Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use Error method of osutil Package

Best Syzkaller code snippet using osutil.Error

unixsocketutil.go

Source:unixsocketutil.go

...32	with func(net.Listener) error,33) error {34	exists, err := osutil.Exists(sockPath)35	if err != nil {36		return fmt.Errorf("ListenUnix: exists: %w", err)37	}38	// clean-up old socket39	if exists {40		if err := os.Remove(sockPath); err != nil {41			return fmt.Errorf("ListenUnix: cleanup previous: %w", err)42		}43	}44	listener, err := net.Listen("unix", sockPath)45	if err != nil {46		return fmt.Errorf("ListenUnix: %w", err)47	}48	defer func() { // socket file was created. cleanup, so hopefully the next user doesn't need os.Remove()49		_ = os.Remove(sockPath)50	}()51	listenerCtx, cancel := context.WithCancel(ctx) // explained in next block52	defer cancel()53	// stop listener when:54	//55	// a) parent ctx done56	// b) we're exiting due to Chmod() failing57	// c) with() exits due to listener not closed but Accept() failing (kinda grey area - can that happen?)58	//    ^ this signalled by defer cancel()59	go func() {60		<-listenerCtx.Done()61		listener.Close()62	}()63	if mode != nil {64		if err := os.Chmod(sockPath, *mode); err != nil {65			return fmt.Errorf("ListenUnix: %w", err)66		}67	}68	return with(listener)69}...

main.go

Source:main.go

...20		Short: "Connect to remote SSH server to make a persistent reverse tunnel",21		Args:  cobra.NoArgs,22		Run: func(cmd *cobra.Command, args []string) {23			logger := logex.StandardLogger()24			osutil.ExitIfError(connectToSshAndServeWithRetries(25				osutil.CancelOnInterruptOrTerminate(logger),26				logger))27		},28	})29	rootCmd.AddCommand(&cobra.Command{30		Use:   "write-systemd-file",31		Short: "Install unit file to start this on startup",32		Args:  cobra.NoArgs,33		Run: func(cmd *cobra.Command, args []string) {34			service := systemdinstaller.Service(35				"holepunch",36				"Reverse tunnel",37				systemdinstaller.Args("connect"),38				systemdinstaller.Docs(39					"https://github.com/function61/holepunch-client",40					"https://function61.com/"))41			osutil.ExitIfError(systemdinstaller.Install(service))42			fmt.Println(systemdinstaller.EnableAndStartCommandHints(service))43		},44	})45	rootCmd.AddCommand(&cobra.Command{46		Use:   "print-pubkey",47		Short: "Prints public key, in SSH authorized_keys format",48		Args:  cobra.NoArgs,49		Run: func(cmd *cobra.Command, args []string) {50			conf, err := readConfig()51			osutil.ExitIfError(err)52			key, err := signerFromPrivateKeyFile(conf.SshServer.PrivateKeyFilePath)53			osutil.ExitIfError(err)54			fmt.Println(string(ssh.MarshalAuthorizedKey(key.PublicKey())))55		},56	})57	rootCmd.AddCommand(&cobra.Command{58		Use:   "lint",59		Short: "Validates syntax of your config file",60		Args:  cobra.NoArgs,61		Run: func(cmd *cobra.Command, args []string) {62			_, err := readConfig()63			osutil.ExitIfError(err)64		},65	})66	osutil.ExitIfError(rootCmd.Execute())67}...

Error

Using AI Code Generation

1import (2func main() {3    file, err := os.Open("test.txt")4    if err != nil {5        fmt.Println(osutil.Error(err))6    }7    file.Close()8}

Error

Using AI Code Generation

1import (2func main() {3    user, err := user.Current()4    if err != nil {5        fmt.Println(err)6    }7    fmt.Println(home)8    err = os.MkdirAll(filepath.Join(home, "go", "src", "github.com", "example", "hello"), 0755)9    if err != nil {10        fmt.Println(err)11    }12    file, err := os.Create(filepath.Join(home, "go", "src", "github.com", "example", "hello", "hello.go"))13    if err != nil {14        fmt.Println(err)15    }16    file.WriteString("package main17    file.WriteString("import \"fmt\"18    file.WriteString("func main() {19    file.WriteString("fmt.Println(\"Hello, world!\")20    file.WriteString("}21    file.Close()22}23GoLang - osutil - MkdirAll() Method24func MkdirAll(path string, perm FileMode) error25import (26func main() {27    user, err := user.Current()28    if err != nil {29        fmt.Println(err)30    }

Error

Using AI Code Generation

1import (2func main() {3	usr, err := user.Current()4	if err != nil {5		fmt.Println(err)6	}7	dir, err := os.Getwd()8	if err != nil {9		fmt.Println(err)10	}11	path := filepath.Join(dir, "test.txt")12	err = os.Chown(path, int(usr.Uid), int(usr.Gid))13	if err != nil {14		fmt.Println(osutil.Error(err))15	}16}17import (18func main() {19	usr, err := user.Current()20	if err != nil {21		fmt.Println(err)22	}23	dir, err := os.Getwd()24	if err != nil {25		fmt.Println(err)26	}27	path := filepath.Join(dir, "test.txt")28	err = os.Chown(path, int(usr.Uid), int(usr.Gid))29	if err != nil {30		fmt.Println(osutil.Error(err))31	}32}33import (34func main() {35	usr, err := user.Current()36	if err != nil {37		fmt.Println(err)38	}39	dir, err := os.Getwd()40	if err != nil {41		fmt.Println(err)42	}43	path := filepath.Join(dir, "test.txt")44	err = os.Chown(path, int(usr.Uid), int(usr.Gid))

Error

Using AI Code Generation

1import (2func main() {3    user, err := user.Current()4    if err != nil {5        fmt.Println(osutil.Error(err))6    }7    fmt.Println("current user is", user.Username)8}

Error

Using AI Code Generation

1import (2func main() {3	err = osutil.Error("error", "message", "test", "test", "test", "test")4	fmt.Println(err)5}6import (7func main() {8    cmd := exec.Command("/bin/sh", "/home/user/go/src/test.sh")9    err := cmd.Run()10    if err != nil {11        fmt.Println(err)12    }13}14import (15func main() {16    env = append(env, "PATH=/usr/bin")17    env = append(env, "HOME=/home/user

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.