[OpenSmalltalk/opensmalltalk-vm] 478f65: CogVm source as per VMMaker.oscog-eem.2537

 
  Branch: refs/heads/Cog
  Home:   https://github.com/OpenSmalltalk/opensmalltalk-vm
  Commit: 478f654645a5500b64d85b0aa6e3bd77ac4e65c9
      https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/478f654645a5500b64d85b0aa6e3bd77ac4e65c9
  Author: Eliot Miranda <[hidden email]>
  Date:   2019-07-24 (Wed, 24 Jul 2019)

  Changed paths:
    M nsspur64src/vm/cointerp.c
    M nsspur64src/vm/cointerp.h
    M nsspur64src/vm/gcc3x-cointerp.c
    M nsspursrc/vm/cointerp.c
    M nsspursrc/vm/cointerp.h
    M nsspursrc/vm/gcc3x-cointerp.c
    M nsspurstack64src/vm/gcc3x-interp.c
    M nsspurstack64src/vm/interp.c
    M nsspurstack64src/vm/interp.h
    M nsspurstacksrc/vm/gcc3x-interp.c
    M nsspurstacksrc/vm/interp.c
    M nsspurstacksrc/vm/interp.h
    M spur64src/vm/cointerp.c
    M spur64src/vm/cointerp.h
    M spur64src/vm/cointerpmt.c
    M spur64src/vm/cointerpmt.h
    M spur64src/vm/gcc3x-cointerp.c
    M spur64src/vm/gcc3x-cointerpmt.c
    M spurlowcode64src/vm/cogit.h
    M spurlowcode64src/vm/cogitX64SysV.c
    M spurlowcode64src/vm/cogitX64WIN64.c
    M spurlowcode64src/vm/cointerp.c
    M spurlowcode64src/vm/cointerp.h
    M spurlowcode64src/vm/gcc3x-cointerp.c
    M spurlowcode64src/vm/interp.h
    M spurlowcodesrc/vm/cogit.c
    M spurlowcodesrc/vm/cogit.h
    M spurlowcodesrc/vm/cogitARMv5.c
    M spurlowcodesrc/vm/cogitIA32.c
    M spurlowcodesrc/vm/cogitMIPSEL.c
    M spurlowcodesrc/vm/cointerp.c
    M spurlowcodesrc/vm/cointerp.h
    M spurlowcodesrc/vm/gcc3x-cointerp.c
    M spurlowcodesrc/vm/interp.h
    M spurlowcodestack64src/vm/gcc3x-interp.c
    M spurlowcodestack64src/vm/interp.c
    M spurlowcodestack64src/vm/interp.h
    M spurlowcodestacksrc/vm/gcc3x-interp.c
    M spurlowcodestacksrc/vm/interp.c
    M spurlowcodestacksrc/vm/interp.h
    M spursista64src/vm/cointerp.c
    M spursista64src/vm/cointerp.h
    M spursista64src/vm/gcc3x-cointerp.c
    M spursistasrc/vm/cointerp.c
    M spursistasrc/vm/cointerp.h
    M spursistasrc/vm/gcc3x-cointerp.c
    M spursrc/vm/cointerp.c
    M spursrc/vm/cointerp.h
    M spursrc/vm/cointerpmt.c
    M spursrc/vm/cointerpmt.h
    M spursrc/vm/gcc3x-cointerp.c
    M spursrc/vm/gcc3x-cointerpmt.c
    M spurstack64src/vm/gcc3x-interp.c
    M spurstack64src/vm/interp.c
    M spurstack64src/vm/interp.h
    M spurstacksrc/vm/gcc3x-interp.c
    M spurstacksrc/vm/interp.c
    M spurstacksrc/vm/interp.h
    M src/vm/cointerp.c
    M src/vm/cointerp.h
    M src/vm/cointerpmt.c
    M src/vm/cointerpmt.h
    M src/vm/gcc3x-cointerp.c
    M src/vm/gcc3x-cointerpmt.c
    M stacksrc/vm/gcc3x-interp.c
    M stacksrc/vm/interp.c
    M stacksrc/vm/interp.h

  Log Message:
  -----------
  CogVm source as per VMMaker.oscog-eem.2537

Bite the bullet and embrace methodReturnString:.
Better this is well implemented once in the interpreter than potentially badly
implemented many times in plugins.  Check the C string argument for null to
avoid passing null to strlen, which can crash.