ftw.c revision 239151
1223215Sdelphij/* $OpenBSD: ftw.c,v 1.5 2005/08/08 08:05:34 espie 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#include <sys/cdefs.h> 24134244Stjr__FBSDID("$FreeBSD: head/lib/libc/gen/ftw.c 239151 2012-08-09 15:11:38Z jilles $"); 25134244Stjr 26134244Stjr#include <sys/types.h> 27131661Sdas#include <sys/stat.h> 28134244Stjr#include <errno.h> 29131661Sdas#include <fts.h> 30134244Stjr#include <ftw.h> 31131661Sdas 32134244Stjrint 33134244Stjrftw(const char *path, int (*fn)(const char *, const struct stat *, int), 34134244Stjr int nfds) 35134244Stjr{ 36134244Stjr char * const paths[2] = { (char *)path, NULL }; 37134244Stjr FTSENT *cur; 38134244Stjr FTS *ftsp; 39134244Stjr int error = 0, fnflag, sverrno; 40131661Sdas 41134244Stjr /* XXX - nfds is currently unused */ 42239151Sjilles if (nfds < 1) { 43134244Stjr errno = EINVAL; 44134244Stjr return (-1); 45134244Stjr } 46131661Sdas 47134244Stjr ftsp = fts_open(paths, FTS_LOGICAL | FTS_COMFOLLOW | FTS_NOCHDIR, NULL); 48134244Stjr if (ftsp == NULL) 49134244Stjr return (-1); 50134244Stjr while ((cur = fts_read(ftsp)) != NULL) { 51134244Stjr switch (cur->fts_info) { 52134244Stjr case FTS_D: 53134244Stjr fnflag = FTW_D; 54134244Stjr break; 55134244Stjr case FTS_DNR: 56134244Stjr fnflag = FTW_DNR; 57134244Stjr break; 58134244Stjr case FTS_DP: 59134244Stjr /* we only visit in preorder */ 60134244Stjr continue; 61134244Stjr case FTS_F: 62134244Stjr case FTS_DEFAULT: 63134244Stjr fnflag = FTW_F; 64134244Stjr break; 65134244Stjr case FTS_NS: 66134244Stjr case FTS_NSOK: 67134244Stjr case FTS_SLNONE: 68134244Stjr fnflag = FTW_NS; 69134244Stjr break; 70134244Stjr case FTS_SL: 71134244Stjr fnflag = FTW_SL; 72134244Stjr break; 73134244Stjr case FTS_DC: 74134244Stjr errno = ELOOP; 75134244Stjr /* FALLTHROUGH */ 76134244Stjr default: 77134244Stjr error = -1; 78134244Stjr goto done; 79134244Stjr } 80134244Stjr error = fn(cur->fts_path, cur->fts_statp, fnflag); 81134244Stjr if (error != 0) 82134244Stjr break; 83134244Stjr } 84134244Stjrdone: 85134244Stjr sverrno = errno; 86134244Stjr if (fts_close(ftsp) != 0 && error == 0) 87134244Stjr error = -1; 88134244Stjr else 89134244Stjr errno = sverrno; 90134244Stjr return (error); 91131661Sdas} 92