diff options
Diffstat (limited to 'src/common/file_util.cpp')
| -rw-r--r-- | src/common/file_util.cpp | 77 |
1 files changed, 68 insertions, 9 deletions
diff --git a/src/common/file_util.cpp b/src/common/file_util.cpp index 457376bf4..4ef4918d7 100644 --- a/src/common/file_util.cpp +++ b/src/common/file_util.cpp @@ -16,7 +16,10 @@ #include <tchar.h> #else #include <sys/param.h> +#include <sys/types.h> #include <dirent.h> +#include <pwd.h> +#include <unistd.h> #endif #if defined(__APPLE__) @@ -632,6 +635,55 @@ std::string& GetExeDirectory() } return exe_path; } +#else +/** + * @return The user’s home directory on POSIX systems + */ +static const std::string& GetHomeDirectory() { + static std::string home_path; + if (home_path.empty()) { + const char* envvar = getenv("HOME"); + if (envvar) { + home_path = envvar; + } else { + auto pw = getpwuid(getuid()); + ASSERT_MSG(pw, "$HOME isn’t defined, and the current user can’t be found in /etc/passwd."); + home_path = pw->pw_dir; + } + } + return home_path; +} + +/** + * Follows the XDG Base Directory Specification to get a directory path + * @param envvar The XDG environment variable to get the value from + * @return The directory path + * @sa http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html + */ +static const std::string GetUserDirectory(const std::string& envvar) { + const char* directory = getenv(envvar.c_str()); + + std::string user_dir; + if (directory) { + user_dir = directory; + } else { + std::string subdirectory; + if (envvar == "XDG_DATA_HOME") + subdirectory = DIR_SEP ".local" DIR_SEP "share"; + else if (envvar == "XDG_CONFIG_HOME") + subdirectory = DIR_SEP ".config"; + else if (envvar == "XDG_CACHE_HOME") + subdirectory = DIR_SEP ".cache"; + else + ASSERT_MSG(false, "Unknown XDG variable %s.", envvar.c_str()); + user_dir = GetHomeDirectory() + subdirectory; + } + + ASSERT_MSG(!user_dir.empty(), "User directory %s musn’t be empty.", envvar.c_str()); + ASSERT_MSG(user_dir[0] == '/', "User directory %s must be absolute.", envvar.c_str()); + + return user_dir; +} #endif std::string GetSysDirectory() @@ -661,20 +713,27 @@ const std::string& GetUserPath(const unsigned int DirIDX, const std::string &new if (paths[D_USER_IDX].empty()) { #ifdef _WIN32 - paths[D_USER_IDX] = GetExeDirectory() + DIR_SEP USERDATA_DIR DIR_SEP; + paths[D_USER_IDX] = GetExeDirectory() + DIR_SEP USERDATA_DIR DIR_SEP; + paths[D_CONFIG_IDX] = paths[D_USER_IDX] + CONFIG_DIR DIR_SEP; + paths[D_CACHE_IDX] = paths[D_USER_IDX] + CACHE_DIR DIR_SEP; #else - if (FileUtil::Exists(ROOT_DIR DIR_SEP USERDATA_DIR)) - paths[D_USER_IDX] = ROOT_DIR DIR_SEP USERDATA_DIR DIR_SEP; - else - paths[D_USER_IDX] = std::string(getenv("HOME") ? - getenv("HOME") : getenv("PWD") ? - getenv("PWD") : "") + DIR_SEP EMU_DATA_DIR DIR_SEP; + if (FileUtil::Exists(ROOT_DIR DIR_SEP USERDATA_DIR)) { + paths[D_USER_IDX] = ROOT_DIR DIR_SEP USERDATA_DIR DIR_SEP; + paths[D_CONFIG_IDX] = paths[D_USER_IDX] + CONFIG_DIR DIR_SEP; + paths[D_CACHE_IDX] = paths[D_USER_IDX] + CACHE_DIR DIR_SEP; + } else { + std::string data_dir = GetUserDirectory("XDG_DATA_HOME"); + std::string config_dir = GetUserDirectory("XDG_CONFIG_HOME"); + std::string cache_dir = GetUserDirectory("XDG_CACHE_HOME"); + + paths[D_USER_IDX] = data_dir + DIR_SEP EMU_DATA_DIR DIR_SEP; + paths[D_CONFIG_IDX] = config_dir + DIR_SEP EMU_DATA_DIR DIR_SEP; + paths[D_CACHE_IDX] = cache_dir + DIR_SEP EMU_DATA_DIR DIR_SEP; + } #endif - paths[D_CONFIG_IDX] = paths[D_USER_IDX] + CONFIG_DIR DIR_SEP; paths[D_GAMECONFIG_IDX] = paths[D_USER_IDX] + GAMECONFIG_DIR DIR_SEP; paths[D_MAPS_IDX] = paths[D_USER_IDX] + MAPS_DIR DIR_SEP; - paths[D_CACHE_IDX] = paths[D_USER_IDX] + CACHE_DIR DIR_SEP; paths[D_SDMC_IDX] = paths[D_USER_IDX] + SDMC_DIR DIR_SEP; paths[D_NAND_IDX] = paths[D_USER_IDX] + NAND_DIR DIR_SEP; paths[D_SYSDATA_IDX] = paths[D_USER_IDX] + SYSDATA_DIR DIR_SEP; |