dodanie poczatkow tree

Microshell/microshell.c

@@ -63,17 +63,84 @@ void spathf (char **argv, int *spath){
 		*spath = l;
 }
 
+void help (char **argv){
+	if (fork() == 0){
+		execlp("less", "less", "help", NULL);
+		perror("execlp");
+		exit(EXIT_FAILURE);
+	}
+	else
+		wait(NULL);
+}
+
+void exe (char **argv){
+	if (fork() == 0){
+		execvp(argv[0], argv);
+		perror("execvp");
+		exit(EXIT_FAILURE);
+	}
+	else
+		wait(NULL);
+}
+
+void tree (char **argv, char * directory){
+	if (argv[1] != NULL && argv[2] != NULL){
+		printf("Too many arguments\nshowtree takes no arguments \nor exacly 1 argument for desired directory\n");
+		return;
+	}
+	else if (argv[1] != NULL && argv[2] == NULL){
+		printf("Dokladnie 1 arg\n");
+		return;
+	}
+	else{
+		if (fork() == 0){
+			DIR *d;
+			struct dirent *ent;
+			char ndr[max], lastdir[max];
+			strcpy(ndr, directory);
+
+			while(1){
+				strcpy(lastdir, ndr);
+				if ((d = opendir(ndr)) != NULL){ /*wchodzimy do katalogu*/
+					while ((ent = readdir(d)) != NULL){ /*czytamy zawartosc*/
+						char *name = ent->d_name;
+						if (!(!strcmp(name, ".") || !strcmp(name, ".."))){ /*jesli nazwa rozna od . lub .. */
+							if (chdir(name) == 0){ /*udalo nam sie wejsc do katalogu*/
+								closedir(d);
+								printf("Katalog: %s\n", name);
+								getcwd(ndr, sizeof(ndr)); /*zmieniamy directory*/
+								break; /*break czytanie poprzedniego katalogu*/
+							}
+							else
+								printf("Plik: %s\n", name);
+						}
+					}
+				}
+				if (!strcmp(lastdir, ndr))
+					break; /*jezeli nie zmienilismy kat to wychodzimy zeby nie czytac tego samego jeszcze raz*/
+			}
+			exit(0);
+		}
+		else{
+			wait(NULL);
+			return;
+		}
+	}
+}
+
 int main (){
 	int spath = 1;
 	using_history();
+	struct passwd *p = getpwuid(getuid());
+
 	while (1){
 		char *argv[100];
 		char *komenda, *prompt, directory[max];
+
 		if (getcwd(directory, sizeof(directory)) == NULL){
 			perror("getcwd() error");
 			return -1;
 		}
-		struct passwd *p = getpwuid(getuid());
 
 		if (spath){
 			prompt = (char*)malloc(strlen(directory)+strlen(p->pw_name)+22 *sizeof(char));
@@ -109,24 +176,17 @@ int main (){
 			continue;
 		}
 		else if (!strcmp(argv[0], "help")){
-			if (fork() == 0){
+			help(argv);
-				execlp("less", "less", "help", NULL);
+			continue;
-				perror("execlp");
-				exit(EXIT_FAILURE);
 		}
-			else
+		else if (!strcmp(argv[0], "showtree")){
-				wait(NULL);
+			tree(argv, directory);
+			continue;
 		}
 		else if (!strcmp(argv[0], "exit"))
 			break;
 		else
-			if (fork() == 0){
+			exe(argv);
-				execvp(argv[0], argv);
-				perror("execvp");
-				exit(EXIT_FAILURE);
-			}
-			else
-				wait(NULL);
 
 		free(komenda);
 		free(prompt);

Microshell/opis

@@ -15,7 +15,10 @@ nie byo ncurses
 instaluje apt install
 i dorzucam do gcc -ncurses
 
-
+!!!
+dodam moja funkcje showtree ktora bedzie wyswietlac w formie drzewa strukture katalogow 
+oraz funkcje wyswietlajaca procesy proc
+!!!
 
 z komentarzy
 p->pw_name