2 files changed, 7 insertions, 0 deletions
diff --git a/pc.l b/pc.l
index a8cde6c..229b763 100644
--- a/pc.l
+++ b/pc.l
@@ -3,6 +3,7 @@
 #include "scope.h"
 #include "y.tab.h"
 #include "pc.h"
+#include "assert.h"
 
 int line_num=1;
 extern scope *cur_scope;
@@ -38,6 +39,9 @@ input {
 	node *tmp;
 	tmp = scope_insert(cur_scope, strdup("write"));
 	tmp->func_info = malloc(sizeof(struct fi));
+	assert(tmp->func_info);
+	tmp->func_info->argc = -1;
+	tmp->func_info->argv = NULL;
 
 	return IO;
 }
diff --git a/pc.y b/pc.y
index 1ada604..4c4b276 100644
--- a/pc.y
+++ b/pc.y
@@ -219,6 +219,7 @@ sub_prog_head
 
 			tmp->func_info = malloc(sizeof(struct fi));
 			assert(tmp->func_info);
+			tmp->func_info->argv = NULL;
 			tmp->func_info->argc = i;
 			assert(tmp->func_info->argv = malloc(i * sizeof(int)));
 
@@ -247,7 +248,9 @@ sub_prog_head
 
 		tmp->func_info = malloc(sizeof(struct fi));
 		assert(tmp->func_info);
+		tmp->func_info->argv = NULL;
 		tmp->func_info->argc = i;
+
 		assert(tmp->func_info->argv = malloc(i * sizeof(int)));
 
 		assert(!set_func_types($3, tmp->func_info->argv, i));