+ int ret;
+
+ if (flag==AT_EMPTY_PATH && fd>=0 && !*path) {
+ ret = __syscall(SYS_fstat, fd, st);
+ if (ret==-EBADF && __syscall(SYS_fcntl, fd, F_GETFD)>=0) {
+ ret = __syscall(SYS_fstatat, fd, path, st, flag);
+ if (ret==-EINVAL) {
+ char buf[15+3*sizeof(int)];
+ __procfdname(buf, fd);
+#ifdef SYS_stat
+ ret = __syscall(SYS_stat, buf, st);
+#else
+ ret = __syscall(SYS_fstatat, AT_FDCWD, buf, st, 0);
+#endif
+ }
+ }
+ }
+#ifdef SYS_lstat
+ else if ((fd == AT_FDCWD || *path=='/') && flag==AT_SYMLINK_NOFOLLOW)
+ ret = __syscall(SYS_lstat, path, st);
+#endif
+#ifdef SYS_stat
+ else if ((fd == AT_FDCWD || *path=='/') && !flag)
+ ret = __syscall(SYS_stat, path, st);
+#endif
+ else ret = __syscall(SYS_fstatat, fd, path, st, flag);
+
+ return __syscall_ret(ret);