Honour HAVE_POPT*
[rsync/qnx.git] / rsync.h
blob57e3d79d046f6860a22435008cb2178a4da9a075
1 /*
2 * Copyright (C) 1996, 2000 Andrew Tridgell
3 * Copyright (C) 1996 Paul Mackerras
4 * Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org>
5 * Copyright (C) 2003-2008 Wayne Davison
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, visit the http://fsf.org website.
21 #define False 0
22 #define True 1
24 #define BLOCK_SIZE 700
25 #define RSYNC_RSH_ENV "RSYNC_RSH"
26 #define RSYNC_RSH_IO_ENV "RSYNC_RSH_IO"
28 #define RSYNC_NAME "rsync"
29 /* RSYNCD_SYSCONF is now set in config.h */
30 #define RSYNCD_USERCONF "rsyncd.conf"
32 #define DEFAULT_LOCK_FILE "/var/run/rsyncd.lock"
33 #define URL_PREFIX "rsync://"
35 #define SYMLINK_PREFIX "/rsyncd-munged/" /* This MUST have a trailing slash! */
36 #define SYMLINK_PREFIX_LEN ((int)sizeof SYMLINK_PREFIX - 1)
38 #define BACKUP_SUFFIX "~"
40 /* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is
41 incompatible with older versions :-( */
42 #define CHAR_OFFSET 0
44 /* These flags are only used during the flist transfer. */
46 #define XMIT_TOP_DIR (1<<0)
47 #define XMIT_SAME_MODE (1<<1)
48 #define XMIT_SAME_RDEV_pre28 (1<<2) /* protocols 20 - 27 */
49 #define XMIT_EXTENDED_FLAGS (1<<2) /* protocols 28 - now */
50 #define XMIT_SAME_UID (1<<3)
51 #define XMIT_SAME_GID (1<<4)
52 #define XMIT_SAME_NAME (1<<5)
53 #define XMIT_LONG_NAME (1<<6)
54 #define XMIT_SAME_TIME (1<<7)
55 #define XMIT_SAME_RDEV_MAJOR (1<<8) /* protocols 28 - now (devices only) */
56 #define XMIT_NO_CONTENT_DIR (1<<8) /* protocols 30 - now (dirs only) */
57 #define XMIT_HLINKED (1<<9) /* protocols 28 - now */
58 #define XMIT_SAME_DEV_pre30 (1<<10) /* protocols 28 - 29 */
59 #define XMIT_USER_NAME_FOLLOWS (1<<10) /* protocols 30 - now */
60 #define XMIT_RDEV_MINOR_8_pre30 (1<<11) /* protocols 28 - 29 */
61 #define XMIT_GROUP_NAME_FOLLOWS (1<<11) /* protocols 30 - now */
62 #define XMIT_HLINK_FIRST (1<<12) /* protocols 30 - now (HLINKED files only) */
63 #define XMIT_IO_ERROR_ENDLIST (1<<12) /* protocols 31*- now (w/XMIT_EXTENDED_FLAGS) (also protocol 30 w/'f' compat flag) */
64 #define XMIT_MOD_NSEC (1<<13) /* protocols 31 - now */
66 /* These flags are used in the live flist data. */
68 #define FLAG_TOP_DIR (1<<0) /* sender/receiver/generator */
69 #define FLAG_OWNED_BY_US (1<<0) /* generator: set by make_file() for aux flists only */
70 #define FLAG_FILE_SENT (1<<1) /* sender/receiver/generator */
71 #define FLAG_DIR_CREATED (1<<1) /* generator */
72 #define FLAG_CONTENT_DIR (1<<2) /* sender/receiver/generator */
73 #define FLAG_MOUNT_DIR (1<<3) /* sender/generator (dirs only) */
74 #define FLAG_SKIP_HLINK (1<<3) /* receiver/generator (w/FLAG_HLINKED) */
75 #define FLAG_DUPLICATE (1<<4) /* sender */
76 #define FLAG_MISSING_DIR (1<<4) /* generator */
77 #define FLAG_HLINKED (1<<5) /* receiver/generator (checked on all types) */
78 #define FLAG_HLINK_FIRST (1<<6) /* receiver/generator (w/FLAG_HLINKED) */
79 #define FLAG_IMPLIED_DIR (1<<6) /* sender/receiver/generator (dirs only) */
80 #define FLAG_HLINK_LAST (1<<7) /* receiver/generator */
81 #define FLAG_HLINK_DONE (1<<8) /* receiver/generator (checked on all types) */
82 #define FLAG_LENGTH64 (1<<9) /* sender/receiver/generator */
83 #define FLAG_SKIP_GROUP (1<<10) /* receiver/generator */
84 #define FLAG_TIME_FAILED (1<<11)/* generator */
85 #define FLAG_MOD_NSEC (1<<12) /* sender/receiver/generator */
87 /* These flags are passed to functions but not stored. */
89 #define FLAG_DIVERT_DIRS (1<<16) /* sender, but must be unique */
91 /* These flags are for get_dirlist(). */
92 #define GDL_IGNORE_FILTER_RULES (1<<0)
94 /* Some helper macros for matching bits. */
95 #define BITS_SET(val,bits) (((val) & (bits)) == (bits))
96 #define BITS_SETnUNSET(val,onbits,offbits) (((val) & ((onbits)|(offbits))) == (onbits))
97 #define BITS_EQUAL(b1,b2,mask) (((unsigned)(b1) & (unsigned)(mask)) \
98 == ((unsigned)(b2) & (unsigned)(mask)))
100 /* update this if you make incompatible changes */
101 #define PROTOCOL_VERSION 31
103 /* This is used when working on a new protocol version in CVS, and should
104 * be a new non-zero value for each CVS change that affects the protocol.
105 * It must ALWAYS be 0 when the protocol goes final (and NEVER before)! */
106 #define SUBPROTOCOL_VERSION 13
108 /* We refuse to interoperate with versions that are not in this range.
109 * Note that we assume we'll work with later versions: the onus is on
110 * people writing them to make sure that they don't send us anything
111 * we won't understand.
113 * Interoperation with old but supported protocol versions
114 * should cause a warning to be printed. At a future date
115 * the old protocol will become the minimum and
116 * compatibility code removed.
