Help with C clearenv and setenv

Marco Atzeri
Thu May 31 09:38:00 GMT 2018

On 5/30/2018 4:48 PM, Sam Habiel wrote:
> I have code for a database I am porting to Cygwin.
> Part of that code is a clearenv() then a couple of setenvs. There is
> an ifdef for Cygwin, as it doesn't implement clearenv. It just sets
> environ = NULL. Well--that really breaks setenv! It returns a "Bad
> Poniter" error (-1).
> What is the correct way to clear environment variables in Cygwin?
> --Sam

not tested but it seems Cygwin is not the only platform
with problem on environ = NULL

environ = calloc(1, sizeof(*environ))


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