Change the NSS and NSPR source tree to the new directory structure to be

mozilla/security/nss/lib/base/hash.c

Index: mozilla/security/nss/lib/base/hash.c
===================================================================
--- mozilla/security/nss/lib/base/hash.c	(revision 191424)
+++ mozilla/security/nss/lib/base/hash.c	(working copy)
@@ -1,377 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifdef DEBUG
-static const char CVS_ID[] = "@(#) $RCSfile: hash.c,v $ $Revision: 1.12 $ $Date: 2012/04/25 14:49:26 $";
-#endif /* DEBUG */
-
-/*
- * hash.c
- *
- * This is merely a couple wrappers around NSPR's PLHashTable, using
- * the identity hash and arena-aware allocators.
- * This is a copy of ckfw/hash.c, with modifications to use NSS types
- * (not Cryptoki types).  Would like for this to be a single implementation,
- * but doesn't seem like it will work.
- */
-
-#ifndef BASE_H
-#include "base.h"
-#endif /* BASE_H */
-
-#include "prbit.h"
-
-/*
- * nssHash
- *
- *  nssHash_Create
- *  nssHash_Destroy
- *  nssHash_Add
- *  nssHash_Remove
- *  nssHash_Count
- *  nssHash_Exists
- *  nssHash_Lookup
- *  nssHash_Iterate
- */
-
-struct nssHashStr {
-  NSSArena *arena;
-  PRBool i_alloced_arena;
-  PRLock *mutex;
-
-  /*
-   * The invariant that mutex protects is:
-   *   The count accurately reflects the hashtable state.
-   */
-
-  PLHashTable *plHashTable;
-  PRUint32 count;
-};
-
-static PLHashNumber
-nss_identity_hash
-(
-  const void *key
-)
-{
-  PRUint32 i = (PRUint32)key;
-  PR_ASSERT(sizeof(PLHashNumber) == sizeof(PRUint32));
-  return (PLHashNumber)i;
-}
-
-static PLHashNumber
-nss_item_hash
-(
-  const void *key
-)
-{
-  unsigned int i;
-  PLHashNumber h;
-  NSSItem *it = (NSSItem *)key;
-  h = 0;
-  for (i=0; i<it->size; i++)
-    h = PR_ROTATE_LEFT32(h, 4) ^ ((unsigned char *)it->data)[i];
-  return h;
-}
-
-static int
-nss_compare_items(const void *v1, const void *v2)
-{
-  PRStatus ignore;
-  return (int)nssItem_Equal((NSSItem *)v1, (NSSItem *)v2, &ignore);
-}
-
-/*
- * nssHash_create
- *
- */
-NSS_IMPLEMENT nssHash *
-nssHash_Create
-(
-  NSSArena *arenaOpt,
-  PRUint32 numBuckets,
-  PLHashFunction keyHash,
-  PLHashComparator keyCompare,
-  PLHashComparator valueCompare
-)
-{
-  nssHash *rv;
-  NSSArena *arena;
-  PRBool i_alloced;
-
-#ifdef NSSDEBUG
-  if( arenaOpt && PR_SUCCESS != nssArena_verifyPointer(arenaOpt) ) {
-    nss_SetError(NSS_ERROR_INVALID_POINTER);
-    return (nssHash *)NULL;
-  }
-#endif /* NSSDEBUG */
-
-  if (arenaOpt) {
-    arena = arenaOpt;
-    i_alloced = PR_FALSE;
-  } else {
-    arena = nssArena_Create();
-    i_alloced = PR_TRUE;
-  }
-
-  rv = nss_ZNEW(arena, nssHash);
-  if( (nssHash *)NULL == rv ) {
-    goto loser;
-  }
-
-  rv->mutex = PZ_NewLock(nssILockOther);
-  if( (PZLock *)NULL == rv->mutex ) {
-    goto loser;
-  }
-
-  rv->plHashTable = PL_NewHashTable(numBuckets, 
-                                    keyHash, keyCompare, valueCompare,
-                                    &nssArenaHashAllocOps, arena);
-  if( (PLHashTable *)NULL == rv->plHashTable ) {
-    (void)PZ_DestroyLock(rv->mutex);
-    goto loser;
-  }
-
-  rv->count = 0;
-  rv->arena = arena;
-  rv->i_alloced_arena = i_alloced;
-
-  return rv;
-loser:
-  (void)nss_ZFreeIf(rv);
-  return (nssHash *)NULL;
-}
-
-/*
- * nssHash_CreatePointer
- *
- */
-NSS_IMPLEMENT nssHash *
-nssHash_CreatePointer
-(
-  NSSArena *arenaOpt,
-  PRUint32 numBuckets
