1 files changed, 77 insertions, 0 deletions
diff --git a/security/nss/lib/jar/jar-ds.h b/security/nss/lib/jar/jar-ds.h
new file mode 100644
index 0000000000..9818c66c9a
--- /dev/null
+++ b/security/nss/lib/jar/jar-ds.h
@@ -0,0 +1,77 @@
+/* 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/. */
+
+#ifndef __JAR_DS_h_
+#define __JAR_DS_h_
+
+/* Typedefs */
+typedef struct ZZLinkStr ZZLink;
+typedef struct ZZListStr ZZList;
+
+/*
+** Circular linked list. Each link contains a pointer to the object that
+** is actually in the list.
+*/
+struct ZZLinkStr {
+    ZZLink *next;
+    ZZLink *prev;
+    JAR_Item *thing;
+};
+
+struct ZZListStr {
+    ZZLink link;
+};
+
+#define ZZ_InitList(lst)                 \
+    {                                    \
+        (lst)->link.next = &(lst)->link; \
+        (lst)->link.prev = &(lst)->link; \
+        (lst)->link.thing = 0;           \
+    }
+
+#define ZZ_ListEmpty(lst) ((lst)->link.next == &(lst)->link)
+
+#define ZZ_ListHead(lst) ((lst)->link.next)
+
+#define ZZ_ListTail(lst) ((lst)->link.prev)
+
+#define ZZ_ListIterDone(lst, lnk) ((lnk) == &(lst)->link)
+
+#define ZZ_AppendLink(lst, lnk)         \
+    {                                   \
+        (lnk)->next = &(lst)->link;     \
+        (lnk)->prev = (lst)->link.prev; \
+        (lst)->link.prev->next = (lnk); \
+        (lst)->link.prev = (lnk);       \
+    }
+
+#define ZZ_InsertLink(lst, lnk)         \
+    {                                   \
+        (lnk)->next = (lst)->link.next; \
+        (lnk)->prev = &(lst)->link;     \
+        (lst)->link.next->prev = (lnk); \
+        (lst)->link.next = (lnk);       \
+    }
+
+#define ZZ_RemoveLink(lnk)               \
+    {                                    \
+        (lnk)->next->prev = (lnk)->prev; \
+        (lnk)->prev->next = (lnk)->next; \
+        (lnk)->next = 0;                 \
+        (lnk)->prev = 0;                 \
+    }
+
+extern ZZLink *
+ZZ_NewLink(JAR_Item *thing);
+
+extern void
+ZZ_DestroyLink(ZZLink *link);
+
+extern ZZList *
+ZZ_NewList(void);
+
+extern void
+ZZ_DestroyList(ZZList *list);
+
+#endif /* __JAR_DS_h_ */