| /* $NetBSD: ftw.c,v 1.1 2005/12/30 23:07:32 agc Exp $ */ |
| |
| /* From OpenBSD: ftw.c,v 1.2 2003/07/21 21:15:32 millert Exp */ |
| |
| /* |
| * Copyright (c) 2003 Todd C. Miller <Todd.Miller@courtesan.com> |
| * |
| * Permission to use, copy, modify, and distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| * |
| * Sponsored in part by the Defense Advanced Research Projects |
| * Agency (DARPA) and Air Force Research Laboratory, Air Force |
| * Materiel Command, USAF, under agreement number F39502-99-1-0512. |
| */ |
| #include <sys/cdefs.h> |
| |
| #ifndef lint |
| __RCSID("$NetBSD: ftw.c,v 1.1 2005/12/30 23:07:32 agc Exp $"); |
| #endif |
| |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <errno.h> |
| #include <fts.h> |
| #include <ftw.h> |
| #include <limits.h> |
| |
| int |
| ftw(const char *path, int (*fn)(const char *, const struct stat *, int), |
| int nfds) |
| { |
| /* LINTED */ |
| char * const paths[2] = { __UNCONST(path), NULL }; |
| FTSENT *cur; |
| FTS *ftsp; |
| int fnflag, error, sverrno; |
| |
| /* XXX - nfds is currently unused */ |
| if (nfds < 1 || nfds > OPEN_MAX) { |
| errno = EINVAL; |
| return (-1); |
| } |
| |
| ftsp = fts_open(paths, FTS_COMFOLLOW | FTS_NOCHDIR, NULL); |
| if (ftsp == NULL) |
| return (-1); |
| error = 0; |
| while ((cur = fts_read(ftsp)) != NULL) { |
| switch (cur->fts_info) { |
| case FTS_D: |
| fnflag = FTW_D; |
| break; |
| case FTS_DNR: |
| fnflag = FTW_DNR; |
| break; |
| case FTS_DP: |
| /* we only visit in preorder */ |
| continue; |
| case FTS_F: |
| case FTS_DEFAULT: |
| fnflag = FTW_F; |
| break; |
| case FTS_NS: |
| case FTS_NSOK: |
| case FTS_SLNONE: |
| fnflag = FTW_NS; |
| break; |
| case FTS_SL: |
| fnflag = FTW_SL; |
| break; |
| case FTS_DC: |
| errno = ELOOP; |
| /* FALLTHROUGH */ |
| default: |
| error = -1; |
| goto done; |
| } |
| error = fn(cur->fts_path, cur->fts_statp, fnflag); |
| if (error != 0) |
| break; |
| } |
| done: |
| sverrno = errno; |
| if (fts_close(ftsp) != 0 && error == 0) |
| error = -1; |
| else |
| errno = sverrno; |
| return (error); |
| } |