-)
-{
-  return nssHash_Create(arenaOpt, numBuckets, 
-                        nss_identity_hash, PL_CompareValues, PL_CompareValues);
-}
-
-/*
- * nssHash_CreateString
- *
- */
-NSS_IMPLEMENT nssHash *
-nssHash_CreateString
-(
-  NSSArena *arenaOpt,
-  PRUint32 numBuckets
-)
-{
-  return nssHash_Create(arenaOpt, numBuckets, 
-                        PL_HashString, PL_CompareStrings, PL_CompareStrings);
-}
-
-/*
- * nssHash_CreateItem
- *
- */
-NSS_IMPLEMENT nssHash *
-nssHash_CreateItem
-(
-  NSSArena *arenaOpt,
-  PRUint32 numBuckets
-)
-{
-  return nssHash_Create(arenaOpt, numBuckets, 
-                        nss_item_hash, nss_compare_items, PL_CompareValues);
-}
-
-/*
- * nssHash_Destroy
- *
- */
-NSS_IMPLEMENT void
-nssHash_Destroy
-(
-  nssHash *hash
-)
-{
-  (void)PZ_DestroyLock(hash->mutex);
-  PL_HashTableDestroy(hash->plHashTable);
-  if (hash->i_alloced_arena) {
-    nssArena_Destroy(hash->arena);
-  } else {
-    nss_ZFreeIf(hash);
-  }
-}
-
-/*
- * nssHash_Add
- *
- */
-NSS_IMPLEMENT PRStatus
-nssHash_Add
-(
-  nssHash *hash,
-  const void *key,
-  const void *value
-)
-{
-  PRStatus error = PR_FAILURE;
-  PLHashEntry *he;
-
-  PZ_Lock(hash->mutex);
-  
-  he = PL_HashTableAdd(hash->plHashTable, key, (void *)value);
-  if( (PLHashEntry *)NULL == he ) {
-    nss_SetError(NSS_ERROR_NO_MEMORY);
-  } else if (he->value != value) {
-    nss_SetError(NSS_ERROR_HASH_COLLISION);
-  } else {
-    hash->count++;
-    error = PR_SUCCESS;
-  }
-
-  (void)PZ_Unlock(hash->mutex);
-
-  return error;
-}
-
-/*
- * nssHash_Remove
- *
- */
-NSS_IMPLEMENT void
-nssHash_Remove
-(
-  nssHash *hash,
-  const void *it
-)
-{
-  PRBool found;
-
-  PZ_Lock(hash->mutex);
-
-  found = PL_HashTableRemove(hash->plHashTable, it);
-  if( found ) {
-    hash->count--;
-  }
-
-  (void)PZ_Unlock(hash->mutex);
-  return;
-}
-
-/*
- * nssHash_Count
- *
- */
-NSS_IMPLEMENT PRUint32
-nssHash_Count
-(
-  nssHash *hash
-)
-{
-  PRUint32 count;
-
-  PZ_Lock(hash->mutex);
-
-  count = hash->count;
-
-  (void)PZ_Unlock(hash->mutex);
-
-  return count;
-}
-
-/*
- * nssHash_Exists
- *
- */
-NSS_IMPLEMENT PRBool
-nssHash_Exists
-(
-  nssHash *hash,
-  const void *it
-)
-{
-  void *value;
-
-  PZ_Lock(hash->mutex);
-
-  value = PL_HashTableLookup(hash->plHashTable, it);
-
-  (void)PZ_Unlock(hash->mutex);
-
-  if( (void *)NULL == value ) {
-    return PR_FALSE;
-  } else {
-    return PR_TRUE;
-  }
-}
-
-/*
- * nssHash_Lookup
- *
- */
-NSS_IMPLEMENT void *
-nssHash_Lookup
-(
-  nssHash *hash,
-  const void *it
-)
-{
-  void *rv;
-
-  PZ_Lock(hash->mutex);
-
-  rv = PL_HashTableLookup(hash->plHashTable, it);
-
-  (void)PZ_Unlock(hash->mutex);
-
-  return rv;
-}
-
-struct arg_str {
-  nssHashIterator fcn;
-  void *closure;
-};
-
-static PRIntn
-nss_hash_enumerator
-(
-  PLHashEntry *he,
-  PRIntn index,
-  void *arg
-)
-{
-  struct arg_str *as = (struct arg_str *)arg;
-  as->fcn(he->key, he->value, as->closure);
-  return HT_ENUMERATE_NEXT;
-}
-
-/*
- * nssHash_Iterate
- *
- * NOTE that the iteration function will be called with the hashtable locked.
- */
-NSS_IMPLEMENT void
-nssHash_Iterate
-(
-  nssHash *hash,
-  nssHashIterator fcn,
-  void *closure
-)
-{
-  struct arg_str as;
-  as.fcn = fcn;
-  as.closure = closure;
-
-  PZ_Lock(hash->mutex);
-
-  PL_HashTableEnumerateEntries(hash->plHashTable, nss_hash_enumerator, &as);
-
-  (void)PZ_Unlock(hash->mutex);
-
-  return;
-}