xref: /freebsd/lib/libc/gen/nftw-compat11.c (revision 315ee00f)
1 /*
2  * Copyright (c) 2003, 2004 Todd C. Miller <Todd.Miller@courtesan.com>
3  *
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  *
16  * Sponsored in part by the Defense Advanced Research Projects
17  * Agency (DARPA) and Air Force Research Laboratory, Air Force
18  * Materiel Command, USAF, under agreement number F39502-99-1-0512.
19  *
20  * From: $OpenBSD: nftw.c,v 1.7 2006/03/31 19:41:44 millert Exp $
21  * From: FreeBSD: head/lib/libc/gen/nftw.c 239160 2012-08-09 22:05:40Z jilles
22  */
23 
24 #include <sys/cdefs.h>
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
34 freebsd11_nftw(const char *path,
35     int (*fn)(const char *, const struct freebsd11_stat *, int, struct FTW *),
36     int nfds, int ftwflags)
37 {
38 	char * const paths[2] = { (char *)path, NULL };
39 	struct FTW ftw;
40 	FTSENT11 *cur;
41 	FTS11 *ftsp;
42 	int error = 0, ftsflags, fnflag, postorder, sverrno;
43 
44 	/* XXX - nfds is currently unused */
45 	if (nfds < 1) {
46 		errno = EINVAL;
47 		return (-1);
48 	}
49 
50 	ftsflags = FTS_COMFOLLOW;
51 	if (!(ftwflags & FTW_CHDIR))
52 		ftsflags |= FTS_NOCHDIR;
53 	if (ftwflags & FTW_MOUNT)
54 		ftsflags |= FTS_XDEV;
55 	if (ftwflags & FTW_PHYS)
56 		ftsflags |= FTS_PHYSICAL;
57 	else
58 		ftsflags |= FTS_LOGICAL;
59 	postorder = (ftwflags & FTW_DEPTH) != 0;
60 	ftsp = freebsd11_fts_open(paths, ftsflags, NULL);
61 	if (ftsp == NULL)
62 		return (-1);
63 	while ((cur = freebsd11_fts_read(ftsp)) != NULL) {
64 		switch (cur->fts_info) {
65 		case FTS_D:
66 			if (postorder)
67 				continue;
68 			fnflag = FTW_D;
69 			break;
70 		case FTS_DC:
71 			continue;
72 		case FTS_DNR:
73 			fnflag = FTW_DNR;
74 			break;
75 		case FTS_DP:
76 			if (!postorder)
77 				continue;
78 			fnflag = FTW_DP;
79 			break;
80 		case FTS_F:
81 		case FTS_DEFAULT:
82 			fnflag = FTW_F;
83 			break;
84 		case FTS_NS:
85 		case FTS_NSOK:
86 			fnflag = FTW_NS;
87 			break;
88 		case FTS_SL:
89 			fnflag = FTW_SL;
90 			break;
91 		case FTS_SLNONE:
92 			fnflag = FTW_SLN;
93 			break;
94 		default:
95 			error = -1;
96 			goto done;
97 		}
98 		ftw.base = cur->fts_pathlen - cur->fts_namelen;
99 		ftw.level = cur->fts_level;
100 		error = fn(cur->fts_path, cur->fts_statp, fnflag, &ftw);
101 		if (error != 0)
102 			break;
103 	}
104 done:
105 	sverrno = errno;
106 	if (freebsd11_fts_close(ftsp) != 0 && error == 0)
107 		error = -1;
108 	else
109 		errno = sverrno;
110 	return (error);
111 }
112 
113 __sym_compat(nftw, freebsd11_nftw, FBSD_1.0);
114