871                 ssize_t l1, l2;  in conservative_renameat()  local
873                 l1 = read(old_fd, buf1, sizeof(buf1));  in conservative_renameat()
874                 if (l1 < 0)  in conservative_renameat()
877                 if (l1 == sizeof(buf1))  in conservative_renameat()
880                         l2 = read(new_fd, buf2, l1);  in conservative_renameat()
882                         assert((size_t) l1 < sizeof(buf1));  in conservative_renameat()
888                         assert((size_t) (l1 + 1) <= sizeof(buf2));  in conservative_renameat()
889                         l2 = read(new_fd, buf2, l1 + 1);  in conservative_renameat()
891                 if (l2 != l1)  in conservative_renameat()
894                 if (memcmp(buf1, buf2, l1) != 0)  in conservative_renameat()
897 …if ((size_t) l1 < sizeof(buf1)) /* We hit EOF on the first file, and the second file too, hence ex…  in conservative_renameat()