Head

GCC Code Coverage Report

Directory:	src/		Exec	Total	Coverage
File:	src/fs/virtfs/fsdir.cpp	Lines:	210	258	81.4 %
Date:	2021-03-17	Branches:	157	310	50.6 %


/*
 *  The ManaPlus Client
 *  Copyright (C) 2013-2019  The ManaPlus Developers
 *  Copyright (C) 2019-2021  Andrei Karas
 *
 *  This file is part of The ManaPlus Client.
 *
 *  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
 *  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, see <http://www.gnu.org/licenses/>.
 */

#include "fs/virtfs/fsdir.h"

#include "fs/files.h"
#include "fs/mkdir.h"
#include "fs/paths.h"

#include "fs/virtfs/direntry.h"
#include "fs/virtfs/file.h"
#include "fs/virtfs/fsdirrwops.h"
#include "fs/virtfs/fsfuncs.h"
#include "fs/virtfs/list.h"

#include "utils/cast.h"
#include "utils/checkutils.h"
#include "utils/foreach.h"
#include "utils/stdmove.h"
#include "utils/stringutils.h"

#include <dirent.h>
#include <unistd.h>

#include <sys/types.h>
#include <sys/stat.h>

#include "debug.h"

extern const char *dirSeparator;

namespace VirtFs
{

namespace
{
    std::string mWriteDir;
    std::string mBaseDir;
    std::string mUserDir;
    bool mPermitLinks = false;
    FsFuncs funcs;
}  // namespace

namespace FsDir
{
    File *openInternal(FsEntry *restrict const entry,
                       const std::string &filename,
                       const FILEMTYPE mode)
    {
        const std::string path = static_cast<DirEntry*>(entry)->rootSubDir +
            filename;
        if (Files::existsLocal(path) == false)
            return nullptr;
        FILEHTYPE fd = FILEOPEN(path.c_str(),
            mode);
        if (fd == FILEHDEFAULT)
        {
            reportAlways("VirtFs::open file open error: %s",
                filename.c_str())
            return nullptr;
        }
        return new File(&funcs, fd);
    }

    File *openRead(FsEntry *restrict const entry,
                   std::string filename)
    {
        return openInternal(entry, filename, FILEOPEN_FLAG_READ);
    }

    File *openWrite(FsEntry *restrict const entry,
                    const std::string &filename)
    {
        return openInternal(entry, filename, FILEOPEN_FLAG_WRITE);
    }

    File *openAppend(FsEntry *restrict const entry,
                     const std::string &filename)
    {
        return openInternal(entry, filename, FILEOPEN_FLAG_APPEND);
    }

    void deinit()
    {
    }

#if defined(__native_client__)
    void init(const std::string &restrict name A_UNUSED)
    {
        mBaseDir = "/";
#elif defined(ANDROID)
    void init(const std::string &restrict name A_UNUSED)
    {
        mBaseDir = getRealPath(".");
#else  // defined(__native_client__)

    void init(const std::string &restrict name)
    {
        mBaseDir = getRealPath(getFileDir(name));
#endif  // defined(__native_client__)

        prepareFsPath(mBaseDir);
        mUserDir = getHomePath();
        prepareFsPath(mUserDir);
        initFuncs(&funcs);
    }

    void initFuncs(FsFuncs *restrict const ptr)
    {
        ptr->close = &FsDir::close;
        ptr->read = &FsDir::read;
        ptr->write = &FsDir::write;
        ptr->fileLength = &FsDir::fileLength;
        ptr->tell = &FsDir::tell;
        ptr->seek = &FsDir::seek;
        ptr->eof = &FsDir::eof;
        ptr->exists = &FsDir::exists;
        ptr->getRealDir = &FsDir::getRealDir;
        ptr->enumerate = &FsDir::enumerate;
        ptr->isDirectory = &FsDir::isDirectory;
        ptr->openRead = &FsDir::openRead;
        ptr->openWrite = &FsDir::openWrite;
        ptr->openAppend = &FsDir::openAppend;
        ptr->loadFile = &FsDir::loadFile;
        ptr->getFiles = &FsDir::getFiles;
        ptr->getFilesWithDir = &FsDir::getFilesWithDir;
        ptr->getDirs = &FsDir::getDirs;
        ptr->rwops_seek = &FsDir::rwops_seek;
        ptr->rwops_read = &FsDir::rwops_read;
        ptr->rwops_write = &FsDir::rwops_write;
        ptr->rwops_close = &FsDir::rwops_close;
#ifdef USE_SDL2
        ptr->rwops_size = &FsDir::rwops_size;
#endif  // USE_SDL2
    }

