git: 302d0acea8a0 - stable/13 - MFV: less: Do not trust st_size if it equals zero
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Date: Sat, 27 Apr 2024 07:08:27 UTC
The branch stable/13 has been updated by delphij: URL: https://cgit.FreeBSD.org/src/commit/?id=302d0acea8a0bc18a26b5e0f1a7870b09dc58d16 commit 302d0acea8a0bc18a26b5e0f1a7870b09dc58d16 Author: Ricardo Branco <rbranco@suse.de> AuthorDate: 2024-04-24 05:29:46 +0000 Commit: Xin LI <delphij@FreeBSD.org> CommitDate: 2024-04-27 07:08:17 +0000 MFV: less: Do not trust st_size if it equals zero This is a smaller version of upstream 1fafd968b48e5cea6c85f126d77071a8de707a55 to address the issue that less not being able to operate on files residing in pseudo-filesystems that advertize a zero size value. PR: bin/276133 (cherry picked from commit cae336280b0d7ad3d49788c5fc0986f91328eb50) --- contrib/less/ch.c | 13 ++----------- 1 file changed, 2 insertions(+), 11 deletions(-) diff --git a/contrib/less/ch.c b/contrib/less/ch.c index fd53b2d66e38..51045438a296 100644 --- a/contrib/less/ch.c +++ b/contrib/less/ch.c @@ -700,7 +700,6 @@ public void ch_flush(void) ch_block = 0; /* ch_fpos / LBUFSIZE; */ ch_offset = 0; /* ch_fpos % LBUFSIZE; */ -#if HAVE_PROCFS /* * This is a kludge to workaround a Linux kernel bug: files in * /proc have a size of 0 according to fstat() but have readable @@ -709,17 +708,9 @@ public void ch_flush(void) */ if (ch_fsize == 0) { - struct statfs st; - if (fstatfs(ch_file, &st) == 0) - { - if (st.f_type == PROC_SUPER_MAGIC) - { - ch_fsize = NULL_POSITION; - ch_flags &= ~CH_CANSEEK; - } - } + ch_fsize = NULL_POSITION; + ch_flags &= ~CH_CANSEEK; } -#endif if (lseek(ch_file, (off_t)0, SEEK_SET) == BAD_LSEEK) {