if elem.Pointers() && uintptr(p)&(uintptr(elem.Align_)-1) != 0 {
		throw("checkptr: misaligned pointer conversion")
	}

	// Check that (*[n]elem)(p) doesn't straddle multiple heap objects.
	// TODO(mdempsky): Fix #46938 so we don't need to worry about overflow here.
	if checkptrStraddles(p, n*elem.Size_) {
		throw("checkptr: converted pointer straddles multiple allocations")
	}
}

//  limitations under the License.

package echo

var noChecker Checker = func(_ CallResult, err error) error {
	return err
}

// Checker inspects echo call results for errors.
type Checker func(CallResult, error) error

func (c Checker) Check(result CallResult, err error) error {
	return c(result, err)
}

// NoChecker provides a Checker that returns the original raw call error, unaltered.
func NoChecker() Checker {

cuiweixie <******@****.***> 1660643533 +0800

Tim Allclair <******@****.***> 1667427828 -0700

				checker.IncreaseMetricsCounter(req)
			}
		}
	} else if resp != nil {
		if resp.TLS != nil && len(resp.TLS.PeerCertificates) > 0 {
			for _, checker := range w.checkers {
				if checker.CheckPeerCertificates(resp.TLS.PeerCertificates) {
					checker.IncreaseMetricsCounter(req)
				}
			}
		}
	}

	return resp, err
}

be applied to static analyses, for the same benefits. Such analyses are
described as "modular".

A compiler’s type checker is an example of a modular static analysis.
Many other checkers we would like to apply to Go programs can be
understood as alternative or non-standard type systems. For example,
vet's printf checker infers whether a function has the "printf wrapper"
type, and it applies stricter checks to calls of such functions. In

For more about vet and its flags, see 'go doc cmd/vet'.
For more about specifying packages, see 'go help packages'.
For a list of checkers and their flags, see 'go tool vet help'.
For details of a specific checker such as 'printf', see 'go tool vet help printf'.

The -vettool=prog flag selects a different analysis tool with alternative
or additional checks.

	"k8s.io/klog/v2"
)

// HealthChecker is a named healthz checker.
type HealthChecker interface {
	Name() string
	Check(req *http.Request) error
}

// PingHealthz returns true automatically when checked
var PingHealthz HealthChecker = ping{}

// ping implements the simplest possible healthz checker.
type ping struct{}

func (ping) Name() string {
	return "ping"
}

	}{
		{"CheckPtrAlignmentPtr", "fatal error: checkptr: misaligned pointer conversion\n"},
		{"CheckPtrAlignmentNoPtr", ""},
		{"CheckPtrAlignmentNilPtr", ""},
		{"CheckPtrArithmetic", "fatal error: checkptr: pointer arithmetic result points to invalid allocation\n"},
		{"CheckPtrArithmetic2", "fatal error: checkptr: pointer arithmetic result points to invalid allocation\n"},
		{"CheckPtrSize", "fatal error: checkptr: converted pointer straddles multiple allocations\n"},

	"encoding/gob"
	"encoding/json"
	"flag"
	"fmt"
	"go/token"
	"io"
	"log"
	"os"
	"strconv"
	"strings"

	"golang.org/x/tools/go/analysis"
)

// flags common to all {single,multi,unit}checkers.
var (
	JSON    = false // -json
	Context = -1    // -c=N: if N>0, display offending line plus N lines of context
)

// Parse creates a flag for each of the analyzer's flags,