Hi Janet,
I do not know which C library you use. Anyway, sprintf may call
malloc/free functions that are forbidden in RT threads. Have a look at
your map file if they are there. You may want to use some debugging
tools to check if malloc is really called.
Recently, some reduced C libraries were recommended in this list for
RT use, but I did not try them.
Regards,
pa
> Hi,
>
> I'm using RTLV2.3, kernel 2.2.14. I have a real-time module that has used
> sprintf in it for quite some time with no problem.
>
> I recently updated the module (removing some code and adding some code) and
> now I crash at an "sprintf" statement that previously worked.
>
> Why ? I never had any problem before. I can pinpoint 2 of the sprintf
> statements that crash and if I comment them out my code runs fine. I do
> some other "sprintf" statements every 30 Hz.
>
> Any ideas ?
>
> I do to the "ld -r file.o -L/usr/src -lc -M -o file.m > map"
>
> Thanks in advance -
> Janet Estabridis
>
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