1/* 2 * $Id: adouble.h,v 1.55 2010-03-30 12:55:26 franklahm Exp $ 3 * Copyright (c) 1990,1991 Regents of The University of Michigan. 4 * All Rights Reserved. 5 * 6 * Permission to use, copy, modify, and distribute this software and 7 * its documentation for any purpose and without fee is hereby granted, 8 * provided that the above copyright notice appears in all copies and 9 * that both that copyright notice and this permission notice appear 10 * in supporting documentation, and that the name of The University 11 * of Michigan not be used in advertising or publicity pertaining to 12 * distribution of the software without specific, written prior 13 * permission. This software is supplied as is without expressed or 14 * implied warranties of any kind. 15 * 16 * Research Systems Unix Group 17 * The University of Michigan 18 * c/o Mike Clark 19 * 535 W. William Street 20 * Ann Arbor, Michigan 21 * +1-313-763-0525 22 * netatalk@itd.umich.edu 23 */ 24 25/*! 26 * @file 27 * @brief Part of Netatalk's AppleDouble implementatation 28 */ 29 30#ifndef _ATALK_ADOUBLE_H 31#define _ATALK_ADOUBLE_H 32 33#ifdef HAVE_CONFIG_H 34#include <config.h> 35#endif 36 37#include <atalk/standards.h> 38 39#include <sys/types.h> 40#include <sys/stat.h> 41 42#ifdef HAVE_UNISTD_H 43#undef __USE_MISC 44#define __USE_MISC 45#include <unistd.h> 46#endif 47 48#include <sys/cdefs.h> 49 50#ifdef HAVE_FCNTL_H 51#include <fcntl.h> 52#endif 53 54#include <sys/mman.h> 55 56#ifdef HAVE_SYS_TIME_H 57#include <sys/time.h> 58#endif 59#include <netatalk/endian.h> 60 61/* version info */ 62#define AD_VERSION1 0x00010000 63#define SFM_VERSION AD_VERSION1 64 65#define AD_VERSION2 0x00020000 66#define AD_VERSION2_OSX 0x00020001 67/* 68 #define AD_VERSION1_ADS 0x00010002 69*/ 70#define AD_VERSION1_SFM 0x00010003 71#define AD_VERSION AD_VERSION2 72 73/* 74 * AppleDouble entry IDs. 75 */ 76#define ADEID_DFORK 1 77#define ADEID_RFORK 2 78#define ADEID_NAME 3 /* Note: starting with Netatalk 2.1 we do NOT alway set the name */ 79#define ADEID_COMMENT 4 80#define ADEID_ICONBW 5 81#define ADEID_ICONCOL 6 82#define ADEID_FILEI 7 /* v1, replaced by: */ 83#define ADEID_FILEDATESI 8 /* this */ 84#define ADEID_FINDERI 9 85#define ADEID_MACFILEI 10 /* we don't use this */ 86#define ADEID_PRODOSFILEI 11 /* we store prodos info here */ 87#define ADEID_MSDOSFILEI 12 /* we don't use this */ 88#define ADEID_SHORTNAME 13 89#define ADEID_AFPFILEI 14 /* where the rest of the FILEI info goes */ 90#define ADEID_DID 15 91 92#if AD_VERSION == AD_VERSION1 93#define ADEID_MAX 16 94#else 95/* netatalk private note fileid reused DID */ 96#define ADEID_PRIVDEV 16 97#define ADEID_PRIVINO 17 98#define ADEID_PRIVSYN 18 /* in synch with database */ 99#define ADEID_PRIVID 19 100#define ADEID_SFMRESERVE1 20 101#define ADEID_SFMRESERVE2 21 102 103#define AD_DEV 0x80444556 104#define AD_INO 0x80494E4F 105#define AD_SYN 0x8053594E 106#define AD_ID 0x8053567E 107#define ADEID_MAX 22 108#endif 109 110/* magic */ 111#define AD_APPLESINGLE_MAGIC 0x00051600 112#define AD_APPLEDOUBLE_MAGIC 0x00051607 113#define AD_MAGIC AD_APPLEDOUBLE_MAGIC 114#define SFM_MAGIC 0x00504641 115 116/* sizes of relevant entry bits */ 117#define ADEDLEN_MAGIC 4 118#define ADEDLEN_VERSION 4 119#define