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path: root/vendor/github.com/GeertJohan/go.rice/rice/writecoff.go
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package main

import (
	"fmt"
	"os"
	"reflect"

	"github.com/akavel/rsrc/binutil"
	"github.com/akavel/rsrc/coff"
)

// copied from github.com/akavel/rsrc
// LICENSE: MIT
// Copyright 2013-2014 The rsrc Authors. (https://github.com/akavel/rsrc/blob/master/AUTHORS)
func writeCoff(coff *coff.Coff, fnameout string) error {
	out, err := os.Create(fnameout)
	if err != nil {
		return err
	}
	defer out.Close()
	w := binutil.Writer{W: out}

	// write the resulting file to disk
	binutil.Walk(coff, func(v reflect.Value, path string) error {
		if binutil.Plain(v.Kind()) {
			w.WriteLE(v.Interface())
			return nil
		}
		vv, ok := v.Interface().(binutil.SizedReader)
		if ok {
			w.WriteFromSized(vv)
			return binutil.WALK_SKIP
		}
		return nil
	})

	if w.Err != nil {
		return fmt.Errorf("Error writing output file: %s", w.Err)
	}

	return nil
}