Update NSS libSSL to NSS_3_15_BETA2.

net/third_party/nss/ssl/bodge/secitem_array.c

+/* 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/. */
+
+/*
+ * Support routines for SECItem data structure.
+ *
+ * $Id$
+ */
+
+#include "seccomon.h"
+#include "secitem.h"
+#include "secitem_array.h"
+#include "secerr.h"
+#include "secport.h"
+
+SECItemArray *
+SECITEM_AllocArray(PLArenaPool *arena, SECItemArray *array, unsigned int len)
+{
+    SECItemArray *result = NULL;
+    void *mark = NULL;
+
+    if (arena != NULL) {
+        mark = PORT_ArenaMark(arena);
+    }
+
+    if (array == NULL) {
+        if (arena != NULL) {
+            result = PORT_ArenaZAlloc(arena, sizeof(SECItemArray));
+        } else {
+            result = PORT_ZAlloc(sizeof(SECItemArray));
+        }
+        if (result == NULL) {
+            goto loser;
+        }
+    } else {
+        PORT_Assert(array->items == NULL);
+        result = array;
+    }
+
+    result->len = len;
+    if (len) {
+        if (arena != NULL) {
+            result->items = PORT_ArenaZNewArray(arena, SECItem, len);
+        } else {
+            result->items = PORT_ZNewArray(SECItem, len);
+        }
+        if (result->items == NULL) {
+            goto loser;
+        }
+    } else {
+        result->items = NULL;
+    }
+
+    if (mark) {
+        PORT_ArenaUnmark(arena, mark);
+    }
+    return(result);
+
+loser:
+    if ( arena != NULL ) {
+        if (mark) {
+            PORT_ArenaRelease(arena, mark);
+        }
+        if (array != NULL) {
+            array->items = NULL;
+            array->len = 0;
+        }
+    } else {
+        if (result != NULL && array == NULL) {
+            PORT_Free(result);
+        }
+        /*
+         * If array is not NULL, the above has set array->data and
+         * array->len to 0.
+         */
+    }
+    return(NULL);
+}
+
+static void
+secitem_FreeArray(SECItemArray *array, PRBool zero_items, PRBool freeit)
+{
+    unsigned int i;
+
+    if (!array || !array->len || !array->items)
+        return;
+
+    for (i=0; i<array->len; ++i) {
+        SECItem *item = &array->items[i];
+
+        if (item->data) {
+            if (zero_items) {
+                SECITEM_ZfreeItem(item, PR_FALSE);
+            } else {
+                SECITEM_FreeItem(item, PR_FALSE);
+            }
+        }
+    }
+    PORT_Free(array->items);
+
+    if (freeit)
+        PORT_Free(array);
+}
+
+void SECITEM_FreeArray(SECItemArray *array, PRBool freeit)
+{
+    secitem_FreeArray(array, PR_FALSE, freeit);
+}
+
+void SECITEM_ZfreeArray(SECItemArray *array, PRBool freeit)
+{
+    secitem_FreeArray(array, PR_TRUE, freeit);
+}
+
+SECItemArray *
+SECITEM_DupArray(PLArenaPool *arena, const SECItemArray *from)
+{
+    SECItemArray *result;
+    unsigned int i;
+
+    if (!from || !from->items || !from->len)
+        return NULL;
+
+    result = SECITEM_AllocArray(arena, NULL, from->len);
+    if (!result)
+        return NULL;
+
+    for (i=0; i<from->len; ++i) {
+        SECStatus rv = SECITEM_CopyItem(arena,
+                                        &result->items[i], &from->items[i]);
+        if (rv != SECSuccess) {
+            SECITEM_ZfreeArray(result, PR_TRUE);
+            return NULL;
+        }
+    }
+
+    return result;
+}