1*86d7f5d3SJohn Marino /* $OpenBSD: ftw.c,v 1.4 2004/07/07 16:05:23 millert Exp $ */
2*86d7f5d3SJohn Marino
3*86d7f5d3SJohn Marino /*
4*86d7f5d3SJohn Marino * Copyright (c) 2003, 2004 Todd C. Miller <Todd.Miller@courtesan.com>
5*86d7f5d3SJohn Marino *
6*86d7f5d3SJohn Marino * Permission to use, copy, modify, and distribute this software for any
7*86d7f5d3SJohn Marino * purpose with or without fee is hereby granted, provided that the above
8*86d7f5d3SJohn Marino * copyright notice and this permission notice appear in all copies.
9*86d7f5d3SJohn Marino *
10*86d7f5d3SJohn Marino * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11*86d7f5d3SJohn Marino * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12*86d7f5d3SJohn Marino * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13*86d7f5d3SJohn Marino * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14*86d7f5d3SJohn Marino * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15*86d7f5d3SJohn Marino * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16*86d7f5d3SJohn Marino * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17*86d7f5d3SJohn Marino *
18*86d7f5d3SJohn Marino * Sponsored in part by the Defense Advanced Research Projects
19*86d7f5d3SJohn Marino * Agency (DARPA) and Air Force Research Laboratory, Air Force
20*86d7f5d3SJohn Marino * Materiel Command, USAF, under agreement number F39502-99-1-0512.
21*86d7f5d3SJohn Marino *
22*86d7f5d3SJohn Marino * $FreeBSD: src/lib/libc/gen/ftw.c,v 1.4 2004/08/24 13:00:55 tjr Exp $
23*86d7f5d3SJohn Marino */
24*86d7f5d3SJohn Marino
25*86d7f5d3SJohn Marino #include <sys/types.h>
26*86d7f5d3SJohn Marino #include <sys/stat.h>
27*86d7f5d3SJohn Marino #include <errno.h>
28*86d7f5d3SJohn Marino #include <fts.h>
29*86d7f5d3SJohn Marino #include <ftw.h>
30*86d7f5d3SJohn Marino #include <limits.h>
31*86d7f5d3SJohn Marino
32*86d7f5d3SJohn Marino int
ftw(const char * path,int (* fn)(const char *,const struct stat *,int),int nfds)33*86d7f5d3SJohn Marino ftw(const char *path, int (*fn)(const char *, const struct stat *, int),
34*86d7f5d3SJohn Marino int nfds)
35*86d7f5d3SJohn Marino {
36*86d7f5d3SJohn Marino char * const paths[2] = { (char *)path, NULL };
37*86d7f5d3SJohn Marino FTSENT *cur;
38*86d7f5d3SJohn Marino FTS *ftsp;
39*86d7f5d3SJohn Marino int error = 0, fnflag, sverrno;
40*86d7f5d3SJohn Marino
41*86d7f5d3SJohn Marino /* XXX - nfds is currently unused */
42*86d7f5d3SJohn Marino if (nfds < 1 || nfds > OPEN_MAX) {
43*86d7f5d3SJohn Marino errno = EINVAL;
44*86d7f5d3SJohn Marino return (-1);
45*86d7f5d3SJohn Marino }
46*86d7f5d3SJohn Marino
47*86d7f5d3SJohn Marino ftsp = fts_open(paths, FTS_LOGICAL | FTS_COMFOLLOW | FTS_NOCHDIR, NULL);
48*86d7f5d3SJohn Marino if (ftsp == NULL)
49*86d7f5d3SJohn Marino return (-1);
50*86d7f5d3SJohn Marino while ((cur = fts_read(ftsp)) != NULL) {
51*86d7f5d3SJohn Marino switch (cur->fts_info) {
52*86d7f5d3SJohn Marino case FTS_D:
53*86d7f5d3SJohn Marino fnflag = FTW_D;
54*86d7f5d3SJohn Marino break;
55*86d7f5d3SJohn Marino case FTS_DNR:
56*86d7f5d3SJohn Marino fnflag = FTW_DNR;
57*86d7f5d3SJohn Marino break;
58*86d7f5d3SJohn Marino case FTS_DP:
59*86d7f5d3SJohn Marino /* we only visit in preorder */
60*86d7f5d3SJohn Marino continue;
61*86d7f5d3SJohn Marino case FTS_F:
62*86d7f5d3SJohn Marino case FTS_DEFAULT:
63*86d7f5d3SJohn Marino fnflag = FTW_F;
64*86d7f5d3SJohn Marino break;
65*86d7f5d3SJohn Marino case FTS_NS:
66*86d7f5d3SJohn Marino case FTS_NSOK:
67*86d7f5d3SJohn Marino case FTS_SLNONE:
68*86d7f5d3SJohn Marino fnflag = FTW_NS;
69*86d7f5d3SJohn Marino break;
70*86d7f5d3SJohn Marino case FTS_SL:
71*86d7f5d3SJohn Marino fnflag = FTW_SL;
72*86d7f5d3SJohn Marino break;
73*86d7f5d3SJohn Marino case FTS_DC:
74*86d7f5d3SJohn Marino errno = ELOOP;
75*86d7f5d3SJohn Marino /* FALLTHROUGH */
76*86d7f5d3SJohn Marino default:
77*86d7f5d3SJohn Marino error = -1;
78*86d7f5d3SJohn Marino goto done;
79*86d7f5d3SJohn Marino }
80*86d7f5d3SJohn Marino error = fn(cur->fts_path, cur->fts_statp, fnflag);
81*86d7f5d3SJohn Marino if (error != 0)
82*86d7f5d3SJohn Marino break;
83*86d7f5d3SJohn Marino }
84*86d7f5d3SJohn Marino done:
85*86d7f5d3SJohn Marino sverrno = errno;
86*86d7f5d3SJohn Marino if (fts_close(ftsp) != 0 && error == 0)
87*86d7f5d3SJohn Marino error = -1;
88*86d7f5d3SJohn Marino else
89*86d7f5d3SJohn Marino errno = sverrno;
90*86d7f5d3SJohn Marino return (error);
91*86d7f5d3SJohn Marino }
92