]>
git.wh0rd.org - dump.git/blob - dump/main.c
2 * Ported to Linux's Second Extended File System as part of the
3 * dump and restore backup suit
4 * Remy Card <card@Linux.EU.Org>, 1994-1997
5 * Stelian Pop <pop@noos.fr>, 1999-2000
6 * Stelian Pop <pop@noos.fr> - AlcĂ´ve <www.alcove.fr>, 2000
10 * Copyright (c) 1980, 1991, 1993, 1994
11 * The Regents of the University of California. All rights reserved.
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. All advertising materials mentioning features or use of this software
22 * must display the following acknowledgement:
23 * This product includes software developed by the University of
24 * California, Berkeley and its contributors.
25 * 4. Neither the name of the University nor the names of its contributors
26 * may be used to endorse or promote products derived from this software
27 * without specific prior written permission.
29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
43 static const char rcsid
[] =
44 "$Id: main.c,v 1.38 2001/03/20 20:15:43 stelian Exp $";
49 #include <compaterr.h>
58 #include <sys/param.h>
61 #include <linux/ext2_fs.h>
62 #include <ext2fs/ext2fs.h>
65 #include <bsdcompat.h>
67 #include <sys/vnode.h>
69 #include <ufs/inode.h>
72 #include <ufs/ufs/dinode.h>
73 #include <ufs/ffs/fs.h>
76 #include <protocols/dumprestore.h>
79 #include "pathnames.h"
83 #define SBOFF (SBLOCK * DEV_BSIZE)
86 int notify
= 0; /* notify operator flag */
87 int blockswritten
= 0; /* number of blocks written on current tape */
88 int tapeno
= 0; /* current tape number */
89 int density
= 0; /* density in bytes/0.1" " <- this is for hilit19 */
90 int ntrec
= NTREC
; /* # tape blocks in each tape record */
91 int cartridge
= 0; /* Assume non-cartridge tape */
92 int dokerberos
= 0; /* Use Kerberos authentication */
93 long dev_bsize
= 1; /* recalculated below */
94 long blocksperfile
; /* output blocks per file */
95 char *host
= NULL
; /* remote host (if any) */
96 int sizest
= 0; /* return size estimate only */
97 int compressed
= 0; /* use zlib to compress the output, compress level 1-9 */
98 long long bytes_written
= 0; /* total bytes written */
99 long uncomprblks
= 0;/* uncompressed blocks written */
105 int maxbsize
= 64*1024; /* XXX MAXBSIZE from sys/param.h */
106 static long numarg
__P((const char *, long, long));
107 static void obsolete
__P((int *, char **[]));
108 static void usage
__P((void));
110 dump_ino_t iexclude_list
[IEXCLUDE_MAXNUM
];/* the inode exclude list */
111 int iexclude_num
= 0; /* number of elements in the list */
114 main(int argc
, char *argv
[])
116 register dump_ino_t ino
;
118 register struct dinode
*dp
;
119 register struct fstab
*dt
;
122 int i
, anydirskipped
, bflag
= 0, Tflag
= 0, honorlevel
= 1;
126 char directory
[MAXPATHLEN
];
127 char pathname
[MAXPATHLEN
];
132 spcl
.c_label
[0] = '\0';
133 spcl
.c_date
= time(NULL
);
136 __progname
= argv
[0];
138 initialize_ext2_error_table();
141 tsize
= 0; /* Default later, based on 'c' option for cart tapes */
144 if ((tapeprefix
= getenv("TAPE")) == NULL
)
145 tapeprefix
= _PATH_DEFTAPE
;
146 dumpdates
= _PATH_DUMPDATES
;
147 if (TP_BSIZE
/ DEV_BSIZE
== 0 || TP_BSIZE
% DEV_BSIZE
!= 0)
148 quit("TP_BSIZE must be a multiple of DEV_BSIZE\n");
154 obsolete(&argc
, &argv
);
156 while ((ch
= getopt(argc
, argv
,
157 "0123456789aB:b:cd:e:f:F:h:L:"
169 case '0': case '1': case '2': case '3': case '4':
170 case '5': case '6': case '7': case '8': case '9':
174 case 'a': /* `auto-size', Write to EOM. */
178 case 'B': /* blocks per output file */
180 blocksperfile
= numarg("number of blocks per file",
184 case 'b': /* blocks per tape write */
185 ntrec
= numarg("number of blocks per write",
187 if (ntrec
> maxbsize
/1024) {
188 msg("Please choose a blocksize <= %dKB\n",
195 case 'c': /* Tape is cart. not 9-track */
200 case 'd': /* density, in bits per inch */
202 density
= numarg("density", 10L, 327670L) / 10;
203 if (density
>= 625 && !bflag
)
204 ntrec
= HIGHDENSITYTREC
;
208 case 'e': /* exclude an inode */
209 if (iexclude_num
== IEXCLUDE_MAXNUM
) {
210 (void)fprintf(stderr
, "Too many -e options\n");
213 iexclude_list
[iexclude_num
++] = numarg("inode to exclude",0L,0L);
214 if (iexclude_list
[iexclude_num
-1] <= ROOTINO
) {
215 (void)fprintf(stderr
, "Cannot exclude inode %ld\n", (long)iexclude_list
[iexclude_num
-1]);
218 msg("Added %d to exclude list\n",
219 iexclude_list
[iexclude_num
-1]);
222 case 'f': /* output file */
226 case 'F': /* end of tape script */
231 honorlevel
= numarg("honor level", 0L, 10L);
242 * Note that although there are LBLSIZE characters,
243 * the last must be '\0', so the limit on strlen()
244 * is really LBLSIZE-1.
