[okl4-developer] Bug in serial input?

[Andreas Rottmann]

Andreas Rottmann <a.rottmann at gmx.at> writes:

> Hi!
>
> Running this modified hello world example in skyeye 1.3.0 RC1:
>
> #include <stdio.h>
>
> int
> main(int argc, char** argv)
> {
>     char buffer[64];
>     printf("Your name please: ");
>     fgets(buffer, sizeof(buffer), stdin);
>     printf("got: %s\n", buffer);
> }
> /* --- EOF hello.c --- */
>
> ... yields on my machine:
>
> OKL4 - (provider: Open Kernel Labs) built on Mar  3 2010 20:29:39 using gcc version 3.4.4.
> Your name please: got: �������������������
> --- KD# User: L4 Rootserver exit ---
>>
>
> This is without any user input; it seems that `stdin' has some data
> buffered, and then returns EOF. Probably this is a bug my environment --
> could someone try to run this, and tell me if it works for them?
>
It seems that this indeed a bug in the OKL C library, and this patch
appears to fix it:

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