Please help , will upvote

I am failing test-1 with this code. Here is the failing error. The problem is with the cd command. It is supposed to return 0 instead of 139.

this is my code

#include

#include

#include

#include

#include

#define MAX_CMD_LENGTH 1024

#define MAX_ARGS 64

char error_message[30] = "An error has occurred ";

int parse_input(char* input, char** args) {

int i = 0;

char* token = strtok(input, " \t ");

while (token != NULL) {

args[i++] = token;

token = strtok(NULL, " \t ");

}

args[i] = NULL;

return i;

}

//To implement the cd command using chdir() system call in the provided code, we need to modify the execute_cmd function to check if the command entered by the user is cd. If it is, then we change the directory using chdir() system call.Here is the modified execute_cmd function

int execute_cmd(char** args, char** path, int num_paths) {

if (args[0] == NULL) {

return 0; // empty command

}

if (strcmp(args[0], "cd") == 0) {

if (args[1] == NULL || args[2] != NULL) {

write(STDERR_FILENO, error_message, strlen(error_message));

return 1; // cd takes one argument

}

if (chdir(args[1]) == -1) {

write(STDERR_FILENO, error_message, strlen(error_message));

return 1; // chdir failed

}

return 0;

}

pid_t pid = fork();

if (pid == -1) {

write(STDERR_FILENO, error_message, strlen(error_message));

return 1;

} else if (pid == 0) {

// child process

int i;

for (i = 0; i

char cmd[MAX_CMD_LENGTH];

snprintf(cmd, sizeof(cmd), "%s/%s", path[i], args[0]);

execv(cmd, args);

}

// if we reach here, execv failed

write(STDERR_FILENO, error_message, strlen(error_message));

exit(1);

} else {

// parent process

int status;

waitpid(pid, &status, 0);

return WEXITSTATUS(status);

}

}

int main(int argc, char** argv) {

// initialize path with /bin

char* path[2] = {"/bin", NULL};

int num_paths = 1;

// check if we're in batch mode

FILE* input_file = NULL;

if (argc > 2) {

write(STDERR_FILENO, error_message, strlen(error_message));

return 1;

} else if (argc == 2) {

input_file = fopen(argv[1], "r");

if (input_file == NULL) {

write(STDERR_FILENO, error_message, strlen(error_message));

return 1;

}

}

// main loop

char* line = NULL;

size_t line_size = 0;

ssize_t line_len;

while (1) {

// prompt for input

if (input_file == NULL) {

printf("wish> ");

fflush(stdout);

}

// read input

line_len = getline(&line, &line_size, input_file != NULL ? input_file : stdin);

if (line_len == -1) {

// end of file or error

break;

} else if (line_len == 1) {

// empty line

continue;

} else if (strncmp(line, "exit", 4) == 0) {

// exit command

break;

} else {

// parse input

char* args[MAX_ARGS];

//int num_args = parse_input(line, args); unused variable

// execute command

int ret = execute_cmd(args, path, num_paths);

if (ret != 0) {

printf("Command returned with error code %d ", ret);

}

// check for exit command

if (strcmp(args[0], "exit") == 0) {

break;

}

}

// free memory

free(line);

line = NULL;

line_size = 0;

}

if (input_file != NULL) {

fclose(input_file);

}

return 0;

}

-bash: tests-in/1.rc: No such tile or directory aosiaos-vbox: / project-2/shell\$ diff tests/1.re tests-out/1.rc 1 ci 139 aoseaos-vbox: / project-2/shello