Bug 318692: remove nsZlibAllocator.h since it's no longer used, r+sr=brendan

modules/libjar/nsZlibAllocator.h

@@ -1,103 +0,0 @@
-/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is mozilla.org code.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 2001
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either the GNU General Public License Version 2 or later (the "GPL"), or
- * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
-/* 
- * Allocator for zlib optimized for mozilla's use
- *
- */
-
-#define NBUCKETS 6
-#define BY4ALLOC_ITEMS 320
-
-class nsZlibAllocator;
-extern nsZlibAllocator *gZlibAllocator;
-
-class nsZlibAllocator {
- public:
-  struct nsMemBucket {
-    void *ptr;
-    PRUint32 size;
-
-    // Is this bucket available ?
-    // 1 : free
-    // 0 or negative : in use
-    // This is an int because we use atomic inc/dec to operate on it
-    PRInt32 available;
-  };
-
-  nsMemBucket mMemBucket[NBUCKETS];
-
-  nsZlibAllocator() {
-    memset(mMemBucket, 0, sizeof(mMemBucket));
-    for (PRUint32 i = 0; i < NBUCKETS; i++)
-      mMemBucket[i].available = 1;
-    return;
-  }
-
-  ~nsZlibAllocator() {
-    for (PRUint32 i = 0; i < NBUCKETS; i++)
-    {
-      PRBool claimed = Claim(i);
-      
-      // ASSERT that we claimed the bucked. If we cannot, then the bucket is in use.
-      // We don't attempt to free this ptr.
-      // This will most likely cause a leak of this memory.
-      PR_ASSERT(claimed);
-      
-      // Free bucket memory if not in use
-      if (claimed && mMemBucket[i].ptr)
-        free(mMemBucket[i].ptr);
-    }
-  }
-
-  // zlib allocators
-  void* zAlloc(PRUint32 items, PRUint32 size);
-  void  zFree(void *ptr);
-
-  // Bucket handling.
-  PRBool Claim(PRUint32 i) {
-    PRBool claimed = (PR_AtomicDecrement(&mMemBucket[i].available) == 0);
-    // Undo the claim, if claim failed
-    if (!claimed)
-      Unclaim(i);
-
-    return claimed;
-  }
-
-  void Unclaim(PRUint32 i) { PR_AtomicIncrement(&mMemBucket[i].available); }
-};
-