As someone who has also been in jail, more than a few times, I never had drugs made available. Yes, some of the girls once got hold of some cigarettes, and tried to use the electrical outlet and something else to light the darned thing, but they were caught.
I've heard that there are drugs in jails and prisons. When I was in jail, wanting to use, with guards all around and my freedom at risk, just wasn't even a consideration.
The officer at the diversion center, where I was last locked up, told us "we don't WANT to make you like it here, we don't WANT you to be comfortable...we WANT you to hate it so much that you'll straighten out your life and not come back".
It worked for me
Hugs and prayers,
Amy