118 * There are two possible explanations for the limit at
119 * MAX_PROTOCOL_VERSION: either to allow new major-rev versions that
120 * do not interoperate with us, and (more likely) so that we can
121 * detect an attempt to connect rsync to a non-rsync server, which is
122 * unlikely to begin by sending a byte between MIN_PROTOCL_VERSION and
123 * MAX_PROTOCOL_VERSION. */
125 #define MIN_PROTOCOL_VERSION 20
126 #define OLD_PROTOCOL_VERSION 25
127 #define MAX_PROTOCOL_VERSION 40
129 #define MIN_FILECNT_LOOKAHEAD 1000
130 #define MAX_FILECNT_LOOKAHEAD 10000
132 #define RSYNC_PORT 873
134 #define SPARSE_WRITE_SIZE (1024)
135 #define WRITE_SIZE (32*1024)
136 #define CHUNK_SIZE (32*1024)
137 #define MAX_MAP_SIZE (256*1024)
138 #define IO_BUFFER_SIZE (32*1024)
139 #define MAX_BLOCK_SIZE ((int32)1 << 17)
141 /* For compatibility with older rsyncs */
142 #define OLD_MAX_BLOCK_SIZE ((int32)1 << 29)
144 #define ROUND_UP_1024(siz) ((siz) & (1024-1) ? ((siz) | (1024-1)) + 1 : (siz))
146 #define IOERR_GENERAL (1<<0) /* For backward compatibility, this must == 1 */
147 #define IOERR_VANISHED (1<<1)
148 #define IOERR_DEL_LIMIT (1<<2)
150 #define MAX_ARGS 1000
151 #define MAX_BASIS_DIRS 20
152 #define MAX_SERVER_ARGS (MAX_BASIS_DIRS*2 + 100)
154 #define MPLEX_BASE 7
156 #define NO_FILTERS 0
157 #define SERVER_FILTERS 1
158 #define ALL_FILTERS 2
160 #define XFLG_FATAL_ERRORS (1<<0)
161 #define XFLG_OLD_PREFIXES (1<<1)
162 #define XFLG_ANCHORED2ABS (1<<2) /* leading slash indicates absolute */
163 #define XFLG_ABS_IF_SLASH (1<<3) /* leading or interior slash is absolute */
164 #define XFLG_DIR2WILD3 (1<<4) /* dir/ match gets trailing *** added */
166 #define ATTRS_REPORT (1<<0)
167 #define ATTRS_SKIP_MTIME (1<<1)
169 #define FULL_FLUSH 1
170 #define NORMAL_FLUSH 0
172 #define PDIR_CREATE 1
173 #define PDIR_DELETE 0
175 /* Note: 0x00 - 0x7F are used for basis_dir[] indexes! */
176 #define FNAMECMP_BASIS_DIR_LOW 0x00 /* Must remain 0! */
177 #define FNAMECMP_BASIS_DIR_HIGH 0x7F
178 #define FNAMECMP_FNAME 0x80
179 #define FNAMECMP_PARTIAL_DIR 0x81
180 #define FNAMECMP_BACKUP 0x82
181 #define FNAMECMP_FUZZY 0x83
183 /* For use by the itemize_changes code */
184 #define ITEM_REPORT_ATIME (1<<0)
185 #define ITEM_REPORT_CHANGE (1<<1)
186 #define ITEM_REPORT_SIZE (1<<2) /* regular files only */
187 #define ITEM_REPORT_TIMEFAIL (1<<2) /* symlinks only */
188 #define ITEM_REPORT_TIME (1<<3)
189 #define ITEM_REPORT_PERMS (1<<4)
190 #define ITEM_REPORT_OWNER (1<<5)
191 #define ITEM_REPORT_GROUP (1<<6)
192 #define ITEM_REPORT_ACL (1<<7)
193 #define ITEM_REPORT_XATTR (1<<8)
194 #define ITEM_BASIS_TYPE_FOLLOWS (1<<11)
195 #define ITEM_XNAME_FOLLOWS (1<<12)
196 #define ITEM_IS_NEW (1<<13)
197 #define ITEM_LOCAL_CHANGE (1<<14)
198 #define ITEM_TRANSFER (1<<15)
199 /* These are outside the range of the transmitted flags. */
200 #define ITEM_MISSING_DATA (1<<16) /* used by log_formatted() */
201 #define ITEM_DELETED (1<<17) /* used by log_formatted() */
202 #define ITEM_MATCHED (1<<18) /* used by itemize() */
204 #define SIGNIFICANT_ITEM_FLAGS (~(\
205 ITEM_BASIS_TYPE_FOLLOWS | ITEM_XNAME_FOLLOWS | ITEM_LOCAL_CHANGE))
207 #define CFN_KEEP_DOT_DIRS (1<<0)
208 #define CFN_KEEP_TRAILING_SLASH (1<<1)
209 #define CFN_DROP_TRAILING_DOT_DIR (1<<2)
210 #define CFN_COLLAPSE_DOT_DOT_DIRS (1<<3)
212 #define SP_DEFAULT 0
213 #define SP_KEEP_DOT_DIRS (1<<0)
215 #define CD_NORMAL 0
216 #define CD_SKIP_CHDIR 1
218 /* Log-message categories. FLOG only goes to the log file, not the client;
219 * FCLIENT is the opposite. */
220 enum logcode {
221 FNONE=0, /* never sent */
222 FERROR_XFER=1, FINFO=2, /* sent over socket for any protocol */
223 FERROR=3, FWARNING=4, /* sent over socket for protocols >= 30 */
224 FERROR_SOCKET=5, FLOG=6, /* only sent via receiver -> generator pipe */
225 FERROR_UTF8=8, /* only sent via receiver -> generator pipe */
226 FCLIENT=7 /* never transmitted (e.g. server converts to FINFO) */
229 /* Messages types that are sent over the message channel. The logcode
230 * values must all be present here with identical numbers. */
231 enum msgcode {
232 MSG_DATA=0, /* raw data on the multiplexed stream */
233 MSG_ERROR_XFER=FERROR_XFER, MSG_INFO=FINFO, /* remote logging */
234 MSG_ERROR=FERROR, MSG_WARNING=FWARNING, /* protocol-30 remote logging */
235 MSG_ERROR_SOCKET=FERROR_SOCKET, /* sibling logging */
236 MSG_ERROR_UTF8=FERROR_UTF8, /* sibling logging */
237 MSG_LOG=FLOG, MSG_CLIENT=FCLIENT, /* sibling logging */
238 MSG_REDO=9, /* reprocess indicated flist index */
239 MSG_STATS=10, /* message has stats data for generator */
240 MSG_IO_ERROR=22,/* the sending side had an I/O error */
241 MSG_IO_TIMEOUT=33,/* tell client about a daemon's timeout value */
242 MSG_NOOP=42, /* a do-nothing message (legacy protocol-30 only) */
243 MSG_ERROR_EXIT=86, /* synchronize an error exit (siblings and protocol >= 31) */
244 MSG_SUCCESS=100,/* successfully updated indicated flist index */
245 MSG_DELETED=101,/* successfully deleted a file on receiving side */
246 MSG_NO_SEND=102,/* sender failed to open a file we wanted */
249 #define NDX_DONE -1
250 #define NDX_FLIST_EOF -2
251 #define NDX_DEL_STATS -3
252 #define NDX_FLIST_OFFSET -101
254 /* For calling delete_item() and delete_dir_contents(). */
255 #define DEL_NO_UID_WRITE (1<<0) /* file/dir has our uid w/o write perm */
256 #define DEL_RECURSE (1<<1) /* if dir, delete all contents */
257 #define DEL_DIR_IS_EMPTY (1<<2) /* internal delete_FUNCTIONS use only */
258 #define DEL_FOR_FILE (1<<3) /* making room for a replacement file */
259 #define DEL_FOR_DIR (1<<4) /* making room for a replacement dir */
260 #define DEL_FOR_SYMLINK (1<<5) /* making room for a replacement symlink */
