Re: using explicit_bzero
Tom Lane <tgl@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Cc: Alvaro Herrera <alvherre@2ndquadrant.com>,
Thomas Munro <thomas.munro@gmail.com>,
pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2019-07-22T18:35:32Z
Lists: pgsql-hackers
Peter Eisentraut <peter.eisentraut@2ndquadrant.com> writes: > On 2019-07-18 00:45, Tom Lane wrote: >> +1 for using the C11-standard name, even if that's not anywhere >> in the real world yet. > ISTM that a problem is that you cannot implement a replacement > memset_s() as a wrapper around explicit_bzero(), unless you also want to > implement the bound checking stuff. (The "s"/safe in this family of > functions refers to the bound checking, not the cannot-be-optimized-away > property.) The other way around it is easier. Oh, hm. > Also, the "s" family of functions appears to be a quagmire of > controversy and incompatibility, so it's perhaps better to stay away > from it for the time being. Fair enough. regards, tom lane
Commits
-
Use explicit_bzero
- 74a308cf5221 13.0 landed