func()

in sigar_aix.go [484:519]

• 28 lines of code
• 8 McCabe index (conditional complexity)

func (self *ProcEnv) Get(pid int) error {
	if self.Vars == nil {
		self.Vars = map[string]string{}
	}

	/* If buffer is not large enough, args are truncated */
	buf := make([]byte, 8192)
	info := C.struct_procsinfo64{}
	info.pi_pid = C.pid_t(pid)

	if _, err := C.getevars(unsafe.Pointer(&info), C.sizeof_struct_procsinfo64, (*C.char)(&buf[0]), 8192); err != nil {
		return err
	}

	bbuf := bytes.NewBuffer(buf)

	delim := []byte{61} // "="

	for {
		line, err := bbuf.ReadBytes(0)
		if err == io.EOF || line[0] == 0 {
			break
		}
		if err != nil {
			return err
		}

		pair := bytes.SplitN(chop(line), delim, 2)
		if len(pair) != 2 {
			return fmt.Errorf("Error reading process environment for PID: %d", pid)
		}
		self.Vars[string(pair[0])] = string(pair[1])
	}

	return nil
}