From 095f2fe731bfa0d941f505614a3aad223e846a19 Mon Sep 17 00:00:00 2001
From: borutr <borutr@4a8a32a2-be11-0410-ad9d-d568d2c75423>
Date: Sun, 30 Mar 2003 19:47:08 +0000
Subject: [PATCH] deallocates the item, if allready exsists, before adding the
 new one

git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@2442 4a8a32a2-be11-0410-ad9d-d568d2c75423
---
 src/SDCChasht.c | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/SDCChasht.c b/src/SDCChasht.c
index 07aa2ec5..dd6322d4 100644
--- a/src/SDCChasht.c
+++ b/src/SDCChasht.c
@@ -561,11 +561,21 @@ _hash (const char *sz)
 void 
 shash_add (hTab ** h, const char *szKey, const char *szValue)
 {
+  char *val;
   int key = _hash (szKey);
-  /* First, delete any that currently exist */
-  hTabDeleteByKey (h, key, szKey, _compare);
+
+  /* Find value of the item */
+  val = (char *)hTabFindByKey(*h, key, szKey, _compare);
+  /* Delete any that currently exist */
+  hTabDeleteByKey(h, key, szKey, _compare);
+  /* Deallocate old value in not NULL */
+  if (val != NULL)
+    Safe_free(val);
+  /* Duplicate new value if not NULL */
+  if (szValue != NULL)
+    szValue = Safe_strdup(szValue);
   /* Now add in ours */
-  hTabAddItemLong (h, key, Safe_strdup (szKey), Safe_strdup (szValue));
+  hTabAddItemLong (h, key, Safe_strdup (szKey), (void *)szValue);
 }
 
 const char *
-- 
2.30.2