// Copyright (C) 2003 Dolphin Project. // 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, version 2.0. // 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 2.0 for more details. // A copy of the GPL 2.0 should have been included with the program. // If not, see http://www.gnu.org/licenses/ // Official SVN repository and contact information can be found at // http://code.google.com/p/dolphin-emu/ #include "Common.h" #include "FileUtil.h" #include "StringUtil.h" #ifdef _WIN32 #include #include // for SHGetFolderPath #include #include // for GetSaveFileName #include #include // getcwd #else #include #include #include #include #endif #if defined(__APPLE__) #include #include #include #include #endif #include #include #ifndef S_ISDIR #define S_ISDIR(m) (((m)&S_IFMT) == S_IFDIR) #endif // This namespace has various generic functions related to files and paths. // The code still needs a ton of cleanup. // REMEMBER: strdup considered harmful! namespace File { // Remove any ending forward slashes from directory paths // Modifies argument. inline char *StripTailDirSlashes(char *fname) { int len = (int)strlen(fname); int i = len - 1; if (len > 1) while (fname[i] == DIR_SEP_CHR) fname[i--] = '\0'; return fname; } // Returns true if file filename exists bool Exists(const char *filename) { struct stat64 file_info; char *copy = StripTailDirSlashes(__strdup(filename)); int result = stat64(copy, &file_info); free(copy); return (result == 0); } // Returns true if filename is a directory bool IsDirectory(const char *filename) { struct stat64 file_info; char *copy = StripTailDirSlashes(__strdup(filename)); int result = stat64(copy, &file_info); free(copy); if (result < 0) { WARN_LOG(COMMON, "IsDirectory: stat failed on %s: %s", filename, GetLastErrorMsg()); return false; } return S_ISDIR(file_info.st_mode); } // Deletes a given filename, return true on success // Doesn't supports deleting a directory bool Delete(const char *filename) { INFO_LOG(COMMON, "Delete: file %s", filename); // Return true because we care about the file no // being there, not the actual delete. if (!Exists(filename)) { WARN_LOG(COMMON, "Delete: %s does not exists", filename); return true; } // We can't delete a directory if (IsDirectory(filename)) { WARN_LOG(COMMON, "Delete: %s is a directory", filename); return false; } #ifdef _WIN32 if (!DeleteFile(filename)) { WARN_LOG(COMMON, "Delete: DeleteFile failed on %s: %s", filename, GetLastErrorMsg()); return false; } #else if (unlink(filename) == -1) { WARN_LOG(COMMON, "Delete: DeleteFile failed on %s: %s", filename, GetLastErrorMsg()); return false; } #endif return true; } // Returns true if successful, or path already exists. bool CreateDir(const char *path) { INFO_LOG(COMMON, "CreateDir: directory %s", path); #ifdef _WIN32 if (::CreateDirectory(path, NULL)) return true; DWORD error = GetLastError(); if (error == ERROR_ALREADY_EXISTS) { WARN_LOG(COMMON, "CreateDir: CreateDirectory failed on %s: already exists", path); return true; } ERROR_LOG(COMMON, "CreateDir: CreateDirectory failed on %s: %i", path, error); return false; #else if (mkdir(path, 0755) == 0) return true; int err = errno; if (err == EEXIST) { WARN_LOG(COMMON, "CreateDir: mkdir failed on %s: already exists", path); return true; } ERROR_LOG(COMMON, "CreateDir: