Feature Garbage Collector

Makefile

@@ -28,7 +28,7 @@ OBJ_DIR	:=	obj
 SRC_DIR	:=	src
 
 
-MODULES   := parser executer tokenizer utils map prompt command ast built_in env error print wildcard new
+MODULES   := parser executer tokenizer utils map prompt command ast built_in env error print wildcard new gc
 
 SRC_DIRS   := $(addprefix src/,$(MODULES))
 OBJ_DIRS := $(addprefix obj/,$(MODULES))
@@ -64,7 +64,8 @@ src/tokenizer/tokenize_word.c src/tokenizer/tokenizer.c src/utils/close.c  \
 src/utils/node_type_tostr.c src/utils/print_token.c src/utils/utils.c  \
 src/utils/utils_print.c src/wildcard/check_end.c src/wildcard/check_match.c  \
 src/wildcard/check_start.c src/wildcard/compare_char.c  \
-src/wildcard/vector_append_all.c src/wildcard/wildcard.c  
+src/wildcard/vector_append_all.c src/wildcard/wildcard.c \
+src/gc/gc.c
 
 OBJS       := $(patsubst $(SRC_DIR)/%.c,$(OBJ_DIR)/%.o,$(SRCS))
 

src/gc/gc.c

@@ -0,0 +1,40 @@
+
+#include "gc.h"
+#include "vector.h"
+
+static t_pvec	*get_garbages()
+{
+	static t_pvec *garbages;
+
+	if (garbages == NULL)
+		garbages = pvec_new(10);
+	return (garbages);
+}
+
+void	gc()
+{
+	t_pvec	*garbages;
+	int		index;
+
+	garbages = get_garbages();
+	index = garbages->len;
+	while (index >= 0)
+	{
+		free(garbages->arr[index]);
+		garbages->arr[index] = NULL;
+		garbages->len -= 1;
+		index--;
+	}
+}
+
+void	*new(size_t size)
+{
+	void	*allocated;
+	t_pvec	*garbages;
+
+	allocated = malloc(size);
+	garbages = get_garbages();
+	pvec_append(garbages, allocated);
+	return (allocated);
+}
+

src/gc/gc.h

@@ -0,0 +1,22 @@
+
+#ifndef GC_H
+# define GC_H
+# include <stdlib.h>
+
+/**
+ * Flushes all data that allocated.
+ * It should be used only when exiting the program
+ *
+ */
+void	gc();
+
+/**
+ * The new() function allocates a memory area.
+ * It differs from malloc(t_size) in that when you use new(t_size),
+ * the allocated memory is tracked for garbage collection with gc().
+ *
+ * @param size size of the data will be allocated
+ */
+void	*new(size_t size);
+
+#endif