ADEDLEN_FILLER 16 120#define ADEDLEN_NENTRIES 2 121 122/* 26 */ 123#define AD_HEADER_LEN (ADEDLEN_MAGIC + ADEDLEN_VERSION + \ 124 ADEDLEN_FILLER + ADEDLEN_NENTRIES) 125#define AD_ENTRY_LEN 12 /* size of a single entry header */ 126 127/* v1 field widths */ 128#define ADEDLEN_NAME 255 129#define ADEDLEN_COMMENT 200 130#define ADEDLEN_FILEI 16 131#define ADEDLEN_FINDERI 32 132 133/* v2 field widths */ 134#define ADEDLEN_FILEDATESI 16 135#define ADEDLEN_SHORTNAME 12 /* length up to 8.3 */ 136#define ADEDLEN_AFPFILEI 4 137#define ADEDLEN_MACFILEI 4 138#define ADEDLEN_PRODOSFILEI 8 139#define ADEDLEN_MSDOSFILEI 2 140#define ADEDLEN_DID 4 141#define ADEDLEN_PRIVDEV 8 142#define ADEDLEN_PRIVINO 8 143#define ADEDLEN_PRIVSYN 8 144#define ADEDLEN_PRIVID 4 145 146#define ADEID_NUM_V1 5 147#define ADEID_NUM_V2 13 148 149// #define ADEID_NUM_SFM 5 150/* sizeof SFM meta data */ 151#define AD_SFM_LEN 60 152 153/* 589 */ 154#define AD_DATASZ1 (AD_HEADER_LEN + ADEDLEN_NAME + ADEDLEN_COMMENT + ADEDLEN_FILEI + ADEDLEN_FINDERI + \ 155 (ADEID_NUM_V1 * AD_ENTRY_LEN)) 156 157#if AD_DATASZ1 != 589 158#error bad size for AD_DATASZ1 159#endif 160 161#define AD_NEWSZ2 (ADEDLEN_DID + ADEDLEN_AFPFILEI + ADEDLEN_SHORTNAME + ADEDLEN_PRODOSFILEI \ 162 + ADEDLEN_PRIVDEV + ADEDLEN_PRIVINO + ADEDLEN_PRIVSYN + ADEDLEN_PRIVID) 163 164/* 725 */ 165#define AD_DATASZ2 (AD_DATASZ1 + AD_NEWSZ2 + ((ADEID_NUM_V2 - ADEID_NUM_V1) * AD_ENTRY_LEN)) 166 167#if AD_DATASZ2 != 741 168#error bad size for AD_DATASZ2 169#endif 170 171#define AD_DATASZ_MAX 1024 172#if AD_VERSION == AD_VERSION1 173#define AD_DATASZ AD_DATASZ1 /* hold enough for the entries */ 174#elif AD_VERSION == AD_VERSION2 175#define AD_DATASZ AD_DATASZ2 176#endif 177 178/* 179 * some legacy defines from netatalk-990130 180 * (to keep from breaking certain packages) 181 * 182 */ 183 184#define ADEDOFF_RFORK 589 185#define ADEDOFF_NAME 86 186#define ADEDOFF_COMMENT 341 187#define ADEDOFF_FINDERI 557 188#ifndef ADEDOFF_FILEI 189#define ADEDOFF_FILEI 541 190#endif 191 192typedef u_int32_t cnid_t; 193 194/* 195 * The header of the AppleDouble Header File looks like this: 196 * 197 * NAME SIZE 198 * ==== ==== 199 * Magic 4 200 * Version 4 201 * Home File System 16 (this becomes filler in ad v2) 202 * Number of Entries 2 203 * Entry Descriptors for each entry: 204 * Entry ID 4 205 * Offset 4 206 * Length 4 207 */ 208 209struct ad_entry { 210 off_t ade_off; 211 ssize_t ade_len; 212}; 213 214typedef struct adf_lock_t { 215 struct flock lock; 216 int user; 217 int *refcount; /* handle read locks with multiple users */ 218} adf_lock_t; 219 220struct ad_fd { 221 int adf_fd; /* -1: invalid, -2: symlink */ 222 223#ifndef HAVE_PREAD 224 off_t adf_off; 225#endif 226 227 char *adf_syml; 228 int adf_flags; 229 int adf_excl; 230 adf_lock_t *adf_lock; 231 int adf_refcount, adf_lockcount, adf_lockmax; 232}; 233 234/* some header protection */ 235#define AD_INITED 0xad494e54 /* ad"INT" */ 236struct adouble_fops; 237 238struct adouble { 239 u_int32_t ad_magic; 240 u_int32_t ad_version; 241 char ad_filler[ 16 ]; 242 struct ad_entry ad_eid[ ADEID_MAX ]; 243 struct ad_fd ad_data_fork, ad_resource_fork, ad_metadata_fork; 244 struct ad_fd *ad_md; /* either ad_resource or ad_metadata */ 245 246 int ad_flags; /* This really stores version info too (AD_VERSION*) */ 247 int ad_adflags; /* ad_open flags adflags like ADFLAGS_DIR */ 248 unsigned int ad_inited; 249 int ad_options; 250 int ad_fileordir; 251 int ad_refcount; /* used in afpd/ofork.c */ 252 off_t ad_rlen; /* ressource fork len with AFP 3.0 253 the header parameter size is too small. 