ftw.c revision 134244
1134244Stjr/* $OpenBSD: ftw.c,v 1.4 2004/07/07 16:05:23 millert Exp $ */ 2134244Stjr 3131661Sdas/* 4134244Stjr * Copyright (c) 2003, 2004 Todd C. Miller <Todd.Miller@courtesan.com> 5131661Sdas * 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. 9131661Sdas * 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. 21131661Sdas */ 22131661Sdas 23134244Stjr#if 0 24134244Stjr#if defined(LIBC_SCCS) && !defined(lint) 25134244Stjrstatic const char rcsid[] = "$OpenBSD: ftw.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: head/lib/libc/gen/ftw.c 134244 2004-08-24 13:00:55Z tjr $"); 31134244Stjr 32134244Stjr#include <sys/types.h> 33131661Sdas#include <sys/stat.h> 34134244Stjr#include <errno.h> 35131661Sdas#include <fts.h> 36134244Stjr#include <ftw.h> 37134244Stjr#include <limits.h> 38131661Sdas 39134244Stjrint 40134244Stjrftw(const char *path, int (*fn)(const char *, const struct stat *, int), 41134244Stjr int nfds) 42134244Stjr{ 43134244Stjr char * const paths[2] = { (char *)path, NULL }; 44134244Stjr FTSENT *cur; 45134244Stjr FTS *ftsp; 46134244Stjr int error = 0, fnflag, sverrno; 47131661Sdas 48134244Stjr /* XXX - nfds is currently unused */ 49134244Stjr if (nfds < 1 || nfds > OPEN_MAX) { 50134244Stjr errno = EINVAL; 51134244Stjr return (-1); 52134244Stjr } 53131661Sdas 54134244Stjr ftsp = fts_open(paths, FTS_LOGICAL | FTS_COMFOLLOW | FTS_NOCHDIR, NULL); 55134244Stjr if (ftsp == NULL) 56134244Stjr return (-1); 57134244Stjr while ((cur = fts_read(ftsp)) != NULL) { 58134244Stjr switch (cur->fts_info) { 59134244Stjr case FTS_D: 60134244Stjr fnflag = FTW_D; 61134244Stjr break; 62134244Stjr case FTS_DNR: 63134244Stjr fnflag = FTW_DNR; 64134244Stjr break; 65134244Stjr case FTS_DP: 66134244Stjr /* we only visit in preorder */ 67134244Stjr continue; 68134244Stjr case FTS_F: 69134244Stjr case FTS_DEFAULT: 70134244Stjr fnflag = FTW_F; 71134244Stjr break; 72134244Stjr case FTS_NS: 73134244Stjr case FTS_NSOK: 74134244Stjr case FTS_SLNONE: 75134244Stjr fnflag = FTW_NS; 76134244Stjr break; 77134244Stjr case FTS_SL: 78134244Stjr fnflag = FTW_SL; 79134244Stjr break; 80134244Stjr case FTS_DC: 81134244Stjr errno = ELOOP; 82134244Stjr /* FALLTHROUGH */ 83134244Stjr default: 84134244Stjr error = -1; 85134244Stjr goto done; 86134244Stjr } 87134244Stjr error = fn(cur->fts_path, cur->fts_statp, fnflag); 88134244Stjr if (error != 0) 89134244Stjr break; 90134244Stjr } 91134244Stjrdone: 92134244Stjr sverrno = errno; 93134244Stjr if (fts_close(ftsp) != 0 && error == 0) 94134244Stjr error = -1; 95134244Stjr else 96134244Stjr errno = sverrno; 97134244Stjr return (error); 98131661Sdas} 99