mkdir failed on %s: %s", path, strerror(err)); return false; #endif } // Creates the full path of fullPath returns true on success bool CreateFullPath(const char *fullPath) { int panicCounter = 100; INFO_LOG(COMMON, "CreateFullPath: path %s", fullPath); if (File::Exists(fullPath)) { INFO_LOG(COMMON, "CreateFullPath: path exists %s", fullPath); return true; } // safety check to ensure we have good dir seperators std::string strFullPath(fullPath); NormalizeDirSep(&strFullPath); const char *position = strFullPath.c_str(); while (true) { // Find next sub path position = strchr(position, DIR_SEP_CHR); // we're done, yay! if (! position) return true; position++; // Create next sub path int sLen = (int)(position - strFullPath.c_str()); if (sLen > 0) { char *subPath = strndup(strFullPath.c_str(), sLen); if (!File::IsDirectory(subPath)) { File::CreateDir(subPath); } free(subPath); } // A safety check panicCounter--; if (panicCounter <= 0) { ERROR_LOG(COMMON, "CreateFullPath: directory structure too deep"); return false; } } } // Deletes a directory filename, returns true on success bool DeleteDir(const char *filename) { INFO_LOG(COMMON, "DeleteDir: directory %s", filename); // check if a directory if (!File::IsDirectory(filename)) { ERROR_LOG(COMMON, "DeleteDir: Not a directory %s", filename); return false; } #ifdef _WIN32 if (::RemoveDirectory(filename)) return true; #else if (rmdir(filename) == 0) return true; #endif ERROR_LOG(COMMON, "DeleteDir: %s: %s", filename, GetLastErrorMsg()); return false; } // renames file srcFilename to destFilename, returns true on success bool Rename(const char *srcFilename, const char *destFilename) { INFO_LOG(COMMON, "Rename: %s --> %s", srcFilename, destFilename); if (rename(srcFilename, destFilename) == 0) return true; ERROR_LOG(COMMON, "Rename: failed %s --> %s: %s", srcFilename, destFilename, GetLastErrorMsg()); return false; } // copies file srcFilename to destFilename, returns true on success bool Copy(const char *srcFilename, const char *destFilename) { INFO_LOG(COMMON, "Copy: %s --> %s", srcFilename, destFilename); #ifdef _WIN32 if (CopyFile(srcFilename, destFilename, FALSE)) return true; ERROR_LOG(COMMON, "Copy: failed %s --> %s: %s", srcFilename, destFilename, GetLastErrorMsg()); return false; #else // buffer size #define BSIZE 1024 char buffer[BSIZE]; // Open input file FILE *input = fopen(srcFilename, "rb"); if (!input) { ERROR_LOG(COMMON, "Copy: input failed %s --> %s: %s", srcFilename, destFilename, GetLastErrorMsg()); return false; } // open output file FILE *output = fopen(destFilename, "wb"); if (!output) { fclose(input); ERROR_LOG(COMMON, "Copy: output failed %s --> %s: %s", srcFilename, destFilename, GetLastErrorMsg()); return false; } // copy loop while (!feof(input)) { // read input int rnum = fread(buffer, sizeof(char), BSIZE, input); if (rnum != BSIZE) { if (ferror(input) != 0) { ERROR_LOG(COMMON, "Copy: failed reading from source, %s --> %s: %s", srcFilename, destFilename, GetLastErrorMsg()); return false; } } // write output int wnum = fwrite(buffer, sizeof(char), rnum, output); if (wnum != rnum) { ERROR_LOG(COMMON, "Copy: failed writing to output, %s --> %s: %s", srcFilename, destFilename, GetLastErrorMsg()); return false; } } // close flushs fclose(input); fclose(output); return