254 */ 255 char *ad_m_name; /* mac name for open fork */ 256 int ad_m_namelen; 257 struct adouble_fops *ad_ops; 258 u_int16_t ad_open_forks; /* open forks (by others) */ 259 260#ifdef USE_MMAPPED_HEADERS 261 char *ad_data; 262#else 263 char ad_data[AD_DATASZ_MAX]; 264#endif 265}; 266 267struct adouble_fops { 268 char *(*ad_path)(const char *, int); 269 int (*ad_mkrf)(char *); 270 int (*ad_rebuild_header)(struct adouble *); 271 int (*ad_check_header)(struct adouble *, struct stat *); 272 int (*ad_header_read)(struct adouble *, struct stat *); 273 int (*ad_header_upgrade)(struct adouble *, char *); 274}; 275 276#define ADFLAGS_DF (1<<0) 277#define ADFLAGS_HF (1<<1) 278#define ADFLAGS_DIR (1<<2) 279/* 280#define ADFLAGS_NOADOUBLE (1<<3) 281*/ 282#define ADFLAGS_V1COMPAT (1<<4) 283#define ADFLAGS_NOHF (1<<5) /* not an error if no ressource fork */ 284#define ADFLAGS_RDONLY (1<<6) /* don't try readwrite */ 285#define ADFLAGS_OPENFORKS (1<<7) /* check for open fork in ad_metadata function */ 286#define ADFLAGS_RF (1<<8) 287#define ADFLAGS_MD ADFLAGS_HF /* (1<<9) */ 288#define ADFLAGS_CREATE (1<<9) 289 290/* adouble v2 cnid cache */ 291#define ADVOL_NODEV (1 << 0) 292#define ADVOL_CACHE (1 << 1) 293#define ADVOL_UNIXPRIV (1 << 2) /* adouble unix priv */ 294#define ADVOL_INVDOTS (1 << 3) /* dot files (.DS_Store) are invisible) */ 295#define ADVOL_NOADOUBLE (1 << 4) 296#define ADVOL_FOLLO_SYML (1 << 5) 297 298 299/* lock flags */ 300#define ADLOCK_CLR (0) 301#define ADLOCK_RD (1<<0) 302#define ADLOCK_WR (1<<1) 303#define ADLOCK_MASK (ADLOCK_RD | ADLOCK_WR) 304#define ADLOCK_UPGRADE (1<<2) 305#define ADLOCK_FILELOCK (1<<3) 306 307/* we use this so that we can use the same mechanism for both byte 308 * locks and file synchronization locks. i do this by co-opting either 309 * first bits on 32-bit machines or shifting above the last bit on 310 * 64-bit machines. this only matters for the data fork. */ 311#if defined(TRY_64BITOFF_T) && (~0UL > 0xFFFFFFFFU) 312/* synchronization locks */ 313#define AD_FILELOCK_BASE (0x80000000) 314#else 315#if _FILE_OFFSET_BITS == 64 316#define AD_FILELOCK_BASE (0x7FFFFFFFFFFFFFFFULL - 9) 317#else 318#define AD_FILELOCK_BASE (0x7FFFFFFF -9) 319#endif 320#endif 321 322/* FIXME: 323 * AD_FILELOCK_BASE case 324 */ 325#if _FILE_OFFSET_BITS == 64 326#define BYTELOCK_MAX (0x7FFFFFFFFFFFFFFFULL) 327#else 328/* Tru64 is an always-64-bit OS; version 4.0 does not set _FILE_OFFSET_BITS */ 329#if defined(TRU64) 330#define BYTELOCK_MAX (0x7FFFFFFFFFFFFFFFULL) 331#else 332#define BYTELOCK_MAX (0x7FFFFFFFU) 333#endif 334#endif 335 336#define AD_FILELOCK_OPEN_WR (AD_FILELOCK_BASE + 0) 337#define AD_FILELOCK_OPEN_RD (AD_FILELOCK_BASE + 1) 338#define AD_FILELOCK_DENY_WR (AD_FILELOCK_BASE + 2) 339#define AD_FILELOCK_DENY_RD (AD_FILELOCK_BASE + 3) 340#define AD_FILELOCK_OPEN_NONE (AD_FILELOCK_BASE + 4) 341 342/* time stuff. we overload the bits a little. */ 