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508424d139
and "extern" in function prototypes is a style bug. The type mismatch broke chflags(1) on i386's with 64-bit longs and may have broken it on alphas.
186 lines
4.7 KiB
C
186 lines
4.7 KiB
C
/*
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* Copyright (c) 1992, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static const char copyright[] =
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"@(#) Copyright (c) 1992, 1993, 1994\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)chflags.c 8.5 (Berkeley) 4/1/94";
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#endif
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static const char rcsid[] =
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"$FreeBSD$";
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <err.h>
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#include <errno.h>
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#include <fts.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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int setflags __P((char **, u_long *, u_long *));
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void usage __P((void));
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int
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main(argc, argv)
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int argc;
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char *argv[];
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{
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FTS *ftsp;
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FTSENT *p;
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u_long clear, set;
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long val;
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int Hflag, Lflag, Pflag, Rflag, ch, fts_options, oct, rval;
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char *flags, *ep;
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Hflag = Lflag = Pflag = Rflag = 0;
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while ((ch = getopt(argc, argv, "HLPR")) != -1)
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switch (ch) {
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case 'H':
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Hflag = 1;
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Lflag = Pflag = 0;
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break;
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case 'L':
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Lflag = 1;
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Hflag = Pflag = 0;
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break;
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case 'P':
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Pflag = 1;
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Hflag = Lflag = 0;
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break;
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case 'R':
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Rflag = 1;
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break;
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case '?':
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default:
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usage();
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}
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argv += optind;
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argc -= optind;
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if (argc < 2)
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usage();
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fts_options = FTS_PHYSICAL;
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if (Rflag) {
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if (Hflag)
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fts_options |= FTS_COMFOLLOW;
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if (Lflag) {
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fts_options &= ~FTS_PHYSICAL;
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fts_options |= FTS_LOGICAL;
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}
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}
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flags = *argv;
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if (*flags >= '0' && *flags <= '7') {
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errno = 0;
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val = strtol(flags, &ep, 8);
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if (val < 0)
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errno = ERANGE;
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if (errno)
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err(1, "invalid flags: %s", flags);
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if (*ep)
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errx(1, "invalid flags: %s", flags);
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set = val;
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oct = 1;
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} else {
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if (setflags(&flags, &set, &clear))
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errx(1, "invalid flag: %s", flags);
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clear = ~clear;
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oct = 0;
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}
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if ((ftsp = fts_open(++argv, fts_options , 0)) == NULL)
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err(1, NULL);
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for (rval = 0; (p = fts_read(ftsp)) != NULL;) {
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switch (p->fts_info) {
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case FTS_D:
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if (Rflag) /* Change it at FTS_DP. */
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continue;
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fts_set(ftsp, p, FTS_SKIP);
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break;
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case FTS_DNR: /* Warn, chflag, continue. */
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warnx("%s: %s", p->fts_path, strerror(p->fts_errno));
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rval = 1;
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break;
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case FTS_ERR: /* Warn, continue. */
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case FTS_NS:
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warnx("%s: %s", p->fts_path, strerror(p->fts_errno));
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rval = 1;
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continue;
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case FTS_SL: /* Ignore. */
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case FTS_SLNONE:
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/*
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* The only symlinks that end up here are ones that
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* don't point to anything and ones that we found
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* doing a physical walk.
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*/
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continue;
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default:
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break;
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}
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if (oct) {
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if (!chflags(p->fts_accpath, set))
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continue;
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} else {
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p->fts_statp->st_flags |= set;
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p->fts_statp->st_flags &= clear;
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if (!chflags(p->fts_accpath, p->fts_statp->st_flags))
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continue;
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}
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warn("%s", p->fts_path);
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rval = 1;
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}
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if (errno)
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err(1, "fts_read");
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exit(rval);
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}
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void
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usage()
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{
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(void)fprintf(stderr,
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"usage: chflags [-R [-H | -L | -P]] flags file ...\n");
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exit(1);
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}
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