true; #endif } // Returns the size of filename (64bit) u64 GetSize(const char *filename) { if (!Exists(filename)) { WARN_LOG(COMMON, "GetSize: failed %s: No such file" ,filename); return 0; } if (IsDirectory(filename)) { WARN_LOG(COMMON, "GetSize: failed %s: is a directory" ,filename); return 0; } // on windows it's actually _stat64 defined in commonFuncs struct stat64 buf; if (stat64(filename, &buf) == 0) { DEBUG_LOG(COMMON, "GetSize: %s: %ld", filename, buf.st_size); return buf.st_size; } ERROR_LOG(COMMON, "GetSize: Stat failed %s: %s", filename, GetLastErrorMsg()); return 0; } // creates an empty file filename, returns true on success bool CreateEmptyFile(const char *filename) { INFO_LOG(COMMON, "CreateEmptyFile: %s", filename); FILE *pFile = fopen(filename, "wb"); if (!pFile) { ERROR_LOG(COMMON, "CreateEmptyFile: failed %s: %s", filename, GetLastErrorMsg()); return false; } fclose(pFile); return true; } // Scans the directory tree gets, starting from _Directory and adds the // results into parentEntry. Returns the number of files+directories found u32 ScanDirectoryTree(const char *directory, FSTEntry& parentEntry) { INFO_LOG(COMMON, "ScanDirectoryTree: directory %s", directory); // How many files + directories we found u32 foundEntries = 0; char *virtualName; #ifdef _WIN32 // Find the first file in the directory. WIN32_FIND_DATA ffd; char searchName[MAX_PATH + 3]; strncpy(searchName, directory, MAX_PATH); strcat(searchName, "\\*"); HANDLE hFind = FindFirstFile(searchName, &ffd); if (hFind == INVALID_HANDLE_VALUE) { FindClose(hFind); return foundEntries; } // windows loop do { FSTEntry entry; virtualName = ffd.cFileName; #else struct dirent dirent, *result = NULL; DIR *dirp = opendir(directory); if (!dirp) return 0; // non windows loop while (!readdir_r(dirp, &dirent, &result) && result) { FSTEntry entry; virtualName = result->d_name; #endif // check for "." and ".." if (((virtualName[0] == '.') && (virtualName[1] == '\0')) || ((virtualName[0] == '.') && (virtualName[1] == '.') && (virtualName[2] == '\0'))) continue; entry.virtualName = virtualName; entry.physicalName = directory; entry.physicalName += DIR_SEP + entry.virtualName; if (IsDirectory(entry.physicalName.c_str())) { entry.isDirectory = true; // is a directory, lets go inside entry.size = ScanDirectoryTree(entry.physicalName.c_str(), entry); foundEntries += (u32)entry.size; } else { // is a file entry.isDirectory = false; entry.size = GetSize(entry.physicalName.c_str()); } ++foundEntries; // Push into the tree parentEntry.children.push_back(entry); #ifdef _WIN32 } while (FindNextFile(hFind, &ffd) != 0); FindClose(hFind); #else } closedir(dirp); #endif // Return number of entries found. return foundEntries; } // deletes the given directory and anything under it. Returns true on // success. bool DeleteDirRecursively(const char *directory) { INFO_LOG(COMMON, "DeleteDirRecursively: %s", directory); #ifdef _WIN32 // Find the first file in the directory. WIN32_FIND_DATA ffd; char searchName[MAX_PATH + 3] = {0}; strncpy(searchName, directory, MAX_PATH); strcat(searchName, "\\*"); HANDLE hFind = FindFirstFile(searchName, &ffd); if (hFind == INVALID_HANDLE_VALUE) { FindClose(hFind); return false; } // windows loop do { char *virtualName = ffd.cFileName; #else