From 6614d40162a58ad4ada331cbfa52e5a3252ffd55 Mon Sep 17 00:00:00 2001
From: felipebart <felipebart@cbd757d2-8441-0410-81db-47b75ec2d254>
Date: Tue, 18 Dec 2007 15:01:34 +0000
Subject: [PATCH] =?utf8?q?Concertando=20as=20fun=C3=A7=C3=B5es=20lookup=20?=
 =?utf8?q?e=20destroy?=
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git-svn-id: https://toypasc.googlecode.com/svn/trunk@12 cbd757d2-8441-0410-81db-47b75ec2d254
---
 symbol_table.c | 12 +++++++-----
 symbol_table.h |  2 +-
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/symbol_table.c b/symbol_table.c
index ae29fd7..1c35832 100755
--- a/symbol_table.c
+++ b/symbol_table.c
@@ -33,6 +33,7 @@ symbol_insert(Symbol * table, char const * name, int type)
 
     symbol = symbol_new(name);
     symbol->type = type;
+    symbol->next = table;
     return symbol;
     
 }
@@ -60,16 +61,17 @@ symbol_lookup(Symbol * table, char const * name)
 }
 
 void
-symbol_table_destroy(Symbol *table)
+symbol_table_destroy(Symbol **table)
 {
     Symbol *first;
-    Symbol *second;
-    first = table;
+    Symbol *to_kill;
+    first = *table;
+    *table = NULL;
 
     while(first != NULL){
-        second = first;
+        to_kill = first;
         first = first->next;
-        free(second);
+        free(to_kill);
     }
 
     free(first);
diff --git a/symbol_table.h b/symbol_table.h
index f7cc7db..a5287c9 100755
--- a/symbol_table.h
+++ b/symbol_table.h
@@ -16,7 +16,7 @@ typedef struct _symbol {
 
 Symbol *symbol_insert(Symbol *table, char const *name, int type);
 Symbol *symbol_lookup(Symbol *table, char const *name);
-void symbol_table_destroy(Symbol *table);
+void symbol_table_destroy(Symbol **table);
 void symbol_print(Symbol *symbol);
 void symbol_table_dump(Symbol *table);
 
-- 
2.11.4.GIT