Differential D10439 Diff 27581 lib/libc/gen/nftw-compat11.c

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lib/libc/gen/nftw-compat11.c

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				/*
				* Copyright (c) 2003, 2004 Todd C. Miller <Todd.Miller@courtesan.com>
				*
				* 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.
				*
				* from: $OpenBSD: nftw.c,v 1.7 2006/03/31 19:41:44 millert Exp $
				* from: $FreeBSD$
				*/

				#include <sys/cdefs.h>
				__FBSDID("$FreeBSD$");

				#include <sys/types.h>
				#include <sys/stat.h>
				#include <errno.h>
				#include <fts.h>
				#include <ftw.h>

				#include "fts-compat11.h"

				int
				freebsd11_nftw(const char *path,
				int (fn)(const char , const struct freebsd11_stat , int, struct FTW ),
				int nfds, int ftwflags)
				{
				char * const paths[2] = { (char *)path, NULL };
				struct FTW ftw;
				FTSENT11 *cur;
				FTS11 *ftsp;
				int error = 0, ftsflags, fnflag, postorder, sverrno;

				/* XXX - nfds is currently unused */
				if (nfds < 1) {
				errno = EINVAL;
				return (-1);
				}

				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 = freebsd11_fts_open(paths, ftsflags, NULL);
				if (ftsp == NULL)
				return (-1);
				while ((cur = freebsd11_fts_read(ftsp)) != NULL) {
				switch (cur->fts_info) {
				case FTS_D:
				if (postorder)
				continue;
				fnflag = FTW_D;
				break;
				case FTS_DC:
				continue;
				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;
				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 (freebsd11_fts_close(ftsp) != 0 && error == 0)
				error = -1;
				else
				errno = sverrno;
				return (error);
				}

				__sym_compat(nftw, freebsd11_nftw, FBSD_1.0);