source: vendor/FreeBSD-libc/current/gen/nftw.c

Last change on this file was 2168, checked in by (none), 20 years ago

This commit was manufactured by cvs2svn to create branch 'FREEBSD'.
  • Property cvs2svn:cvs-rev set to 1.1
  • Property svn:eol-style set to native
  • Property svn:executable set to *
File size: 3.0 KB
Line 
1/* $OpenBSD: nftw.c,v 1.4 2004/07/07 16:05:23 millert 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
23#if 0
24#if defined(LIBC_SCCS) && !defined(lint)
25static const char rcsid[] = "$OpenBSD: nftw.c,v 1.4 2004/07/07 16:05:23 millert Exp $";
26#endif /* LIBC_SCCS and not lint */
27#endif
28
29#include <sys/cdefs.h>
30__FBSDID("$FreeBSD: src/lib/libc/gen/nftw.c,v 1.1 2004/08/24 13:00:55 tjr Exp $");
31
32#include <sys/types.h>
33#include <sys/stat.h>
34#include <errno.h>
35#include <fts.h>
36#include <ftw.h>
37#include <limits.h>
38
39int
40nftw(const char *path, int (*fn)(const char *, const struct stat *, int,
41 struct FTW *), int nfds, int ftwflags)
42{
43 char * const paths[2] = { (char *)path, NULL };
44 struct FTW ftw;
45 FTSENT *cur;
46 FTS *ftsp;
47 int error = 0, ftsflags, fnflag, postorder, sverrno;
48
49 /* XXX - nfds is currently unused */
50 if (nfds < 1 || nfds > OPEN_MAX) {
51 errno = EINVAL;
52 return (-1);
53 }
54
55 ftsflags = FTS_COMFOLLOW;
56 if (!(ftwflags & FTW_CHDIR))
57 ftsflags |= FTS_NOCHDIR;
58 if (ftwflags & FTW_MOUNT)
59 ftsflags |= FTS_XDEV;
60 if (ftwflags & FTW_PHYS)
61 ftsflags |= FTS_PHYSICAL;
62 else
63 ftsflags |= FTS_LOGICAL;
64 postorder = (ftwflags & FTW_DEPTH) != 0;
65 ftsp = fts_open(paths, ftsflags, NULL);
66 if (ftsp == NULL)
67 return (-1);
68 while ((cur = fts_read(ftsp)) != NULL) {
69 switch (cur->fts_info) {
70 case FTS_D:
71 if (postorder)
72 continue;
73 fnflag = FTW_D;
74 break;
75 case FTS_DNR:
76 fnflag = FTW_DNR;
77 break;
78 case FTS_DP:
79 if (!postorder)
80 continue;
81 fnflag = FTW_DP;
82 break;
83 case FTS_F:
84 case FTS_DEFAULT:
85 fnflag = FTW_F;
86 break;
87 case FTS_NS:
88 case FTS_NSOK:
89 fnflag = FTW_NS;
90 break;
91 case FTS_SL:
92 fnflag = FTW_SL;
93 break;
94 case FTS_SLNONE:
95 fnflag = FTW_SLN;
96 break;
97 case FTS_DC:
98 errno = ELOOP;
99 /* FALLTHROUGH */
100 default:
101 error = -1;
102 goto done;
103 }
104 ftw.base = cur->fts_pathlen - cur->fts_namelen;
105 ftw.level = cur->fts_level;
106 error = fn(cur->fts_path, cur->fts_statp, fnflag, &ftw);
107 if (error != 0)
108 break;
109 }
110done:
111 sverrno = errno;
112 if (fts_close(ftsp) != 0 && error == 0)
113 error = -1;
114 else
115 errno = sverrno;
116 return (error);
117}
Note: See TracBrowser for help on using the repository browser.