343#define AD_DATE_CREATE 0 344#define AD_DATE_MODIFY 4 345#define AD_DATE_BACKUP 8 346#define AD_DATE_ACCESS 12 347#define AD_DATE_MASK (AD_DATE_CREATE | AD_DATE_MODIFY | \ 348 AD_DATE_BACKUP | AD_DATE_ACCESS) 349#define AD_DATE_UNIX (1 << 10) 350#define AD_DATE_START htonl(0x80000000) 351#define AD_DATE_DELTA 946684800 352#define AD_DATE_FROM_UNIX(x) htonl((x) - AD_DATE_DELTA) 353#define AD_DATE_TO_UNIX(x) (ntohl(x) + AD_DATE_DELTA) 354 355/* various finder offset and info bits */ 356#define FINDERINFO_FRTYPEOFF 0 357#define FINDERINFO_FRCREATOFF 4 358#define FINDERINFO_FRFLAGOFF 8 359 360/* FinderInfo Flags, char in `ad ls`, valid for files|dirs */ 361#define FINDERINFO_ISONDESK (1) /* "d", fd */ 362#define FINDERINFO_COLOR (0x0e) 363#define FINDERINFO_HIDEEXT (1<<4) /* "e", fd */ 364#define FINDERINFO_ISHARED (1<<6) /* "m", f */ 365#define FINDERINFO_HASNOINITS (1<<7) /* "n", f */ 366#define FINDERINFO_HASBEENINITED (1<<8) /* "i", fd */ 367#define FINDERINFO_HASCUSTOMICON (1<<10) /* "c", fd */ 368#define FINDERINFO_ISSTATIONNERY (1<<11) /* "t", f */ 369#define FINDERINFO_NAMELOCKED (1<<12) /* "s", fd */ 370#define FINDERINFO_HASBUNDLE (1<<13) /* "b", fd */ 371#define FINDERINFO_INVISIBLE (1<<14) /* "v", fd */ 372#define FINDERINFO_ISALIAS (1<<15) /* "a", fd */ 373 374#define FINDERINFO_FRVIEWOFF 14 375#define FINDERINFO_CUSTOMICON 0x4 376#define FINDERINFO_CLOSEDVIEW 0x100 377 378/* 379 The "shared" and "invisible" attributes are opaque and stored and 380 retrieved from the FinderFlags. This fixes Bug #2802236: 381 <https://sourceforge.net/tracker/?func=detail&aid=2802236&group_id=8642&atid=108642> 382*/ 383 384/* AFP attributes, char in `ad ls`, valid for files|dirs */ 385#define ATTRBIT_INVISIBLE (1<<0) /* opaque from FinderInfo */ 386#define ATTRBIT_MULTIUSER (1<<1) /* file: opaque, dir: see below */ 387#define ATTRBIT_SYSTEM (1<<2) /* "y", fd */ 388#define ATTRBIT_DOPEN (1<<3) /* data fork already open. Not stored, computed on the fly */ 389#define ATTRBIT_ROPEN (1<<4) /* resource fork already open. Not stored, computed on the fly */ 390#define ATTRBIT_NOWRITE (1<<5) /* "w", f, write inhibit(v2)/read-only(v1) bit */ 391#define ATTRBIT_BACKUP (1<<6) /* "p", fd */ 392#define ATTRBIT_NORENAME (1<<7) /* "r", fd */ 393#define ATTRBIT_NODELETE (1<<8) /* "l", fd */ 394#define ATTRBIT_NOCOPY (1<<10) /* "o", f */ 395#define ATTRBIT_SETCLR (1<<15) /* set/clear bit (d) */ 396 397/* AFP attributes for dirs. These should probably be computed on the fly. 398 * We don't do that, nor does e.g. OS S X 10.5 Server */ 399#define ATTRBIT_EXPFLDR (1<<1) /* Folder is a sharepoint */ 400#define ATTRBIT_MOUNTED (1<<3) /* Directory is mounted by a user */ 401#define ATTRBIT_SHARED (1<<4) /* Shared area, called IsExpFolder in spec */ 402 403/* private AFPFileInfo bits */ 404#define AD_AFPFILEI_OWNER (1 << 0) /* any owner */ 405#define AD_AFPFILEI_GROUP (1 << 1) /* ignore group */ 406#define AD_AFPFILEI_BLANKACCESS (1 << 2) /* blank access permissions */ 407 408#define ad_data_fileno(ad) ((ad)->ad_data_fork.adf_fd) 409#define ad_reso_fileno(ad) ((ad)->ad_resource_fork.adf_fd) 410#define ad_meta_fileno(ad) ((ad)->ad_md->adf_fd) 411 412#define ad_getversion(ad) ((ad)->ad_version) 413 414#define ad_getentrylen(ad,eid) ((ad)->ad_eid[(eid)].ade_len) 415#define ad_setentrylen(ad,eid,len) ((ad)->ad_eid[(eid)].ade_len = (len)) 416#define ad_getentryoff(ad,eid) ((ad)->ad_eid[(eid)].ade_off) 417#define ad_entry(ad,eid) ((caddr_t)(ad)->ad_data + (ad)->ad_eid[(eid)].ade_off) 418 419#define ad_get_HF_flags(ad) ((ad)->ad_resource_fork.adf_flags) 420#define ad_get_MD_flags(ad) ((ad)->ad_md->adf_flags) 421 422#define ad_get_syml_opt(ad) (((ad)->ad_options & ADVOL_FOLLO_SYML) ? 