246 strncpy(spcl
.c_label
, optarg
, LBLSIZE
);
247 spcl
.c_label
[LBLSIZE
-1] = '\0';
248 if (strlen(optarg
) > LBLSIZE
-1) {
250 "WARNING Label `%s' is larger than limit of %d characters.\n",
252 msg("WARNING: Using truncated label `%s'.\n",
257 case 'M': /* multi-volume flag */
261 case 'n': /* notify operators */
265 case 's': /* tape size, feet */
267 tsize
= numarg("tape size", 1L, 0L) * 12 * 10;
271 sizest
= 1; /* return size estimate only */
274 case 'T': /* time of last dump */
275 spcl
.c_ddate
= unctime(optarg
);
276 if (spcl
.c_ddate
< 0) {
277 (void)fprintf(stderr
, "bad time \"%s\"\n",
285 case 'u': /* update dumpdates */
289 case 'W': /* what to do */
292 exit(X_FINOK
); /* do nothing else */
297 compressed
= numarg("compress level", 1L, 9L);
299 #endif /* HAVE_ZLIB */
308 (void)fprintf(stderr
, "Must specify disk or filesystem\n");
312 if (strlen(diskparam
) >= MAXPATHLEN
) {
313 (void)fprintf(stderr
, "Disk or filesystem name too long: %s\n",
319 (void)fprintf(stderr
, "Unknown arguments to dump:");
321 (void)fprintf(stderr
, " %s", *argv
++);
322 (void)fprintf(stderr
, "\n");
325 if (Tflag
&& uflag
) {
326 (void)fprintf(stderr
,
327 "You cannot use the T and u flags together.\n");
330 if (strcmp(tapeprefix
, "-") == 0) {
332 tapeprefix
= "standard output";
336 blocksperfile
= blocksperfile
/ ntrec
* ntrec
; /* round down */
337 else if (!unlimited
) {
339 * Determine how to default tape size and density
342 * 9-track 1600 bpi (160 bytes/.1") 2300 ft.
343 * 9-track 6250 bpi (625 bytes/.1") 2300 ft.
344 * cartridge 8000 bpi (100 bytes/.1") 1700 ft.
