Index: addons/ooh323cDriver.c
===================================================================
--- addons/ooh323cDriver.c	(revision 357541)
+++ addons/ooh323cDriver.c	(working copy)
@@ -145,14 +145,13 @@
 
 /* make new thread */
  if (cur == NULL) {
-	if (!(cur = ast_malloc(sizeof(struct callthread)))) {
+	if (!(cur = ast_calloc(1, sizeof(struct callthread)))) {
 		ast_log(LOG_ERROR, "Unable to allocate thread structure for call %s\n",
 							call->callToken);
 		return -1;
 	}
 
 	ast_module_ref(myself);
-	memset(cur, 0, sizeof(cur));
 	if ((socketpair(PF_LOCAL, SOCK_STREAM, 0, cur->thePipe)) == -1) {
 		ast_log(LOG_ERROR, "Can't create thread pipe for call %s\n", call->callToken);
 		free(cur);
Index: main/features.c
===================================================================
--- main/features.c	(revision 357541)
+++ main/features.c	(working copy)
@@ -3163,7 +3163,7 @@
 					res = builtin_features[x].operation(chan, peer, config, code, sense, NULL);
 				}
 				if (feature) {
-					memcpy(feature, &builtin_features[x], sizeof(feature));
+					memcpy(feature, &builtin_features[x], sizeof(*feature));
 				}
 				feature_detected = 1;
 				break;
@@ -3193,7 +3193,7 @@
 					if (operation) {
 						res = fge->feature->operation(chan, peer, config, code, sense, fge->feature);
 					}
-					memcpy(feature, fge->feature, sizeof(feature));
+					memcpy(feature, fge->feature, sizeof(*feature));
 					if (res != AST_FEATURE_RETURN_KEEPTRYING) {
 						AST_RWLIST_UNLOCK(&feature_groups);
 						break;
@@ -3226,7 +3226,7 @@
 				res = tmpfeature->operation(chan, peer, config, code, sense, tmpfeature);
 			}
 			if (feature) {
-				memcpy(feature, tmpfeature, sizeof(feature));
+				memcpy(feature, tmpfeature, sizeof(*feature));
 			}
 			if (res != AST_FEATURE_RETURN_KEEPTRYING) {
 				AST_RWLIST_UNLOCK(&feature_list);
Index: main/md5.c
===================================================================
--- main/md5.c	(revision 357541)
+++ main/md5.c	(working copy)
@@ -157,7 +157,7 @@
 	MD5Transform(ctx->buf, (uint32_t *) ctx->in);
 	byteReverse((unsigned char *) ctx->buf, 4);
 	memcpy(digest, ctx->buf, 16);
-	memset(ctx, 0, sizeof(ctx));	/* In case it's sensitive */
+	memset(ctx, 0, sizeof(*ctx));	/* In case it's sensitive */
 }
 
 #ifndef ASM_MD5
Index: res/res_crypto.c
===================================================================
--- res/res_crypto.c	(revision 357541)
+++ res/res_crypto.c	(working copy)
@@ -116,7 +116,6 @@
 		key->infd = -2;
 		return -1;
 	}
-	memset(buf, 0, sizeof(buf));
 	tmp = ast_hide_password(key->infd);
 	memset(buf, 0, size);
 	res = read(key->infd, buf, size);
Index: res/res_adsi.c
===================================================================
--- res/res_adsi.c	(revision 357541)
+++ res/res_adsi.c	(working copy)
@@ -586,7 +586,7 @@
 	int bytes = 0, res, gotstar = 0, pos = 0;
 	unsigned char current = 0;
 
-	memset(buf, 0, sizeof(buf));
+	memset(buf, 0, maxlen);
 
 	while (bytes <= maxlen) {
 		/* Wait up to a second for a digit */