On Wednesday 02 April 2008 07:37, Joerg Wunsch wrote:
> Update of bug #22800 (project avr-libc):
>
> Assigned to: None => dmix
>
> _______________________________________________________
>
> Follow-up Comment #1:
>
> Dmitry, can you check this, please?
>
> I think this is a bug somewhere in the following snippet:
>
> case 's':
> pnt = va_arg (ap, char *);
> size = strnlen (pnt, (flags & FL_PREC) ? prec : ~0);
> no_pgmstring:
> flags &= ~FL_PGMSTRING;
> goto str_lpad;
>
> case 'S':
> pnt = va_arg (ap, char *);
> size = strnlen_P (pnt, (flags & FL_PREC) ? prec : ~0);
> flags |= FL_PGMSTRING;
>
> str_lpad:
> if (!(flags & FL_LPAD)) {
> while (size < width) {
> putc (' ', stream);
> width--;
> }
> }
> while (size) {
> putc (GETBYTE (flags, FL_PGMSTRING, pnt), stream);
> if (width) width -= 1;
> size -= 1;
> }
>
> My guess is that width has to be declared as uint16_t rather
> than unsigned char. What do you think?
I will look this at the nearest time.
About width: the avr-libc-1.4 printf() has the documented
limit for width (and precision): 127. The avr-libc-1.6
printf has this limit (also documented): 255.
Dmitry.
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