Tim Mayberry
8ddd12a60d
Windows headers define SearchPath which means we have to undefine it where necessary. This is a pain and can be tricksy, so I feel renaming the class slightly is the easiest solution.
261 lines
6.1 KiB
C++
261 lines
6.1 KiB
C++
/*
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Copyright (C) 2007 Tim Mayberry
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <algorithm>
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#include <vector>
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#include <glib.h>
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#include <glib/gstdio.h>
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#ifdef COMPILER_MINGW
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#include <io.h> // For W_OK
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#endif
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#include <glibmm/fileutils.h>
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#include <glibmm/miscutils.h>
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#include <glibmm/pattern.h>
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#include <giomm/file.h>
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#include "pbd/compose.h"
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#include "pbd/file_utils.h"
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#include "pbd/debug.h"
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#include "pbd/error.h"
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#include "pbd/pathscanner.h"
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#include "pbd/stl_delete.h"
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#include "i18n.h"
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using namespace std;
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namespace PBD {
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void
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get_files_in_directory (const std::string& directory_path, vector<string>& result)
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{
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if (!Glib::file_test (directory_path, Glib::FILE_TEST_IS_DIR)) return;
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try
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{
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Glib::Dir dir(directory_path);
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std::copy(dir.begin(), dir.end(), std::back_inserter(result));
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}
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catch (Glib::FileError& err)
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{
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warning << err.what() << endmsg;
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}
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}
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void
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find_matching_files_in_directory (const std::string& directory,
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const Glib::PatternSpec& pattern,
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vector<std::string>& result)
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{
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vector<string> tmp_files;
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get_files_in_directory (directory, tmp_files);
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result.reserve(tmp_files.size());
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for (vector<string>::iterator file_iter = tmp_files.begin();
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file_iter != tmp_files.end();
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++file_iter)
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{
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if (!pattern.match(*file_iter)) continue;
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std::string full_path(directory);
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full_path = Glib::build_filename (full_path, *file_iter);
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DEBUG_TRACE (
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DEBUG::FileUtils,
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string_compose("Found file %1\n", full_path)
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);
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result.push_back(full_path);
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}
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}
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void
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find_matching_files_in_directories (const vector<std::string>& paths,
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const Glib::PatternSpec& pattern,
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vector<std::string>& result)
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{
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for (vector<std::string>::const_iterator path_iter = paths.begin();
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path_iter != paths.end();
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++path_iter)
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{
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find_matching_files_in_directory (*path_iter, pattern, result);
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}
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}
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void
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find_matching_files_in_search_path (const Searchpath& search_path,
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const Glib::PatternSpec& pattern,
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vector<std::string>& result)
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{
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find_matching_files_in_directories (search_path, pattern, result);
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}
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bool
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find_file_in_search_path(const Searchpath& search_path,
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const string& filename,
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std::string& result)
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{
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vector<std::string> tmp;
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Glib::PatternSpec tmp_pattern(filename);
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find_matching_files_in_search_path (search_path, tmp_pattern, tmp);
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if (tmp.size() == 0)
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{
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DEBUG_TRACE (
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DEBUG::FileUtils,
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string_compose("No file matching %1 found in Path: %2\n", filename, search_path.to_string())
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);
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return false;
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}
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if (tmp.size() != 1)
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{
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DEBUG_TRACE (
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DEBUG::FileUtils,
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string_compose("Found more that one file matching %1 in Path: %2\n", filename, search_path.to_string())
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);
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}
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result = tmp.front();
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DEBUG_TRACE (
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DEBUG::FileUtils,
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string_compose("Found file %1 in Path: %2\n", filename, search_path.to_string())
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);
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return true;
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}
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bool
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copy_file(const std::string & from_path, const std::string & to_path)
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{
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if (!Glib::file_test (from_path, Glib::FILE_TEST_EXISTS)) return false;
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Glib::RefPtr<Gio::File> from_file = Gio::File::create_for_path(from_path);
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Glib::RefPtr<Gio::File> to_file = Gio::File::create_for_path(to_path);
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try
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{
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from_file->copy (to_file, Gio::FILE_COPY_OVERWRITE);
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}
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catch(const Glib::Exception& ex)
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{
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error << string_compose (_("Unable to Copy file %1 to %2 (%3)"),
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from_path, to_path, ex.what())
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<< endmsg;
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return false;
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}
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return true;
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}
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static
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bool accept_all_files (string const &, void *)
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{
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return true;
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}
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void
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copy_files(const std::string & from_path, const std::string & to_dir)
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{
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PathScanner scanner;
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vector<string*>* files = scanner (from_path, accept_all_files, 0, true, false);
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if (files) {
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for (vector<string*>::iterator i = files->begin(); i != files->end(); ++i) {
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std::string from = Glib::build_filename (from_path, **i);
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std::string to = Glib::build_filename (to_dir, **i);
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copy_file (from, to);
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}
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vector_delete (files);
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}
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}
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std::string
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get_absolute_path (const std::string & p)
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{
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Glib::RefPtr<Gio::File> f = Gio::File::create_for_path (p);
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return f->get_path ();
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}
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bool
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equivalent_paths (const std::string& a, const std::string& b)
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{
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GStatBuf bA;
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int const rA = g_stat (a.c_str(), &bA);
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GStatBuf bB;
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int const rB = g_stat (b.c_str(), &bB);
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return (rA == 0 && rB == 0 && bA.st_dev == bB.st_dev && bA.st_ino == bB.st_ino);
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}
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bool
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path_is_within (std::string const & haystack, std::string needle)
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{
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while (1) {
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if (equivalent_paths (haystack, needle)) {
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return true;
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}
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needle = Glib::path_get_dirname (needle);
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if (needle == "." || needle == "/") {
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break;
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}
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}
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return false;
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}
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bool
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exists_and_writable (const std::string & p)
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{
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/* writable() really reflects the whole folder, but if for any
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reason the session state file can't be written to, still
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make us unwritable.
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*/
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GStatBuf statbuf;
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if (g_stat (p.c_str(), &statbuf) != 0) {
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/* doesn't exist - not writable */
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return false;
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} else {
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if (!(statbuf.st_mode & S_IWUSR)) {
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/* exists and is not writable */
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return false;
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}
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/* filesystem may be mounted read-only, so even though file
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* permissions permit access, the mount status does not.
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* access(2) seems like the best test for this.
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*/
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if (g_access (p.c_str(), W_OK) != 0) {
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return false;
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}
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}
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return true;
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}
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} // namespace PBD
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