Made memory pool braindead simple, we will make complex one in further chapters...

chapter/chapter_5.c

@@ -22,46 +22,18 @@ static number_t game_set_screen_height (game_t * game, number_t height) { return
 @
 */
 
-game_t   game;
-player_t player;
-memory_t memory_pool;
-
-static memory_t memorize (memory_t data, number_t size) {
-	static memory_t memory_data       = NULL;
-	static number_t memory_used       = 0;
-	static number_t memory_block_size = 4096;
-	static number_t memory_block_used = 0;
-
-	/* Show an example of incremental reallocation with for loop from libhl early prototype. */
+#define MEMORY_LIMIT (1024 * 1024)
 
-	fatal_failure (size >= memory_block_size, "memorize: You're trying to re/allocate huge chunk of memory.");
-
-	if (memory_used + size >= memory_block_used * memory_block_size) {
-		memory_pool = reallocate (memory_pool, ++memory_block_used * memory_block_size);
-
-		for (number_t offset = 0; offset != memory_block_size; ++offset) {
-			string_t cast = (string_t) memory_pool + (memory_block_used - 1) * memory_block_size + offset;
-			* cast = '\0';
-		}
-	}
+static string_t memory_store [MEMORY_LIMIT];
 
-	if (data == NULL) {
-		memory_data = (string_t) memory_pool + memory_used;
+static memory_t memorize (number_t size) {
+	static number_t memory_count = 0;
 
-		memory_used += size;
-	} else {
-		memory_data = data;
+	fatal_failure (memory_count + size >= MEMORY_LIMIT, "memorize: You have reached the 1 MiB memory limit.");
 
-		memory_used += size;
+	memory_count += size;
 
-		for (number_t offset = 0; offset != size; ++offset) {
-			string_t cast_0 = (string_t) memory_pool + memory_used        - 1 - offset;
-			string_t cast_1 = (string_t) memory_pool + memory_used - size - 1 - offset;
-			* cast_0 = * cast_1;
-		}
-	}
-
-	return (memory_data);
+	return ((memory_t) ((string_t) memory_store + memory_count - size));
 }
 
 static void move_player (void) { ++player.x; }
@@ -86,6 +58,9 @@ static void game_synchronize (void) {
 	return;
 }
 
+game_t   game;
+player_t player;
+
 skill_t * game_skill (string_t name, bundle_t * points, ...) {
 	skill_t  * skill;
 	va_list    list;
@@ -93,22 +68,17 @@ skill_t * game_skill (string_t name, bundle_t * points, ...) {
 
 	va_start (list, points);
 
-	//~skill = allocate ((int) sizeof (* skill));
-	skill = memorize (NULL, (int) sizeof (* skill));
-
-	//~string_copy ((skill->name   = allocate (string_length (name) + 1)),       name);
-	//~memory_copy ((skill->points = allocate ((int) sizeof (* skill->points))), points, (int) sizeof (* points));
+	skill = memorize ((int) sizeof (* skill));
 
-	string_copy ((skill->name   = memorize (NULL, string_length (name) + 1)),       name);
-	memory_copy ((skill->points = memorize (NULL, (int) sizeof (* skill->points))), points, (int) sizeof (* points));
+	string_copy ((skill->name   = memorize (string_length (name) + 1)),       name);
+	memory_copy ((skill->points = memorize ((int) sizeof (* skill->points))), points, (int) sizeof (* points));
 
 	for (;;) {
 		action = (number_t) va_arg (list, int);
 
 		if (action > 0) {
 			skill->positive_count += 1;
-			//~skill->positive = reallocate (skill->positive, skill->positive_count * (int) sizeof (action));
-			skill->positive = memorize (skill->positive, skill->positive_count * (int) sizeof (action));
+			skill->positive = memorize ((int) sizeof (action));
 			skill->positive [skill->positive_count - 1] = (action_t) action;
 		} else break;
 	}
@@ -125,28 +95,23 @@ attribute_t * game_attribute (string_t name, bundle_t * points, ...) {
 
 	va_start (list, points);
 
-	//~attribute = allocate ((int) sizeof (* attribute));
-	attribute = memorize (NULL, (int) sizeof (* attribute));
+	attribute = memorize ((int) sizeof (* attribute));
 
-	//~string_copy ((attribute->name   = allocate (string_length (name) + 1)),           name);
-	//~memory_copy ((attribute->points = allocate ((int) sizeof (* attribute->points))), points, (int) sizeof (* points));
 
