ardour/libs/pbd/clear_dir.cc
2014-08-17 18:39:30 -04:00

135 lines
3.3 KiB
C++

/*
Copyright (C) 2012 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifdef COMPILER_MSVC
#include <io.h> // Microsoft's nearest equivalent to <unistd.h>
using PBD::readdir;
using PBD::opendir;
using PBD::closedir;
#else
#include <dirent.h>
#include <unistd.h>
#endif
#include <string>
#include <sys/stat.h>
#include <errno.h>
#include <string.h>
#include <glib/gstdio.h>
#include <glibmm/miscutils.h>
#include "pbd/error.h"
#include "pbd/compose.h"
#include "pbd/clear_dir.h"
#include "pbd/file_utils.h"
#include "i18n.h"
using namespace PBD;
using namespace std;
int
remove_directory_internal (const string& dir, size_t* size, vector<string>* paths,
bool just_remove_files)
{
vector<string> tmp_paths;
struct stat statbuf;
int ret = 0;
get_directory_contents (dir, tmp_paths, just_remove_files, true);
for (vector<string>::const_iterator i = tmp_paths.begin();
i != tmp_paths.end(); ++i) {
if (g_stat (i->c_str(), &statbuf)) {
continue;
}
if (::g_remove (i->c_str())) {
error << string_compose (_("cannot remove path %1 (%2)"), *i, strerror (errno))
<< endmsg;
ret = 1;
}
if (paths) {
paths->push_back (Glib::path_get_basename(*i));
}
if (size) {
*size += statbuf.st_size;
}
}
return ret;
}
int
PBD::clear_directory (const string& dir, size_t* size, vector<string>* paths)
{
return remove_directory_internal (dir, size, paths, true);
}
// rm -rf <dir> -- used to remove saved plugin state
#ifdef USE_WAVES_RMDIR_IMPLEMENTATION
void
PBD::remove_directory (const std::string& dir) {
DIR* dead;
struct dirent* dentry;
struct stat statbuf;
if ((dead = ::opendir (dir.c_str())) == 0) {
return;
}
while ((dentry = ::readdir (dead)) != 0) {
if(!strcmp(dentry->d_name, ".") || !strcmp(dentry->d_name, "..")) {
continue;
}
string fullpath = Glib::build_filename (dir, dentry->d_name);
if (::stat (fullpath.c_str(), &statbuf)) {
continue;
}
if (S_ISDIR (statbuf.st_mode)) {
remove_directory(fullpath);
continue;
}
if (::g_unlink (fullpath.c_str())) {
error << string_compose (_("cannot remove file %1 (%2)"), fullpath, strerror (errno)) << endmsg;
}
}
if (::g_rmdir(dir.c_str())) {
error << string_compose (_("cannot remove directory %1 (%2)"), dir, strerror (errno)) << endmsg;
}
::closedir (dead);
}
#else
void
PBD::remove_directory (const std::string& dir)
{
remove_directory_internal (dir, 0, 0, false);
}
#endif