Add m-esr52 at 52.6.0

1 files changed, 64 insertions, 0 deletions

diff --git a/security/nss/lib/base/hashops.c b/security/nss/lib/base/hashops.c
new file mode 100644
index 000000000..57b30dd1f
--- /dev/null
+++ b/security/nss/lib/base/hashops.c
@@ -0,0 +1,64 @@
+/* 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/. */
+
+/*
+ * hashops.c
+ *
+ * This file includes a set of PLHashAllocOps that use NSSArenas.
+ */
+
+#ifndef BASE_H
+#include "base.h"
+#endif /* BASE_H */
+
+static void *PR_CALLBACK
+nss_arena_hash_alloc_table(void *pool, PRSize size)
+{
+    NSSArena *arena = (NSSArena *)NULL;
+
+#ifdef NSSDEBUG
+    if ((void *)NULL != arena) {
+        if (PR_SUCCESS != nssArena_verifyPointer(arena)) {
+            return (void *)NULL;
+        }
+    }
+#endif /* NSSDEBUG */
+
+    return nss_ZAlloc(arena, size);
+}
+
+static void PR_CALLBACK
+nss_arena_hash_free_table(void *pool, void *item)
+{
+    (void)nss_ZFreeIf(item);
+}
+
+static PLHashEntry *PR_CALLBACK
+nss_arena_hash_alloc_entry(void *pool, const void *key)
+{
+    NSSArena *arena = NULL;
+
+#ifdef NSSDEBUG
+    if ((void *)NULL != arena) {
+        if (PR_SUCCESS != nssArena_verifyPointer(arena)) {
+            return (void *)NULL;
+        }
+    }
+#endif /* NSSDEBUG */
+
+    return nss_ZNEW(arena, PLHashEntry);
+}
+
+static void PR_CALLBACK
+nss_arena_hash_free_entry(void *pool, PLHashEntry *he, PRUintn flag)
+{
+    if (HT_FREE_ENTRY == flag) {
+        (void)nss_ZFreeIf(he);
+    }
+}
+
+NSS_IMPLEMENT_DATA PLHashAllocOps nssArenaHashAllocOps = {
+    nss_arena_hash_alloc_table, nss_arena_hash_free_table,
+    nss_arena_hash_alloc_entry, nss_arena_hash_free_entry
+};