261 #define DEL_FOR_DEVICE (1<<6) /* making room for a replacement device */
262 #define DEL_FOR_SPECIAL (1<<7) /* making room for a replacement special */
263 #define DEL_FOR_BACKUP (1<<8) /* the delete is for a backup operation */
265 #define DEL_MAKE_ROOM (DEL_FOR_FILE|DEL_FOR_DIR|DEL_FOR_SYMLINK|DEL_FOR_DEVICE|DEL_FOR_SPECIAL)
267 enum delret {
268 DR_SUCCESS = 0, DR_FAILURE, DR_AT_LIMIT, DR_NOT_EMPTY
271 /* Defines for make_path() */
272 #define MKP_DROP_NAME (1<<0) /* drop trailing filename or trailing slash */
273 #define MKP_SKIP_SLASH (1<<1) /* skip one or more leading slashes */
275 /* Defines for maybe_send_keepalive() */
276 #define MSK_ALLOW_FLUSH (1<<0)
277 #define MSK_ACTIVE_RECEIVER (1<<1)
279 #include "errcode.h"
281 #include "config.h"
283 /* The default RSYNC_RSH is always set in config.h. */
285 #include <stdio.h>
286 #ifdef HAVE_SYS_TYPES_H
287 # include <sys/types.h>
288 #endif
289 #ifdef HAVE_SYS_STAT_H
290 # include <sys/stat.h>
291 #endif
292 #ifdef STDC_HEADERS
293 # include <stdlib.h>
294 # include <stddef.h>
295 #else
296 # ifdef HAVE_STDLIB_H
297 # include <stdlib.h>
298 # endif
299 #endif
300 #ifdef HAVE_STRING_H
301 # if !defined STDC_HEADERS && defined HAVE_MEMORY_H
302 # include <memory.h>
303 # endif
304 # include <string.h>
305 #endif
306 #ifdef HAVE_STRINGS_H
307 # include <strings.h>
308 #endif
309 #ifdef HAVE_INTTYPES_H
310 # include <inttypes.h>
311 #endif
312 #ifdef HAVE_STDINT_H
313 # include <stdint.h>
314 #endif
315 #ifdef HAVE_UNISTD_H
316 # include <unistd.h>
317 #endif
319 #ifdef HAVE_SYS_PARAM_H
320 #include <sys/param.h>
321 #endif
323 #if defined HAVE_MALLOC_H && (defined HAVE_MALLINFO || !defined HAVE_STDLIB_H)
324 #include <malloc.h>
325 #endif
327 #ifdef HAVE_SYS_SOCKET_H
328 #include <sys/socket.h>
329 #endif
331 #ifdef TIME_WITH_SYS_TIME
332 #include <sys/time.h>
333 #include <time.h>
334 #else
335 #ifdef HAVE_SYS_TIME_H
336 #include <sys/time.h>
337 #else
338 #include <time.h>
339 #endif
340 #endif
342 #ifdef HAVE_FCNTL_H
343 #include <fcntl.h>
344 #else
345 #ifdef HAVE_SYS_FCNTL_H
346 #include <sys/fcntl.h>
347 #endif
348 #endif
350 #ifdef HAVE_SYS_IOCTL_H
351 #include <sys/ioctl.h>
352 #endif
354 #ifdef HAVE_SYS_FILIO_H
355 #include <sys/filio.h>
356 #endif
358 #include <signal.h>
359 #ifdef HAVE_SYS_WAIT_H
360 #include <sys/wait.h>
361 #endif
362 #ifdef HAVE_CTYPE_H
363 #include <ctype.h>
364 #endif
365 #ifdef HAVE_GRP_H
366 #include <grp.h>
367 #endif
368 #include <errno.h>
370 #ifdef HAVE_UTIME_H
371 #include <utime.h>
372 #endif
374 #if defined HAVE_UTIMENSAT || defined HAVE_LUTIMES
375 #define CAN_SET_SYMLINK_TIMES 1
376 #endif
378 #if defined HAVE_LCHOWN || defined CHOWN_MODIFIES_SYMLINK
379 #define CAN_CHOWN_SYMLINK 1
380 #endif
382 #if defined HAVE_LCHMOD || defined HAVE_SETATTRLIST
383 #define CAN_CHMOD_SYMLINK 1
384 #endif
386 #ifdef HAVE_UTIMENSAT
387 #ifdef HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC
388 #define ST_MTIME_NSEC st_mtim.tv_nsec
389 #elif defined(HAVE_STRUCT_STAT_ST_MTIMENSEC)
390 #define ST_MTIME_NSEC st_mtimensec
391 #endif
392 #endif
394 #ifdef HAVE_SYS_SELECT_H
395 #include <sys/select.h>
396 #endif
398 #ifdef HAVE_SYS_MODE_H
399 /* apparently AIX needs this for S_ISLNK */
400 #ifndef S_ISLNK
401 #include <sys/mode.h>
402 #endif
403 #endif
405 /* these are needed for the uid/gid mapping code */
406 #include <pwd.h>
407 #include <grp.h>
409 #include <stdarg.h>
410 #include <netinet/in.h>
411 #include <arpa/inet.h>
412 #ifdef HAVE_NETDB_H
413 #include <netdb.h>
414 #endif
415 #include <syslog.h>
416 #include <sys/file.h>
418 #ifdef HAVE_DIRENT_H
419 # include <dirent.h>
420 #else
421 # define dirent direct
422 # ifdef HAVE_SYS_NDIR_H
423 # include <sys/ndir.h>
424 # endif
425 # ifdef HAVE_SYS_DIR_H
426 # include <sys/dir.h>
427 # endif
428 # ifdef HAVE_NDIR_H
429 # include <ndir.h>
430 # endif
431 #endif
433 #ifdef MAJOR_IN_MKDEV
434 #include <sys/mkdev.h>
435 # if !defined makedev && (defined mkdev || defined _WIN32 || defined __WIN32__)
436 # define makedev mkdev
437 # endif
438 #elif defined MAJOR_IN_SYSMACROS
439 #include <sys/sysmacros.h>
440 #endif
442 #ifdef MAKEDEV_TAKES_3_ARGS
443 #define MAKEDEV(devmajor,devminor) makedev(0,devmajor,devminor)
444 #else
445 #define MAKEDEV(devmajor,devminor) makedev(devmajor,devminor)
446 #endif
448 #ifdef HAVE_COMPAT_H
449 #include <compat.h>
450 #endif
452 #ifdef HAVE_LIMITS_H
453 # include <limits.h>
454 #endif
456 #if defined USE_ICONV_OPEN && defined HAVE_ICONV_H
457 #include <iconv.h>
458 #ifndef ICONV_CONST
459 #define ICONV_CONST
460 #endif
461 #else
462 #ifdef ICONV_CONST
463 #undef ICONV_CONST
464 #endif
465 #ifdef ICONV_OPTION
466 #undef ICONV_OPTION
467 #endif
468 #ifdef iconv_t
469 #undef iconv_t
470 #endif
471 #define iconv_t int
472 #endif
474 #include <assert.h>
476 #include "lib/pool_alloc.h"
478 #ifndef HAVE_ID_T
479 typedef unsigned int id_t;
480 #endif
481 #ifndef HAVE_PID_T
482 typedef int pid_t;
483 #endif
484 #ifndef HAVE_MODE_T
485 typedef unsigned int mode_t;
486 #endif
487 #ifndef HAVE_OFF_T
488 typedef long off_t;
489 #undef SIZEOF_OFF_T
490 #define SIZEOF_OFF_T SIZEOF_LONG
491 #endif
492 #ifndef HAVE_SIZE_T
493 typedef unsigned int size_t;
494 #endif
496 #define BOOL int
498 #ifndef uchar
499 #define uchar unsigned char
500 #endif
502 #ifdef SIGNED_CHAR_OK
503 #define schar signed char
504 #else
505 #define schar char
506 #endif
508 #ifndef int16
509 #if SIZEOF_INT16_T == 2
510 # define int16 int16_t
511 #else
512 # define int16 short
513 #endif
514 #endif
516 #ifndef uint16
517 #if SIZEOF_UINT16_T == 2
518 # define uint16 uint16_t
519 #else
520 # define uint16 unsigned int16
521 #endif
522 #endif
524 /* Find a variable that is either exactly 32-bits or longer.
