1	void getTextLine()
     2	{
     3	        destroyCommand();
     4	        while ((userInput != '\n') && (bufferChars < BUFFER_MAX_LENGTH)) {
     5	                buffer[bufferChars++] = userInput;
     6	                userInput = getchar();
     7	        }
     8	        buffer[bufferChars] = 0x00;
     9	        populateCommand();
    10	}
    11	void populateCommand()
    12	{
    13	        char* bufferPointer;
    14	        bufferPointer = strtok(buffer, " ");
    15	        while (bufferPointer != NULL) {
    16	                commandArgv[commandArgc] = bufferPointer;
    17	                bufferPointer = strtok(NULL, " ");
    18	                commandArgc++;
    19	        }
    20	}
    21	
    22	void destroyCommand()
    23	{
    24	        while (commandArgc != 0) {
    25	                commandArgv[commandArgc] = NULL;
    26	                commandArgc--;
    27	        }
    28	        bufferChars = 0;
    29	}
    30	
    31	
    32	t_job* insertJob(pid_t pid, pid_t pgid, char* name, char* descriptor,
    33	                 int status)
    34	{
    35	        usleep(10000);
    36	        t_job *newJob = malloc(sizeof(t_job));
    37	
    38	        newJob->name = (char*) malloc(sizeof(name));
    39	        newJob->name = strcpy(newJob->name, name);
    40	        newJob->pid = pid;
    41	        newJob->pgid = pgid;
    42	        newJob->status = status;
    43	        newJob->descriptor = (char*) malloc(sizeof(descriptor));
    44	        newJob->descriptor = strcpy(newJob->descriptor, descriptor);
    45	        newJob->next = NULL;
    46	
    47	        if (jobsList == NULL) {
    48	                numActiveJobs++;
    49	                newJob->id = numActiveJobs;
    50	                return newJob;
    51	        } else {
    52	                t_job *auxNode = jobsList;
    53	                while (auxNode->next != NULL) {
    54	                        auxNode = auxNode->next;
    55	                }
    56	                newJob->id = auxNode->id + 1;
    57	                auxNode->next = newJob;
    58	                numActiveJobs++;
    59	                return jobsList;
    60	        }
    61	}
    62	
    63	
    64	int changeJobStatus(int pid, int status)
    65	{
    66	        usleep(10000);
    67	        t_job *job = jobsList;
    68	        if (job == NULL) {
    69	                return 0;
    70	        } else {
    71	                int counter = 0;
    72	                while (job != NULL) {
    73	                        if (job->pid == pid) {
    74	                                job->status = status;
    75	                                return TRUE;
    76	                        }
    77	                        counter++;
    78	                        job = job->next;
    79	                }
    80	                return FALSE;
    81	        }
    82	}
    83	
    84	t_job* delJob(t_job* job)
    85	{
    86	        usleep(10000);
    87	        if (jobsList == NULL)
    88	                return NULL;
    89	        t_job* currentJob;
    90	        t_job* beforeCurrentJob;
    91	
    92	        currentJob = jobsList->next;
    93	        beforeCurrentJob = jobsList;
    94	
    95	        if (beforeCurrentJob->pid == job->pid) {
    96	
    97	                beforeCurrentJob = beforeCurrentJob->next;
    98	                numActiveJobs--;
    99	                return currentJob;
   100	        }
   101	
   102	        while (currentJob != NULL) {
   103	                if (currentJob->pid == job->pid) {
   104	                        numActiveJobs--;
   105	                        beforeCurrentJob->next = currentJob->next;
   106	                }
   107	                beforeCurrentJob = currentJob;
   108	                currentJob = currentJob->next;
   109	        }
   110	        return jobsList;
   111	}
   112	
   113	t_job* getJob(int searchValue, int searchParameter)
   114	{
   115	        usleep(10000);
   116	        t_job* job = jobsList;
   117	        switch (searchParameter) {
   118	        case BY_PROCESS_ID:
   119	                while (job != NULL) {
   120	                        if (job->pid == searchValue)
   121	                                return job;
   122	                        else
   123	                                job = job->next;
   124	                }
   125	                break;
   126	        case BY_JOB_ID:
   127	                while (job != NULL) {
   128	                        if (job->id == searchValue)
   129	                                return job;
   130	                        else
   131	                                job = job->next;
   132	                }
   133	                break;
   134	        case BY_JOB_STATUS:
   135	                while (job != NULL) {
   136	                        if (job->status == searchValue)
   137	                                return job;
   138	                        else
   139	                                job = job->next;
   140	                }
   141	                break;
   142	        default:
   143	                return NULL;
   144	                break;
   145	        }
   146	        return NULL;
   147	}
   148	
   149	void printJobs()
   150	{
   151	        printf("\nActive jobs:\n");
   152	        printf(
   153	                "---------------------------------------------------------------------------\n");
   154	        printf("| %7s  | %30s | %5s | %10s | %6s |\n", "job no.", "name", "pid",
   155	               "descriptor", "status");
   156	        printf(
   157	                "---------------------------------------------------------------------------\n");
   158	        t_job* job = jobsList;
   159	        if (job == NULL) {
   160	                printf("| %s %62s |\n", "No Jobs.", "");
   161	        } else {
   162	                while (job != NULL) {
   163	                        printf("|  %7d | %30s | %5d | %10s | %6c |\n", job->id, job->name,
   164	                               job->pid, job->descriptor, job->status);
   165	                        job = job->next;
   166	                }
   167	        }
   168	        printf(
   169	                "---------------------------------------------------------------------------\n");
   170	}
   171	
   172	void welcomeScreen()
   173	{
   174	        printf("\n-------------------------------------------------\n");
   175	        printf("\tWelcome to MINI-shell version \n");
   176	        //printf("\tThis is bdsh with process id: %d\n", (int) BDSH_PID);
   177	        puts("\tAuthor :Bharathi");
   178	        printf("-------------------------------------------------\n");
   179	        printf("\n\n");
   180	}
   181	
   182	void shellPrompt()
   183	{
   184	        printf("%s :> ",getcwd(currentDirectory, 1024));
   185	}