xref: /freebsd/lib/libc/gen/ftw-compat11.c (revision 2008043f386721d58158e37e0d7e50df8095942d)
1 /*	$OpenBSD: ftw.c,v 1.5 2005/08/08 08:05:34 espie Exp $	*/
2 
3 /*
4  * Copyright (c) 2003, 2004 Todd C. Miller <Todd.Miller@courtesan.com>
5  *
6  * Permission to use, copy, modify, and distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  *
18  * Sponsored in part by the Defense Advanced Research Projects
19  * Agency (DARPA) and Air Force Research Laboratory, Air Force
20  * Materiel Command, USAF, under agreement number F39502-99-1-0512.
21  *
22  * From: FreeBSD: head/lib/libc/gen/ftw.c 239151 2012-08-09 15:11:38Z jilles
23  */
24 
25 #include <sys/types.h>
26 #include <sys/stat.h>
27 #include <errno.h>
28 #include <fts.h>
29 #include <ftw.h>
30 
31 #include "fts-compat11.h"
32 
33 int freebsd11_ftw(const char *path, int (*fn)(const char *,
34     const struct freebsd11_stat *, int), int nfds);
35 
36 int
37 freebsd11_ftw(const char *path,
38     int (*fn)(const char *, const struct freebsd11_stat *, int), int nfds)
39 {
40 	char * const paths[2] = { (char *)path, NULL };
41 	FTSENT11 *cur;
42 	FTS11 *ftsp;
43 	int error = 0, fnflag, sverrno;
44 
45 	/* XXX - nfds is currently unused */
46 	if (nfds < 1) {
47 		errno = EINVAL;
48 		return (-1);
49 	}
50 
51 	ftsp = freebsd11_fts_open(paths,
52 	    FTS_LOGICAL | FTS_COMFOLLOW | FTS_NOCHDIR, NULL);
53 	if (ftsp == NULL)
54 		return (-1);
55 	while ((cur = freebsd11_fts_read(ftsp)) != NULL) {
56 		switch (cur->fts_info) {
57 		case FTS_D:
58 			fnflag = FTW_D;
59 			break;
60 		case FTS_DNR:
61 			fnflag = FTW_DNR;
62 			break;
63 		case FTS_DP:
64 			/* we only visit in preorder */
65 			continue;
66 		case FTS_F:
67 		case FTS_DEFAULT:
68 			fnflag = FTW_F;
69 			break;
70 		case FTS_NS:
71 		case FTS_NSOK:
72 		case FTS_SLNONE:
73 			fnflag = FTW_NS;
74 			break;
75 		case FTS_SL:
76 			fnflag = FTW_SL;
77 			break;
78 		case FTS_DC:
79 			errno = ELOOP;
80 			/* FALLTHROUGH */
81 		default:
82 			error = -1;
83 			goto done;
84 		}
85 		error = fn(cur->fts_path, cur->fts_statp, fnflag);
86 		if (error != 0)
87 			break;
88 	}
89 done:
90 	sverrno = errno;
91 	if (freebsd11_fts_close(ftsp) != 0 && error == 0)
92 		error = -1;
93 	else
94 		errno = sverrno;
95 	return (error);
96 }
97 
98 __sym_compat(ftw, freebsd11_ftw, FBSD_1.0);
99