-	string_copy ((attribute->name   = memorize (NULL, string_length (name) + 1)),           name);
-	memory_copy ((attribute->points = memorize (NULL, (int) sizeof (* attribute->points))), points, (int) sizeof (* points));
+	string_copy ((attribute->name   = memorize (string_length (name) + 1)),           name);
+	memory_copy ((attribute->points = memorize ((int) sizeof (* attribute->points))), points, (int) sizeof (* points));
 
 	for (;;) {
 		action = (number_t) va_arg (list, int);
 
 		if (action > 0) {
 			attribute->positive_count += 1;
-			//~attribute->positive = reallocate (attribute->positive, attribute->positive_count * (int) sizeof (action));
-			attribute->positive = memorize (attribute->positive, attribute->positive_count * (int) sizeof (action));
+			attribute->positive = memorize ((int) sizeof (action));
 			attribute->positive [attribute->positive_count - 1] = (action_t) action;
 		} else if (action < 0) {
 			attribute->negative_count += 1;
-			//~attribute->negative = reallocate (attribute->negative, attribute->negative_count * (int) sizeof (action));
-			attribute->negative = memorize (attribute->negative, attribute->negative_count * (int) sizeof (action));
-			attribute->negative [attribute->negative_count - 1] = (action_t) -action;
+			attribute->negative = memorize ((int) sizeof (action));
+			attribute->negative [attribute->negative_count - 1] = (action_t) action;
 		} else {
 			break;
 		}
@@ -228,21 +193,17 @@ void play_game (void) {
 		game_synchronize ();
 	}
 
-	//~strength->name = deallocate (strength->name); strength->points = deallocate (strength->points);strength->positive = deallocate (strength->positive); strength->negative = deallocate (strength->negative); strength = deallocate (strength);
-	//~edurance->name = deallocate (edurance->name); edurance->points = deallocate (edurance->points);edurance->positive = deallocate (edurance->positive); edurance->negative = deallocate (edurance->negative); edurance = deallocate (edurance);
-	//~wisdom->name   = deallocate (wisdom->name);   wisdom->points   = deallocate (wisdom->points);  wisdom->positive   = deallocate (wisdom->positive);   wisdom->negative   = deallocate (wisdom->negative);   wisdom   = deallocate (wisdom);
-	//~agility->name  = deallocate (agility->name);  agility->points  = deallocate (agility->points); agility->positive  = deallocate (agility->positive);  agility->negative  = deallocate (agility->negative);  agility  = deallocate (agility);
-
-	//~blades->name = deallocate (blades->name); blades->points = deallocate (blades->points);blades->positive = deallocate (blades->positive);  blades = deallocate (blades);
-	//~axes->name = deallocate (axes->name); axes->points = deallocate (axes->points);axes->positive = deallocate (axes->positive); axes = deallocate (axes);
-	//~bows->name   = deallocate (bows->name);   bows->points   = deallocate (bows->points);  bows->positive   = deallocate (bows->positive);     bows   = deallocate (bows);
-	//~spears->name  = deallocate (spears->name);  spears->points  = deallocate (spears->points); spears->positive  = deallocate (spears->positive);  spears  = deallocate (spears);
-	//~puppet_magic->name = deallocate (puppet_magic->name); puppet_magic->points = deallocate (puppet_magic->points);puppet_magic->positive = deallocate (puppet_magic->positive); puppet_magic = deallocate (puppet_magic);
-	//~nature_magic->name = deallocate (nature_magic->name); nature_magic->points = deallocate (nature_magic->points);nature_magic->positive = deallocate (nature_magic->positive); nature_magic = deallocate (nature_magic);
-	//~rune_magic->name   = deallocate (rune_magic->name);   rune_magic->points   = deallocate (rune_magic->points);  rune_magic->positive   = deallocate (rune_magic->positive);   rune_magic   = deallocate (rune_magic);
-	//~charm_magic->name  = deallocate (charm_magic->name);  charm_magic->points  = deallocate (charm_magic->points); charm_magic->positive  = deallocate (charm_magic->positive);  charm_magic  = deallocate (charm_magic);
-
-	memory_pool = deallocate (memory_pool);
+//~char*a,*b,*c;
+//~a=memorize(12); string_copy(a,"heyo world\n"); terminal_colour(1,1); echo(a); terminal_cancel();
+//~b=memorize( 3); string_copy(b,"!\n");          terminal_colour(2,1); echo(b); terminal_cancel();
+//~c=memorize(12); string_copy(c,"cyaa world\n"); terminal_colour(3,1); echo(c); terminal_cancel();
+//~out(memory_store,512);
+//~terminal_colour(1,1); echo(number_to_string((int)a)); terminal_cancel();
+//~terminal_colour(2,1); echo(number_to_string((int)b)); terminal_cancel();
+//~terminal_colour(3,1); echo(number_to_string((int)c)); terminal_cancel(); echo("\n");
+//~terminal_colour(1,1); echo(a); terminal_cancel();
+//~terminal_colour(2,1); echo(b); terminal_cancel();
+//~terminal_colour(3,1); echo(c); terminal_cancel();
 }
 
 #endif

chapter/chapter_5.h

@@ -69,7 +69,6 @@ typedef struct player_t {
 	skill_t     puppet_magic, nature_magic, rune_magic, charm_magic;
 } player_t;
 
-extern memory_t memory_pool;
 extern game_t   game;
 extern player_t player;