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-rw-r--r--sbin/dhclient/alloc.c344
1 files changed, 344 insertions, 0 deletions
diff --git a/sbin/dhclient/alloc.c b/sbin/dhclient/alloc.c
new file mode 100644
index 00000000000..ad976a33d25
--- /dev/null
+++ b/sbin/dhclient/alloc.c
@@ -0,0 +1,344 @@
+/* alloc.c
+
+ Memory allocation... */
+
+/*
+ * Copyright (c) 1995, 1996, 1998 The Internet Software Consortium.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of The Internet Software Consortium nor the names
+ * of its contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
+ * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This software has been written for the Internet Software Consortium
+ * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
+ * Enterprises. To learn more about the Internet Software Consortium,
+ * see ``http://www.vix.com/isc''. To learn more about Vixie
+ * Enterprises, see ``http://www.vix.com''.
+ */
+
+#include "dhcpd.h"
+
+struct dhcp_packet *dhcp_free_list;
+struct packet *packet_free_list;
+
+void * dmalloc(size, name)
+ int size;
+ char *name;
+{
+ void *foo = calloc(size, sizeof(char));
+ if (!foo)
+ warn ("No memory for %s.", name);
+ return foo;
+}
+
+void dfree(ptr, name)
+ void *ptr;
+ char *name;
+{
+ if (!ptr) {
+ warn ("dfree %s: free on null pointer.", name);
+ return;
+ }
+ free (ptr);
+}
+
+struct packet *new_packet(name)
+ char *name;
+{
+ struct packet *rval;
+ rval = (struct packet *)dmalloc(sizeof(struct packet), name);
+ return rval;
+}
+
+struct dhcp_packet *new_dhcp_packet(name)
+ char *name;
+{
+ struct dhcp_packet *rval;
+ rval = (struct dhcp_packet *)dmalloc(sizeof(struct dhcp_packet),
+ name);
+ return rval;
+}
+
+struct tree *new_tree(name)
+ char *name;
+{
+ struct tree *rval = dmalloc(sizeof(struct tree), name);
+ return rval;
+}
+
+struct string_list *new_string_list(size, name)
+ size_t size;
+ char * name;
+{
+ struct string_list *rval;
+
+ rval =dmalloc(sizeof(struct string_list) + size, name);
+ if (rval != NULL)
+ rval->string = ((char *)rval) + sizeof(struct string_list);
+ return rval;
+}
+
+struct tree_cache *free_tree_caches;
+
+struct tree_cache *new_tree_cache(name)
+ char *name;
+{
+ struct tree_cache *rval;
+
+ if (free_tree_caches) {
+ rval = free_tree_caches;
+ free_tree_caches =
+ (struct tree_cache *)(rval->value);
+ } else {
+ rval = dmalloc(sizeof(struct tree_cache), name);
+ if (!rval)
+ error("unable to allocate tree cache for %s.", name);
+ }
+ return rval;
+}
+
+struct hash_table *new_hash_table(count, name)
+ int count;
+ char *name;
+{
+ struct hash_table *rval;
+ rval = dmalloc(sizeof (struct hash_table)
+ - (DEFAULT_HASH_SIZE * sizeof(struct hash_bucket *))
+ + (count * sizeof(struct hash_bucket *)), name);
+ if (rval == NULL)
+ return NULL;
+ rval->hash_count = count;
+ return rval;
+}
+
+struct hash_bucket *new_hash_bucket(name)
+ char *name;
+{
+ struct hash_bucket *rval = dmalloc(sizeof(struct hash_bucket), name);
+ return rval;
+}
+
+struct lease *new_leases(n, name)
+ int n;
+ char *name;
+{
+ struct lease *rval = dmalloc(n * sizeof(struct lease), name);
+ return rval;
+}
+
+struct lease *new_lease(name)
+ char *name;
+{