0 : O_NOFOLLOW) 423 424/* ad_flush.c */ 425extern int ad_rebuild_adouble_header (struct adouble *); 426extern int ad_rebuild_sfm_header (struct adouble *); 427extern int ad_copy_header (struct adouble *, struct adouble *); 428extern int ad_flush (struct adouble *); 429extern int ad_close (struct adouble *, int); 430 431/* ad_lock.c */ 432extern int ad_fcntl_lock (struct adouble *, const u_int32_t /*eid*/, 433 const int /*type*/, const off_t /*offset*/, 434 const off_t /*len*/, const int /*user*/); 435extern void ad_fcntl_unlock (struct adouble *, const int /*user*/); 436extern int ad_fcntl_tmplock (struct adouble *, const u_int32_t /*eid*/, 437 const int /*type*/, const off_t /*offset*/, 438 const off_t /*len*/, const int /*user*/); 439extern int ad_testlock (struct adouble * /*adp*/, int /*eid*/, off_t /*off*/); 440 441extern u_int16_t ad_openforks (struct adouble * /*adp*/, u_int16_t); 442extern int ad_excl_lock (struct adouble * /*adp*/, const u_int32_t /*eid*/); 443 444#define ad_lock ad_fcntl_lock 445#define ad_tmplock ad_fcntl_tmplock 446#define ad_unlock ad_fcntl_unlock 447 448/* ad_open.c */ 449extern int ad_setfuid (const uid_t ); 450extern uid_t ad_getfuid (void ); 451extern char *ad_dir (const char *); 452extern char *ad_path (const char *, int); 453extern char *ad_path_osx (const char *, int); 454extern char *ad_path_ads (const char *, int); 455extern char *ad_path_sfm (const char *, int); 456extern int ad_mode (const char *, int); 457extern int ad_mkdir (const char *, int); 458extern void ad_init (struct adouble *, int, int ); 459extern int ad_open (const char *, int, int, int, struct adouble *); 460extern int ad_openat (int dirfd, const char *, int, int, int, struct adouble *); 461extern int ad_refresh (struct adouble *); 462extern int ad_stat (const char *, struct stat *); 463extern int ad_metadata (const char *, int, struct adouble *); 464extern int ad_metadataat (int, const char *, int, struct adouble *); 465 466#define ad_open_metadata(name, flags, mode, adp)\ 467 ad_open(name, ADFLAGS_MD|(flags), O_RDWR |(mode), 0666, (adp)) 468 469#define ad_close_metadata(adp) ad_close( (adp), ADFLAGS_MD) 470 471/* build a resource fork mode from the data fork mode: 472 * remove X mode and extend header to RW if R or W (W if R for locking), 473 */ 474static inline mode_t ad_hf_mode (mode_t mode) 475{ 476 mode &= ~(S_IXUSR | S_IXGRP | S_IXOTH); 477 /* fnctl lock need write access */ 478 if ((mode & S_IRUSR)) 479 mode |= S_IWUSR; 480 if ((mode & S_IRGRP)) 481 mode |= S_IWGRP; 482 if ((mode & S_IROTH)) 483 mode |= S_IWOTH; 484 485 /* if write mode set add read mode */ 486 if ((mode & S_IWUSR)) 487 mode |= S_IRUSR; 488 if ((mode & S_IWGRP)) 489 mode |= S_IRGRP; 490 if ((mode & S_IWOTH)) 491 mode |= S_IROTH; 492 493 return mode; 494} 495 