struct dirent dirent, *result = NULL; DIR *dirp = opendir(directory); if (!dirp) return false; // non windows loop while (!readdir_r(dirp, &dirent, &result) && result) { char *virtualName = result->d_name; #endif // check for "." and ".." if (((virtualName[0] == '.') && (virtualName[1] == '\0')) || ((virtualName[0] == '.') && (virtualName[1] == '.') && (virtualName[2] == '\0'))) continue; char newPath[MAX_PATH]; sprintf(newPath, "%s%c%s", directory, DIR_SEP_CHR, virtualName); if (IsDirectory(newPath)) { if (!DeleteDirRecursively(newPath)) return false; } else { if (!File::Delete(newPath)) return false; } #ifdef _WIN32 } while (FindNextFile(hFind, &ffd) != 0); FindClose(hFind); #else } closedir(dirp); #endif File::DeleteDir(directory); return true; } #ifdef __linux__ //Create directory and copy contents (does not overwrite existing files) void CopyDir(const char *source_path, const char *dest_path) { if (!File::Exists(source_path)) return; if (!File::Exists(dest_path)) File::CreateFullPath(dest_path); char *virtualName; struct dirent dirent, *result = NULL; DIR *dirp = opendir(source_path); if (!dirp) return; while (!readdir_r(dirp, &dirent, &result) && result) { virtualName = result->d_name; // check for "." and ".." if (((virtualName[0] == '.') && (virtualName[1] == '\0')) || ((virtualName[0] == '.') && (virtualName[1] == '.') && (virtualName[2] == '\0'))) continue; char source[300], dest[300]; sprintf(source, "%s%s", source_path, virtualName); sprintf(dest, "%s%s", dest_path, virtualName); if (IsDirectory(source)) { sprintf(source, "%s/", source); sprintf(dest, "%s/", dest); if (!File::Exists(dest)) File::CreateFullPath(dest); CopyDir(source, dest); } else if (!File::Exists(dest)) File::Copy(source, dest); } closedir(dirp); } #endif // Returns the current directory std::string GetCurrentDir() { char *dir; // Get the current working directory (getcwd uses malloc) if (!(dir = __getcwd(NULL, 0))) { ERROR_LOG(COMMON, "GetCurrentDirectory failed: %s", GetLastErrorMsg()); return NULL; } std::string strDir = dir; free(dir); return strDir; } // Sets the current directory to the given directory bool SetCurrentDir(const char *_rDirectory) { return __chdir(_rDirectory) == 0; } #if defined(__APPLE__) std::string GetBundleDirectory() { // Plugin path will be Dolphin.app/Contents/PlugIns CFURLRef BundleRef; char AppBundlePath[MAXPATHLEN]; // Get the main bundle for the app BundleRef = CFBundleCopyBundleURL(CFBundleGetMainBundle()); CFStringRef BundlePath = CFURLCopyFileSystemPath(BundleRef, kCFURLPOSIXPathStyle); CFStringGetFileSystemRepresentation(BundlePath, AppBundlePath, sizeof(AppBundlePath)); CFRelease(BundleRef); CFRelease(BundlePath); #if defined(HAVE_WX) && HAVE_WX return AppBundlePath; #else std::string NoWxBundleDirectory; NoWxBundleDirectory=AppBundlePath; NoWxBundleDirectory+=DIR_SEP; NoWxBundleDirectory+="Dolphin.app"; return NoWxBundleDirectory; #endif } #endif // Returns the path to where the plugins are std::string GetPluginsDirectory() { std::string pluginsDir; #if defined (__APPLE__) pluginsDir = GetBundleDirectory(); pluginsDir += DIR_SEP; pluginsDir += PLUGINS_DIR; #elif defined __linux__ pluginsDir = PLUGINS_DIR; // FIXME global install #else pluginsDir = PLUGINS_DIR; #endif pluginsDir += DIR_SEP; INFO_LOG(COMMON, "GetPluginsDirectory: