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mirror of https://github.com/wader/fq.git synced 2024-11-23 00:57:15 +03:00
fq/dev/fuzzbytes.go
2024-04-21 09:50:02 +02:00

35 lines
675 B
Go

//go:build exclude
// tool to convert go fuzz input files to bytes
// Usage: cat format/testdata/fuzz/FuzzFormats/144bde49b40c90fd05d302ec90b6ddb2b6d6aea553bad520a8b954797e40fe72 | go run dev/fuzzbytes.go | go run .
package main
import (
"bytes"
"io"
"os"
"strconv"
)
func main() {
bs, err := io.ReadAll(os.Stdin)
if err != nil {
panic(err)
}
// Input looks like this:
// go test fuzz v1
// []byte("...")
prefix := []byte("[]byte(")
start := bytes.Index(bs, prefix) + len(prefix)
end := len(bs) - 2
s, err := strconv.Unquote(string(bs[start:end]))
if err != nil {
panic(err)
}
if _, err := os.Stdout.Write([]byte(s)); err != nil {
panic(err)
}
}