From 48818aa114afca38b61787e215bbec44f8421a9a Mon Sep 17 00:00:00 2001 From: Andrey Konovalov Date: Mon, 19 Sep 2016 16:44:33 +0200 Subject: sysparser: disallow unions with only one field --- sysparser/lexer.go | 3 +++ 1 file changed, 3 insertions(+) (limited to 'sysparser') diff --git a/sysparser/lexer.go b/sysparser/lexer.go index 26a21e57a..21c7b77ef 100644 --- a/sysparser/lexer.go +++ b/sysparser/lexer.go @@ -86,6 +86,9 @@ func Parse(in io.Reader) *Description { } } } + if str.IsUnion && len(str.Flds) <= 1 { + failf("union %v has only %v fields, need at least 2", str.Name, len(str.Flds)) + } structs[str.Name] = *str str = nil } else { -- cgit mrf-deployment