[TUHS] v7 K&R C

Dave Horsfall dave at horsfall.org
Thu May 14 17:38:32 AEST 2020

On Wed, 13 May 2020, Rich Morin wrote:

> A Fortran implementation I used years ago kept constants in a "literal 
> pool".  So, if you called a subroutine, passing in a constant, there was 
> a possibility that the constant might be modified upon the routine's 
> return.  I don't recall this ever causing a problem in practice, but the 
> possibility was amusing...

As I dimly recall, Fortran has always used call by value/result (or 
whatever the term is).  So, if you modify an argument that happened to be 
passed as a constant...

-- Dave

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