Re: temp file creation bug in diffutils 2.7

[Alan Cox]

> -         FILE *tmp = ck_fopen (tmpname, "w+");
> +         int fd;
> +         FILE *tmp;
> +
> +#if defined O_CREAT && defined O_TRUNC && defined O_EXCL
> +         /* Use O_EXCL to avoid race condition.  */
> +         fd = open (tmpname, O_RDWR | O_CREAT | O_TRUNC | O_EXCL,
> +                    S_IRUSR | S_IWUSR);
> +#else
> +         fd = creat (tmpname, S_IRUSR | S_IWUSR);
> +#endif

That seems strange. On old SYS5 unix boxes you will recompile a dangerously
insecure binary rather than refuse to build

Alan