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Sm=C3=B8rg?=rav Subject: git: 771a65210018 - stable/15 - tail(1): Fix -r (reverse) to work on pseudo filesystems 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: des X-Git-Repository: src X-Git-Refname: refs/heads/stable/15 X-Git-Reftype: branch X-Git-Commit: 771a65210018c68198ea413df10225e87a0ea909 Auto-Submitted: auto-generated Date: Fri, 01 May 2026 19:21:09 +0000 Message-Id: <69f4fd25.3b1fe.18c5961a@gitrepo.freebsd.org> The branch stable/15 has been updated by des: URL: https://cgit.FreeBSD.org/src/commit/?id=771a65210018c68198ea413df10225e87a0ea909 commit 771a65210018c68198ea413df10225e87a0ea909 Author: Aaron LI AuthorDate: 2026-03-17 04:53:49 +0000 Commit: Dag-Erling Smørgrav CommitDate: 2026-05-01 16:03:17 +0000 tail(1): Fix -r (reverse) to work on pseudo filesystems Pseudo filesystems (e.g., procfs) advertise a zero file size. Fix reverse() to handle such a case similarly as forward() so that '-r' works on pseudo filesystems. Signed-off-by: Aaron LI Reviewed by: pouria, Ricardo Branco , des Fixes: 1fb3caee7 ("tail: Do not trust st_size if it equals zero.") Pull-Request: https://github.com/freebsd/freebsd-src/pull/2080 (cherry picked from commit 4feeca3193c316c18472cd40f215446fda3bd739) --- usr.bin/tail/reverse.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/usr.bin/tail/reverse.c b/usr.bin/tail/reverse.c index 1fa8784dec6d..690101c0b803 100644 --- a/usr.bin/tail/reverse.c +++ b/usr.bin/tail/reverse.c @@ -78,7 +78,7 @@ reverse(FILE *fp, const char *fn, enum STYLE style, off_t off, struct stat *sbp) if (style != REVERSE && off == 0) return; - if (S_ISREG(sbp->st_mode)) + if (S_ISREG(sbp->st_mode) && sbp->st_size > 0) r_reg(fp, fn, style, off, sbp); else switch(style) {