Hi,
the new JSBSim code crashes when referring to an undefined property in the
<function> element.
Example:
<function NAME="foo">
<description>
This one will crash fg
</description>
<product>
<property>aero/function/bar</property>
<property>aero/qbar-area</property>
<!-- other stuff -->
This is no proplem when you have a working config file, but is no fun while
developing a new model :-(
I think a message like
function name="xyz" referring to undefined property aero/function/bar
and a more or less graceful shutdown of fg should be more developer
friendly ;-)
(gdb) bt
#0 SGPropertyNode::getDoubleValue (this=0x0) at props.cxx:1130
#1 0x08195e71 in JSBSim::FGFunction::GetValue (this=0xb042a98)
at FGFunction.cpp:138
#2 0x08195e71 in JSBSim::FGFunction::GetValue (this=0xb04b000)
at FGFunction.cpp:138
#3 0x083ca1a5 in copyProperties (in=0xb0427a8, out=0xb6fcb70)
at props_io.cxx:579
#4 0x083ca0bd in copyProperties (in=0xb04f718, out=0xb6fcb10)
at props_io.cxx:609
#5 0x083ca0bd in copyProperties (in=0xac51af8, out=0xb6fbd90)
at props_io.cxx:609
#6 0x083ca0bd in copyProperties (in=0xa3ca8a8, out=0xb6f73b0)
at props_io.cxx:609
#7 0x083ca0bd in copyProperties (in=0xa38b850, out=0xb6f7338)
at props_io.cxx:609
#8 0x083ca0bd in copyProperties (in=0x88622e8, out=0xb64cb78)
at props_io.cxx:609
#9 0x08069cb2 in FGGlobals::saveInitialState (this=0x8862160)
at globals.cxx:212
#10 0x0806517c in fgInitSubsystems () at fg_init.cxx:1848
#11 0x08054244 in fgIdleFunction () at main.cxx:869
#12 0x40058878 in glutMainLoop () at freeglut_main.c:1116
#13 0x08051a66 in fgMainInit (argc=2, argv=0xbffaa8c4) at main.cxx:1007
greetings, Torsten
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