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Mon, 24 Mar 2025 04:54:00 GMT (envelope-from git) Date: Mon, 24 Mar 2025 04:54:00 GMT Message-Id: <202503240454.52O4s0Xi051381@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Konstantin Belousov Subject: git: c18a16ebcf5b - main - kern_proc_kqueues_out(): maxlen == -1 means there is no maxlen List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: kib X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: c18a16ebcf5bf0bad19be10f58d9f42cbc079057 Auto-Submitted: auto-generated The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=c18a16ebcf5bf0bad19be10f58d9f42cbc079057 commit c18a16ebcf5bf0bad19be10f58d9f42cbc079057 Author: Konstantin Belousov AuthorDate: 2025-03-24 04:29:15 +0000 Commit: Konstantin Belousov CommitDate: 2025-03-24 04:48:08 +0000 kern_proc_kqueues_out(): maxlen == -1 means there is no maxlen Sponsored by: The FreeBSD Foundation MFC after: 1 week --- sys/kern/kern_event.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/sys/kern/kern_event.c b/sys/kern/kern_event.c index e891cb7c094a..eb77a5064113 100644 --- a/sys/kern/kern_event.c +++ b/sys/kern/kern_event.c @@ -2974,13 +2974,21 @@ kern_proc_kqueues_out(struct proc *p, struct sbuf *sb, size_t maxlen, bool compat32) { struct sbuf *s, sm; + size_t sb_len; int error; - s = sbuf_new(&sm, NULL, maxlen, SBUF_FIXEDLEN); + if (maxlen == -1 || maxlen == 0) + sb_len = 128; + else + sb_len = maxlen; + s = sbuf_new(&sm, NULL, sb_len, maxlen == -1 ? SBUF_AUTOEXTEND : + SBUF_FIXEDLEN); error = kern_proc_kqueues_out1(curthread, p, s, compat32); sbuf_finish(s); - if (error == 0) - sbuf_bcat(sb, sbuf_data(s), MIN(sbuf_len(s), maxlen)); + if (error == 0) { + sbuf_bcat(sb, sbuf_data(s), MIN(sbuf_len(s), maxlen == -1 ? + SIZE_T_MAX : maxlen)); + } sbuf_delete(s); return (error); }