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Remove CGO dependency from daemon_darwin.go #32

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Remove CGO dependency from daemon_darwin.go #32

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29 changes: 2 additions & 27 deletions daemon_darwin.go
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Original file line number Diff line number Diff line change
Expand Up @@ -3,38 +3,13 @@ package godaemon
// Copyright (c) 2013 VividCortex, Inc. All rights reserved.
// Please see the LICENSE file for applicable license terms.

//#include <mach-o/dyld.h>
import "C"

import (
"bytes"
"fmt"
"path/filepath"
"unsafe"
"os"
)

// GetExecutablePath returns the absolute path to the currently running
// executable. It is used internally by the godaemon package, and exported
// publicly because it's useful outside of the package too.
func GetExecutablePath() (string, error) {
PATH_MAX := 1024 // From <sys/syslimits.h>
exePath := make([]byte, PATH_MAX)
exeLen := C.uint32_t(len(exePath))

status, err := C._NSGetExecutablePath((*C.char)(unsafe.Pointer(&exePath[0])), &exeLen)

if err != nil {
return "", fmt.Errorf("_NSGetExecutablePath: %v", err)
}

// Not sure why this might happen with err being nil, but...
if status != 0 {
return "", fmt.Errorf("_NSGetExecutablePath returned %d", status)
}

// Convert from null-padded []byte to a clean string. (Can't simply cast!)
exePathStringLen := bytes.Index(exePath, []byte{0})
exePathString := string(exePath[:exePathStringLen])

return filepath.Clean(exePathString), nil
return os.Executable()
}