[Bug-glpk] Possibly a bug

[Sebastien Briais]

Hi,

I found a strange behaviour of glpk library.
The glp_write_lp function aborts the entire program
when problem to write is empty.
I don't think it is a desired behaviour (especially when problems
are generated from dynamic data)
In my opinion, this function should instead return an
error code when such a situation happens.
I have joined a simple sample program that illustrates
the problem.

Regards

Sйbastien

sample_bug.c
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