blob: 8f2a6cdda286b6d784574a92b01b9181f7541f86 [file] [log] [blame]
{{/*
// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
*/}}
{{- define "StructSizeAndAlloc" }}
template<>
struct MinSize<{{ .Name }}> {
operator size_t() {
return {{ if .Members }}{{ range $index, $member := .Members }}
{{- if $index }} + {{ end }}MinSize<{{ $member.Type }}>()
{{- end }}{{ else }}0{{ end }};
}
};
template<>
struct Allocate<{{ .Name }}> {
{{ .Name }} operator()(FuzzInput* src, size_t* size) {
ZX_ASSERT(*size >= MinSize<{{ .Name }}>());
{{ .Name }} out;
{{- if .Members }}
const size_t slack_per_member = (*size - MinSize<{{ .Name }}>()) / {{ len .Members }};
size_t out_size;
{{- range .Members }}
out_size = MinSize<{{ .Type }}>() + slack_per_member;
out.{{ .Name }} = Allocate<{{ .Type }}>{}(src, &out_size);
{{- end }}
{{- end }}
return out;
}
};
{{- end }}