> Date: Sat, 8 Oct 2022 15:22:50 -0700 > Cc: bug-make@gnu.org > From: Paul Eggert <egg...@cs.ucla.edu> > > On 2022-10-08 00:14, Eli Zaretskii wrote: > >> tmpfile uses "wb+" (POSIX requires this) and we should be consistent in > >> all the paths that create temporary FILE *. The attached patch adds a > >> comment about this. > > I don't remember: where is this temporary file read? > > It's read by a different process (fork+exec), so it doesn't matter for > 'make' now whether it uses "w+" or "w". It matters only for possible > future changes to 'make' later, assuming we ever change other parts of > 'make' to sometimes need read access via the same FILE *.
I meant the "b" part, not the "+" part. On systems where that changes the bytestream written to the file, the change might require a suitable change where we read that stuff.