525 * If some code depends on 32-bit truncation, it will need to
526 * take special action in a "#if SIZEOF_INT32 > 4" section. */
527 #ifndef int32
528 #if SIZEOF_INT32_T == 4
529 # define int32 int32_t
530 # define SIZEOF_INT32 4
531 #elif SIZEOF_INT == 4
532 # define int32 int
533 # define SIZEOF_INT32 4
534 #elif SIZEOF_LONG == 4
535 # define int32 long
536 # define SIZEOF_INT32 4
537 #elif SIZEOF_SHORT == 4
538 # define int32 short
539 # define SIZEOF_INT32 4
540 #elif SIZEOF_INT > 4
541 # define int32 int
542 # define SIZEOF_INT32 SIZEOF_INT
543 #elif SIZEOF_LONG > 4
544 # define int32 long
545 # define SIZEOF_INT32 SIZEOF_LONG
546 #else
547 # error Could not find a 32-bit integer variable
548 #endif
549 #else
550 # define SIZEOF_INT32 4
551 #endif
553 #ifndef uint32
554 #if SIZEOF_UINT32_T == 4
555 # define uint32 uint32_t
556 #else
557 # define uint32 unsigned int32
558 #endif
559 #endif
561 #if SIZEOF_OFF_T == 8 || !SIZEOF_OFF64_T || !defined HAVE_STRUCT_STAT64
562 #define OFF_T off_t
563 #define STRUCT_STAT struct stat
564 #define SIZEOF_CAPITAL_OFF_T SIZEOF_OFF_T
565 #else
566 #define OFF_T off64_t
567 #define STRUCT_STAT struct stat64
568 #define USE_STAT64_FUNCS 1
569 #define SIZEOF_CAPITAL_OFF_T SIZEOF_OFF64_T
570 #endif
572 /* CAVEAT: on some systems, int64 will really be a 32-bit integer IFF
573 * that's the maximum size the file system can handle and there is no
574 * 64-bit type available. The rsync source must therefore take steps
575 * to ensure that any code that really requires a 64-bit integer has
576 * it (e.g. the checksum code uses two 32-bit integers for its 64-bit
577 * counter). */
578 #if SIZEOF_INT64_T == 8
579 # define int64 int64_t
580 # define SIZEOF_INT64 8
581 #elif SIZEOF_LONG == 8
582 # define int64 long
583 # define SIZEOF_INT64 8
584 #elif SIZEOF_INT == 8
585 # define int64 int
586 # define SIZEOF_INT64 8
587 #elif SIZEOF_LONG_LONG == 8
588 # define int64 long long
589 # define SIZEOF_INT64 8
590 #elif SIZEOF_OFF64_T == 8
591 # define int64 off64_t
592 # define SIZEOF_INT64 8
593 #elif SIZEOF_OFF_T == 8
594 # define int64 off_t
595 # define SIZEOF_INT64 8
596 #elif SIZEOF_INT > 8
597 # define int64 int
598 # define SIZEOF_INT64 SIZEOF_INT
599 #elif SIZEOF_LONG > 8
600 # define int64 long
601 # define SIZEOF_INT64 SIZEOF_LONG
602 #elif SIZEOF_LONG_LONG > 8
603 # define int64 long long
604 # define SIZEOF_INT64 SIZEOF_LONG_LONG
605 #else
606 /* As long as it gets... */
607 # define int64 off_t
608 # define SIZEOF_INT64 SIZEOF_OFF_T
609 #endif
611 struct hashtable {
612 void *nodes;
613 int32 size, entries;
614 uint32 node_size;
615 short key64;
618 struct ht_int32_node {
619 void *data;
620 int32 key;
623 struct ht_int64_node {
624 void *data;
625 int64 key;
628 #define HT_NODE(tbl, bkts, i) ((void*)((char*)(bkts) + (i)*(tbl)->node_size))
629 #define HT_KEY(node, k64) ((k64)? ((struct ht_int64_node*)(node))->key \
630 : (int64)((struct ht_int32_node*)(node))->key)
632 #ifndef MIN
633 #define MIN(a,b) ((a)<(b)?(a):(b))
634 #endif
636 #ifndef MAX
637 #define MAX(a,b) ((a)>(b)?(a):(b))
638 #endif
640 #ifndef MAXHOSTNAMELEN
641 #define MAXHOSTNAMELEN 256
642 #endif
644 #define SUM_LENGTH 16
645 #define SHORT_SUM_LENGTH 2
646 #define BLOCKSUM_BIAS 10
648 #ifndef MAXPATHLEN
649 #define MAXPATHLEN 1024
650 #endif
652 /* We want a roomy line buffer that can hold more than MAXPATHLEN,
653 * and significantly more than an overly short MAXPATHLEN. */
654 #if MAXPATHLEN < 4096
655 #define BIGPATHBUFLEN (4096+1024)
656 #else
657 #define BIGPATHBUFLEN (MAXPATHLEN+1024)
658 #endif
660 #ifndef NAME_MAX
661 #define NAME_MAX 255
662 #endif
664 #ifndef INADDR_NONE
665 #define INADDR_NONE 0xffffffff
666 #endif
668 #ifndef IN_LOOPBACKNET
669 #define IN_LOOPBACKNET 127
670 #endif
672 #if HAVE_UNIXWARE_ACLS|HAVE_SOLARIS_ACLS|HAVE_HPUX_ACLS
673 #define ACLS_NEED_MASK 1
674 #endif
676 #if defined HAVE_FALLOCATE || HAVE_SYS_FALLOCATE
677 #ifdef HAVE_LINUX_FALLOC_H
678 #include <linux/falloc.h>
679 #endif
680 #ifdef FALLOC_FL_KEEP_SIZE
681 #define SUPPORT_PREALLOCATION 1
682 #elif defined HAVE_FTRUNCATE
683 #define SUPPORT_PREALLOCATION 1
684 #define PREALLOCATE_NEEDS_TRUNCATE 1
685 #endif
686 #else /* !fallocate */
687 #if defined HAVE_EFFICIENT_POSIX_FALLOCATE && defined HAVE_FTRUNCATE
688 #define SUPPORT_PREALLOCATION 1
689 #define PREALLOCATE_NEEDS_TRUNCATE 1
690 #endif
691 #endif
