int git_path_diriter_init(
git_path_diriter *diriter,
const char *path,
unsigned int flags)
{
git_win32_path path_filter;
git_buf hack = {0};
static int is_win7_or_later = -1;
if (is_win7_or_later < 0)
is_win7_or_later = git_has_win32_version(6, 1, 0);
assert(diriter && path);
memset(diriter, 0, sizeof(git_path_diriter));
diriter->handle = INVALID_HANDLE_VALUE;
if (git_buf_puts(&diriter->path_utf8, path) < 0)
return -1;
git_path_trim_slashes(&diriter->path_utf8);
if (diriter->path_utf8.size == 0) {
giterr_set(GITERR_FILESYSTEM, "Could not open directory '%s'", path);
return -1;
}
if ((diriter->parent_len = git_win32_path_from_utf8(diriter->path, diriter->path_utf8.ptr)) < 0 ||
!git_win32__findfirstfile_filter(path_filter, diriter->path_utf8.ptr)) {
giterr_set(GITERR_OS, "Could not parse the directory path '%s'", path);
return -1;
}
diriter->handle = FindFirstFileExW(
path_filter,
is_win7_or_later ? FindExInfoBasic : FindExInfoStandard,
&diriter->current,
FindExSearchNameMatch,
NULL,
is_win7_or_later ? FIND_FIRST_EX_LARGE_FETCH : 0);
if (diriter->handle == INVALID_HANDLE_VALUE) {
giterr_set(GITERR_OS, "Could not open directory '%s'", path);
return -1;
}
diriter->parent_utf8_len = diriter->path_utf8.size;
diriter->flags = flags;
return 0;
}
bool git_path_is_empty_dir(const char *path)
{
git_win32_path filter_w;
bool empty = false;
if (git_win32__findfirstfile_filter(filter_w, path)) {
WIN32_FIND_DATAW findData;
HANDLE hFind = FindFirstFileW(filter_w, &findData);
/* FindFirstFile will fail if there are no children to the given
* path, which can happen if the given path is a file (and obviously
* has no children) or if the given path is an empty mount point.
* (Most directories have at least directory entries '.' and '..',
* but ridiculously another volume mounted in another drive letter's
* path space do not, and thus have nothing to enumerate.) If
* FindFirstFile fails, check if this is a directory-like thing
* (a mount point).
*/
if (hFind == INVALID_HANDLE_VALUE)
return git_path_isdir(path);
/* If the find handle was created successfully, then it's a directory */
empty = true;
do {
/* Allow the enumeration to return . and .. and still be considered
* empty. In the special case of drive roots (i.e. C:\) where . and
* .. do not occur, we can still consider the path to be an empty
* directory if there's nothing there. */
if (!git_path_is_dot_or_dotdotW(findData.cFileName)) {
empty = false;
break;
}
} while (FindNextFileW(hFind, &findData));
FindClose(hFind);
}
return empty;
}
