CGO, internal/syscall/unix < net/internal/cgotest;


`

// listStdPkgs returns the same list of packages as "go list std".
func listStdPkgs(goroot string) ([]string, error) {
	// Based on cmd/go's matchPackages function.
	var pkgs []string

	src := filepath.Join(goroot, "src") + string(filepath.Separator)
	walkFn := func(path string, d fs.DirEntry, err error) error {
		if err != nil || !d.IsDir() || path == src {

					}
					matchPackages(ctx, m, opts.Tags, omitStd, matchModules)
				} else {
					// Starting with the packages in the main module,
					// enumerate the full list of "all".
					m.Pkgs = ld.computePatternAll()
				}

			case m.Pattern() == "std" || m.Pattern() == "cmd":
				if m.Pkgs == nil {
					m.MatchPackages() // Locate the packages within GOROOT/src.
				}

	var writeCoverMetaAct *work.Action

	if cfg.BuildCoverPkg != nil {
		match := make([]func(*load.Package) bool, len(cfg.BuildCoverPkg))
		for i := range cfg.BuildCoverPkg {
			match[i] = load.MatchPackage(cfg.BuildCoverPkg[i], base.Cwd())
		}

		// Select for coverage all dependencies matching the -coverpkg
		// patterns.
		plist := load.TestPackageList(ctx, pkgOpts, pkgs)

		// the specific packages selected by the user-specified pattern(s).
		match = make([]func(*Package) bool, len(cfg.BuildCoverPkg))
		for i := range cfg.BuildCoverPkg {
			match[i] = MatchPackage(cfg.BuildCoverPkg[i], base.Cwd())
		}
	} else {
		// Without -coverpkg, instrument only packages in the main module
		// (if any), as well as packages/files specifically named on the
		// command line.