1/*********************************************************************** 2* * 3* This software is part of the ast package * 4* Copyright (c) 1985-2011 AT&T Intellectual Property * 5* and is licensed under the * 6* Common Public License, Version 1.0 * 7* by AT&T Intellectual Property * 8* * 9* A copy of the License is available at * 10* http://www.opensource.org/licenses/cpl1.0.txt * 11* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12* * 13* Information and Software Systems Research * 14* AT&T Research * 15* Florham Park NJ * 16* * 17* Glenn Fowler <gsf@research.att.com> * 18* David Korn <dgk@research.att.com> * 19* Phong Vo <kpv@research.att.com> * 20* * 21***********************************************************************/ 22#pragma prototyped 23/* 24 * nftw implementation 25 */ 26 27#include <ast.h> 28#include <ftw.h> 29 30static int nftw_flags; 31static int (*nftw_userf)(const char*, const struct stat*, int, struct FTW*); 32 33static int 34nftw_user(Ftw_t* ftw) 35{ 36 register int n = ftw->info; 37 struct FTW nftw; 38 struct stat st; 39 40 if (n & (FTW_C|FTW_NX)) 41 n = FTW_DNR; 42 else if ((n & FTW_SL) && (!(nftw_flags & FTW_PHYSICAL) || stat(ftw->path, &st))) 43 n = FTW_SLN; 44 nftw.base = ftw->pathlen - ftw->namelen; 45 nftw.level = ftw->level; 46 nftw.quit = 0; 47 n = (*nftw_userf)(ftw->path, &ftw->statb, n, &nftw); 48 ftw->status = nftw.quit; 49 return n; 50} 51 52int 53nftw(const char* path, int(*userf)(const char*, const struct stat*, int, struct FTW*), int depth, int flags) 54{ 55 NoP(depth); 56 nftw_userf = userf; 57 if (flags & FTW_CHDIR) flags &= ~FTW_DOT; 58 else flags |= FTW_DOT; 59 nftw_flags = flags; 60 return ftwalk(path, nftw_user, flags, NiL); 61} 62