Delete bundled copy of NSS and replace with README.

nss/lib/ckfw/hash.c

Index: nss/lib/ckfw/hash.c
diff --git a/nss/lib/ckfw/hash.c b/nss/lib/ckfw/hash.c
deleted file mode 100644
index 50de4ce148b1697f3c4ee61a27049da005ed40f7..0000000000000000000000000000000000000000
--- a/nss/lib/ckfw/hash.c
+++ /dev/null
@@ -1,280 +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/. */
-
-/*
- * hash.c
- *
- * This is merely a couple wrappers around NSPR's PLHashTable, using
- * the identity hash and arena-aware allocators.  The reason I did
- * this is that hash tables are used in a few places throughout the
- * NSS Cryptoki Framework in a fairly stereotyped way, and this allows
- * me to pull the commonalities into one place.  Should we ever want
- * to change the implementation, it's all right here.
- */
-
-#ifndef CK_T
-#include "ck.h"
-#endif /* CK_T */
-
-/*
- * nssCKFWHash
- *
- *  nssCKFWHash_Create
- *  nssCKFWHash_Destroy
- *  nssCKFWHash_Add
- *  nssCKFWHash_Remove
- *  nssCKFWHash_Count
- *  nssCKFWHash_Exists
- *  nssCKFWHash_Lookup
- *  nssCKFWHash_Iterate
- */
-
-struct nssCKFWHashStr {
-    NSSCKFWMutex *mutex;
-
-    /*
-     * The invariant that mutex protects is:
-     *   The count accurately reflects the hashtable state.
-     */
-
-    PLHashTable *plHashTable;
-    CK_ULONG count;
-};
-
-static PLHashNumber
-nss_ckfw_identity_hash(
-    const void *key)
-{
-    return (PLHashNumber)((char *)key - (char *)NULL);
-}
-
-/*
- * nssCKFWHash_Create
- *
- */
-NSS_IMPLEMENT nssCKFWHash *
-nssCKFWHash_Create(
-    NSSCKFWInstance *fwInstance,
-    NSSArena *arena,
-    CK_RV *pError)
-{
-    nssCKFWHash *rv;
-
-#ifdef NSSDEBUG
-    if (!pError) {
-        return (nssCKFWHash *)NULL;
-    }
-
-    if (PR_SUCCESS != nssArena_verifyPointer(arena)) {
-        *pError = CKR_ARGUMENTS_BAD;
-        return (nssCKFWHash *)NULL;
-    }
-#endif /* NSSDEBUG */
-
-    rv = nss_ZNEW(arena, nssCKFWHash);
-    if (!rv) {
-        *pError = CKR_HOST_MEMORY;
-        return (nssCKFWHash *)NULL;
-    }
-
-    rv->mutex = nssCKFWInstance_CreateMutex(fwInstance, arena, pError);
-    if (!rv->mutex) {
-        if (CKR_OK == *pError) {
-            *pError = CKR_GENERAL_ERROR;
-        }
-        (void)nss_ZFreeIf(rv);
-        return (nssCKFWHash *)NULL;
-    }
-
-    rv->plHashTable = PL_NewHashTable(0, nss_ckfw_identity_hash,
-                                      PL_CompareValues, PL_CompareValues, &nssArenaHashAllocOps, arena);
-    if (!rv->plHashTable) {
-        (void)nssCKFWMutex_Destroy(rv->mutex);
-        (void)nss_ZFreeIf(rv);
-        *pError = CKR_HOST_MEMORY;
-        return (nssCKFWHash *)NULL;
-    }
-
-    rv->count = 0;
-
-    return rv;
-}
-
-/*
- * nssCKFWHash_Destroy
- *
- */
-NSS_IMPLEMENT void
-nssCKFWHash_Destroy(
-    nssCKFWHash *hash)
-{
-    (void)nssCKFWMutex_Destroy(hash->mutex);
