245 lines
8.5 KiB
C++
245 lines
8.5 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2023 Cppcheck team.
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*
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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 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, see <http://www.gnu.org/licenses/>.
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*/
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#include "filelister.h"
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#include "path.h"
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#include "pathmatch.h"
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#include "utils.h"
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#include <cstddef>
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#include <cstring>
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// fix NAME_MAX not found on macOS GCC8.1
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#include <climits>
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#include <memory>
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#ifdef _WIN32
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///////////////////////////////////////////////////////////////////////////////
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////// This code is WIN32 systems /////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////
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#include <windows.h>
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#include <shlwapi.h>
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// Here is the catch: cppcheck core is Ansi code (using char type).
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// When compiling Unicode targets WinAPI automatically uses *W Unicode versions
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// of called functions. Thus, we explicitly call *A versions of the functions.
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std::string FileLister::recursiveAddFiles(std::map<std::string, std::size_t> &files, const std::string &path, const std::set<std::string> &extra, const PathMatch& ignored)
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{
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return addFiles(files, path, extra, true, ignored);
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}
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std::string FileLister::addFiles(std::map<std::string, std::size_t> &files, const std::string &path, const std::set<std::string> &extra, bool recursive, const PathMatch& ignored)
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{
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if (path.empty())
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return "no path specified";
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const std::string cleanedPath = Path::toNativeSeparators(path);
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// basedir is the base directory which is used to form pathnames.
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// It always has a trailing backslash available for concatenation.
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std::string basedir;
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// searchPattern is the search string passed into FindFirst and FindNext.
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std::string searchPattern = cleanedPath;
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// The user wants to check all files in a dir
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const bool checkAllFilesInDir = Path::isDirectory(cleanedPath);
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if (checkAllFilesInDir) {
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const char c = cleanedPath.back();
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switch (c) {
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case '\\':
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searchPattern += '*';
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basedir = cleanedPath;
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break;
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case '*':
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basedir = cleanedPath.substr(0, cleanedPath.length() - 1);
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break;
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default:
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searchPattern += "\\*";
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if (cleanedPath != ".")
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basedir = cleanedPath + '\\';
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}
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} else {
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const std::string::size_type pos = cleanedPath.find_last_of('\\');
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if (std::string::npos != pos) {
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basedir = cleanedPath.substr(0, pos + 1);
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}
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}
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WIN32_FIND_DATAA ffd;
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HANDLE hFind = FindFirstFileA(searchPattern.c_str(), &ffd);
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if (INVALID_HANDLE_VALUE == hFind) {
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const DWORD err = GetLastError();
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if (err == ERROR_FILE_NOT_FOUND) {
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// no files matched
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return "";
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}
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return "finding files failed. Search pattern: '" + searchPattern + "'. (error: " + std::to_string(err) + ")";
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}
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std::unique_ptr<void, decltype(&FindClose)> hFind_deleter(hFind, FindClose);
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do {
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if (ffd.cFileName[0] != '.' && ffd.cFileName[0] != '\0')
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{
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const char* ansiFfd = ffd.cFileName;
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if (std::strchr(ansiFfd,'?')) {
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ansiFfd = ffd.cAlternateFileName;
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}
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const std::string fname(basedir + ansiFfd);
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if ((ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == 0) {
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// File
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if ((!checkAllFilesInDir || Path::acceptFile(fname, extra)) && !ignored.match(fname)) {
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const std::string nativename = Path::fromNativeSeparators(fname);
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// Limitation: file sizes are assumed to fit in a 'size_t'
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#ifdef _WIN64
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files[nativename] = (static_cast<std::size_t>(ffd.nFileSizeHigh) << 32) | ffd.nFileSizeLow;
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#else
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files[nativename] = ffd.nFileSizeLow;
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#endif
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}
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} else {
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// Directory
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if (recursive) {
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if (!ignored.match(fname)) {
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std::string err = FileLister::recursiveAddFiles(files, fname, extra, ignored);
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if (!err.empty())
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return err;
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}
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}
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}
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}
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if (!FindNextFileA(hFind, &ffd)) {
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const DWORD err = GetLastError();
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// no more files matched
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if (err != ERROR_NO_MORE_FILES)
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return "failed to get next file (error: " + std::to_string(err) + ")";
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break;
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}
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} while (true);
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return "";
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}
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#else
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///////////////////////////////////////////////////////////////////////////////
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////// This code is POSIX-style systems ///////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////
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#if defined(__CYGWIN__)
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#undef __STRICT_ANSI__
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#endif
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#include <dirent.h>
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#include <sys/stat.h>
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#include <cerrno>
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#ifndef NAME_MAX
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#ifdef MAXNAMLEN
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#define NAME_MAX MAXNAMLEN
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#endif
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#endif
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static std::string addFiles2(std::map<std::string, std::size_t> &files,
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const std::string &path,
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const std::set<std::string> &extra,
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bool recursive,
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const PathMatch& ignored
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)
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{
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if (ignored.match(path))
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return "";
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struct stat file_stat;
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if (stat(path.c_str(), &file_stat) != -1) {
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if ((file_stat.st_mode & S_IFMT) == S_IFDIR) {
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DIR * dir = opendir(path.c_str());
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if (!dir) {
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const int err = errno;
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return "could not open directory '" + path + "' (errno: " + std::to_string(err) + ")";
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}
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std::unique_ptr<DIR, decltype(&closedir)> dir_deleter(dir, closedir);
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std::string new_path = path;
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new_path += '/';
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while (const dirent* dir_result = readdir(dir)) {
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if ((std::strcmp(dir_result->d_name, ".") == 0) ||
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(std::strcmp(dir_result->d_name, "..") == 0))
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continue;
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new_path.erase(path.length() + 1);
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new_path += dir_result->d_name;
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#if defined(_DIRENT_HAVE_D_TYPE) || defined(_BSD_SOURCE)
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const bool path_is_directory = (dir_result->d_type == DT_DIR || (dir_result->d_type == DT_UNKNOWN && Path::isDirectory(new_path)));
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#else
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const bool path_is_directory = Path::isDirectory(new_path);
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#endif
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if (path_is_directory) {
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if (recursive && !ignored.match(new_path)) {
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std::string err = addFiles2(files, new_path, extra, recursive, ignored);
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if (!err.empty()) {
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return err;
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}
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}
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} else {
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if (Path::acceptFile(new_path, extra) && !ignored.match(new_path)) {
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if (stat(new_path.c_str(), &file_stat) != -1)
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files[new_path] = file_stat.st_size;
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else {
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const int err = errno;
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return "could not stat file '" + new_path + "' (errno: " + std::to_string(err) + ")";
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}
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}
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}
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}
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} else
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files[path] = file_stat.st_size;
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}
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return "";
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}
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std::string FileLister::recursiveAddFiles(std::map<std::string, std::size_t> &files, const std::string &path, const std::set<std::string> &extra, const PathMatch& ignored)
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{
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return addFiles(files, path, extra, true, ignored);
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}
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std::string FileLister::addFiles(std::map<std::string, std::size_t> &files, const std::string &path, const std::set<std::string> &extra, bool recursive, const PathMatch& ignored)
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{
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if (path.empty())
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return "no path specified";
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std::string corrected_path = path;
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if (endsWith(corrected_path, '/'))
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corrected_path.erase(corrected_path.end() - 1);
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return addFiles2(files, corrected_path, extra, recursive, ignored);
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}
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#endif
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