346 * hilit19 hits again: "
349 density
= cartridge
? 100 : 160;
351 tsize
= cartridge
? 1700L*120L : 2300L*120L;
354 if (strchr(tapeprefix
, ':')) {
356 tapeprefix
= strchr(host
, ':');
357 *tapeprefix
++ = '\0';
359 if (index(tapeprefix
, '\n')) {
360 (void)fprintf(stderr
, "invalid characters in tape\n");
363 if (rmthost(host
) == 0)
366 (void)fprintf(stderr
, "remote dump not enabled\n");
370 (void)setuid(getuid()); /* rmthost() is the only reason to be setuid */
372 if (signal(SIGHUP
, SIG_IGN
) != SIG_IGN
)
374 if (signal(SIGTRAP
, SIG_IGN
) != SIG_IGN
)
375 signal(SIGTRAP
, sig
);
376 if (signal(SIGFPE
, SIG_IGN
) != SIG_IGN
)
378 if (signal(SIGBUS
, SIG_IGN
) != SIG_IGN
)
380 if (signal(SIGSEGV
, SIG_IGN
) != SIG_IGN
)
381 signal(SIGSEGV
, sig
);
382 if (signal(SIGTERM
, SIG_IGN
) != SIG_IGN
)
383 signal(SIGTERM
, sig
);
384 if (signal(SIGINT
, interrupt
) == SIG_IGN
)
385 signal(SIGINT
, SIG_IGN
);
386 set_operators(); /* /etc/group snarfed */
387 getfstab(); /* /etc/fstab snarfed */
390 * disk may end in / and this can confuse
393 i
= strlen(diskparam
) - 1;
394 if (i
> 1 && diskparam
[i
] == '/')
397 disk
= get_device_name(diskparam
);
398 if (!disk
) { /* null means the disk is some form
399 of LABEL= or UID= but it was not
401 msg("Cannot find a disk having %s\n", diskparam
);
405 * disk can be either the full special file name,
406 * the suffix of the special file name,
407 * the special name missing the leading '/',
408 * the file system name with or without the leading '/'.
410 if ((dt
= fstabsearch(disk
)) != NULL
) {
411 disk
= rawname(dt
->fs_spec
);
412 (void)strncpy(spcl
.c_dev
, dt
->fs_spec
, NAMELEN
);
413 (void)strncpy(spcl
.c_filesys
, dt
->fs_file
, NAMELEN
);
417 if (realpath(disk
, pathname
) == NULL
)
419 strcpy(pathname
, disk
);
421 * The argument could be now a mountpoint of
422 * a filesystem specified in fstab. Search for it.
424 if ((dt
= fstabsearch(pathname
)) != NULL
) {
425 disk
= rawname(dt
->fs_spec
);
426 (void)strncpy(spcl
.c_dev
, dt
->fs_spec
, NAMELEN
);
427 (void)strncpy(spcl
.c_filesys
, dt
->fs_file
, NAMELEN
);
430 * The argument was not found in the fstab
431 * assume that this is a subtree and search for it
433 dt
= fstabsearchdir(pathname
, directory
);
435 char name
[MAXPATHLEN
];
436 (void)strncpy(spcl
.c_dev
, dt
->fs_spec
, NAMELEN
);
437 (void)snprintf(name
, sizeof(name
), "%s (dir %s)",
438 dt
->fs_file
, directory
);
439 (void)strncpy(spcl
.c_filesys
, name
, NAMELEN
);
440 disk
= rawname(dt
->fs_spec
);
442 (void)strncpy(spcl
.c_dev
, disk
, NAMELEN
);
443 (void)strncpy(spcl
.c_filesys
, "an unlisted file system",
448 (void)strncpy(spcl
.c_dev
, disk
, NAMELEN
);
449 (void)strncpy(spcl
.c_filesys
, "an unlisted file system",
454 if (directory
[0] != 0) {
456 (void)fprintf(stderr
, "Only level 0 dumps are allowed on a subdirectory\n");
460 (void)fprintf(stderr
, "You can't update the dumpdates file when dumping a subdirectory\n");
464 spcl
.c_dev
[NAMELEN
-1] = '\0';
465 spcl
.c_filesys
[NAMELEN
-1] = '\0';
466 (void)gethostname(spcl
.c_host
, NAMELEN
);
467 spcl
.c_host
[NAMELEN
-1] = '\0';
468 spcl
.c_level
= level
- '0';
469 spcl
.c_type
= TS_TAPE
;
471 getdumptime(uflag
); /* dumpdates snarfed */
473 if (spcl
.c_ddate
== 0 && spcl
.c_level
) {
474 msg("WARNING: There is no inferior level dump on this filesystem\n");
475 msg("WARNING: Assuming a level 0 dump by default\n");
481 snprintf(tape
, MAXPATHLEN
, "%s%03d", tapeprefix
, tapeno
+ 1);
483 strncpy(tape
, tapeprefix
, MAXPATHLEN
);
484 tape
[MAXPATHLEN
- 1] = '\0';
488 msg("Date of this level %c dump: %s", level
,
489 ctime4(&spcl
