usr/src/lib/libast/common/comp/ftw.c

   1 /***********************************************************************
   2 *                                                                      *
   3 *               This software is part of the ast package               *
   4 *          Copyright (c) 1985-2010 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  * ftw implementation
  25  */
  26
  27 #include <ast.h>
  28 #include <ftw.h>
  29
  30 static int      (*ftw_userf)(const char*, const struct stat*, int);
  31
  32 static int
  33 ftw_user(Ftw_t* ftw)
  34 {
  35         register int    n = ftw->info;
  36
  37         if (n & (FTW_C|FTW_NX))
  38                 n = FTW_DNR;
  39         else if (n & FTW_SL)
  40                 n = FTW_NS;
  41         return (*ftw_userf)(ftw->path, &ftw->statb, n);
  42 }
  43
  44 int
  45 ftw(const char* path, int(*userf)(const char*, const struct stat*, int), int depth)
  46 {
  47         NoP(depth);
  48         ftw_userf = userf;
  49         return ftwalk(path, ftw_user, FTW_DOT, NiL);
  50 }