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cmd/cgo: do not output empty struct for -cdefs
R=golang-dev, iant CC=golang-dev https://golang.org/cl/9574043
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@ -204,6 +204,11 @@ func (p *Package) cdefs(f *File, srcfile string) string {
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// byte Z[4];
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// }
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if strings.HasPrefix(line, "type ") && strings.HasSuffix(line, " struct {") {
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if len(lines) > i+1 && lines[i+1] == "}" {
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// do not output empty struct
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i++
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continue
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}
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s := line[len("type ") : len(line)-len(" struct {")]
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printf("struct %s {\n", s)
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for i++; i < len(lines) && lines[i] != "}"; i++ {
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