[LCP]creating files with open()

[Bill Rausch]

At 5:52 PM +0930 10/8/01, Andy Zivkovic wrote:
>Sorry for not replying earlier, I've been so busy doing work I forgot to
>reply :(
>
>Madhav M. was correct, I forgot to specify O_WRONLY. When I did that,
>everything started to work. I was so busy trying to do the UDP/transfer
>protocol stuff that I forgot the basics of file I/O. :(

>    file = open("file.txt", O_CREAT|O_EXCL);

If all you did was add O_WRONLY then the program is still incorrect. 
It may work on your particular box, but if you specify O_CREAT you 
also need to specify the "mode" as the third argument to open() 
according to the man page.

>            O_CREAT        ...
>                           The file access permission bits of the new file
>                           mode are set to the value of mode, ...


-- 
  Bill Rausch, Software Development, Unix, Mac, Windows
  Numerical Applications, Inc.  509-943-0861   bill at numerical.com