 int 389 svr4_sys_lstat64(td, uap) 390 register struct thread *td; 391 struct svr4_sys_lstat64_args *uap; 392 { 393 struct stat st; 394 struct svr4_stat64 svr4_st; 395 struct stat_args cup; 396 int error; 397 caddr_t sg = stackgap_init(); 398 399 CHECKALTEXIST(td, &sg, (char *) uap->path); 400 401 cup.path = uap->path; 402 cup.ub = stackgap_alloc(&sg, sizeof(struct stat)); 403 404 if ((error = lstat(td, (struct lstat_args *)&cup)) != 0) 405 return error; 406 407 if ((error = copyin(cup.ub, &st, sizeof st)) != 0) 408 return error; 409 410 bsd_to_svr4_stat64(&st, &svr4_st); 411 412 if (S_ISSOCK(st.st_mode)) 413 (void) svr4_add_socket(td, uap->path, &st); 414 415 if ((error = copyout(&svr4_st, uap->sb, sizeof svr4_st)) != 0) 416 return error; 417 418 return 0; 419 } 420 421 422 int 423 svr4_sys_fstat64(td, uap) 424 register struct thread *td; 425 struct svr4_sys_fstat64_args *uap; 426 { 427 struct stat st; 428 struct svr4_stat64 svr4_st; 429 struct fstat_args cup; 430 int error; 431 caddr_t sg = stackgap_init(); 432 433 cup.fd = uap->fd; 434 cup.sb = stackgap_alloc(&sg, sizeof(struct stat)); 435 436 if ((error = fstat(td, &cup)) != 0) 437 return error; 438 439 if ((error = copyin(cup.sb, &st, sizeof st)) != 0) 440 return error; 441 442 bsd_to_svr4_stat64(&st, &svr4_st); 443 444 if ((error = copyout(&svr4_st, uap->sb, sizeof svr4_st)) != 0) 445 return error; 446 447 return 0; 448 } 449 450 451 int 452 svr4_ustat(td, uap) 453 register struct thread *td; 454 struct svr4_ustat_args *uap; 455 { 456 struct svr4_ustat us; 457 int error; 458 459 memset(&us, 0, sizeof us); 460 461 /* 462 * XXX: should set f_tfree and f_tinode at least 463 * How do we translate dev -> fstat? (and then to svr4_ustat) 464 */ 465 if ((error = copyout(&us, uap->name, sizeof us)) != 0) 466 return (error); 467 468 return 0; 469 } 470 471 /*extern char ostype[], hostname[], osrelease[], version[], machine[];*/ 472 473 int 474 svr4_sys_uname(td, uap) 475 register struct thread *td; 476 struct svr4_sys_uname_args *uap; 477 { 478 struct svr4_utsname sut; 479 480 memset(&sut, 0, sizeof(sut)); 481 482 strlcpy(sut.sysname, ostype, sizeof(sut.sysname)); 483 getcredhostname(td->td_ucred, sut.nodename, sizeof(sut.nodename)); 484 strlcpy(sut.release, osrelease, sizeof(sut.release)); 485 strlcpy(sut.version, version, sizeof(sut.version)); 486 strlcpy(sut.machine, machine, sizeof(sut.machine)); 487 488 return copyout((caddr_t) &sut, (caddr_t) uap->name, 489 sizeof(struct svr4_utsname)); 490 } 491 492 int 493 svr4_sys_systeminfo(td, uap) 494 struct thread *td; 495 struct svr4_sys_systeminfo_args *uap; 496 { 497 char *str = NULL; 498 int error = 0; 499 register_t *retval = td->td_retval; 500 size_t len = 0; 501 char buf[1]; /* XXX NetBSD uses 256, but that seems 502 like awfully excessive kstack usage 503 for an empty string... */ 504 u_int rlen = uap->len; 505 506 switch (uap->what) { 507 case SVR4_SI_SYSNAME: 508 str = ostype; 509 break; 510 511 case SVR4_SI_HOSTNAME: 512 str = hostname; 513 break; 514 515 case SVR4_SI_RELEASE: 516 str = osrelease; 517 break; 518 519 case SVR4_SI_VERSION: 520 str = version; 521 break; 522 523 case SVR4_SI_MACHINE: 524 str = machine; 525 break; 526 527 case SVR4_SI_ARCHITECTURE: 528 str = machine; 529 break; 530 531 case SVR4_SI_HW_SERIAL: 532 str = ""; 533 break; 534 535 case SVR4_SI_HW_PROVIDER: 536 str = ostype; 537 break; 538 539 case SVR4_SI_SRPC_DOMAIN: 540 str = domainname; 541 break; 542 543 case SVR4_SI_PLATFORM: 544 #ifdef __i386__ 545 str = "i86pc"; 546 #else 547 str = "unknown"; 548 #endif 549 break; 550 551 case SVR4_SI_KERB_REALM: 552 str = "unsupported"; 553 break; 554 #if defined(WHY_DOES_AN_EMULATOR_WANT_TO_SET_HOSTNAMES) 555 case SVR4_SI_SET_HOSTNAME: 556 if ((error = suser(td)) != 0) 557 return error; 558 name = KERN_HOSTNAME; 559 return kern_sysctl(&name, 1, 0, 0, uap->buf, rlen, td); 560 561 case SVR4_SI_SET_SRPC_DOMAIN: 562 if ((error = suser(td)) != 0) 563 return error; 564 name = KERN_NISDOMAINNAME; 565 return kern_sysctl(&name, 1, 0, 0, uap->buf, rlen, td); 566 #else 567 case SVR4_SI_SET_HOSTNAME: 568 case