Setting to %s:", pluginsDir.c_str()); return pluginsDir; } // Returns the path to where the sys file are std::string GetSysDirectory() { std::string sysDir; #if defined (__APPLE__) sysDir = GetBundleDirectory(); sysDir += DIR_SEP; sysDir += SYSDATA_DIR; #elif defined __linux__ sysDir = SYSDATA_DIR; // FIXME global install #else sysDir = SYSDATA_DIR; #endif sysDir += DIR_SEP; INFO_LOG(COMMON, "GetSysDirectory: Setting to %s:", sysDir.c_str()); return sysDir; } // Returns a pointer to a string with a Dolphin data dir or file in the user's home // directory. To be used in "multi-user" mode (that is, installed). const char *GetUserPath(int DirIDX) { static char UserDir[MAX_PATH] = {0}; static char GCUserDir[MAX_PATH] = {0}; static char WiiUserDir[MAX_PATH] = {0}; static char WiiRootDir[MAX_PATH] = {0}; static char ConfigDir[MAX_PATH] = {0}; static char GameConfigDir[MAX_PATH] = {0}; static char MapsDir[MAX_PATH] = {0}; static char CacheDir[MAX_PATH] = {0}; static char ShaderCacheDir[MAX_PATH] = {0}; static char ShadersDir[MAX_PATH] = {0}; static char StateSavesDir[MAX_PATH] = {0}; static char ScreenShotsDir[MAX_PATH] = {0}; static char HiresTexturesDir[MAX_PATH] = {0}; static char DumpDir[MAX_PATH] = {0}; static char DumpFramesDir[MAX_PATH] = {0}; static char DumpTexturesDir[MAX_PATH] = {0}; static char DumpDSPDir[MAX_PATH] = {0}; static char LogsDir[MAX_PATH] = {0}; static char MailLogsDir[MAX_PATH] = {0}; static char WiiSYSCONFDir[MAX_PATH] = {0}; static char WiiMenuDir[MAX_PATH] = {0}; static char DolphinConfig[MAX_PATH] = {0}; static char DebuggerConfig[MAX_PATH] = {0}; static char LoggerConfig[MAX_PATH] = {0}; static char MainLog[MAX_PATH] = {0}; static char WiiSYSCONF[MAX_PATH] = {0}; static char RamDump[MAX_PATH] = {0}; static char ARamDump[MAX_PATH] = {0}; static char GCSRam[MAX_PATH] = {0}; // Set up all paths and files on the first run if (strlen(UserDir) == 0) { #ifdef _WIN32 // Keep the directory setup the way it was on windows snprintf(UserDir, sizeof(UserDir), ROOT_DIR DIR_SEP USERDATA_DIR DIR_SEP); //char homedir[MAX_PATH]; //if (!SUCCEEDED(SHGetFolderPath(NULL, CSIDL_APPDATA, NULL, 0, path))) // return NULL; #else if (File::Exists(ROOT_DIR DIR_SEP USERDATA_DIR)) snprintf(UserDir, sizeof(UserDir), ROOT_DIR DIR_SEP USERDATA_DIR DIR_SEP); else { char *homedir = getenv("HOME"); if (homedir) snprintf(UserDir, sizeof(UserDir), "%s" DIR_SEP DOLPHIN_DATA_DIR DIR_SEP, homedir); } #endif INFO_LOG(COMMON, "GetUserPath: Setting user directory to %s:", UserDir); snprintf(GCUserDir, sizeof(GCUserDir), "%s" GC_USER_DIR DIR_SEP, UserDir); snprintf(WiiUserDir, sizeof(WiiUserDir), "%s" WII_USER_DIR DIR_SEP, UserDir); snprintf(WiiRootDir, sizeof(WiiRootDir), "%s" WII_USER_DIR, UserDir); snprintf(ConfigDir, sizeof(ConfigDir), "%s" CONFIG_DIR DIR_SEP, UserDir); snprintf(GameConfigDir, sizeof(GameConfigDir), "%s" GAMECONFIG_DIR DIR_SEP, UserDir); snprintf(MapsDir, sizeof(MapsDir), "%s" MAPS_DIR DIR_SEP, UserDir); snprintf(CacheDir, sizeof(CacheDir), "%s" CACHE_DIR DIR_SEP, UserDir); snprintf(ShaderCacheDir, sizeof(ShaderCacheDir), "%s" SHADERCACHE_DIR DIR_SEP, UserDir); snprintf(ShadersDir, sizeof(ShadersDir), "%s" SHADERS_DIR DIR_SEP, UserDir); snprintf(StateSavesDir, sizeof(StateSavesDir), "%s" STATESAVES_DIR