    FsFuncs *getFuncs()
    {
        return &funcs;
    }

    const char *getBaseDir()
    {
        return mBaseDir.c_str();
    }

    const char *getUserDir()
    {
        return mUserDir.c_str();
    }

    bool getRealDir(FsEntry *restrict const entry,
                    std::string filename,
                    std::string dirName A_UNUSED,
                    std::string &realDir)
    {
        const DirEntry *const dirEntry = static_cast<const DirEntry*>(entry);
        if (Files::existsLocal(dirEntry->rootSubDir + filename))
        {
            realDir = dirEntry->userDir;
            return true;
        }
        return false;
    }

    bool exists(FsEntry *restrict const entry,
                std::string fileName,
                std::string dirName A_UNUSED)
    {
        return Files::existsLocal(static_cast<DirEntry*>(entry)->rootSubDir +
            fileName);
    }

    void enumerate(FsEntry *restrict const entry,
                   std::string dirName,
                   StringVect &names)
    {
        const std::string path = static_cast<DirEntry*>(entry)->rootSubDir +
            dirName;
        const dirent *next_file = nullptr;
        DIR *const dir = opendir(path.c_str());
        if (dir != nullptr)
        {
            while ((next_file = readdir(dir)) != nullptr)
            {
                const std::string file = next_file->d_name;
                if (file == "." || file == "..")
                    continue;
#ifndef WIN32
                if (mPermitLinks == false)
                {
                    struct stat statbuf;
                    if (lstat(path.c_str(), &statbuf) == 0 &&
                        S_ISLNK(statbuf.st_mode) != 0)
                    {
                        continue;
                    }
                }
#endif  // WIN32

                bool found(false);
                FOR_EACH (StringVectCIter, itn, names)
                {
                    if (*itn == file)
                    {
                        found = true;
                        break;
                    }
                }
                if (found == false)
                    names.push_back(file);
            }
            closedir(dir);
        }
    }

    bool isDirectory(FsEntry *restrict const entry,
                     std::string dirName,
                     bool &isDirFlag)
    {
        std::string path = static_cast<DirEntry*>(entry)->rootSubDir + dirName;

        struct stat statbuf;
        if (stat(path.c_str(), &statbuf) == 0)
        {
            isDirFlag = (S_ISDIR(statbuf.st_mode) != 0);
            return true;
        }
        return false;
    }

    bool isSymbolicLink(std::string name)
    {
        prepareFsPath(name);
        if (checkPath(name) == false)
        {
            reportAlways("FsDir::isSymbolicLink invalid path: %s",
                name.c_str())
            return false;
        }
#ifndef WIN32
        if (mPermitLinks == false)
            return false;

        struct stat statbuf;
        return lstat(name.c_str(), &statbuf) == 0 &&
            S_ISLNK(statbuf.st_mode) != 0;
#else
        return false;
#endif  // WIN32
    }

    void freeList(List *restrict const handle)
    {
        delete handle;
    }

    bool setWriteDir(std::string newDir)
    {
        prepareFsPath(newDir);
        mWriteDir = STD_MOVE(newDir);
        if (findLast(mWriteDir, std::string(dirSeparator)) == false)
            mWriteDir += dirSeparator;
        return true;
    }

    bool mkdir(std::string dirname)
    {
        prepareFsPath(dirname);
        if (mWriteDir.empty())
        {
            reportAlways("FsDir::mkdir write dir is empty")
            return false;
        }
        return mkdir_r((mWriteDir + dirname).c_str()) != -1;
    }

    bool remove(std::string filename)
    {
        prepareFsPath(filename);
        if (mWriteDir.empty())
        {
            reportAlways("FsDir::remove write dir is empty")
            return false;
        }
        return ::remove((mWriteDir + filename).c_str()) != 0;
    }

    void permitLinks(const bool val)
    {
        mPermitLinks = val;
    }

    int close(File *restrict const file)
    {
        if (file == nullptr)
            return 0;
        delete file;
        return 1;
    }

    int64_t read(File *restrict const file,
                 void *restrict const buffer,
                 const uint32_t objSize,
                 const uint32_t objCount)
    {
        if (file == nullptr)
            return 0;
        FILEHTYPE fd = file->mFd;
        if (fd == FILEHDEFAULT)
        {
            reportAlways("FsDir::read file not opened.")
            return 0;
        }
#ifdef USE_FILE_FOPEN
        return fread(buffer, objSize, objCount, fd);
#else  // USE_FILE_FOPEN
        int max = objSize * objCount;
        int cnt = ::read(fd, buffer, max);
        if (cnt <= 0)
            return cnt;
        return cnt / objSize;
#endif  // USE_FILE_FOPEN
    }

    int64_t write(File *restrict const file,
                  const void *restrict const buffer,
                  const uint32_t objSize,
                  const uint32_t objCount)
    {
        if (file == nullptr)
            return 0;
        FILEHTYPE fd = file->mFd;
        if (fd == FILEHDEFAULT)
        {
            reportAlways("FsDir::write file not opened.")
            return 0;
        }
#ifdef USE_FILE_FOPEN
        return fwrite(buffer, objSize, objCount, fd);
#else  // USE_FILE_FOPEN
        int max = objSize * objCount;
        int cnt = ::write(fd, buffer, max);
        if (cnt <= 0)
            return cnt;
        return cnt / objSize;
#endif  // USE_FILE_FOPEN
    }

    int64_t fileLength(File *restrict const file)
    {
        if (file == nullptr)
            return -1;
        FILEHTYPE fd = file->mFd;
        if (fd == FILEHDEFAULT)
        {
            reportAlways("FsDir::fileLength file not opened.")
            return 0;
        }
#ifdef USE_FILE_FOPEN
        const long pos = ftell(fd);
        if (pos < 0)
        {
            reportAlways("FsDir::fileLength ftell error.")
            return -1;
        }
        fseek(fd, 0, SEEK_END);
        const long sz = ftell(fd);
        fseek(fd, pos, SEEK_SET);
        return sz;
#else  // USE_FILE_FOPEN
        struct stat statbuf;
        if (fstat(fd, &statbuf) == -1)
        {
            reportAlways("FsDir::fileLength error.")
            return -1;
        }
        return static_cast<int64_t>(statbuf.st_size);
#endif  // USE_FILE_FOPEN
    }

    int64_t tell(File *restrict const file)
    {
        if (file == nullptr)
            return -1;

