1134244Stjr/* $OpenBSD: nftw.c,v 1.4 2004/07/07 16:05:23 millert Exp $ */ 2134244Stjr 3134244Stjr/* 4134244Stjr * Copyright (c) 2003, 2004 Todd C. Miller <Todd.Miller@courtesan.com> 5134244Stjr * 6134244Stjr * Permission to use, copy, modify, and distribute this software for any 7134244Stjr * purpose with or without fee is hereby granted, provided that the above 8134244Stjr * copyright notice and this permission notice appear in all copies. 9134244Stjr * 10134244Stjr * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11134244Stjr * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12134244Stjr * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13134244Stjr * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14134244Stjr * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15134244Stjr * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16134244Stjr * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17134244Stjr * 18134244Stjr * Sponsored in part by the Defense Advanced Research Projects 19134244Stjr * Agency (DARPA) and Air Force Research Laboratory, Air Force 20134244Stjr * Materiel Command, USAF, under agreement number F39502-99-1-0512. 21134244Stjr */ 22134244Stjr 23134244Stjr#if 0 24134244Stjr#if defined(LIBC_SCCS) && !defined(lint) 25134244Stjrstatic const char rcsid[] = "$OpenBSD: nftw.c,v 1.4 2004/07/07 16:05:23 millert Exp $"; 26134244Stjr#endif /* LIBC_SCCS and not lint */ 27134244Stjr#endif 28134244Stjr 29134244Stjr#include <sys/cdefs.h> 30134244Stjr__FBSDID("$FreeBSD$"); 31134244Stjr 32134244Stjr#include <sys/types.h> 33134244Stjr#include <sys/stat.h> 34134244Stjr#include <errno.h> 35134244Stjr#include <fts.h> 36134244Stjr#include <ftw.h> 37134244Stjr 38134244Stjrint 39134244Stjrnftw(const char *path, int (*fn)(const char *, const struct stat *, int, 40134244Stjr struct FTW *), int nfds, int ftwflags) 41134244Stjr{ 42134244Stjr char * const paths[2] = { (char *)path, NULL }; 43134244Stjr struct FTW ftw; 44134244Stjr FTSENT *cur; 45134244Stjr FTS *ftsp; 46134244Stjr int error = 0, ftsflags, fnflag, postorder, sverrno; 47134244Stjr 48134244Stjr /* XXX - nfds is currently unused */ 49244356Sjilles if (nfds < 1) { 50134244Stjr errno = EINVAL; 51134244Stjr return (-1); 52134244Stjr } 53134244Stjr 54134244Stjr ftsflags = FTS_COMFOLLOW; 55134244Stjr if (!(ftwflags & FTW_CHDIR)) 56134244Stjr ftsflags |= FTS_NOCHDIR; 57134244Stjr if (ftwflags & FTW_MOUNT) 58134244Stjr ftsflags |= FTS_XDEV; 59134244Stjr if (ftwflags & FTW_PHYS) 60134244Stjr ftsflags |= FTS_PHYSICAL; 61134244Stjr else 62134244Stjr ftsflags |= FTS_LOGICAL; 63134244Stjr postorder = (ftwflags & FTW_DEPTH) != 0; 64134244Stjr ftsp = fts_open(paths, ftsflags, NULL); 65134244Stjr if (ftsp == NULL) 66134244Stjr return (-1); 67134244Stjr while ((cur = fts_read(ftsp)) != NULL) { 68134244Stjr switch (cur->fts_info) { 69134244Stjr case FTS_D: 70134244Stjr if (postorder) 71134244Stjr continue; 72134244Stjr fnflag = FTW_D; 73134244Stjr break; 74134244Stjr case FTS_DNR: 75134244Stjr fnflag = FTW_DNR; 76134244Stjr break; 77134244Stjr case FTS_DP: 78134244Stjr if (!postorder) 79134244Stjr continue; 80134244Stjr fnflag = FTW_DP; 81134244Stjr break; 82134244Stjr case FTS_F: 83134244Stjr case FTS_DEFAULT: 84134244Stjr fnflag = FTW_F; 85134244Stjr break; 86134244Stjr case FTS_NS: 87134244Stjr case FTS_NSOK: 88134244Stjr fnflag = FTW_NS; 89134244Stjr break; 90134244Stjr case FTS_SL: 91134244Stjr fnflag = FTW_SL; 92134244Stjr break; 93134244Stjr case FTS_SLNONE: 94134244Stjr fnflag = FTW_SLN; 95134244Stjr break; 96134244Stjr case FTS_DC: 97134244Stjr errno = ELOOP; 98134244Stjr /* FALLTHROUGH */ 99134244Stjr default: 100134244Stjr error = -1; 101134244Stjr goto done; 102134244Stjr } 103134244Stjr ftw.base = cur->fts_pathlen - cur->fts_namelen; 104134244Stjr ftw.level = cur->fts_level; 105134244Stjr error = fn(cur->fts_path, cur->fts_statp, fnflag, &ftw); 106134244Stjr if (error != 0) 107134244Stjr break; 108134244Stjr } 109134244Stjrdone: 110134244Stjr sverrno = errno; 111134244Stjr if (fts_close(ftsp) != 0 && error == 0) 112134244Stjr error = -1; 113134244Stjr else 114134244Stjr errno = sverrno; 115134244Stjr return (error); 116134244Stjr} 117