Add ctags/cscope files to .gitignore + clean rule

[onak.git] / mem.c

diff --git a/mem.c b/mem.c
index 1b9627cc145da0a1253295202e3580c5cb1a936f..83c63849f83b356ddfae5ab419dd8c4d17593a5e 100644 (file)
--- a/mem.c
+++ b/mem.c
@@ -1,18 +1,30 @@
 /*
  * mem.c - Routines to cleanup memory after use.
  *
- * Jonathan McDowell <noodles@earth.li>
+ * Copyright 2002-2004,2007 Jonathan McDowell <noodles@earth.li>
  *
- * Copyright 2002 Project Purple
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 51
+ * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-#include <assert.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include "keystructs.h"
 #include "ll.h"
 #include "mem.h"
+#include "stats.h"
 
 /**
  *     packet_dup - duplicate an OpenPGP packet.
@@ -26,7 +38,8 @@ struct openpgp_packet *packet_dup(struct openpgp_packet *packet)
 {
        struct openpgp_packet *newpacket = NULL;
 
-       assert(packet != NULL);
+       if (packet == NULL)
+               return NULL;
 
        newpacket = malloc(sizeof (struct openpgp_packet));
        if (newpacket != NULL) {
@@ -58,9 +71,6 @@ void packet_list_add(struct openpgp_packet_list **list,
                struct openpgp_packet_list **list_end,
                struct openpgp_packet_list *packet_list)
 {
-       assert(list != NULL);
-       assert(list_end != NULL);
-
        for (; packet_list != NULL; packet_list = packet_list->next) {
                ADD_PACKET_TO_LIST((*list_end),
                                packet_dup(packet_list->packet));
@@ -80,8 +90,6 @@ void packet_list_add(struct openpgp_packet_list **list,
  *     including the data part.
  */
 void free_packet(struct openpgp_packet *packet) {
-       assert(packet != NULL);
-
        if (packet->data != NULL) {
                free(packet->data);
                packet->data = NULL;
@@ -99,8 +107,6 @@ void free_packet(struct openpgp_packet *packet) {
 void free_packet_list(struct openpgp_packet_list *packet_list) {
        struct openpgp_packet_list *nextpacket = NULL;
 
-       assert(packet_list != NULL);
-
        while (packet_list != NULL) {
                nextpacket = packet_list->next;
                if (packet_list->packet != NULL) {
@@ -122,8 +128,6 @@ void free_signedpacket_list(
                struct openpgp_signedpacket_list *signedpacket_list) {
        struct openpgp_signedpacket_list *nextpacket = NULL;
 
-       assert(signedpacket_list != NULL);
-
        while (signedpacket_list != NULL) {
                nextpacket = signedpacket_list->next;
                if (signedpacket_list->packet != NULL) {
@@ -147,17 +151,15 @@ void free_signedpacket_list(
 void free_publickey(struct openpgp_publickey *key) {
        struct openpgp_publickey *nextkey = NULL;
 
-       assert(key != NULL);
-
        while (key != NULL) {
                nextkey = key->next;
                if (key->publickey != NULL) {
                        free_packet(key->publickey);
                        key->publickey = NULL;
                }
-               if (key->revocations != NULL) {
-                       free_packet_list(key->revocations);
-                       key->revocations = NULL;
+               if (key->sigs != NULL) {
+                       free_packet_list(key->sigs);
+                       key->sigs = NULL;
                }
                if (key->uids != NULL) {
                        free_signedpacket_list(key->uids);
@@ -171,3 +173,26 @@ void free_publickey(struct openpgp_publickey *key) {
                key = nextkey;
        }
 }
+
+/**
+ *     free_statskey - free an stats key structure.
+ *     @key: The key to free.
+ *
+ *     Takes a stats key and frees the memory used by it and the linked list
+ *     of sigs under it. Doesn't recurse into the list as it's assumed all the
+ *     objects referenced also exist in the hash.
+ */
+void free_statskey(struct stats_key *key)
+{
+       if (key != NULL) {
+               if (key->sigs != NULL) {
+                       llfree(key->sigs, NULL);
+                       key->sigs = NULL;
+               }
+               if (key->signs != NULL) {
+                       llfree(key->signs, NULL);
+                       key->signs = NULL;
+               }
+               free(key);
+       }
+}