X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/debe6624c1e9d4bf3243381153d1e173c849bcd8..4bc67cc550bcd9d5f93f88ae22a4f6ac7fafb5f7:/src/common/hash.cpp?ds=sidebyside

diff --git a/src/common/hash.cpp b/src/common/hash.cpp
index 3ba92c80ca..69b17fd56e 100644
--- a/src/common/hash.cpp
+++ b/src/common/hash.cpp
@@ -37,29 +37,36 @@ wxHashTable::wxHashTable (int the_key_type, int size)
 {
   n = size;
   current_position = -1;
-  current_node = NULL;
+  current_node = (wxNode *) NULL;
 
   key_type = the_key_type;
   hash_table = new wxList *[size];
   int i;
   for (i = 0; i < size; i++)
-    hash_table[i] = NULL;
+    hash_table[i] = (wxList *) NULL;
 }
 
 wxHashTable::~wxHashTable (void)
 {
+  Destroy();
+}
+
+void wxHashTable::Destroy(void)
+{
+  if (!hash_table) return;
   int i;
   for (i = 0; i < n; i++)
     if (hash_table[i])
       delete hash_table[i];
   delete[] hash_table;
+  hash_table = NULL;
 }
 
 bool wxHashTable::Create(int the_key_type, int size)
 {
   n = size;
   current_position = -1;
-  current_node = NULL;
+  current_node = (wxNode *) NULL;
 
   key_type = the_key_type;
   if (hash_table)
@@ -67,7 +74,7 @@ bool wxHashTable::Create(int the_key_type, int size)
   hash_table = new wxList *[size];
   int i;
   for (i = 0; i < size; i++)
-    hash_table[i] = NULL;
+    hash_table[i] = (wxList *) NULL;
   return TRUE;
 }
 
@@ -132,14 +139,14 @@ wxObject *wxHashTable::Get (long key, long value) const
 
   int position = (int) (k % n);
   if (!hash_table[position])
-    return NULL;
+    return (wxObject *) NULL;
   else
     {
       wxNode *node = hash_table[position]->Find (value);
       if (node)
 	return node->Data ();
       else
-	return NULL;
+	return (wxObject *) NULL;
     }
 }
 
@@ -152,14 +159,14 @@ wxObject *wxHashTable::Get (long key, const char *value) const
 
   int position = (int) (k % n);
   if (!hash_table[position])
-    return NULL;
+    return (wxObject *) NULL;
   else
     {
       wxNode *node = hash_table[position]->Find (value);
       if (node)
 	return node->Data ();
       else
-	return NULL;
+	return (wxObject *) NULL;
     }
 }
 
@@ -172,7 +179,7 @@ wxObject *wxHashTable::Get (long key) const
 
   int position = (int) (k % n);
   if (!hash_table[position])
-    return NULL;
+    return (wxObject *) NULL;
   else
     {
       wxNode *node = hash_table[position]->Find (k);
@@ -185,7 +192,7 @@ wxObject *wxHashTable::Get (const char *key) const
   int position = (int) (MakeKey (key) % n);
 
   if (!hash_table[position])
-    return NULL;
+    return (wxObject *) NULL;
   else
     {
       wxNode *node = hash_table[position]->Find (key);
@@ -202,7 +209,7 @@ wxObject *wxHashTable::Delete (long key)
 
   int position = (int) (k % n);
   if (!hash_table[position])
-    return NULL;
+    return (wxObject *) NULL;
   else
     {
       wxNode *node = hash_table[position]->Find (k);
@@ -213,7 +220,7 @@ wxObject *wxHashTable::Delete (long key)
 	  return data;
 	}
       else
-	return NULL;
+	return (wxObject *) NULL;
     }
 }
 
@@ -221,7 +228,7 @@ wxObject *wxHashTable::Delete (const char *key)
 {
   int position = (int) (MakeKey (key) % n);
   if (!hash_table[position])
-    return NULL;
+    return (wxObject *) NULL;
   else
     {
       wxNode *node = hash_table[position]->Find (key);
@@ -232,7 +239,7 @@ wxObject *wxHashTable::Delete (const char *key)
 	  return data;
 	}
       else
-	return NULL;
+	return (wxObject *) NULL;
     }
 }
 
@@ -245,7 +252,7 @@ wxObject *wxHashTable::Delete (long key, int value)
 
   int position = (int) (k % n);
   if (!hash_table[position])
-    return NULL;
+    return (wxObject *) NULL;
   else
     {
       wxNode *node = hash_table[position]->Find (value);
@@ -256,7 +263,7 @@ wxObject *wxHashTable::Delete (long key, int value)
 	  return data;
 	}
       else
-	return NULL;
+	return (wxObject *) NULL;
     }
 }
 
@@ -264,7 +271,7 @@ wxObject *wxHashTable::Delete (long key, const char *value)
 {
   int position = (int) (key % n);
   if (!hash_table[position])
-    return NULL;
+    return (wxObject *) NULL;
   else
     {
       wxNode *node = hash_table[position]->Find (value);
@@ -275,7 +282,7 @@ wxObject *wxHashTable::Delete (long key, const char *value)
 	  return data;
 	}
       else
-	return NULL;
+	return (wxObject *) NULL;
     }
 }
 
@@ -292,12 +299,12 @@ long wxHashTable::MakeKey (const char *string) const
 void wxHashTable::BeginFind (void)
 {
   current_position = -1;
-  current_node = NULL;
+  current_node = (wxNode *) NULL;
 }
 
 wxNode *wxHashTable::Next (void)
 {
-  wxNode *found = NULL;
+  wxNode *found = (wxNode *) NULL;
   bool end = FALSE;
   while (!end && !found)
     {
@@ -307,7 +314,7 @@ wxNode *wxHashTable::Next (void)
 	  if (current_position >= n)
 	    {
 	      current_position = -1;
-	      current_node = NULL;
+	      current_node = (wxNode *) NULL;
 	      end = TRUE;
 	    }
 	  else