693 union file_extras {
694 int32 num;
695 uint32 unum;
698 struct file_struct {
699 const char *dirname; /* The dir info inside the transfer */
700 time_t modtime; /* When the item was last modified */
701 uint32 len32; /* Lowest 32 bits of the file's length */
702 uint16 mode; /* The item's type and permissions */
703 uint16 flags; /* The FLAG_* bits for this item */
704 const char basename[1]; /* The basename (AKA filename) follows */
707 extern int file_extra_cnt;
708 extern int inc_recurse;
709 extern int uid_ndx;
710 extern int gid_ndx;
711 extern int acls_ndx;
712 extern int xattrs_ndx;
714 #define FILE_STRUCT_LEN (offsetof(struct file_struct, basename))
715 #define EXTRA_LEN (sizeof (union file_extras))
716 #define PTR_EXTRA_CNT ((sizeof (char *) + EXTRA_LEN - 1) / EXTRA_LEN)
717 #define DEV_EXTRA_CNT 2
718 #define DIRNODE_EXTRA_CNT 3
719 #define SUM_EXTRA_CNT ((MAX_DIGEST_LEN + EXTRA_LEN - 1) / EXTRA_LEN)
721 #define REQ_EXTRA(f,ndx) ((union file_extras*)(f) - (ndx))
722 #define OPT_EXTRA(f,bump) ((union file_extras*)(f) - file_extra_cnt - 1 - (bump))
724 #define NSEC_BUMP(f) ((f)->flags & FLAG_MOD_NSEC ? 1 : 0)
725 #define LEN64_BUMP(f) ((f)->flags & FLAG_LENGTH64 ? 1 : 0)
726 #define START_BUMP(f) (NSEC_BUMP(f) + LEN64_BUMP(f))
727 #define HLINK_BUMP(f) ((f)->flags & (FLAG_HLINKED|FLAG_HLINK_DONE) ? inc_recurse+1 : 0)
728 #define ACL_BUMP(f) (acls_ndx ? 1 : 0)
730 /* The length applies to all items. */
731 #if SIZEOF_INT64 < 8
732 #define F_LENGTH(f) ((int64)(f)->len32)
733 #else
734 #define F_LENGTH(f) ((int64)(f)->len32 + ((f)->flags & FLAG_LENGTH64 \
735 ? (int64)OPT_EXTRA(f, NSEC_BUMP(f))->unum << 32 : 0))
736 #endif
738 #define F_MOD_NSEC(f) ((f)->flags & FLAG_MOD_NSEC ? OPT_EXTRA(f, 0)->unum : 0)
740 /* If there is a symlink string, it is always right after the basename */
741 #define F_SYMLINK(f) ((f)->basename + strlen((f)->basename) + 1)
743 /* The sending side always has this available: */
744 #define F_PATHNAME(f) (*(const char**)REQ_EXTRA(f, PTR_EXTRA_CNT))
746 /* The receiving side always has this available: */
747 #define F_DEPTH(f) REQ_EXTRA(f, 1)->num
749 /* When the associated option is on, all entries will have these present: */
750 #define F_OWNER(f) REQ_EXTRA(f, uid_ndx)->unum
751 #define F_GROUP(f) REQ_EXTRA(f, gid_ndx)->unum
752 #define F_ACL(f) REQ_EXTRA(f, acls_ndx)->num
753 #define F_XATTR(f) REQ_EXTRA(f, xattrs_ndx)->num
754 #define F_NDX(f) REQ_EXTRA(f, unsort_ndx)->num
756 /* These items are per-entry optional: */
757 #define F_HL_GNUM(f) OPT_EXTRA(f, START_BUMP(f))->num /* non-dirs */
758 #define F_HL_PREV(f) OPT_EXTRA(f, START_BUMP(f)+inc_recurse)->num /* non-dirs */
759 #define F_DIR_NODE_P(f) (&OPT_EXTRA(f, START_BUMP(f) \
760 + DIRNODE_EXTRA_CNT - 1)->num) /* sender dirs */
761 #define F_DIR_RELNAMES_P(f) (&OPT_EXTRA(f, START_BUMP(f) + DIRNODE_EXTRA_CNT \
762 + PTR_EXTRA_CNT - 1)->num) /* sender dirs */
763 #define F_DIR_DEFACL(f) OPT_EXTRA(f, START_BUMP(f))->unum /* receiver dirs */
764 #define F_DIR_DEV_P(f) (&OPT_EXTRA(f, START_BUMP(f) + ACL_BUMP(f) \
765 + DEV_EXTRA_CNT - 1)->unum) /* receiver dirs */
767 /* This optional item might follow an F_HL_*() item. */
768 #define F_RDEV_P(f) (&OPT_EXTRA(f, START_BUMP(f) + HLINK_BUMP(f) + DEV_EXTRA_CNT - 1)->unum)
770 /* The sum is only present on regular files. */
771 #define F_SUM(f) ((char*)OPT_EXTRA(f, START_BUMP(f) + HLINK_BUMP(f) \
772 + SUM_EXTRA_CNT - 1))
774 /* Some utility defines: */
775 #define F_IS_ACTIVE(f) (f)->basename[0]
776 #define F_IS_HLINKED(f) ((f)->flags & FLAG_HLINKED)
778 #define F_HLINK_NOT_FIRST(f) BITS_SETnUNSET((f)->flags, FLAG_HLINKED, FLAG_HLINK_FIRST)
779 #define F_HLINK_NOT_LAST(f) BITS_SETnUNSET((f)->flags, FLAG_HLINKED, FLAG_HLINK_LAST)
781 /* These access the F_DIR_DEV_P() and F_RDEV_P() values: */
782 #define DEV_MAJOR(a) (a)[0]
783 #define DEV_MINOR(a) (a)[1]
785 /* These access the F_DIRS_NODE_P() values: */
786 #define DIR_PARENT(a) (a)[0]
787 #define DIR_FIRST_CHILD(a) (a)[1]
788 #define DIR_NEXT_SIBLING(a) (a)[2]
791 * Start the flist array at FLIST_START entries and grow it
792 * by doubling until FLIST_LINEAR then grow by FLIST_LINEAR
794 #define FLIST_START (32 * 1024)
795 #define FLIST_LINEAR (FLIST_START * 512)
798 * Extent size for allocation pools: A minimum size of 128KB
799 * is needed to mmap them so that freeing will release the
800 * space to the OS.
