1da2e3ebdSchin /***********************************************************************
2da2e3ebdSchin * *
3da2e3ebdSchin * This software is part of the ast package *
4*b30d1939SAndy Fiddaman * Copyright (c) 1985-2011 AT&T Intellectual Property *
5da2e3ebdSchin * and is licensed under the *
6*b30d1939SAndy Fiddaman * Eclipse Public License, Version 1.0 *
77c2fbfb3SApril Chin * by AT&T Intellectual Property *
8da2e3ebdSchin * *
9da2e3ebdSchin * A copy of the License is available at *
10*b30d1939SAndy Fiddaman * http://www.eclipse.org/org/documents/epl-v10.html *
11*b30d1939SAndy Fiddaman * (with md5 checksum b35adb5213ca9657e911e9befb180842) *
12da2e3ebdSchin * *
13da2e3ebdSchin * Information and Software Systems Research *
14da2e3ebdSchin * AT&T Research *
15da2e3ebdSchin * Florham Park NJ *
16da2e3ebdSchin * *
17da2e3ebdSchin * Glenn Fowler <gsf@research.att.com> *
18da2e3ebdSchin * David Korn <dgk@research.att.com> *
19da2e3ebdSchin * Phong Vo <kpv@research.att.com> *
20da2e3ebdSchin * *
21da2e3ebdSchin ***********************************************************************/
22da2e3ebdSchin #pragma prototyped
23da2e3ebdSchin /*
24da2e3ebdSchin * nftw implementation
25da2e3ebdSchin */
26da2e3ebdSchin
27da2e3ebdSchin #include <ast.h>
28da2e3ebdSchin #include <ftw.h>
29da2e3ebdSchin
30da2e3ebdSchin static int nftw_flags;
31da2e3ebdSchin static int (*nftw_userf)(const char*, const struct stat*, int, struct FTW*);
32da2e3ebdSchin
33da2e3ebdSchin static int
nftw_user(Ftw_t * ftw)34da2e3ebdSchin nftw_user(Ftw_t* ftw)
35da2e3ebdSchin {
36da2e3ebdSchin register int n = ftw->info;
37da2e3ebdSchin struct FTW nftw;
38da2e3ebdSchin struct stat st;
39da2e3ebdSchin
40da2e3ebdSchin if (n & (FTW_C|FTW_NX))
41da2e3ebdSchin n = FTW_DNR;
42da2e3ebdSchin else if ((n & FTW_SL) && (!(nftw_flags & FTW_PHYSICAL) || stat(ftw->path, &st)))
43da2e3ebdSchin n = FTW_SLN;
44da2e3ebdSchin nftw.base = ftw->pathlen - ftw->namelen;
45da2e3ebdSchin nftw.level = ftw->level;
46da2e3ebdSchin nftw.quit = 0;
47da2e3ebdSchin n = (*nftw_userf)(ftw->path, &ftw->statb, n, &nftw);
48da2e3ebdSchin ftw->status = nftw.quit;
49da2e3ebdSchin return n;
50da2e3ebdSchin }
51da2e3ebdSchin
52da2e3ebdSchin int
nftw(const char * path,int (* userf)(const char *,const struct stat *,int,struct FTW *),int depth,int flags)53da2e3ebdSchin nftw(const char* path, int(*userf)(const char*, const struct stat*, int, struct FTW*), int depth, int flags)
54da2e3ebdSchin {
55da2e3ebdSchin NoP(depth);
56da2e3ebdSchin nftw_userf = userf;
57da2e3ebdSchin if (flags & FTW_CHDIR) flags &= ~FTW_DOT;
58da2e3ebdSchin else flags |= FTW_DOT;
59da2e3ebdSchin nftw_flags = flags;
60da2e3ebdSchin return ftwalk(path, nftw_user, flags, NiL);
61da2e3ebdSchin }
62