        FILEHTYPE fd = file->mFd;
        if (fd == FILEHDEFAULT)
        {
            reportAlways("FsDir::tell file not opened.")
            return 0;
        }
#ifdef USE_FILE_FOPEN
        return ftell(fd);
#else  // USE_FILE_FOPEN
        return lseek(fd, 0, SEEK_CUR);
#endif  // USE_FILE_FOPEN
    }

    int seek(File *restrict const file,
             const uint64_t pos)
    {
        if (file == nullptr)
            return 0;

        FILEHTYPE fd = file->mFd;
        if (fd == FILEHDEFAULT)
        {
            reportAlways("FsDir::seek file not opened.")
            return 0;
        }
        const int64_t res = FILESEEK(fd, pos, SEEK_SET);
        if (res == -1)
            return 0;
        return 1;
    }

    int eof(File *restrict const file)
    {
        if (file == nullptr)
            return -1;

        FILEHTYPE fd = file->mFd;
        if (fd == FILEHDEFAULT)
        {
            reportAlways("FsDir::eof file not opened.")
            return 0;
        }
#ifdef USE_FILE_FOPEN
        const int flag = feof(fd);
        if (flag != 0)
            return 1;
        const int64_t pos = ftell(fd);
        const int64_t len = fileLength(file);
#else  // USE_FILE_FOPEN
        const int64_t pos = lseek(fd, 0, SEEK_CUR);
        struct stat statbuf;
        if (fstat(fd, &statbuf) == -1)
        {
            reportAlways("FsDir::fileLength error.")
            return -1;
        }
        const int64_t len = static_cast<int64_t>(statbuf.st_size);
#endif  // USE_FILE_FOPEN
        return static_cast<int>(pos < 0 || len < 0 || pos >= len);
    }

    const char *loadFile(FsEntry *restrict const entry,
                         std::string filename,
                         int &restrict fileSize)
    {
        const DirEntry *const dirEntry = static_cast<DirEntry*>(entry);
        const std::string path = dirEntry->rootSubDir + filename;
        if (Files::existsLocal(path) == false)
            return nullptr;
        FILEHTYPE fd = FILEOPEN(path.c_str(),
            FILEOPEN_FLAG_READ);
        if (fd == FILEHDEFAULT)
        {
            reportAlways("VirtFs::loadFile file open error: %s",
                filename.c_str())
            return nullptr;
        }

        logger->log("Loaded %s/%s",
            dirEntry->userDir.c_str(),
            filename.c_str());

#ifdef USE_FILE_FOPEN
        fseek(fd, 0, SEEK_END);
        const long sz = ftell(fd);
        if (sz < 0)
        {
            reportAlways("FsDir::fileLength ftell error.")
            if (fd != FILEHDEFAULT)
                FILECLOSE(fd);
            return nullptr;
        }
        fseek(fd, 0, SEEK_SET);
        fileSize = static_cast<int>(sz);
#else  // USE_FILE_FOPEN
        struct stat statbuf;
        if (fstat(fd, &statbuf) == -1)
        {
            reportAlways("FsDir::fileLength error.")
            if (fd != FILEHDEFAULT)
                FILECLOSE(fd);
            return nullptr;
        }
        fileSize = static_cast<int>(statbuf.st_size);
#endif  // USE_FILE_FOPEN

        // Allocate memory and load the file
        char *restrict const buffer = new char[CAST_SIZE(fileSize)];
        if (fileSize > 0)
            buffer[fileSize - 1] = 0;

#ifdef USE_FILE_FOPEN
        const int cnt = CAST_S32(fread(buffer, 1, fileSize, fd));
#else  // USE_FILE_FOPEN
        const int cnt = ::read(fd, buffer, fileSize);
#endif  // USE_FILE_FOPEN

        if (cnt <= 0)
        {
            delete [] buffer;
            if (fd != FILEHDEFAULT)
                FILECLOSE(fd);
            return nullptr;
        }

        if (fd != FILEHDEFAULT)
            FILECLOSE(fd);

        return buffer;
    }

    void getFiles(FsEntry *restrict const entry,
                  std::string dirName,
                  StringVect &names)
    {
        const std::string path = static_cast<DirEntry*>(entry)->rootSubDir +
            dirName;
        const dirent *next_file = nullptr;
        DIR *const dir = opendir(path.c_str());
        if (dir != nullptr)
        {
            while ((next_file = readdir(dir)) != nullptr)
            {
                struct stat statbuf;
                const std::string file = next_file->d_name;
                if (file == "." || file == "..")
                    continue;
#ifndef WIN32
                if (mPermitLinks == false)
                {
                    if (lstat(path.c_str(), &statbuf) == 0 &&
                        S_ISLNK(statbuf.st_mode) != 0)
                    {
                        continue;
                    }
                }
#endif  // WIN32

