3 files changed, 7 insertions, 11 deletions
diff --git a/lib/libalpm/alpm_list.c b/lib/libalpm/alpm_list.c
index a43f8211..26fcb3dc 100644
--- a/lib/libalpm/alpm_list.c
+++ b/lib/libalpm/alpm_list.c
@@ -145,8 +145,10 @@ alpm_list_t *alpm_list_add_sorted(alpm_list_t *list, void *data, alpm_list_fn_cm
 
 		if(prev != NULL) {
 			prev->next = add;       /*  In middle.  */
+		} else {
+			list = add; /* At beginning, or new list */
 		}
-
+		
 		return(list);
 	}
 }
@@ -369,6 +371,7 @@ alpm_list_t *alpm_list_last(alpm_list_t *list)
  */
 void *alpm_list_getdata(const alpm_list_t *entry)
 {
+	if(entry == NULL) return(NULL);
 	return(entry->data);
 }
 
diff --git a/lib/libalpm/db.c b/lib/libalpm/db.c
index 84c05ccc..363ce2a5 100644
--- a/lib/libalpm/db.c
+++ b/lib/libalpm/db.c
@@ -55,14 +55,14 @@ pmdb_t *_alpm_db_new(char *root, char* dbpath, char *treename)
 {
 	pmdb_t *db;
 
-	db = (pmdb_t *)malloc(sizeof(pmdb_t));
+	db = calloc(1, sizeof(pmdb_t));
 	if(db == NULL) {
 		_alpm_log(PM_LOG_ERROR, _("malloc failed: could not allocate %d bytes"),
 				  sizeof(pmdb_t));
 		RET_ERR(PM_ERR_MEMORY, NULL);
 	}
 
-	db->path = (char *)malloc(strlen(root)+strlen(dbpath)+strlen(treename)+2);
+	db->path = calloc(1, strlen(root)+strlen(dbpath)+strlen(treename)+2);
 	if(db->path == NULL) {
 		_alpm_log(PM_LOG_ERROR, _("malloc failed: could not allocate %d bytes"),
 				  strlen(root)+strlen(dbpath)+strlen(treename)+2);
@@ -73,10 +73,6 @@ pmdb_t *_alpm_db_new(char *root, char* dbpath, char *treename)
 
 	STRNCPY(db->treename, treename, PATH_MAX);
 
-	db->pkgcache = NULL;
-	db->grpcache = NULL;
-	db->servers = NULL;
-
 	return(db);
 }
 
diff --git a/lib/libalpm/group.c b/lib/libalpm/group.c
index e0294ccb..3ec6338c 100644
--- a/lib/libalpm/group.c
+++ b/lib/libalpm/group.c
@@ -36,16 +36,13 @@ pmgrp_t *_alpm_grp_new()
 {
 	pmgrp_t* grp;
 
-	grp = (pmgrp_t *)malloc(sizeof(pmgrp_t));
+	grp = calloc(1, sizeof(pmgrp_t));
 	if(grp == NULL) {
 		_alpm_log(PM_LOG_ERROR, _("malloc failure: could not allocate %d bytes"),
 		                        sizeof(pmgrp_t));
 		RET_ERR(PM_ERR_MEMORY, NULL);
 	}
 
-	grp->name[0] = '\0';
-	grp->packages = NULL;
-
 	return(grp);
 }