On Wed, Feb 13, 2008 at 03:20:56PM +0100, Andreas Schweigstill wrote:
> + /* Validate arguments */
> + if ((argc != 5) || (strlen(argv[3]) != 1)) {
> + printf("Usage:\n%s\n", cmdtp->usage);
> + return 1;
> + }
>
> May we rely on the compiler optimizing the above expression so
> strlen() != 1 will only be evaluated if argc == 5 ?
Short-circuit evaluation isn't optimization, it's the semantics of the C
language.
-Scott
-------------------------------------------------------------------------
This SF.net email is sponsored by: Microsoft
Defy all challenges. Microsoft(R) Visual Studio 2008.
http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
_______________________________________________
U-Boot-Users mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/u-boot-users
