From 907e5ad4c33efe2c9e35ba60b3fe7979e1120166 Mon Sep 17 00:00:00 2001
From: standenboy <standenboy@seacrossedlovers.xyz>
Date: Tue, 7 May 2024 15:00:06 +0100
Subject: fixed mem leak in proto

---
 comp/lucas-standen-NEA/code/proto/ast/Makefile |   4 ++--
 comp/lucas-standen-NEA/code/proto/ast/ast      | Bin 20792 -> 24200 bytes
 comp/lucas-standen-NEA/code/proto/ast/astg.c   |  25 ++++++++++++++++---------
 3 files changed, 18 insertions(+), 11 deletions(-)

(limited to 'comp/lucas-standen-NEA/code/proto')

diff --git a/comp/lucas-standen-NEA/code/proto/ast/Makefile b/comp/lucas-standen-NEA/code/proto/ast/Makefile
index e11e20f..6074b00 100644
--- a/comp/lucas-standen-NEA/code/proto/ast/Makefile
+++ b/comp/lucas-standen-NEA/code/proto/ast/Makefile
@@ -1,4 +1,4 @@
 all: astg ast.c
-	cc ast.c astg.o -o ast
+	cc -ggdb ast.c astg.o -o ast
 astg: astg.c
-	cc astg.c -c -o astg.o
+	cc -ggdb astg.c -c -o astg.o
diff --git a/comp/lucas-standen-NEA/code/proto/ast/ast b/comp/lucas-standen-NEA/code/proto/ast/ast
index b4b4f9f..817c30e 100755
Binary files a/comp/lucas-standen-NEA/code/proto/ast/ast and b/comp/lucas-standen-NEA/code/proto/ast/ast differ
diff --git a/comp/lucas-standen-NEA/code/proto/ast/astg.c b/comp/lucas-standen-NEA/code/proto/ast/astg.c
index fc6fc8f..e96b771 100644
--- a/comp/lucas-standen-NEA/code/proto/ast/astg.c
+++ b/comp/lucas-standen-NEA/code/proto/ast/astg.c
@@ -19,11 +19,25 @@ typedef struct ast_node {
 	ast_node *left;
 } ast_node;
 
+void freeAst(ast_node *head){
+	if (head->left != NULL)
+		freeAst(head->left);
+	if (head->right != NULL)
+		freeAst(head->left);
+	free(head);
+}
+
 int exec(ast_node *exp){
-	if (exp->left != NULL)
+	if (exp->left != NULL){
 		exp->realLeft = exec(exp->left);
-	if (exp->right != NULL)
+		freeAst(exp->left);
+		exp->left = NULL;
+	}
+	if (exp->right != NULL){
 		exp->realRight = exec(exp->right);
+		freeAst(exp->right);
+		exp->right = NULL;
+	}
 
 	if (exp->operation == ADD)
 		return exp->realLeft+ exp->realRight;
@@ -36,10 +50,3 @@ int exec(ast_node *exp){
 	return 0;
 }
 
-void freeAst(ast_node *head){
-	if (head->left != NULL)
-		freeAst(head->left);
-	if (head->right != NULL)
-		freeAst(head->left);
-	free(head);
-}
-- 
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