.c_date
));
491 msg("Date of last level %c dump: %s", lastlevel
,
492 ctime4(&spcl
.c_ddate
));
493 msg("Dumping %s (%s) ", disk
, spcl
.c_filesys
);
495 msgtail("to %s on host %s\n", tape
, host
);
497 msgtail("to %s\n", tape
);
498 } /* end of size estimate */
501 retval
= dump_fs_open(disk
, &fs
);
503 com_err(disk
, retval
, "while opening filesystem");
504 if (retval
== EXT2_ET_REV_TOO_HIGH
)
505 printf ("Get a newer version of dump!\n");
508 if (fs
->super
->s_rev_level
> DUMP_CURRENT_REV
) {
509 com_err(disk
, retval
, "while opening filesystem");
510 printf ("Get a newer version of dump!\n");
513 if ((diskfd
= open(disk
, O_RDONLY
)) < 0) {
514 msg("Cannot open %s\n", disk
);
517 /* if no user label specified, use ext2 filesystem label if available */
518 if (spcl
.c_label
[0] == '\0') {
520 if ( (lbl
= get_device_label(disk
)) != NULL
) {
521 strncpy(spcl
.c_label
, lbl
, LBLSIZE
);
522 spcl
.c_label
[LBLSIZE
-1] = '\0';
525 strcpy(spcl
.c_label
, "none"); /* safe strcpy. */
528 dev_bsize
= DEV_BSIZE
;
529 dev_bshift
= ffs(dev_bsize
) - 1;
530 if (dev_bsize
!= (1 << dev_bshift
))
531 quit("dev_bsize (%d) is not a power of 2", dev_bsize
);
532 tp_bshift
= ffs(TP_BSIZE
) - 1;
533 if (TP_BSIZE
!= (1 << tp_bshift
))
534 quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE
);
535 maxino
= fs
->super
->s_inodes_count
;
537 spcl
.c_flags
|= DR_NEWINODEFMT
;
539 #else /* __linux __*/
540 if ((diskfd
= open(disk
, O_RDONLY
)) < 0) {
541 msg("Cannot open %s\n", disk
);
545 sblock
= (struct fs
*)sblock_buf
;
546 bread(SBOFF
, (char *) sblock
, SBSIZE
);
547 if (sblock
->fs_magic
!= FS_MAGIC
)
548 quit("bad sblock magic number\n");
549 dev_bsize
= sblock
->fs_fsize
/ fsbtodb(sblock
, 1);
550 dev_bshift
= ffs(dev_bsize
) - 1;
551 if (dev_bsize
!= (1 << dev_bshift
))
552 quit("dev_bsize (%d) is not a power of 2", dev_bsize
);
553 tp_bshift
= ffs(TP_BSIZE
) - 1;
554 if (TP_BSIZE
!= (1 << tp_bshift
))
555 quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE
);
557 if (sblock
->fs_inodefmt
>= FS_44INODEFMT
)
558 spcl
.c_flags
|= DR_NEWINODEFMT
;
560 maxino
= sblock
->fs_ipg
* sblock
->fs_ncg
;
561 #endif /* __linux__ */
562 mapsize
= roundup(howmany(maxino
, NBBY
), TP_BSIZE
);
563 usedinomap
= (char *)calloc((unsigned) mapsize
, sizeof(char));
564 dumpdirmap
= (char *)calloc((unsigned) mapsize
, sizeof(char));
565 dumpinomap
= (char *)calloc((unsigned) mapsize
, sizeof(char));
566 if (usedinomap
== NULL
|| dumpdirmap
== NULL
|| dumpinomap
== NULL
)
567 quit("out of memory allocating inode maps\n");
568 tapesize
= 2 * (howmany(mapsize
* sizeof(char), TP_BSIZE
) + 1);
570 nonodump
= spcl
.c_level
< honorlevel
;
572 msg("Label: %s\n", spcl
.c_label
);
575 msg("Compressing output at compression level %d\n", compressed
);
578 (void)signal(SIGINFO
, statussig
);
582 msg("mapping (Pass I) [regular files]\n");
584 if (directory
[0] == 0)
585 anydirskipped
= mapfiles(maxino
, &tapesize
);
587 anydirskipped
= mapfilesfromdir(maxino
, &tapesize
, directory
);
589 anydirskipped
= mapfiles(maxino
, &tapesize
);
593 msg("mapping (Pass II) [directories]\n");
594 while (anydirskipped
) {
595 anydirskipped
= mapdirs(maxino
, &tapesize
);
599 printf("%.0f\n", ((double)tapesize
+ 11) * TP_BSIZE
);
601 } /* stop here for size estimate */
603 if (pipeout
|| unlimited
) {
604 tapesize
+= 11; /* 10 trailer blocks + 1 map header */
605 msg("estimated %ld tape blocks.\n", tapesize
);
610 fetapes
= (double) tapesize
/ blocksperfile
;
611 else if (cartridge
) {
612 /* Estimate number of tapes, assuming streaming stops at
613 the end of each block written, and not in mid-block.
