source: trunk/lib/rmdirhier.cc @ 408

Last change on this file since 408 was 408, checked in by Jari Häkkinen, 14 years ago

updating copyright statements

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 2.6 KB
Line 
1// $Id: rmdirhier.cc 408 2007-06-29 10:08:19Z jari $
2
3/*
4  Copyright (C) 2006 Jari Häkkinen, Peter Johansson
5
6  This file is part of svndigest, http://lev.thep.lu.se/trac/svndigest
7
8  svndigest is free software; you can redistribute it and/or modify it
9  under the terms of the GNU General Public License as published by
10  the Free Software Foundation; either version 2 of the License, or
11  (at your option) any later version.
12
13  svndigest is distributed in the hope that it will be useful, but
14  WITHOUT ANY WARRANTY; without even the implied warranty of
15  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  General Public License for more details.
17
18  You should have received a copy of the GNU General Public License
19  along with this program; if not, write to the Free Software
20  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
21  02111-1307, USA.
22*/
23
24#include "rmdirhier.h"
25
26#include <dirent.h>
27#include <fcntl.h>
28#include <iostream>
29#include <sys/stat.h>
30#include <unistd.h>
31
32
33namespace theplu {
34namespace svndigest {
35
36  void rmdirhier(const std::string& path)
37  {
38    int fd=open(".",O_RDONLY);  // remember "original" cwd
39    void rmdirhier__(const std::string&);
40
41    try {
42      rmdirhier__(path);
43    }
44    catch(const BadDirectory& x) {
45      std::cerr << "Invalid directory: " << x.what() << std::endl;
46    }
47    catch(const DirectoryOpenError& x) {
48      std::cerr << "Error opening directory: " << x.what() << std::endl;
49    }
50    catch(const FileDeleteError& x) {
51      std::cerr << "Error deleting file: " << x.what() << std::endl;
52    }
53    catch(const DirectoryDeleteError& x) {
54      std::cerr << "Error deleting directory: " << x.what() << std::endl;
55    }
56    catch(const DirectoryError& x) {
57      std::cerr << "Directory error:" << x.what() << std::endl;
58    }
59
60    fchdir(fd); // return to "original" cwd
61  }
62
63
64  void rmdirhier__(const std::string& dir)
65  {
66    if (chdir(dir.c_str()))
67      throw BadDirectory(dir);
68
69   // Delete any remaining directory entries
70    DIR* dp;
71    struct dirent *entry;
72    if (!(dp=opendir(".")))
73      throw DirectoryOpenError(dir);
74    while ((entry=readdir(dp)) != NULL) {
75      struct stat buf;
76      if ((std::string(entry->d_name) == ".") ||
77          (std::string(entry->d_name) == ".."))
78        continue;
79      stat(entry->d_name,&buf);
80      if (buf.st_mode & S_IFDIR)
81        rmdirhier__(entry->d_name);      // sub-directory
82      else {
83        // Make sure file is removable before removing it
84        chmod(entry->d_name,S_IWRITE);
85        if (unlink(entry->d_name))
86          throw FileDeleteError(entry->d_name);
87      }
88    }
89    closedir(dp);
90
91    // Remove the directory from its parent
92    chdir("..");
93    if (rmdir(dir.c_str()))
94      throw DirectoryDeleteError(dir);
95  }
96
97}} // of namespace svndigest and namespace theplu
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