802 * Larger sizes reduce leftover fragments and speed free calls
803 * (when they happen). Smaller sizes increase the chance of
804 * freed allocations freeing whole extents.
806 #define NORMAL_EXTENT (256 * 1024)
807 #define SMALL_EXTENT (128 * 1024)
809 #define FLIST_TEMP (1<<1)
811 struct file_list {
812 struct file_list *next, *prev;
813 struct file_struct **files, **sorted;
814 alloc_pool_t file_pool;
815 void *pool_boundary;
816 int used, malloced;
817 int low, high; /* 0-relative index values excluding empties */
818 int ndx_start; /* the start offset for inc_recurse mode */
819 int flist_num; /* 1-relative file_list number or 0 */
820 int parent_ndx; /* dir_flist index of parent directory */
821 int in_progress, to_redo;
824 #define SUMFLG_SAME_OFFSET (1<<0)
826 struct sum_buf {
827 OFF_T offset; /**< offset in file of this chunk */
828 int32 len; /**< length of chunk of file */
829 uint32 sum1; /**< simple checksum */
830 int32 chain; /**< next hash-table collision */
831 short flags; /**< flag bits */
832 char sum2[SUM_LENGTH]; /**< checksum */
835 struct sum_struct {
836 OFF_T flength; /**< total file length */
837 struct sum_buf *sums; /**< points to info for each chunk */
838 int32 count; /**< how many chunks */
839 int32 blength; /**< block_length */
840 int32 remainder; /**< flength % block_length */
841 int s2length; /**< sum2_length */
844 struct map_struct {
845 OFF_T file_size; /* File size (from stat) */
846 OFF_T p_offset; /* Window start */
847 OFF_T p_fd_offset; /* offset of cursor in fd ala lseek */
848 char *p; /* Window pointer */
849 int32 p_size; /* Largest window size we allocated */
850 int32 p_len; /* Latest (rounded) window size */
851 int32 def_window_size; /* Default window size */
852 int fd; /* File Descriptor */
853 int status; /* first errno from read errors */
856 #define FILTRULE_WILD (1<<0) /* pattern has '*', '[', and/or '?' */
857 #define FILTRULE_WILD2 (1<<1) /* pattern has '**' */
858 #define FILTRULE_WILD2_PREFIX (1<<2) /* pattern starts with "**" */
859 #define FILTRULE_WILD3_SUFFIX (1<<3) /* pattern ends with "***" */
860 #define FILTRULE_ABS_PATH (1<<4) /* path-match on absolute path */
861 #define FILTRULE_INCLUDE (1<<5) /* this is an include, not an exclude */
862 #define FILTRULE_DIRECTORY (1<<6) /* this matches only directories */
863 #define FILTRULE_WORD_SPLIT (1<<7) /* split rules on whitespace */
864 #define FILTRULE_NO_INHERIT (1<<8) /* don't inherit these rules */
865 #define FILTRULE_NO_PREFIXES (1<<9) /* parse no prefixes from patterns */
866 #define FILTRULE_MERGE_FILE (1<<10)/* specifies a file to merge */
867 #define FILTRULE_PERDIR_MERGE (1<<11)/* merge-file is searched per-dir */
868 #define FILTRULE_EXCLUDE_SELF (1<<12)/* merge-file name should be excluded */
869 #define FILTRULE_FINISH_SETUP (1<<13)/* per-dir merge file needs setup */
870 #define FILTRULE_NEGATE (1<<14)/* rule matches when pattern does not */
871 #define FILTRULE_CVS_IGNORE (1<<15)/* rule was -C or :C */
872 #define FILTRULE_SENDER_SIDE (1<<16)/* rule applies to the sending side */
873 #define FILTRULE_RECEIVER_SIDE (1<<17)/* rule applies to the receiving side */
874 #define FILTRULE_CLEAR_LIST (1<<18)/* this item is the "!" token */
875 #define FILTRULE_PERISHABLE (1<<19)/* perishable if parent dir goes away */
877 #define FILTRULES_SIDES (FILTRULE_SENDER_SIDE | FILTRULE_RECEIVER_SIDE)
879 typedef struct filter_struct {
880 struct filter_struct *next;
881 char *pattern;
882 uint32 rflags;
883 union {
884 int slash_cnt;
885 struct filter_list_struct *mergelist;
886 } u;
887 } filter_rule;
889 typedef struct filter_list_struct {
890 filter_rule *head;
891 filter_rule *tail;
892 filter_rule *parent_dirscan_head;
893 char *debug_type;
894 } filter_rule_list;
896 struct stats {
897 int64 total_size;
898 int64 total_transferred_size;
899 int64 total_written;
900 int64 total_read;
901 int64 literal_data;
902 int64 matched_data;
903 int64 flist_buildtime;
904 int64 flist_xfertime;
905 int64 flist_size;
906 int num_files, num_dirs, num_symlinks, num_devices, num_specials;
907 int created_files, created_dirs, created_symlinks, created_devices, created_specials;
908 int deleted_files, deleted_dirs, deleted_symlinks, deleted_devices, deleted_specials;
909 int xferred_files;
912 struct chmod_mode_struct;
914 struct flist_ndx_item {
915 struct flist_ndx_item *next;
916 int ndx;
919 typedef struct {
920 struct flist_ndx_item *head, *tail;
921 } flist_ndx_list;
923 #define EMPTY_ITEM_LIST {NULL, 0, 0}
925 typedef struct {
926 void *items;
927 size_t count;
928 size_t malloced;
929 } item_list;
931 #define EXPAND_ITEM_LIST(lp, type, incr) \
932 (type*)expand_item_list(lp, sizeof (type), #type, incr)
934 #define EMPTY_XBUF {NULL, 0, 0, 0}
936 typedef struct {
937 char *buf;
938 size_t pos; /* pos = read pos in the buf */
939 size_t len; /* len = chars following pos */
940 size_t size; /* size = total space in buf */
941 } xbuf;
943 #define INIT_XBUF(xb, str, ln, sz) (xb).buf = (str), (xb).len = (ln), (xb).size = (sz), (xb).pos = 0
944 #define INIT_XBUF_STRLEN(xb, str) (xb).buf = (str), (xb).len = strlen((xb).buf), (xb).size = (size_t)-1, (xb).pos = 0
945 /* This one is used to make an output xbuf based on a char[] buffer: */
946 #define INIT_CONST_XBUF(xb, bf) (xb).buf = (bf), (xb).size = sizeof (bf), (xb).len = (xb).pos = 0
948 #define ICB_EXPAND_OUT (1<<0)
949 #define ICB_INCLUDE_BAD (1<<1)
950 #define ICB_INCLUDE_INCOMPLETE (1<<2)
951 #define ICB_CIRCULAR_OUT (1<<3)
952 #define ICB_INIT (1<<4)
954 #define IOBUF_KEEP_BUFS 0
955 #define IOBUF_FREE_BUFS 1
957 #define MPLX_SWITCHING IOBUF_KEEP_BUFS
958 #define MPLX_ALL_DONE IOBUF_FREE_BUFS
959 #define MPLX_TO_BUFFERED 2
