Function ValidateFilterCIDR

cli/cmd/bpftrace.go:90–99

ValidateFilterCIDR validates a CIDR string and returns the parsed IPNet. Returns nil and no error if input is empty (no filter). Returns error if input is non-empty but invalid.

(input string)

// Returns nil and no error if input is empty (no filter).
// Returns error if input is non-empty but invalid.
func ValidateFilterCIDR(input string) (*net.IPNet, error) {
	if input == "" {
		return nil, nil
	}
	_, ipnet, err := net.ParseCIDR(input)
	if err != nil {
		return nil, fmt.Errorf("%w: %q: %w", errInvalidCIDR, input, err)
	}
	return ipnet, nil
}

// ValidateOutputFormat validates the output format string.
func ValidateOutputFormat(input string) (TraceOutputFormat, error) {