incorrect static char * assumption(?)

[Horst von Brand]

Richard <blackw@sfu.ca> said:
> egcs-2.91.66 appears to be making an erroneous assumption about the
> contents of a static char * within a single printf() call.

You are calling a function that modifies a global variable (side effect)
twice in ths argument list of a function. Noone guarantees in which order
the arguments of a function call are evaluated, so you are invoking
undefined behaviuor: Anything can happen.
-- 
Dr. Horst H. von Brand                       mailto:vonbrand@inf.utfsm.cl
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