496/* ad_ea.c */ 497ssize_t sys_getxattr (const char *path, const char *name, void *value, size_t size); 498ssize_t sys_lgetxattr (const char *path, const char *name, void *value, size_t size); 499ssize_t sys_fgetxattr (int filedes, const char *name, void *value, size_t size); 500ssize_t sys_listxattr (const char *path, char *list, size_t size); 501ssize_t sys_llistxattr (const char *path, char *list, size_t size); 502ssize_t sys_flistxattr (int filedes, char *list, size_t size); 503int sys_removexattr (const char *path, const char *name); 504int sys_lremovexattr (const char *path, const char *name); 505int sys_fremovexattr (int filedes, const char *name); 506int sys_setxattr (const char *path, const char *name, const void *value, size_t size, int flags); 507int sys_lsetxattr (const char *path, const char *name, const void *value, size_t size, int flags); 508int sys_fsetxattr (int filedes, const char *name, const void *value, size_t size, int flags); 509int sys_copyxattr (const char *src, const char *dst); 510 511/* ad_read.c/ad_write.c */ 512extern int sys_ftruncate(int fd, off_t length); 513 514extern ssize_t ad_read (struct adouble *, const u_int32_t, 515 const off_t, char *, const size_t); 516extern ssize_t ad_pread (struct ad_fd *, void *, size_t, off_t); 517extern ssize_t ad_write (struct adouble *, const u_int32_t, off_t, 518 const int, const char *, const size_t); 519extern ssize_t adf_pread (struct ad_fd *, void *, size_t, off_t); 520extern ssize_t adf_pwrite (struct ad_fd *, const void *, size_t, off_t); 521extern int ad_dtruncate (struct adouble *, const off_t); 522extern int ad_rtruncate (struct adouble *, const off_t); 523 524/* ad_size.c */ 525extern off_t ad_size (const struct adouble *, const u_int32_t ); 526 527/* ad_mmap.c */ 528extern void *ad_mmapread (struct adouble *, const u_int32_t, 529 const off_t, const size_t); 530extern void *ad_mmapwrite (struct adouble *, const u_int32_t, 531 const off_t, const int, const size_t); 532#define ad_munmap(buf, len) (munmap((buf), (len))) 533 534/* ad_date.c */ 535extern int ad_setdate (struct adouble *, unsigned int, u_int32_t); 536extern int ad_getdate (const struct adouble *, unsigned int, u_int32_t *); 537 538/* ad_attr.c */ 539extern int ad_setattr (const struct adouble *, const u_int16_t); 540extern int ad_getattr (const struct adouble *, u_int16_t *); 541 542/* Note: starting with Netatalk 2.1 we do NOT alway set the name */ 543extern int ad_setname (struct adouble *, const char *); 544 545#if AD_VERSION == AD_VERSION2 546extern int ad_setid (struct adouble *, const dev_t dev,const ino_t ino, const u_int32_t, const u_int32_t, const void *); 547extern u_int32_t ad_getid (struct adouble *, const dev_t, const ino_t, const cnid_t, const void *); 548extern u_int32_t ad_forcegetid (struct adouble *adp); 549#else 550#define ad_setid(a, b, c) 551#endif 552 553#ifdef WITH_SENDFILE 554extern int ad_readfile_init(const struct adouble *ad, 555 const int eid, off_t *off, 556 const int end); 557#endif 558 559#if 0 560#ifdef HAVE_SENDFILE_WRITE 561extern ssize_t ad_writefile (struct adouble *, const int, 562 const int, off_t, const int, const size_t); 563#endif /* HAVE_SENDFILE_WRITE */ 564#endif /* 0 */ 565 566#endif /* _ATALK_ADOUBLE_H */ 567