                const std::string filePath = pathJoin(path, file);
                if (stat(filePath.c_str(), &statbuf) == 0)
                {
                    if (S_ISDIR(statbuf.st_mode) != 0)
                        continue;
                }

                bool found(false);
                FOR_EACH (StringVectCIter, itn, names)
                {
                    if (*itn == file)
                    {
                        found = true;
                        break;
                    }
                }
                if (found == false)
                    names.push_back(file);
            }
            closedir(dir);
        }
    }

    void getFilesWithDir(FsEntry *restrict const entry,
                         const std::string &dirName,
                         StringVect &names)
    {
        const std::string path = static_cast<DirEntry*>(entry)->rootSubDir +
            dirName;
        const dirent *next_file = nullptr;
        DIR *const dir = opendir(path.c_str());
        if (dir != nullptr)
        {
            while ((next_file = readdir(dir)) != nullptr)
            {
                struct stat statbuf;
                const std::string file = next_file->d_name;
                if (file == "." || file == "..")
                    continue;
#ifndef WIN32
                if (mPermitLinks == false)
                {
                    if (lstat(path.c_str(), &statbuf) == 0 &&
                        S_ISLNK(statbuf.st_mode) != 0)
                    {
                        continue;
                    }
                }
#endif  // WIN32

                const std::string filePath = pathJoin(path, file);
                if (stat(filePath.c_str(), &statbuf) == 0)
                {
                    if (S_ISDIR(statbuf.st_mode) != 0)
                        continue;
                }

                bool found(false);
                FOR_EACH (StringVectCIter, itn, names)
                {
                    if (*itn == file)
                    {
                        found = true;
                        break;
                    }
                }
                if (found == false)
                    names.push_back(pathJoin(dirName, file));
            }
            closedir(dir);
        }
    }

    void getDirs(FsEntry *restrict const entry,
                 std::string dirName,
                 StringVect &names)
    {
        const std::string path = static_cast<DirEntry*>(entry)->rootSubDir +
            dirName;
        const dirent *next_file = nullptr;
        DIR *const dir = opendir(path.c_str());
        if (dir != nullptr)
        {
            while ((next_file = readdir(dir)) != nullptr)
            {
                struct stat statbuf;
                const std::string file = next_file->d_name;
                if (file == "." || file == "..")
                    continue;
#ifndef WIN32
                if (mPermitLinks == false)
                {
                    if (lstat(path.c_str(), &statbuf) == 0 &&
                        S_ISLNK(statbuf.st_mode) != 0)
                    {
                        continue;
                    }
                }
#endif  // WIN32

                const std::string filePath = pathJoin(path, file);
                if (stat(filePath.c_str(), &statbuf) == 0)
                {
                    if (S_ISDIR(statbuf.st_mode) == 0)
                        continue;
                }

                bool found(false);
                FOR_EACH (StringVectCIter, itn, names)
                {
                    if (*itn == file)
                    {
                        found = true;
                        break;
                    }
                }
                if (found == false)
                    names.push_back(file);
            }
            closedir(dir);
        }
    }
}  // namespace FsDir