961 #define RL_EOL_NULLS (1<<0)
962 #define RL_DUMP_COMMENTS (1<<1)
963 #define RL_CONVERT (1<<2)
965 typedef struct {
966 char name_type;
967 char fname[1]; /* has variable size */
968 } relnamecache;
970 #include "byteorder.h"
971 #include "lib/mdigest.h"
972 #include "lib/wildmatch.h"
973 #include "lib/permstring.h"
974 #include "lib/addrinfo.h"
976 #ifndef __GNUC__
977 #define __attribute__(x)
978 #else
979 # if __GNUC__ <= 2
980 # define NORETURN
981 # endif
982 #endif
984 #define UNUSED(x) x __attribute__((__unused__))
985 #ifndef NORETURN
986 #define NORETURN __attribute__((__noreturn__))
987 #endif
989 typedef struct {
990 STRUCT_STAT st;
991 #ifdef SUPPORT_ACLS
992 struct rsync_acl *acc_acl; /* access ACL */
993 struct rsync_acl *def_acl; /* default ACL */
994 #endif
995 #ifdef SUPPORT_XATTRS
996 item_list *xattr;
997 #endif
998 } stat_x;
1000 #define ACL_READY(sx) ((sx).acc_acl != NULL)
1001 #define XATTR_READY(sx) ((sx).xattr != NULL)
1003 #include "proto.h"
1005 #ifndef SUPPORT_XATTRS
1006 #define x_stat(fn,fst,xst) do_stat(fn,fst)
1007 #define x_lstat(fn,fst,xst) do_lstat(fn,fst)
1008 #define x_fstat(fd,fst,xst) do_fstat(fd,fst)
1009 #endif
1011 /* We have replacement versions of these if they're missing. */
1012 #ifndef HAVE_ASPRINTF
1013 int asprintf(char **ptr, const char *format, ...);
1014 #endif
1016 #ifndef HAVE_VASPRINTF
1017 int vasprintf(char **ptr, const char *format, va_list ap);
1018 #endif
1020 #if !defined HAVE_VSNPRINTF || !defined HAVE_C99_VSNPRINTF
1021 #define vsnprintf rsync_vsnprintf
1022 int vsnprintf(char *str, size_t count, const char *fmt, va_list args);
1023 #endif
1025 #if !defined HAVE_SNPRINTF || !defined HAVE_C99_VSNPRINTF
1026 #define snprintf rsync_snprintf
1027 int snprintf(char *str, size_t count, const char *fmt,...);
1028 #endif
1031 #ifndef HAVE_STRERROR
1032 extern char *sys_errlist[];
1033 #define strerror(i) sys_errlist[i]
1034 #endif
1036 #ifndef HAVE_STRCHR
1037 # define strchr index
1038 # define strrchr rindex
1039 #endif
1041 #ifndef HAVE_ERRNO_DECL
1042 extern int errno;
1043 #endif
1045 #ifdef HAVE_READLINK
1046 #define SUPPORT_LINKS 1
1047 #if !defined NO_SYMLINK_XATTRS && !defined NO_SYMLINK_USER_XATTRS
1048 #define do_readlink(path, buf, bufsiz) readlink(path, buf, bufsiz)
1049 #endif
1050 #endif
1051 #ifdef HAVE_LINK
1052 #define SUPPORT_HARD_LINKS 1
1053 #endif
1055 #ifdef HAVE_SIGACTION
1056 #define SIGACTION(n,h) sigact.sa_handler=(h), sigaction((n),&sigact,NULL)
1057 #define signal(n,h) we_need_to_call_SIGACTION_not_signal(n,h)
1058 #else
1059 #define SIGACTION(n,h) signal(n,h)
1060 #endif
1062 #ifndef EWOULDBLOCK
1063 #define EWOULDBLOCK EAGAIN
1064 #endif
1066 #ifndef STDIN_FILENO
1067 #define STDIN_FILENO 0
1068 #endif
1070 #ifndef STDOUT_FILENO
1071 #define STDOUT_FILENO 1
1072 #endif
1074 #ifndef STDERR_FILENO
1075 #define STDERR_FILENO 2
1076 #endif
1078 #ifndef S_IRUSR
1079 #define S_IRUSR 0400
1080 #endif
1082 #ifndef S_IWUSR
1083 #define S_IWUSR 0200
1084 #endif
1086 #ifndef ACCESSPERMS
1087 #define ACCESSPERMS 0777
1088 #endif
1090 #ifndef S_ISVTX
1091 #define S_ISVTX 0
1092 #endif
1094 #define CHMOD_BITS (S_ISUID | S_ISGID | S_ISVTX | ACCESSPERMS)
1096 #ifndef _S_IFMT
1097 #define _S_IFMT 0170000
1098 #endif
1100 #ifndef _S_IFLNK
1101 #define _S_IFLNK 0120000
1102 #endif
1104 #ifndef S_ISLNK
1105 #define S_ISLNK(mode) (((mode) & (_S_IFMT)) == (_S_IFLNK))
1106 #endif
1108 #ifndef S_ISBLK
1109 #define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK))
1110 #endif
1112 #ifndef S_ISCHR
1113 #define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR))
1114 #endif
1116 #ifndef S_ISSOCK
1117 #ifdef _S_IFSOCK
1118 #define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK))
1119 #else
1120 #define S_ISSOCK(mode) (0)
1121 #endif
1122 #endif
1124 #ifndef S_ISFIFO
1125 #ifdef _S_IFIFO
1126 #define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO))
1127 #else
1128 #define S_ISFIFO(mode) (0)
1129 #endif
1130 #endif
1132 #ifndef S_ISDIR
1133 #define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR))
1134 #endif
1136 #ifndef S_ISREG
1137 #define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG))
1138 #endif
1140 /* work out what fcntl flag to use for non-blocking */
1141 #ifdef O_NONBLOCK
1142 # define NONBLOCK_FLAG O_NONBLOCK
1143 #elif defined SYSV
1144 # define NONBLOCK_FLAG O_NDELAY
1145 #else
1146 # define NONBLOCK_FLAG FNDELAY
1147 #endif
1149 #ifndef INADDR_LOOPBACK
1150 #define INADDR_LOOPBACK 0x7f000001
1151 #endif
1153 #ifndef INADDR_NONE
1154 #define INADDR_NONE 0xffffffff
1155 #endif
1157 #define IS_SPECIAL(mode) (S_ISSOCK(mode) || S_ISFIFO(mode))
1158 #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode))
1160 #define PRESERVE_FILE_TIMES (1<<0)
1161 #define PRESERVE_DIR_TIMES (1<<1)
1162 #define PRESERVE_LINK_TIMES (1<<2)
1164 /* Initial mask on permissions given to temporary files. Mask off setuid
1165 bits and group access because of potential race-condition security
1166 holes, and mask other access because mode 707 is bizarre */
1167 #define INITACCESSPERMS 0700
1169 /* handler for null strings in printf format */
1170 #define NS(s) ((s)?(s):"<NULL>")
1172 /* Convenient wrappers for malloc and realloc. Use them. */
1173 #define new(type) ((type*)malloc(sizeof (type)))
1174 #define new0(type) ((type*)calloc(1, sizeof (type)))
1175 #define new_array(type, num) ((type*)_new_array((num), sizeof (type), 0))
1176 #define new_array0(type, num) ((type*)_new_array((num), sizeof (type), 1))
1177 #define realloc_array(ptr, type, num) ((type*)_realloc_array((ptr), sizeof(type), (num)))
1179 /* use magic gcc attributes to catch format errors */
1180 void rprintf(enum logcode , const char *, ...)
