#6 Elimination of fprintf, stdout, stderr

[Anonymous]

It would be great, if you could eliminate the need for
fprintf, stdout and stderr. Because in my embedded
system I haven't got such functions.
It would be easy to achieve, if one could specify
macros or functions for these hardware related I/O
functions.

You could use e.g. PRINT_ERR("This is an error");
and I would have to implement the function PRINT_ERR
(char *str).

Regards
Michael

[Anil Kumar]

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Not yet sure.. how this can be resolved effectively, as specifying fprintf as macro would strip ability to handle variable arguments.

[Bjoern Doebel]

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No. You can also have variable arguments in macros, see http://gcc.gnu.org/onlinedocs/gcc/Variadic-Macros.html
It is even a standard C(99) feature, so it won't tie you to a specific compiler.