static char *
savedirstream (DIR *dirp)
{
char *name_space = streamsavedir (dirp);
if (dirp && closedir (dirp) != 0)
{
int save_errno = errno;
free (name_space);
errno = save_errno;
return NULL;
}
return name_space;
}
char *
savedir (char const *dir, enum savedir_option option)
{
DIR *dirp = opendir (dir);
if (! dirp)
return NULL;
else
{
char *name_space = streamsavedir (dirp, option);
if (closedir (dirp) != 0)
{
int closedir_errno = errno;
free (name_space);
errno = closedir_errno;
return NULL;
}
return name_space;
}
}
/* Return the filenames in directory NAME, relative to the chdir_fd.
If the directory does not exist, report error if MUST_EXIST is
true.
Return NULL on errors.
*/
char *
tar_savedir (const char *name, int must_exist)
{
char *ret = NULL;
DIR *dir = NULL;
int fd = openat (chdir_fd, name, open_read_flags | O_DIRECTORY);
if (fd < 0)
{
if (!must_exist && errno == ENOENT)
return NULL;
open_error (name);
}
else if (! ((dir = fdopendir (fd))
&& (ret = streamsavedir (dir))))
savedir_error (name);
if (dir ? closedir (dir) != 0 : 0 <= fd && close (fd) != 0)
savedir_error (name);
return ret;
}