daemon/dirhelpers.c

   1 /* -*- Mode: C ; c-basic-offset: 2 -*- */
   2 /*
   3  * LADI Session Handler (ladish)
   4  *
   5  * Copyright (C) 2009 Nedko Arnaudov <nedko@arnaudov.name>
   6  *
   7  **************************************************************************
   8  * This file contains implementation of the directory helper functions
   9  **************************************************************************
  10  *
  11  * LADI Session Handler is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * LADI Session Handler is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
  23  * or write to the Free Software Foundation, Inc.,
  24  * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  25  */
  26
  27 #include "common.h"
  28
  29 #include <sys/types.h>
  30 #include <sys/stat.h>
  31 #include <unistd.h>
  32
  33 bool
  34 ensure_dir_exist(
  35   const char * dirname,
  36   int mode)
  37 {
  38   struct stat st;
  39   if (stat(dirname, &st) != 0)
  40   {
  41     if (errno == ENOENT)
  42     {
  43       lash_info("Directory \"%s\" does not exist. Creating...", dirname);
  44       if (mkdir(dirname, mode) != 0)
  45       {
  46         lash_error("Failed to create \"%s\" directory: %d (%s)", dirname, errno, strerror(errno));
  47         return false;
  48       }
  49     }
  50     else
  51     {
  52       lash_error("Failed to stat \"%s\": %d (%s)", dirname, errno, strerror(errno));
  53       return false;
  54     }
  55   }
  56   else
  57   {
  58     if (!S_ISDIR(st.st_mode))
  59     {
  60       lash_error("\"%s\" exists but is not directory.", dirname);
  61       return false;
  62     }
  63   }
  64
  65   return true;
  66 }