From c556c6ad0b94cf3ba4b441a1a0930f2468434227 Mon Sep 17 00:00:00 2001
From: Vit Mojzis <vmojzis@redhat.com>
Date: Wed, 10 Feb 2021 18:05:29 +0100
Subject: [PATCH] selinux(8,5): Describe fcontext regular expressions

Describe which type of regular expression is used in file context
definitions and which flags are in effect.

Explain how local file context modifications are processed.

Signed-off-by: Vit Mojzis <vmojzis@redhat.com>
Acked-by: Petr Lautrbach <plautrba@redhat.com>
---
 libselinux/man/man5/selabel_file.5 | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/libselinux/man/man5/selabel_file.5 b/libselinux/man/man5/selabel_file.5
index e97bd826..baba7776 100644
--- a/libselinux/man/man5/selabel_file.5
+++ b/libselinux/man/man5/selabel_file.5
@@ -125,7 +125,14 @@ Where:
 .RS
 .I pathname
 .RS
-An entry that defines the pathname that may be in the form of a regular expression.
+An entry that defines the path to be labeled.
+May contain either a fully qualified path,
+or a Perl compatible regular expression (PCRE),
+describing fully qualified path(s).
+The only PCRE flag in use is PCRE2_DOTALL,
+which causes a wildcard '.' to match anything, including a new line.
+Strings representing paths are processed as bytes (as opposed to Unicode),
+meaning that non-ASCII characters are not matched by a single wildcard.
 .RE
 .I file_type
 .RS
-- 
2.35.3