}  // namespace VirtFs


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/*
2			* The ManaPlus Client
3			* Copyright (C) 2013-2019 The ManaPlus Developers
4			* Copyright (C) 2019-2021 Andrei Karas
5			*
6			* This file is part of The ManaPlus Client.
7			*
8			* This program is free software; you can redistribute it and/or modify
9			* it 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			* any later version.
12			*
13			* This program is distributed in the hope that it will be useful,
14			* but WITHOUT ANY WARRANTY; without even the implied warranty of
15			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16			* GNU 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, see <http://www.gnu.org/licenses/>.
20			*/
21
22			#include "fs/virtfs/fsdir.h"
23
24			#include "fs/files.h"
25			#include "fs/mkdir.h"
26			#include "fs/paths.h"
27
28			#include "fs/virtfs/direntry.h"
29			#include "fs/virtfs/file.h"
30			#include "fs/virtfs/fsdirrwops.h"
31			#include "fs/virtfs/fsfuncs.h"
32			#include "fs/virtfs/list.h"
33
34			#include "utils/cast.h"
35			#include "utils/checkutils.h"
36			#include "utils/foreach.h"
37			#include "utils/stdmove.h"
38			#include "utils/stringutils.h"
39
40			#include <dirent.h>
41			#include <unistd.h>
42
43			#include <sys/types.h>
44			#include <sys/stat.h>
45
46			#include "debug.h"
47
48			extern const char *dirSeparator;
49
50			namespace VirtFs
51			{
52
53			namespace
54			{
55		1	std::string mWriteDir;
56		1	std::string mBaseDir;
57		1	std::string mUserDir;
58			bool mPermitLinks = false;
59			FsFuncs funcs;
60			} // namespace
61
62			namespace FsDir
63			{
64		3984	File openInternal(FsEntry restrict const entry,
65			const std::string &filename,
66			const FILEMTYPE mode)
67			{
68			const std::string path = static_cast<DirEntry*>(entry)->rootSubDir +
69		7968	filename;
70	✓✗✓✓	3984	if (Files::existsLocal(path) == false)
71			return nullptr;
72	✓✗	2337	FILEHTYPE fd = FILEOPEN(path.c_str(),
73			mode);
74	✗✓	2337	if (fd == FILEHDEFAULT)
75			{
76			reportAlways("VirtFs::open file open error: %s",
77			filename.c_str())
78			return nullptr;
79			}
80	✓✗✓✗	2337	return new File(&funcs, fd);
81			}
82
83		3984	File openRead(FsEntry restrict const entry,
84			std::string filename)
85			{
86		3984	return openInternal(entry, filename, FILEOPEN_FLAG_READ);
87			}
88
89			File openWrite(FsEntry restrict const entry,
90			const std::string &filename)
91			{
92			return openInternal(entry, filename, FILEOPEN_FLAG_WRITE);
93			}
94
95			File openAppend(FsEntry restrict const entry,
96			const std::string &filename)
97			{
98			return openInternal(entry, filename, FILEOPEN_FLAG_APPEND);
99			}
100
101		119	void deinit()
102			{
103		119	}
104
105			#if defined(__native_client__)
106			void init(const std::string &restrict name A_UNUSED)
107			{
108			mBaseDir = "/";
109			#elif defined(ANDROID)
110			void init(const std::string &restrict name A_UNUSED)
111			{
112			mBaseDir = getRealPath(".");
113			#else // defined(__native_client__)
114
115		120	void init(const std::string &restrict name)
116			{
117	✓✗	360	mBaseDir = getRealPath(getFileDir(name));
118			#endif // defined(__native_client__)
119
120		120	prepareFsPath(mBaseDir);
121		240	mUserDir = getHomePath();
122		120	prepareFsPath(mUserDir);
123		120	initFuncs(&funcs);
124		120	}
125
126			void initFuncs(FsFuncs *restrict const ptr)
127			{
128		120	ptr->close = &FsDir::close;
129		120	ptr->read = &FsDir::read;
130		120	ptr->write = &FsDir::write;
131		120	ptr->fileLength = &FsDir::fileLength;
132		120	ptr->tell = &FsDir::tell;
133		120	ptr->seek = &FsDir::seek;
134		120	ptr->eof = &FsDir::eof;
135		120	ptr->exists = &FsDir::exists;
136		120	ptr->getRealDir = &FsDir::getRealDir;
137		120	ptr->enumerate = &FsDir::enumerate;
138		120	ptr->isDirectory = &FsDir::isDirectory;
139		120	ptr->openRead = &FsDir::openRead;
140		120	ptr->openWrite = &FsDir::openWrite;
141		120	ptr->openAppend = &FsDir::openAppend;
142		120	ptr->loadFile = &FsDir::loadFile;
143		120	ptr->getFiles = &FsDir::getFiles;
144		120	ptr->getFilesWithDir = &FsDir::getFilesWithDir;
145		120	ptr->getDirs = &FsDir::getDirs;
146		120	ptr->rwops_seek = &FsDir::rwops_seek;
147		120	ptr->rwops_read = &FsDir::rwops_read;
148		120	ptr->rwops_write = &FsDir::rwops_write;
149		120	ptr->rwops_close = &FsDir::rwops_close;
150			#ifdef USE_SDL2
151		120	ptr->rwops_size = &FsDir::rwops_size;
152			#endif // USE_SDL2
153			}
154
155		510	FsFuncs *getFuncs()
156			{
157		510	return &funcs;
158			}
159