-    PL_HashTableDestroy(hash->plHashTable);
-    (void)nss_ZFreeIf(hash);
-}
-
-/*
- * nssCKFWHash_Add
- *
- */
-NSS_IMPLEMENT CK_RV
-nssCKFWHash_Add(
-    nssCKFWHash *hash,
-    const void *key,
-    const void *value)
-{
-    CK_RV error = CKR_OK;
-    PLHashEntry *he;
-
-    error = nssCKFWMutex_Lock(hash->mutex);
-    if (CKR_OK != error) {
-        return error;
-    }
-
-    he = PL_HashTableAdd(hash->plHashTable, key, (void *)value);
-    if (!he) {
-        error = CKR_HOST_MEMORY;
-    } else {
-        hash->count++;
-    }
-
-    (void)nssCKFWMutex_Unlock(hash->mutex);
-
-    return error;
-}
-
-/*
- * nssCKFWHash_Remove
- *
- */
-NSS_IMPLEMENT void
-nssCKFWHash_Remove(
-    nssCKFWHash *hash,
-    const void *it)
-{
-    PRBool found;
-
-    if (CKR_OK != nssCKFWMutex_Lock(hash->mutex)) {
-        return;
-    }
-
-    found = PL_HashTableRemove(hash->plHashTable, it);
-    if (found) {
-        hash->count--;
-    }
-
-    (void)nssCKFWMutex_Unlock(hash->mutex);
-    return;
-}
-
-/*
- * nssCKFWHash_Count
- *
- */
-NSS_IMPLEMENT CK_ULONG
-nssCKFWHash_Count(
-    nssCKFWHash *hash)
-{
-    CK_ULONG count;
-
-    if (CKR_OK != nssCKFWMutex_Lock(hash->mutex)) {
-        return (CK_ULONG)0;
-    }
-
-    count = hash->count;
-
-    (void)nssCKFWMutex_Unlock(hash->mutex);
-
-    return count;
-}
-
-/*
- * nssCKFWHash_Exists
- *
- */
-NSS_IMPLEMENT CK_BBOOL
-nssCKFWHash_Exists(
-    nssCKFWHash *hash,
-    const void *it)
-{
-    void *value;
-
-    if (CKR_OK != nssCKFWMutex_Lock(hash->mutex)) {
-        return CK_FALSE;
-    }
-
-    value = PL_HashTableLookup(hash->plHashTable, it);
-
-    (void)nssCKFWMutex_Unlock(hash->mutex);
-
-    if (!value) {
-        return CK_FALSE;
-    } else {
-        return CK_TRUE;
-    }
-}
-
-/*
- * nssCKFWHash_Lookup
- *
- */
-NSS_IMPLEMENT void *
-nssCKFWHash_Lookup(
-    nssCKFWHash *hash,
-    const void *it)
-{
-    void *rv;
-
-    if (CKR_OK != nssCKFWMutex_Lock(hash->mutex)) {
-        return (void *)NULL;
-    }
-
-    rv = PL_HashTableLookup(hash->plHashTable, it);
-
-    (void)nssCKFWMutex_Unlock(hash->mutex);
-
-    return rv;
-}
-
-struct arg_str {
-    nssCKFWHashIterator fcn;
-    void *closure;
-};
-
-static PRIntn
-nss_ckfwhash_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;
-}
-
-/*
- * nssCKFWHash_Iterate
- *
- * NOTE that the iteration function will be called with the hashtable locked.
- */
-NSS_IMPLEMENT void
-nssCKFWHash_Iterate(
-    nssCKFWHash *hash,
-    nssCKFWHashIterator fcn,
-    void *closure)
-{
-    struct arg_str as;
-    as.fcn = fcn;
-    as.closure = closure;
-
-    if (CKR_OK != nssCKFWMutex_Lock(hash->mutex)) {
-        return;
-    }
-
-    PL_HashTableEnumerateEntries(hash->plHashTable, nss_ckfwhash_enumerator, &as);
-
-    (void)nssCKFWMutex_Unlock(hash->mutex);
-
-    return;
-}