diff options
Diffstat (limited to 'Utilities/cmlibuv/src/win/fs.c')
-rw-r--r-- | Utilities/cmlibuv/src/win/fs.c | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/Utilities/cmlibuv/src/win/fs.c b/Utilities/cmlibuv/src/win/fs.c index 65d936b..9e2f084 100644 --- a/Utilities/cmlibuv/src/win/fs.c +++ b/Utilities/cmlibuv/src/win/fs.c @@ -1125,6 +1125,137 @@ cleanup: uv__free(dirents); } +void fs__opendir(uv_fs_t* req) { + WCHAR* pathw; + size_t len; + const WCHAR* fmt; + WCHAR* find_path; + uv_dir_t* dir; + + pathw = req->file.pathw; + dir = NULL; + find_path = NULL; + + /* Figure out whether path is a file or a directory. */ + if (!(GetFileAttributesW(pathw) & FILE_ATTRIBUTE_DIRECTORY)) { + SET_REQ_UV_ERROR(req, UV_ENOTDIR, ERROR_DIRECTORY); + goto error; + } + + dir = uv__malloc(sizeof(*dir)); + if (dir == NULL) { + SET_REQ_UV_ERROR(req, UV_ENOMEM, ERROR_OUTOFMEMORY); + goto error; + } + + len = wcslen(pathw); + + if (len == 0) + fmt = L"./*"; + else if (IS_SLASH(pathw[len - 1])) + fmt = L"%s*"; + else + fmt = L"%s\\*"; + + find_path = uv__malloc(sizeof(WCHAR) * (len + 4)); + if (find_path == NULL) { + SET_REQ_UV_ERROR(req, UV_ENOMEM, ERROR_OUTOFMEMORY); + goto error; + } + + _snwprintf(find_path, len + 3, fmt, pathw); + dir->dir_handle = FindFirstFileW(find_path, &dir->find_data); + uv__free(find_path); + find_path = NULL; + if (dir->dir_handle == INVALID_HANDLE_VALUE && + GetLastError() != ERROR_FILE_NOT_FOUND) { + SET_REQ_WIN32_ERROR(req, GetLastError()); + goto error; + } + + dir->need_find_call = FALSE; + req->ptr = dir; + SET_REQ_RESULT(req, 0); + return; + +error: + uv__free(dir); + uv__free(find_path); + req->ptr = NULL; +} + +void fs__readdir(uv_fs_t* req) { + uv_dir_t* dir; + uv_dirent_t* dirents; + uv__dirent_t dent; + unsigned int dirent_idx; + PWIN32_FIND_DATAW find_data; + unsigned int i; + int r; + + req->flags |= UV_FS_FREE_PTR; + dir = req->ptr; + dirents = dir->dirents; + memset(dirents, 0, dir->nentries * sizeof(*dir->dirents)); + find_data = &dir->find_data; + dirent_idx = 0; + + while (dirent_idx < dir->nentries) { + if (dir->need_find_call && FindNextFileW(dir->dir_handle, find_data) == 0) { + if (GetLastError() == ERROR_NO_MORE_FILES) + break; + goto error; + } + + /* Skip "." and ".." entries. */ + if (find_data->cFileName[0] == L'.' && + (find_data->cFileName[1] == L'\0' || + (find_data->cFileName[1] == L'.' && + find_data->cFileName[2] == L'\0'))) { + dir->need_find_call = TRUE; + continue; + } + + r = uv__convert_utf16_to_utf8((const WCHAR*) &find_data->cFileName, + -1, + (char**) &dirents[dirent_idx].name); + if (r != 0) + goto error; + + /* Copy file type. */ + if ((find_data->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0) + dent.d_type = UV__DT_DIR; + else if ((find_data->dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) != 0) + dent.d_type = UV__DT_LINK; + else if ((find_data->dwFileAttributes & FILE_ATTRIBUTE_DEVICE) != 0) + dent.d_type = UV__DT_CHAR; + else + dent.d_type = UV__DT_FILE; + + dirents[dirent_idx].type = uv__fs_get_dirent_type(&dent); + dir->need_find_call = TRUE; + ++dirent_idx; + } + + SET_REQ_RESULT(req, dirent_idx); + return; + +error: + SET_REQ_WIN32_ERROR(req, GetLastError()); + for (i = 0; i < dirent_idx; ++i) { + uv__free((char*) dirents[i].name); + dirents[i].name = NULL; + } +} + +void fs__closedir(uv_fs_t* req) { + uv_dir_t* dir; + + dir = req->ptr; + FindClose(dir->dir_handle); + uv__free(req->ptr); + SET_REQ_RESULT(req, 0); +} INLINE static int fs__stat_handle(HANDLE handle, uv_stat_t* statbuf, int do_lstat) { @@ -2039,6 +2170,9 @@ static void uv__fs_work(struct uv__work* w) { XX(MKDTEMP, mkdtemp) XX(RENAME, rename) XX(SCANDIR, scandir) + XX(READDIR, readdir) + XX(OPENDIR, opendir) + XX(CLOSEDIR, closedir) XX(LINK, link) XX(SYMLINK, symlink) XX(READLINK, readlink) @@ -2080,6 +2214,8 @@ void uv_fs_req_cleanup(uv_fs_t* req) { if (req->flags & UV_FS_FREE_PTR) { if (req->fs_type == UV_FS_SCANDIR && req->ptr != NULL) uv__fs_scandir_cleanup(req); + else if (req->fs_type == UV_FS_READDIR) + uv__fs_readdir_cleanup(req); else uv__free(req->ptr); } @@ -2247,6 +2383,45 @@ int uv_fs_scandir(uv_loop_t* loop, uv_fs_t* req, const char* path, int flags, POST; } +int uv_fs_opendir(uv_loop_t* loop, + uv_fs_t* req, + const char* path, + uv_fs_cb cb) { + int err; + + INIT(UV_FS_OPENDIR); + err = fs__capture_path(req, path, NULL, cb != NULL); + if (err) + return uv_translate_sys_error(err); + POST; +} + +int uv_fs_readdir(uv_loop_t* loop, + uv_fs_t* req, + uv_dir_t* dir, + uv_fs_cb cb) { + INIT(UV_FS_READDIR); + + if (dir == NULL || + dir->dirents == NULL || + dir->dir_handle == INVALID_HANDLE_VALUE) { + return UV_EINVAL; + } + + req->ptr = dir; + POST; +} + +int uv_fs_closedir(uv_loop_t* loop, + uv_fs_t* req, + uv_dir_t* dir, + uv_fs_cb cb) { + INIT(UV_FS_CLOSEDIR); + if (dir == NULL) + return UV_EINVAL; + req->ptr = dir; + POST; +} int uv_fs_link(uv_loop_t* loop, uv_fs_t* req, const char* path, const char* new_path, uv_fs_cb cb) { |