160		293	const char *getBaseDir()
161			{
162		293	return mBaseDir.c_str();
163			}
164
165		583	const char *getUserDir()
166			{
167		583	return mUserDir.c_str();
168			}
169
170		69	bool getRealDir(FsEntry *restrict const entry,
171			std::string filename,
172			std::string dirName A_UNUSED,
173			std::string &realDir)
174			{
175		69	const DirEntry const dirEntry = static_cast<const DirEntry>(entry);
176	✓✗✓✓	138	if (Files::existsLocal(dirEntry->rootSubDir + filename))
177			{
178		70	realDir = dirEntry->userDir;
179		35	return true;
180			}
181			return false;
182			}
183
184		8411	bool exists(FsEntry *restrict const entry,
185			std::string fileName,
186			std::string dirName A_UNUSED)
187			{
188		16822	return Files::existsLocal(static_cast<DirEntry*>(entry)->rootSubDir +
189	✓✗	16822	fileName);
190			}
191
192		23	void enumerate(FsEntry *restrict const entry,
193			std::string dirName,
194			StringVect &names)
195			{
196			const std::string path = static_cast<DirEntry*>(entry)->rootSubDir +
197		46	dirName;
198		23	const dirent *next_file = nullptr;
199	✓✗	23	DIR *const dir = opendir(path.c_str());
200	✓✓	23	if (dir != nullptr)
201			{
202	✓✗✓✓	328	while ((next_file = readdir(dir)) != nullptr)
203			{
204	✓✗	1210	const std::string file = next_file->d_name;
205	✓✓✓✓ ✓✓	605	if (file == "." \|\| file == "..")
206		34	continue;
207			#ifndef WIN32
208	✓✓	277	if (mPermitLinks == false)
209			{
210			struct stat statbuf;
211	✓✗✓✗ ✓✗	651	if (lstat(path.c_str(), &statbuf) == 0 &&
212		217	S_ISLNK(statbuf.st_mode) != 0)
213			{
214			continue;
215			}
216			}
217			#endif // WIN32
218
219		277	bool found(false);
220	✓✓	4625	FOR_EACH (StringVectCIter, itn, names)
221			{
222	✓✓	3245	if (*itn == file)
223			{
224			found = true;
225			break;
226			}
227			}
228	✓✓	277	if (found == false)
229	✓✗	272	names.push_back(file);
230			}
231	✓✗	17	closedir(dir);
232			}
233		23	}
234
235		888	bool isDirectory(FsEntry *restrict const entry,
236			std::string dirName,
237			bool &isDirFlag)
238			{
239		1776	std::string path = static_cast<DirEntry*>(entry)->rootSubDir + dirName;
240
241			struct stat statbuf;
242	✓✓	1776	if (stat(path.c_str(), &statbuf) == 0)
243			{
244		464	isDirFlag = (S_ISDIR(statbuf.st_mode) != 0);
245		464	return true;
246			}
247			return false;
248			}
249
250			bool isSymbolicLink(std::string name)
251			{
252			prepareFsPath(name);
253			if (checkPath(name) == false)
254			{
255			reportAlways("FsDir::isSymbolicLink invalid path: %s",
256			name.c_str())
257			return false;
258			}
259			#ifndef WIN32
260			if (mPermitLinks == false)
261			return false;
262
263			struct stat statbuf;
264			return lstat(name.c_str(), &statbuf) == 0 &&
265			S_ISLNK(statbuf.st_mode) != 0;
266			#else
267			return false;
268			#endif // WIN32
269			}
270
271			void freeList(List *restrict const handle)
272			{
273			delete handle;
274			}
275
276			bool setWriteDir(std::string newDir)
277			{
278			prepareFsPath(newDir);
279			mWriteDir = STD_MOVE(newDir);
280			if (findLast(mWriteDir, std::string(dirSeparator)) == false)
281			mWriteDir += dirSeparator;
282			return true;
283			}
284
285			bool mkdir(std::string dirname)
286			{
287			prepareFsPath(dirname);
288			if (mWriteDir.empty())
289			{
290			reportAlways("FsDir::mkdir write dir is empty")
291			return false;
292			}
293			return mkdir_r((mWriteDir + dirname).c_str()) != -1;
294			}
295
296			bool remove(std::string filename)
297			{
298			prepareFsPath(filename);
299			if (mWriteDir.empty())
300			{
301			reportAlways("FsDir::remove write dir is empty")
302			return false;
303			}
304			return ::remove((mWriteDir + filename).c_str()) != 0;
305			}
306
307		20	void permitLinks(const bool val)
308			{
309		20	mPermitLinks = val;
310		20	}
311
312		18	int close(File *restrict const file)
313			{
314	✓✗	18	if (file == nullptr)
315			return 0;
316		18	delete file;
317		18	return 1;
318			}
319
320		6	int64_t read(File *restrict const file,
321			void *restrict const buffer,
322			const uint32_t objSize,
323			const uint32_t objCount)
324			{
325	✓✗	6	if (file == nullptr)
326			return 0;
327		6	FILEHTYPE fd = file->mFd;
328	✗✓	6	if (fd == FILEHDEFAULT)
329			{
330			reportAlways("FsDir::read file not opened.")
331			return 0;
332			}
333			#ifdef USE_FILE_FOPEN
334		12	return fread(buffer, objSize, objCount, fd);
335			#else // USE_FILE_FOPEN
336			int max = objSize * objCount;
337			int cnt = ::read(fd, buffer, max);
338			if (cnt <= 0)
339			return cnt;
340			return cnt / objSize;
341			#endif // USE_FILE_FOPEN
