int main()

in cortado/rtas/src/linux_ditto_and_spawn_parent_child.c [28:52]

• 24 lines of code
• 5 McCabe index (conditional complexity)

int main(int argc, char *argv[]) {
    if (strcmp(argv[1], "childprocess") == 0) {
        printf("Spawning child process %s\n", argv[2]);
        char **command_args = split_command(argv[2]);
        
        pid_t pid = fork();
        if (pid == 0) {  // Child process
            execvp(command_args[0], command_args);
            perror("execvp");  // execvp will only return if there's an error
            exit(1);
        } else if (pid > 0) {  // Parent process
            wait(NULL);  // Wait for child process to finish
        } else {
            perror("fork");
            exit(1);
        }
    } else {
        for (int counter = 0; counter < argc; counter++)
            printf("argv[%2d]: %s\n", counter, argv[counter]);
        char *args[] = {"/bin/bash", NULL};
        execvp(args[0], args);
        perror("execvp");
    }
    return 0;
}