- va_list arg;
- va_start (arg, flags);
-
- /* If mode_t is narrower than int, use the promoted type (int),
- not mode_t. Use sizeof to guess whether mode_t is narrower;
- we don't know of any practical counterexamples. */
- mode = (sizeof (mode_t) < sizeof (int)
- ? va_arg (arg, int)
- : va_arg (arg, mode_t));
-
- va_end (arg);
- }
- fd = open (filename, flags, mode);
- if (fd >= 0)
- {
- ensure_dirs_slot (fd);
- if (fd < dirs_allocated
- && fstat (fd, &statbuf) >= 0 && S_ISDIR (statbuf.st_mode))
- {
- dirs[fd].name = canonicalize_file_name (filename);
- if (dirs[fd].name == NULL)
- dirs[fd].saved_errno = errno;
- }
+ if (!ensure_dirs_slot (fd)
+ || (dirs[fd].name = get_name (filename)) == NULL)
+ {
+ int saved_errno = errno;
+ close (fd);
+ errno = saved_errno;
+ return -1;
+ }