342			}
343
344			int64_t write(File *restrict const file,
345			const void *restrict const buffer,
346			const uint32_t objSize,
347			const uint32_t objCount)
348			{
349			if (file == nullptr)
350			return 0;
351			FILEHTYPE fd = file->mFd;
352			if (fd == FILEHDEFAULT)
353			{
354			reportAlways("FsDir::write file not opened.")
355			return 0;
356			}
357			#ifdef USE_FILE_FOPEN
358			return fwrite(buffer, objSize, objCount, fd);
359			#else // USE_FILE_FOPEN
360			int max = objSize * objCount;
361			int cnt = ::write(fd, buffer, max);
362			if (cnt <= 0)
363			return cnt;
364			return cnt / objSize;
365			#endif // USE_FILE_FOPEN
366			}
367
368		15	int64_t fileLength(File *restrict const file)
369			{
370	✓✗	15	if (file == nullptr)
371			return -1;
372		15	FILEHTYPE fd = file->mFd;
373	✗✓	15	if (fd == FILEHDEFAULT)
374			{
375			reportAlways("FsDir::fileLength file not opened.")
376			return 0;
377			}
378			#ifdef USE_FILE_FOPEN
379		15	const long pos = ftell(fd);
380	✗✓	15	if (pos < 0)
381			{
382			reportAlways("FsDir::fileLength ftell error.")
383			return -1;
384			}
385		15	fseek(fd, 0, SEEK_END);
386		15	const long sz = ftell(fd);
387		15	fseek(fd, pos, SEEK_SET);
388		15	return sz;
389			#else // USE_FILE_FOPEN
390			struct stat statbuf;
391			if (fstat(fd, &statbuf) == -1)
392			{
393			reportAlways("FsDir::fileLength error.")
394			return -1;
395			}
396			return static_cast<int64_t>(statbuf.st_size);
397			#endif // USE_FILE_FOPEN
398			}
399
400		6	int64_t tell(File *restrict const file)
401			{
402	✓✗	6	if (file == nullptr)
403			return -1;
404
405		6	FILEHTYPE fd = file->mFd;
406	✗✓	6	if (fd == FILEHDEFAULT)
407			{
408			reportAlways("FsDir::tell file not opened.")
409			return 0;
410			}
411			#ifdef USE_FILE_FOPEN
412		6	return ftell(fd);
413			#else // USE_FILE_FOPEN
414			return lseek(fd, 0, SEEK_CUR);
415			#endif // USE_FILE_FOPEN
416			}
417
418		3	int seek(File *restrict const file,
419			const uint64_t pos)
420			{
421	✓✗	3	if (file == nullptr)
422			return 0;
423
424		3	FILEHTYPE fd = file->mFd;
425	✗✓	3	if (fd == FILEHDEFAULT)
426			{
427			reportAlways("FsDir::seek file not opened.")
428			return 0;
429			}
430		3	const int64_t res = FILESEEK(fd, pos, SEEK_SET);
431	✓✗	3	if (res == -1)
432			return 0;
433		3	return 1;
434			}
435
436		9	int eof(File *restrict const file)
437			{
438	✓✗	9	if (file == nullptr)
439			return -1;
440
441		9	FILEHTYPE fd = file->mFd;
442	✗✓	9	if (fd == FILEHDEFAULT)
443			{
444			reportAlways("FsDir::eof file not opened.")
445			return 0;
446			}
447			#ifdef USE_FILE_FOPEN
448		9	const int flag = feof(fd);
449	✓✗	9	if (flag != 0)
450			return 1;
451		9	const int64_t pos = ftell(fd);
452		9	const int64_t len = fileLength(file);
453			#else // USE_FILE_FOPEN
454			const int64_t pos = lseek(fd, 0, SEEK_CUR);
455			struct stat statbuf;
456			if (fstat(fd, &statbuf) == -1)
457			{
458			reportAlways("FsDir::fileLength error.")
459			return -1;
460			}
461			const int64_t len = static_cast<int64_t>(statbuf.st_size);
462			#endif // USE_FILE_FOPEN
463	✓✗✓✓	9	return static_cast<int>(pos < 0 \|\| len < 0 \|\| pos >= len);
464			}
465
466		4296	const char loadFile(FsEntry restrict const entry,
467			std::string filename,
468			int &restrict fileSize)
469			{
470		4296	const DirEntry const dirEntry = static_cast<DirEntry>(entry);
471		8592	const std::string path = dirEntry->rootSubDir + filename;
472	✓✗✓✓	4296	if (Files::existsLocal(path) == false)
473			return nullptr;
474	✓✗	2422	FILEHTYPE fd = FILEOPEN(path.c_str(),
475			FILEOPEN_FLAG_READ);
476	✗✓	2422	if (fd == FILEHDEFAULT)
477			{
478			reportAlways("VirtFs::loadFile file open error: %s",
479			filename.c_str())
480			return nullptr;
481			}
482
483		4844	logger->log("Loaded %s/%s",
484			dirEntry->userDir.c_str(),
485	✓✗	2422	filename.c_str());
486
487			#ifdef USE_FILE_FOPEN
488		2422	fseek(fd, 0, SEEK_END);
489	✓✗	2422	const long sz = ftell(fd);
490	✗✓	2422	if (sz < 0)
491			{
492			reportAlways("FsDir::fileLength ftell error.")
493			if (fd != FILEHDEFAULT)
494			FILECLOSE(fd);
495			return nullptr;
496			}
497		2422	fseek(fd, 0, SEEK_SET);
498		2422	fileSize = static_cast<int>(sz);
499			#else // USE_FILE_FOPEN
500			struct stat statbuf;
501			if (fstat(fd, &statbuf) == -1)
502			{
503			reportAlways("FsDir::fileLength error.")
504			if (fd != FILEHDEFAULT)
505			FILECLOSE(fd);
506			return nullptr;
507			}
508			fileSize = static_cast<int>(statbuf.st_size);
509			#endif // USE_FILE_FOPEN
510
511			// Allocate memory and load the file