614 Assume no erroneous blocks; this can be compensated
615 for with an artificially low tape size. */
617 ( (double) tapesize
/* blocks */
618 * TP_BSIZE
/* bytes/block */
619 * (1.0/density
) /* 0.1" / byte " */
621 (double) tapesize
/* blocks */
622 * (1.0/ntrec
) /* streaming-stops per block */
623 * 15.48 /* 0.1" / streaming-stop " */
624 ) * (1.0 / tsize
); /* tape / 0.1" " */
626 /* Estimate number of tapes, for old fashioned 9-track
628 int tenthsperirg
= (density
== 625) ? 3 : 7;
630 ( (double) tapesize
/* blocks */
631 * TP_BSIZE
/* bytes / block */
632 * (1.0/density
) /* 0.1" / byte " */
634 (double) tapesize
/* blocks */
635 * (1.0/ntrec
) /* IRG's / block */
636 * tenthsperirg
/* 0.1" / IRG " */
637 ) * (1.0 / tsize
); /* tape / 0.1" " */
639 etapes
= fetapes
; /* truncating assignment */
641 /* count the dumped inodes map on each additional tape */
642 tapesize
+= (etapes
- 1) *
643 (howmany(mapsize
* sizeof(char), TP_BSIZE
) + 1);
644 tapesize
+= etapes
+ 10; /* headers + 10 trailer blks */
645 msg("estimated %ld tape blocks on %3.2f tape(s).\n",
650 * Allocate tape buffer.
654 "can't allocate tape buffers - try a smaller blocking factor.\n");
657 tstart_writing
= time(NULL
);
658 dumpmap(usedinomap
, TS_CLRI
, maxino
- 1);
660 msg("dumping (Pass III) [directories]\n");
661 dirty
= 0; /* XXX just to get gcc to shut up */
662 for (map
= dumpdirmap
, ino
= 1; ino
< maxino
; ino
++) {
663 if (((ino
- 1) % NBBY
) == 0) /* map is offset by 1 */
667 if ((dirty
& 1) == 0)
670 * Skip directory inodes deleted and maybe reallocated
673 if ((dp
->di_mode
& IFMT
) != IFDIR
)
677 * Skip directory inodes deleted and not yes reallocated...
679 if (dp
->di_nlink
== 0 || dp
->di_dtime
!= 0)
681 (void)dumpdirino(dp
, ino
);
683 (void)dumpino(dp
, ino
);
687 msg("dumping (Pass IV) [regular files]\n");
688 for (map
= dumpinomap
, ino
= 1; ino
< maxino
; ino
++) {
689 if (((ino
- 1) % NBBY
) == 0) /* map is offset by 1 */
693 if ((dirty
& 1) == 0)
696 * Skip inodes deleted and reallocated as directories.
699 if ((dp
->di_mode
& IFMT
) == IFDIR
)
703 * No need to check here for deleted and not yes reallocated inodes
704 * since this is done in dumpino().