DIR_SEP, UserDir); snprintf(ScreenShotsDir, sizeof(ScreenShotsDir), "%s" SCREENSHOTS_DIR DIR_SEP, UserDir); snprintf(HiresTexturesDir, sizeof(HiresTexturesDir), "%s" HIRES_TEXTURES_DIR DIR_SEP, UserDir); snprintf(DumpDir, sizeof(DumpDir), "%s" DUMP_DIR DIR_SEP, UserDir); snprintf(DumpFramesDir, sizeof(DumpFramesDir), "%s" DUMP_FRAMES_DIR DIR_SEP, UserDir); snprintf(DumpTexturesDir, sizeof(DumpTexturesDir), "%s" DUMP_TEXTURES_DIR DIR_SEP, UserDir); snprintf(DumpDSPDir, sizeof(DumpDSPDir), "%s" DUMP_DSP_DIR DIR_SEP, UserDir); snprintf(LogsDir, sizeof(LogsDir), "%s" LOGS_DIR DIR_SEP, UserDir); snprintf(MailLogsDir, sizeof(MailLogsDir), "%s" MAIL_LOGS_DIR DIR_SEP, UserDir); snprintf(WiiSYSCONFDir, sizeof(WiiSYSCONFDir), "%s" WII_SYSCONF_DIR DIR_SEP, UserDir); snprintf(WiiMenuDir, sizeof(WiiMenuDir), "%s" WII_MENU_DIR DIR_SEP, UserDir); snprintf(DolphinConfig, sizeof(DolphinConfig), "%s" DOLPHIN_CONFIG, ConfigDir); snprintf(DebuggerConfig, sizeof(DebuggerConfig), "%s" DEBUGGER_CONFIG, ConfigDir); snprintf(LoggerConfig, sizeof(LoggerConfig), "%s" LOGGER_CONFIG, ConfigDir); snprintf(MainLog, sizeof(MainLog), "%s" MAIN_LOG, LogsDir); snprintf(WiiSYSCONF, sizeof(WiiSYSCONF), "%s" WII_SYSCONF, WiiSYSCONFDir); snprintf(RamDump, sizeof(RamDump), "%s" RAM_DUMP, DumpDir); snprintf(ARamDump, sizeof(ARamDump), "%s" ARAM_DUMP, DumpDir); snprintf(GCSRam, sizeof(GCSRam), "%s" GC_SRAM, GCUserDir); } switch (DirIDX) { case D_USER_IDX: return UserDir; case D_GCUSER_IDX: return GCUserDir; case D_WIIUSER_IDX: return WiiUserDir; case D_WIIROOT_IDX: return WiiRootDir; case D_CONFIG_IDX: return ConfigDir; case D_GAMECONFIG_IDX: return GameConfigDir; case D_MAPS_IDX: return MapsDir; case D_CACHE_IDX: return CacheDir; case D_SHADERCACHE_IDX: return ShaderCacheDir; case D_SHADERS_IDX: return ShadersDir; case D_STATESAVES_IDX: return StateSavesDir; case D_SCREENSHOTS_IDX: return ScreenShotsDir; case D_HIRESTEXTURES_IDX: return HiresTexturesDir; case D_DUMP_IDX: return DumpDir; case D_DUMPFRAMES_IDX: return DumpFramesDir; case D_DUMPTEXTURES_IDX: return DumpTexturesDir; case D_DUMPDSP_IDX: return DumpDSPDir; case D_LOGS_IDX: return LogsDir; case D_MAILLOGS_IDX: return MailLogsDir; case D_WIISYSCONF_IDX: return WiiSYSCONFDir; case D_WIIMENU_IDX: return WiiMenuDir; case F_DOLPHINCONFIG_IDX: return DolphinConfig; case F_DEBUGGERCONFIG_IDX: return DebuggerConfig; case F_LOGGERCONFIG_IDX: return LoggerConfig; case F_MAINLOG_IDX: return MainLog; case F_WIISYSCONF_IDX: return WiiSYSCONF; case F_RAMDUMP_IDX: return RamDump; case F_ARAMDUMP_IDX: return ARamDump; case F_GCSRAM_IDX: return GCSRam; default: return NULL; } } bool WriteStringToFile(bool text_file, const std::string &str, const char *filename) { FILE *f = fopen(filename, text_file ? "w" : "wb"); if (!f) return false; size_t len = str.size(); if (len != fwrite(str.data(), 1, str.size(), f)) { fclose(f); return false; } fclose(f); return true; } bool ReadFileToString(bool text_file, const char *filename, std::string &str) { FILE *f = fopen(filename, text_file ? "r" : "rb"); if (!f) return false; fseek(f, 0, SEEK_END); size_t len = (size_t)ftell(f); fseek(f, 0, SEEK_SET); char *buf = new char[len + 1]; buf[fread(buf, 1, len, f)] = 0; str = std::string(buf, len); fclose(f); delete [] buf; return true; } } // namespace