512	✓✗	2422	char *restrict const buffer = new char[CAST_SIZE(fileSize)];
513	✓✗	2422	if (fileSize > 0)
514		2422	buffer[fileSize - 1] = 0;
515
516			#ifdef USE_FILE_FOPEN
517		4844	const int cnt = CAST_S32(fread(buffer, 1, fileSize, fd));
518			#else // USE_FILE_FOPEN
519			const int cnt = ::read(fd, buffer, fileSize);
520			#endif // USE_FILE_FOPEN
521
522	✗✓	2422	if (cnt <= 0)
523			{
524			delete [] buffer;
525			if (fd != FILEHDEFAULT)
526			FILECLOSE(fd);
527			return nullptr;
528			}
529
530			if (fd != FILEHDEFAULT)
531	✓✗	2422	FILECLOSE(fd);
532
533			return buffer;
534			}
535
536		13	void getFiles(FsEntry *restrict const entry,
537			std::string dirName,
538			StringVect &names)
539			{
540			const std::string path = static_cast<DirEntry*>(entry)->rootSubDir +
541		26	dirName;
542		13	const dirent *next_file = nullptr;
543	✓✗	13	DIR *const dir = opendir(path.c_str());
544	✓✓	13	if (dir != nullptr)
545			{
546	✓✗✓✓	339	while ((next_file = readdir(dir)) != nullptr)
547			{
548			struct stat statbuf;
549	✓✗	1261	const std::string file = next_file->d_name;
550	✓✓✓✓ ✓✓	645	if (file == "." \|\| file == "..")
551		51	continue;
552			#ifndef WIN32
553	✓✓	306	if (mPermitLinks == false)
554			{
555	✓✗✓✗ ✓✗	540	if (lstat(path.c_str(), &statbuf) == 0 &&
556		180	S_ISLNK(statbuf.st_mode) != 0)
557			{
558			continue;
559			}
560			}
561			#endif // WIN32
562
563	✓✗	889	const std::string filePath = pathJoin(path, file);
564	✓✗	612	if (stat(filePath.c_str(), &statbuf) == 0)
565			{
566	✓✓✓✓	306	if (S_ISDIR(statbuf.st_mode) != 0)
567			continue;
568			}
569
570		277	bool found(false);
571	✓✓	4816	FOR_EACH (StringVectCIter, itn, names)
572			{
573	✓✗	3431	if (*itn == file)
574			{
575			found = true;
576			break;
577			}
578			}
579	✓✗	277	if (found == false)
580	✓✗	277	names.push_back(file);
581			}
582	✓✗	11	closedir(dir);
583			}
584		13	}
585
586		173	void getFilesWithDir(FsEntry *restrict const entry,
587			const std::string &dirName,
588			StringVect &names)
589			{
590			const std::string path = static_cast<DirEntry*>(entry)->rootSubDir +
591		346	dirName;
592		173	const dirent *next_file = nullptr;
593	✓✗	173	DIR *const dir = opendir(path.c_str());
594	✓✓	173	if (dir != nullptr)
595			{
596	✓✗✓✓	137	while ((next_file = readdir(dir)) != nullptr)
597			{
598			struct stat statbuf;
599	✓✗	485	const std::string file = next_file->d_name;
600	✓✓✓✓ ✓✓	247	if (file == "." \|\| file == "..")
601		27	continue;
602			#ifndef WIN32
603	✓✗	110	if (mPermitLinks == false)
604			{
605	✓✗✓✗ ✓✗	330	if (lstat(path.c_str(), &statbuf) == 0 &&
606		110	S_ISLNK(statbuf.st_mode) != 0)
607			{
608			continue;
609			}
610			}
611			#endif // WIN32
612
613	✓✗	321	const std::string filePath = pathJoin(path, file);
614	✓✗	220	if (stat(filePath.c_str(), &statbuf) == 0)
615			{
616	✓✓✓✓	110	if (S_ISDIR(statbuf.st_mode) != 0)
617			continue;
618			}
619
620		101	bool found(false);
621	✓✓	1266	FOR_EACH (StringVectCIter, itn, names)
622			{
623	✓✗	761	if (*itn == file)
624			{
625			found = true;
626			break;
627			}
628			}
629	✓✗	101	if (found == false)
630	✓✗	404	names.push_back(pathJoin(dirName, file));
631			}
632	✓✗	9	closedir(dir);
633			}
634		173	}
635
636		10	void getDirs(FsEntry *restrict const entry,
637			std::string dirName,
638			StringVect &names)
639			{
640			const std::string path = static_cast<DirEntry*>(entry)->rootSubDir +
641		20	dirName;
642		10	const dirent *next_file = nullptr;
643	✓✗	10	DIR *const dir = opendir(path.c_str());
644	✓✓	10	if (dir != nullptr)
645			{
646	✓✗✓✓	139	while ((next_file = readdir(dir)) != nullptr)
647			{
648			struct stat statbuf;
649	✓✗	424	const std::string file = next_file->d_name;
650	✓✓✓✓ ✓✓	254	if (file == "." \|\| file == "..")
651		100	continue;
652			#ifndef WIN32
653	✓✗	115	if (mPermitLinks == false)
654			{
655	✓✗✓✗ ✓✗	345	if (lstat(path.c_str(), &statbuf) == 0 &&
656		115	S_ISLNK(statbuf.st_mode) != 0)
657			{
658			continue;
659			}
660			}
661			#endif // WIN32
662
663	✓✗	261	const std::string filePath = pathJoin(path, file);
664	✓✗	230	if (stat(filePath.c_str(), &statbuf) == 0)
665			{
666	✓✓	115	if (S_ISDIR(statbuf.st_mode) == 0)
667			continue;
668			}
669
670		31	bool found(false);
671	✓✓	294	FOR_EACH (StringVectCIter, itn, names)
672			{
673	✓✗	139	if (*itn == file)
674			{
675			found = true;
676			break;
677			}
678			}
679	✓✗	31	if (found == false)
680	✓✗	31	names.push_back(file);
681			}
682	✓✗	8	closedir(dir);
683			}
684		10	}
685			} // namespace FsDir
686
687	✓✗✓✗	3	} // namespace VirtFs