This function attempted a poor-man's natural compare but it assumed
specific structure of the string. This broke for strings with
numberings that looked like decimals.
Instead, we use our natural string comparison function and remove the
references to this older function and its similar elements.
Fixes https://gitlab.com/kicad/code/kicad/issues/9067
They don't define a KiCad string class, so the header file name was
somewhat misleading. But the fact that they didn't match definitely
made coding more difficult.
Added checks to StrCmpNum() function in common/sting.cpp to prevent
iterating past the end of the sting. Also removed length of string
parameter since it did not seem to be used anywhere.
Fixes lp:1818157
https://bugs.launchpad.net/kicad/+bug/1818157
This is not logic specific to MODULE. Breaking it out to
kicad_string.h acheives:
* Slimming of the MODULE interface
* Enables reuse of the function
* Enables testing of the function
Also add a test under qa_common for this function.