Bug 241884

Summary:	elf_aux_info(3) return types are not documented
Product:	Base System	Reporter:	Jan Beich <jbeich>
Component:	bin	Assignee:	freebsd-bugs (Nobody) <bugs>
Status:	New ---
Severity:	Affects Only Me	CC:	emaste, ian, kib
Priority:	---	Keywords:	needs-patch
Version:	CURRENT
Hardware:	Any
OS:	Any

Description Jan Beich freebsd_committer

2019-11-11 18:19:43 UTC

elf_aux_info() unlike getauxval() requires passing correct size of the return buffer. As the manpage only documents the 1st argument it's not possible to use elf_aux_info() without looking and relying on libc guts.

Comment 1 Konstantin Belousov freebsd_committer

2019-11-15 09:52:04 UTC

https://reviews.freebsd.org/D22380

Comment 2 commit-hook freebsd_committer

2019-11-17 14:11:45 UTC

A commit references this bug:

Author: kib
Date: Sun Nov 17 14:11:08 UTC 2019
New revision: 354787
URL: https://svnweb.freebsd.org/changeset/base/354787

Log:
  Document required size of buffer for elf_aux_info(3).

  PR:	241884
  Reported by:	jbeich
  Reviewed by:	brooks
  Sponsored by:	The FreeBSD Foundation
  MFC after:	3 days
  Differential revision:	https://reviews.freebsd.org/D22380

Changes:
  head/lib/libc/gen/auxv.3