14887Schin /***********************************************************************
24887Schin *                                                                      *
34887Schin *               This software is part of the ast package               *
4*8462SApril.Chin@Sun.COM *          Copyright (c) 1985-2008 AT&T Intellectual Property          *
54887Schin *                      and is licensed under the                       *
64887Schin *                  Common Public License, Version 1.0                  *
7*8462SApril.Chin@Sun.COM *                    by AT&T Intellectual Property                     *
84887Schin *                                                                      *
94887Schin *                A copy of the License is available at                 *
104887Schin *            http://www.opensource.org/licenses/cpl1.0.txt             *
114887Schin *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
124887Schin *                                                                      *
134887Schin *              Information and Software Systems Research               *
144887Schin *                            AT&T Research                             *
154887Schin *                           Florham Park NJ                            *
164887Schin *                                                                      *
174887Schin *                 Glenn Fowler <gsf@research.att.com>                  *
184887Schin *                  David Korn <dgk@research.att.com>                   *
194887Schin *                   Phong Vo <kpv@research.att.com>                    *
204887Schin *                                                                      *
214887Schin ***********************************************************************/
224887Schin #pragma prototyped
234887Schin /*
244887Schin  * nftw implementation
254887Schin  */
264887Schin 
274887Schin #include <ast.h>
284887Schin #include <ftw.h>
294887Schin 
304887Schin static int	nftw_flags;
314887Schin static int	(*nftw_userf)(const char*, const struct stat*, int, struct FTW*);
324887Schin 
334887Schin static int
344887Schin nftw_user(Ftw_t* ftw)
354887Schin {
364887Schin 	register int	n = ftw->info;
374887Schin 	struct FTW	nftw;
384887Schin 	struct stat	st;
394887Schin 
404887Schin 	if (n & (FTW_C|FTW_NX))
414887Schin 		n = FTW_DNR;
424887Schin 	else if ((n & FTW_SL) && (!(nftw_flags & FTW_PHYSICAL) || stat(ftw->path, &st)))
434887Schin 		n = FTW_SLN;
444887Schin 	nftw.base = ftw->pathlen - ftw->namelen;
454887Schin 	nftw.level = ftw->level;
464887Schin 	nftw.quit = 0;
474887Schin 	n = (*nftw_userf)(ftw->path, &ftw->statb, n, &nftw);
484887Schin 	ftw->status = nftw.quit;
494887Schin 	return n;
504887Schin }
514887Schin 
524887Schin int
534887Schin nftw(const char* path, int(*userf)(const char*, const struct stat*, int, struct FTW*), int depth, int flags)
544887Schin {
554887Schin 	NoP(depth);
564887Schin 	nftw_userf = userf;
574887Schin 	if (flags & FTW_CHDIR) flags &= ~FTW_DOT;
584887Schin 	else flags |= FTW_DOT;
594887Schin 	nftw_flags = flags;
604887Schin 	return ftwalk(path, nftw_user, flags, NiL);
614887Schin }
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