707 (void)dumpino(dp
, ino
);
710 tend_writing
= time(NULL
);
711 spcl
.c_type
= TS_END
;
712 for (i
= 0; i
< ntrec
; i
++)
713 writeheader(maxino
- 1);
718 msg("%ld tape blocks (%.2fMB)\n", spcl
.c_tapea
,
719 ((double)spcl
.c_tapea
* TP_BSIZE
/ 1048576));
721 msg("%ld tape blocks (%.2fMB) on %d volume(s)\n",
723 ((double)spcl
.c_tapea
* TP_BSIZE
/ 1048576),
726 /* report dump performance, avoid division through zero */
727 if (tend_writing
- tstart_writing
== 0)
728 msg("finished in less than a second\n");
730 msg("finished in %d seconds, throughput %d KBytes/sec\n",
731 tend_writing
- tstart_writing
,
732 spcl
.c_tapea
/ (tend_writing
- tstart_writing
));
735 msg("Date of this level %c dump: %s", level
,
736 spcl
.c_date
== 0 ? "the epoch\n" : ctime4(&spcl
.c_date
));
737 msg("Date this dump completed: %s", ctime(&tnow
));
739 msg("Average transfer rate: %ld KB/s\n", xferrate
/ tapeno
);
741 long tapekb
= bytes_written
/ 1024;
742 double rate
= .0005 + (double) spcl
.c_tapea
/ tapekb
;
743 msg("Wrote %ldKB uncompressed, %ldKB compressed,"
745 spcl
.c_tapea
, tapekb
, rate
);
748 broadcast("DUMP IS DONE!\7\7\n");
749 msg("DUMP IS DONE\n");
752 return 0; /* gcc - shut up */
758 char white
[MAXPATHLEN
];
759 const char *ext2ver
, *ext2date
;
761 memset(white
, ' ', MAXPATHLEN
);
762 white
[MIN(strlen(__progname
), MAXPATHLEN
- 1)] = '\0';
765 ext2fs_get_library_version(&ext2ver
, &ext2date
);
766 fprintf(stderr
, "%s %s (using libext2fs %s of %s)\n",
767 __progname
, _DUMP_VERSION
, ext2ver
, ext2date
);
769 fprintf(stderr
, "%s %s\n", __progname
, _DUMP_VERSION
);
772 "usage:\t%s [-0123456789ac"
780 "] [-B records] [-b blocksize]\n"
781 "\t%s [-d density] [-e inode#] [-f file] [-h level] [-s feet]\n"
782 "\t%s [-T date] [-z zlevel] filesystem\n"
784 __progname
, white
, white
, __progname
);
789 * Pick up a numeric argument. It must be nonnegative and in the given
790 * range (except that a vmax of 0 means unlimited).
793 numarg(const char *meaning
, long vmin
, long vmax
)
798 val
= strtol(optarg
, &p
, 10);
800 errx(X_STARTUP
, "illegal %s -- %s", meaning
, optarg
);
801 if (val
< vmin
|| (vmax
&& val
> vmax
))
802 errx(X_STARTUP
, "%s must be between %ld and %ld", meaning
, vmin
, vmax
);
817 quit("Signal on pipe: cannot recover\n");
818 msg("Rewriting attempted as response to unknown signal.\n");
819 (void)fflush(stderr
);
820 (void)fflush(stdout
);
825 msg("SIGSEGV: ABORTING!\n");
826 (void)signal(SIGSEGV
, SIG_DFL
);
827 (void)kill(0, SIGSEGV
);
833 rawname(const char *cp
)
837 #else /* __linux__ */
838 static char rawbuf
[MAXPATHLEN
];
839 char *dp
= strrchr(cp
, '/');
843 (void)strncpy(rawbuf
, cp
, min(dp
-cp
, MAXPATHLEN
- 1));
844 rawbuf
[min(dp
-cp
, MAXPATHLEN
-1)] = '\0';
845 (void)strncat(rawbuf
, "/r", MAXPATHLEN
- 1 - strlen(rawbuf
));
846 (void)strncat(rawbuf
, dp
+ 1, MAXPATHLEN
- 1 - strlen(rawbuf
));
848 #endif /* __linux__ */
853 * Change set of key letters and ordered arguments into something
854 * getopt(3) will like.
857 obsolete(int *argcp
, char **argvp
[])
860 char *ap
, **argv
, *flagsp
=NULL
, **nargv
, *p
=NULL
;
866 /* Return if no arguments or first argument has leading dash. */
868 if (argc
== 1 || *ap
== '-')
871 /* Allocate space for new arguments. */
872 if ((*argvp
= nargv
= malloc((argc
+ 1) * sizeof(char *))) == NULL
||
873 (p
= flagsp
= malloc(strlen(ap
) + 2)) == NULL
)
874 err(X_STARTUP
, "malloc new args");
879 for (flags
= 0; *ap
; ++ap
) {
892 warnx("option requires an argument -- %c", *ap
);
895 if ((nargv
[0] = malloc(strlen(*argv
) + 2 + 1)) == NULL
)
896 err(X_STARTUP
, "malloc arg");
899 (void)strcpy(&nargv
[0][2], *argv
);
913 /* Terminate flags. */
919 /* Copy remaining arguments. */
920 while ((*nargv
++ = *argv
++));
922 /* Update argument count. */
923 *argcp
= nargv
- *argvp
- 1;