1181 __attribute__((format (printf, 2, 3)))
1184 /* This is just like rprintf, but it also tries to print some
1185 * representation of the error code. Normally errcode = errno. */
1186 void rsyserr(enum logcode, int, const char *, ...)
1187 __attribute__((format (printf, 3, 4)))
1190 /* Make sure that the O_BINARY flag is defined. */
1191 #ifndef O_BINARY
1192 #define O_BINARY 0
1193 #endif
1195 #ifndef HAVE_STRLCPY
1196 size_t strlcpy(char *d, const char *s, size_t bufsize);
1197 #endif
1199 #ifndef HAVE_STRLCAT
1200 size_t strlcat(char *d, const char *s, size_t bufsize);
1201 #endif
1203 #ifndef WEXITSTATUS
1204 #define WEXITSTATUS(stat) ((int)(((stat)>>8)&0xFF))
1205 #endif
1206 #ifndef WIFEXITED
1207 #define WIFEXITED(stat) ((int)((stat)&0xFF) == 0)
1208 #endif
1210 #define exit_cleanup(code) _exit_cleanup(code, __FILE__, __LINE__)
1212 #ifdef HAVE_GETEUID
1213 #define MY_UID() geteuid()
1214 #else
1215 #define MY_UID() getuid()
1216 #endif
1218 #ifdef HAVE_GETEGID
1219 #define MY_GID() getegid()
1220 #else
1221 #define MY_GID() getgid()
1222 #endif
1224 #ifdef FORCE_FD_ZERO_MEMSET
1225 #undef FD_ZERO
1226 #define FD_ZERO(fdsetp) memset(fdsetp, 0, sizeof (fd_set))
1227 #endif
1229 extern short info_levels[], debug_levels[];
1231 #define INFO_GTE(flag, lvl) (info_levels[INFO_##flag] >= (lvl))
1232 #define INFO_EQ(flag, lvl) (info_levels[INFO_##flag] == (lvl))
1233 #define DEBUG_GTE(flag, lvl) (debug_levels[DEBUG_##flag] >= (lvl))
1234 #define DEBUG_EQ(flag, lvl) (debug_levels[DEBUG_##flag] == (lvl))
1236 #define INFO_BACKUP 0
1237 #define INFO_COPY (INFO_BACKUP+1)
1238 #define INFO_DEL (INFO_COPY+1)
1239 #define INFO_FLIST (INFO_DEL+1)
1240 #define INFO_MISC (INFO_FLIST+1)
1241 #define INFO_MOUNT (INFO_MISC+1)
1242 #define INFO_NAME (INFO_MOUNT+1)
1243 #define INFO_PROGRESS (INFO_NAME+1)
1244 #define INFO_REMOVE (INFO_PROGRESS+1)
1245 #define INFO_SKIP (INFO_REMOVE+1)
1246 #define INFO_STATS (INFO_SKIP+1)
1247 #define INFO_SYMSAFE (INFO_STATS+1)
1249 #define COUNT_INFO (INFO_SYMSAFE+1)
1251 #define DEBUG_ACL 0
1252 #define DEBUG_BACKUP (DEBUG_ACL+1)
1253 #define DEBUG_BIND (DEBUG_BACKUP+1)
1254 #define DEBUG_CHDIR (DEBUG_BIND+1)
1255 #define DEBUG_CONNECT (DEBUG_CHDIR+1)
1256 #define DEBUG_CMD (DEBUG_CONNECT+1)
1257 #define DEBUG_DEL (DEBUG_CMD+1)
1258 #define DEBUG_DELTASUM (DEBUG_DEL+1)
1259 #define DEBUG_DUP (DEBUG_DELTASUM+1)
1260 #define DEBUG_EXIT (DEBUG_DUP+1)
1261 #define DEBUG_FILTER (DEBUG_EXIT+1)
1262 #define DEBUG_FLIST (DEBUG_FILTER+1)
1263 #define DEBUG_FUZZY (DEBUG_FLIST+1)
1264 #define DEBUG_GENR (DEBUG_FUZZY+1)
1265 #define DEBUG_HASH (DEBUG_GENR+1)
1266 #define DEBUG_HLINK (DEBUG_HASH+1)
1267 #define DEBUG_ICONV (DEBUG_HLINK+1)
1268 #define DEBUG_IO (DEBUG_ICONV+1)
1269 #define DEBUG_OWN (DEBUG_IO+1)
1270 #define DEBUG_PROTO (DEBUG_OWN+1)
1271 #define DEBUG_RECV (DEBUG_PROTO+1)
1272 #define DEBUG_SEND (DEBUG_RECV+1)
1273 #define DEBUG_TIME (DEBUG_SEND+1)
1275 #define COUNT_DEBUG (DEBUG_TIME+1)
1277 #ifndef HAVE_INET_NTOP
1278 const char *inet_ntop(int af, const void *src, char *dst, size_t size);
1279 #endif
1281 #ifndef HAVE_INET_PTON
1282 int inet_pton(int af, const char *src, void *dst);
1283 #endif
1285 #ifdef MAINTAINER_MODE
1286 const char *get_panic_action(void);
1287 #endif