From 37be4197f72ae3a61bd5e93d2ebdc9bd6d09ed21 Mon Sep 17 00:00:00 2001 From: Wolfram Schneider Date: Mon, 20 May 2024 16:02:21 +0000 Subject: [PATCH] man: the exists function needs to validate the first parameter This fixes an issue with the ".so " macro for FreeBSD ports manual pages. PR: 275978 Reported by: Jamie Landeg-Jones MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D45231 (discussion) --- usr.bin/man/man.sh | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/usr.bin/man/man.sh b/usr.bin/man/man.sh index 03803b77746..af638527f49 100755 --- a/usr.bin/man/man.sh +++ b/usr.bin/man/man.sh @@ -201,6 +201,10 @@ decho() { # Returns true if glob resolves to a real file and store the first # found filename in the variable $found exists() { + if [ -z "$1" ]; then + return 1 + fi + local IFS # Don't accidentally inherit callers IFS (breaks perl manpages)