diff options
Diffstat (limited to 'sysparser/lexer.go')
| -rw-r--r-- | sysparser/lexer.go | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/sysparser/lexer.go b/sysparser/lexer.go index 21c7b77ef..85f657d41 100644 --- a/sysparser/lexer.go +++ b/sysparser/lexer.go @@ -86,8 +86,17 @@ 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)) + if str.IsUnion { + if len(str.Flds) <= 1 { + failf("union %v has only %v fields, need at least 2", str.Name, len(str.Flds)) + } + fields := make(map[string]bool) + for _, f := range str.Flds { + if fields[f[0]] { + failf("duplicate filed %v in struct/union %v", f[0], str.Name) + } + fields[f[0]] = true + } } structs[str.Name] = *str str = nil |