SVR4_SI_SET_SRPC_DOMAIN: 569 /* FALLTHROUGH */ 570 #endif 571 case SVR4_SI_SET_KERB_REALM: 572 return 0; 573 574 default: 575 DPRINTF(("Bad systeminfo command %d\n", uap->what)); 576 return ENOSYS; 577 } 578 579 if (str) { 580 len = strlen(str) + 1; 581 if (len > rlen) 582 len = rlen; 583 584 if (uap->buf) { 585 error = copyout(str, uap->buf, len); 586 if (error) 587 return error; 588 /* make sure we are NULL terminated */ 589 buf[0] = '\0'; 590 error = copyout(buf, &(uap->buf[len - 1]), 1); 591 } 592 else 593 error = 0; 594 } 595 /* XXX NetBSD has hostname setting stuff here. Why would an emulator 596 want to do that? */ 597 598 *retval = len; 599 return error; 600 } 601 602 int 603 svr4_sys_utssys(td, uap) 604 register struct thread *td; 605 struct svr4_sys_utssys_args *uap; 606 { 607 switch (uap->sel) { 608 case 0: /* uname(2) */ 609 { 610 struct svr4_sys_uname_args ua; 611 ua.name = uap->a1; 612 return svr4_sys_uname(td, &ua); 613 } 614 615 case 2: /* ustat(2) */ 616 { 617 struct svr4_ustat_args ua; 618 ua.dev = (svr4_dev_t) uap->a2; 619 ua.name = uap->a1; 620 return svr4_ustat(td, &ua); 621 } 622 623 case 3: /* fusers(2) */ 624 return ENOSYS; 625 626 default: 627 return ENOSYS; 628 } 629 return ENOSYS; 630 } 631 632 633 int 634 svr4_sys_utime(td, uap) 635 register struct thread *td; 636 struct svr4_sys_utime_args *uap; 637 { 638 struct svr4_utimbuf ub; 639 struct timeval tbuf[2]; 640 struct utimes_args ap; 641 int error; 642 caddr_t sg = stackgap_init(); 643 void *ttp; 644 645 CHECKALTEXIST(td, &sg, uap->path); 646 ap.path = uap->path; 647 if (uap->ubuf != NULL) { 648 if ((error = copyin(uap->ubuf, &ub, sizeof(ub))) != 0) 649 return error; 650 tbuf[0].tv_sec = ub.actime; 651 tbuf[0].tv_usec = 0; 652 tbuf[1].tv_sec = ub.modtime; 653 tbuf[1].tv_usec = 0; 654 ttp = stackgap_alloc(&sg, sizeof(tbuf)); 655 error = copyout(tbuf, ttp, sizeof(tbuf)); 656 if (error) 657 return error; 658 ap.tptr = ttp; 659 } 660 else 661 ap.tptr = NULL; 662 return utimes(td, &ap); 663 } 664 665 666 int 667 svr4_sys_utimes(td, uap) 668 register struct thread *td; 669 struct svr4_sys_utimes_args *uap; 670 { 671 caddr_t sg = stackgap_init(); 672 CHECKALTEXIST(td, &sg, uap->path); 673 return utimes(td, (struct utimes_args *)uap); 674 } 675 676 static int 677 svr4_to_bsd_pathconf(name) 678 int name; 679 { 680 switch (name) { 681 case SVR4_PC_LINK_MAX: 682 return _PC_LINK_MAX; 683 684 case SVR4_PC_MAX_CANON: 685 return _PC_MAX_CANON; 686 687 case SVR4_PC_MAX_INPUT: 688 return _PC_MAX_INPUT; 689 690 case SVR4_PC_NAME_MAX: 691 return _PC_NAME_MAX; 692 693 case SVR4_PC_PATH_MAX: 694 return _PC_PATH_MAX; 695 696 case SVR4_PC_PIPE_BUF: 697 return _PC_PIPE_BUF; 698 699 case SVR4_PC_NO_TRUNC: 700 return _PC_NO_TRUNC; 701 702 case SVR4_PC_VDISABLE: 703 return _PC_VDISABLE; 704 705 case SVR4_PC_CHOWN_RESTRICTED: 706 return _PC_CHOWN_RESTRICTED; 707 case SVR4_PC_SYNC_IO: 708 #if defined(_PC_SYNC_IO) 709 return _PC_SYNC_IO; 710 #else 711 return 0; 712 #endif 713 case SVR4_PC_ASYNC_IO: 714 case SVR4_PC_PRIO_IO: 715 /* Not supported */ 716 return 0; 717 718 default: 719 /* Invalid */ 720 return -1; 721 } 722 } 723 724 725 int 726 svr4_sys_pathconf(td, uap) 727 register struct thread *td; 728 struct svr4_sys_pathconf_args *uap; 729 { 730 caddr_t sg = stackgap_init(); 731 register_t *retval = td->td_retval; 732 733 CHECKALTEXIST(td, &sg, uap->path); 734 735 uap->name = svr4_to_bsd_pathconf(uap->name); 736 737 switch (uap->name) { 738 case -1: 739 *retval = -1; 740 return EINVAL; 741 case 0: 742 *retval = 0; 743 return 0; 744 default: 745 return pathconf(td, (struct pathconf_args *)uap); 746 } 747 } 748 749 750 int 751 svr4_sys_fpathconf(td, uap) 752 register struct thread *td; 753 struct svr4_sys_fpathconf_args *uap; 754 { 755 register_t *retval = td->td_retval; 756 757 uap->name = svr4_to_bsd_pathconf(uap->name); 758 759 switch (uap->name) { 760 case -1: 761 *retval = -1; 762 return EINVAL; 763 case 0: 764 *retval = 0; 765 return 0; 766 default: 767 return fpathconf(td, (struct fpathconf_args *)uap); 768 } 769 }
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