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RE: Oracle OCI under cygwin
> Cygwin applications don't use the WIN32 environment. Rather they have
> their own copy of the environment in a POSIX layout. What happens is
> probably that the OCI lib calls GetEnvironmentString ("TNS_ADMIN",...)
> and gets nothing back, since the variable is just not in the Win32
> environment of the Cygwin application.
> The workaround is to do this before calling ani OCI lib function:
> #include <sys/cygwin.h>
> cygwin_internal (CW_SYNC_WINENV);
> This call copies the POSIX environment over to the Win32 environment
> of the calling process, so the OCI lib functions should find the
> TNS_ADMIN variable when called *after* the above call.
This worked like a charm. Thank you.
I suppose the same should be done whenever one calls a function in a non-cygwin DLL that relies on Win32 environment variables?