+ struct lease *rval = dmalloc(sizeof(struct lease), name);
+ return rval;
+}
+
+struct subnet *new_subnet(name)
+ char *name;
+{
+ struct subnet *rval = dmalloc(sizeof(struct subnet), name);
+ return rval;
+}
+
+struct class *new_class(name)
+ char *name;
+{
+ struct class *rval = dmalloc(sizeof(struct class), name);
+ return rval;
+}
+
+struct shared_network *new_shared_network(name)
+ char *name;
+{
+ struct shared_network *rval =
+ dmalloc (sizeof(struct shared_network), name);
+ return rval;
+}
+
+struct group *new_group(name)
+ char *name;
+{
+ struct group *rval =
+ dmalloc(sizeof(struct group), name);
+ return rval;
+}
+
+struct protocol *new_protocol(name)
+ char *name;
+{
+ struct protocol *rval = dmalloc(sizeof(struct protocol), name);
+ return rval;
+}
+
+struct lease_state *free_lease_states;
+
+struct lease_state *new_lease_state (name)
+ char *name;
+{
+ struct lease_state *rval;
+
+ if (free_lease_states) {
+ rval = free_lease_states;
+ free_lease_states =
+ (struct lease_state *)(free_lease_states->next);
+ } else {
+ rval = dmalloc (sizeof (struct lease_state), name);
+ }
+ return rval;
+}
+
+struct domain_search_list *new_domain_search_list (name)
+ char *name;
+{
+ struct domain_search_list *rval =
+ dmalloc (sizeof (struct domain_search_list), name);
+ return rval;
+}
+
+struct name_server *new_name_server (name)
+ char *name;
+{
+ struct name_server *rval =
+ dmalloc (sizeof (struct name_server), name);
+ return rval;
+}
+
+void free_name_server (ptr, name)
+ struct name_server *ptr;
+ char *name;
+{
+ dfree (ptr, name);
+}
+
+void free_domain_search_list (ptr, name)
+ struct domain_search_list *ptr;
+ char *name;
+{
+ dfree (ptr, name);
+}
+
+void free_lease_state (ptr, name)
+ struct lease_state *ptr;
+ char *name;
+{
+ if (ptr->prl)
+ dfree (ptr->prl, name);
+ ptr->next = free_lease_states;
+ free_lease_states = ptr;
+}
+
+void free_protocol (ptr, name)
+ struct protocol *ptr;
+ char *name;
+{
+ dfree (ptr, name);
+}
+
+void free_group (ptr, name)
+ struct group *ptr;
+ char *name;
+{
+ dfree (ptr, name);
+}
+
+void free_shared_network (ptr, name)
+ struct shared_network *ptr;
+ char *name;
+{
+ dfree (ptr, name);
+}
+
+void free_class (ptr, name)
+ struct class *ptr;
+ char *name;
+{
+ dfree (ptr, name);
+}
+
+void free_subnet (ptr, name)
+ struct subnet *ptr;
+ char *name;
+{
+ dfree (ptr, name);
+}
+
+void free_lease (ptr, name)
+ struct lease *ptr;
+ char *name;
+{
+ dfree (ptr, name);
+}
+
+void free_hash_bucket (ptr, name)
+ struct hash_bucket *ptr;
+ char *name;
+{
+ dfree (ptr, name);
+}
+
+void free_hash_table (ptr, name)
+ struct hash_table *ptr;
+ char *name;
+{
+ dfree (ptr, name);
+}
+
+void free_tree_cache (ptr, name)
+ struct tree_cache *ptr;
+ char *name;
+{
+ ptr->value = (unsigned char *)free_tree_caches;
+ free_tree_caches = ptr;
+}
+
+void free_packet (ptr, name)
+ struct packet *ptr;
+ char *name;
+{
+ dfree (ptr, name);
+}
+
+void free_dhcp_packet (ptr, name)
+ struct dhcp_packet *ptr;
+ char *name;
+{
+ dfree (ptr, name);
+}
+
+void free_tree (ptr, name)
+ struct tree *ptr;
+ char *name;
+{
+ dfree (ptr, name);
+}
+
+void free_string_list (ptr, name)
+ struct string_list *ptr;
+ char *name;
+{
+ dfree (ptr, name);
+}