/* $OpenBSD: ftw.c,v 1.5 2005/08/08 08:05:34 espie Exp $ */ /* * Copyright (c) 2003, 2004 Todd C. Miller * * 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 #include #include #include #include #include int ftw(const char *path, int (*fn)(const char *, const struct stat *, int), int nfds) { char * const paths[2] = { (char *)path, NULL }; FTSENT *cur; FTS *ftsp; int error = 0, fnflag, sverrno; /* XXX - nfds is currently unused */ if (nfds < 1 || nfds > OPEN_MAX) { errno = EINVAL; return (-1); } ftsp = fts_open(paths, FTS_LOGICAL | FTS_COMFOLLOW | FTS_NOCHDIR, NULL); if (ftsp == NULL) return (-1); 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); }