Re: [avr-gcc-list] Program Space String Utility - winavr20030312

[Joerg Wunsch]

Todd Lucas <address@hidden> wrote:

> If the assumption is correct, strlen_P will not return the correct
> length since it's not technically a null-terminated string. At a
> minimum, you'd need to append a 0x0 at the end of the array for it
> to work. Are you saying that there's a PROGMEM-related issue beyond
> that?

Besides, sizeof() is a compile-time evaluated operator, while
strlen_P() would cost runtime.  (strlen() itself on a constant string
literal would not, since the compiler is allowed to optimize that
away, unless -ffreestanding is used).

-- 
J"org Wunsch                                           Unix support engineer
address@hidden        http://www.interface-systems.de/~j/