/* $OpenBSD: nftw.c,v 1.4 2004/07/07 16:05:23 millert 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. */ #if 0 #if defined(LIBC_SCCS) && !defined(lint) static const char rcsid[] = "$OpenBSD: nftw.c,v 1.4 2004/07/07 16:05:23 millert Exp $"; #endif /* LIBC_SCCS and not lint */ #endif #ifdef __CYGWIN__ #include "winsup.h" #endif #include #if 0 __FBSDID("$FreeBSD: /repoman/r/ncvs/src/lib/libc/gen/nftw.c,v 1.1.2.1 2004/08/29 06:10:53 tjr Exp $"); #endif #include #include #include #include #include #include int nftw(const char *path, int (*fn)(const char *, const struct __stat64 *, int, struct FTW *), int nfds, int ftwflags) { char * const paths[2] = { (char *)path, NULL }; struct FTW ftw; FTSENT *cur; FTS *ftsp; int error = 0, ftsflags, fnflag, postorder, sverrno; #if 0 /* GLibc allows nfds < 1 and treats it as nfds == 1. Since nfds is not used in this OpenBSD version anyway, just ignore it for Linux compatibility. */ /* XXX - nfds is currently unused */ if (nfds < 1 || nfds > OPEN_MAX) { errno = EINVAL; return (-1); } #endif ftsflags = FTS_COMFOLLOW; if (!(ftwflags & FTW_CHDIR)) ftsflags |= FTS_NOCHDIR; if (ftwflags & FTW_MOUNT) ftsflags |= FTS_XDEV; if (ftwflags & FTW_PHYS) ftsflags |= FTS_PHYSICAL; else ftsflags |= FTS_LOGICAL; postorder = (ftwflags & FTW_DEPTH) != 0; ftsp = fts_open(paths, ftsflags, NULL); if (ftsp == NULL) return (-1); while ((cur = fts_read(ftsp)) != NULL) { switch (cur->fts_info) { case FTS_D: if (postorder) continue; fnflag = FTW_D; break; case FTS_DNR: fnflag = FTW_DNR; break; case FTS_DP: if (!postorder) continue; fnflag = FTW_DP; break; case FTS_F: case FTS_DEFAULT: fnflag = FTW_F; break; case FTS_NS: case FTS_NSOK: fnflag = FTW_NS; break; case FTS_SL: fnflag = FTW_SL; break; case FTS_SLNONE: fnflag = FTW_SLN; break; case FTS_DC: errno = ELOOP; /* FALLTHROUGH */ default: error = -1; goto done; } ftw.base = cur->fts_pathlen - cur->fts_namelen; ftw.level = cur->fts_level; error = fn(cur->fts_path, cur->fts_statp, fnflag, &ftw); if (error != 0) break; } done: sverrno = errno; if (fts_close(ftsp) != 0 && error == 0) error = -1; else errno = sverrno; return (error); }