usr/src/lib/libast/common/comp/rmdir.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 #include <ast.h>
  25
  26 #if _lib_rmdir
  27
  28 NoN(rmdir)
  29
  30 #else
  31
  32 #include <ls.h>
  33 #include <error.h>
  34
  35 int
  36 rmdir(const char* path)
  37 {
  38         register int    n;
  39         struct stat     st;
  40         char*           av[3];
  41
  42         static char*    cmd[] = { "/bin/rmdir", "/usr/5bin/rmdir", 0 };
  43
  44         if (stat(path, &st) < 0) return(-1);
  45         if (!S_ISDIR(st.st_mode))
  46         {
  47                 errno = ENOTDIR;
  48                 return(-1);
  49         }
  50         av[0] = "rmdir";
  51         av[1] = path;
  52         av[2] = 0;
  53         for (n = 0; n < elementsof(cmd); n++)
  54                 if (procclose(procopen(cmd[n], av, NiL, NiL, 0)) != -1)
  55                         break;
  56         n = errno;
  57         if (access(path, F_OK) < 0)
  58         {
  59                 errno = n;
  60                 return(0);
  61         }
  62         errno = EPERM;
  63         return(-1);
  64 }
  65
  66 #endif