X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=src%2Fgroup.c;h=d8046a1545556813ecc1fab13edeba50d4d18f20;hb=HEAD;hp=3566557c4c7118b499dcae01b1da4b988d522e2d;hpb=e339aed5e0127c2aeac31e44425901192d10fb08;p=cascardo%2Fsgp.git

diff --git a/src/group.c b/src/group.c
index 3566557..d8046a1 100644
--- a/src/group.c
+++ b/src/group.c
@@ -19,23 +19,62 @@
 #include <sgp/group.h>
 #include <sgp/friend.h>
 #include <stdlib.h>
+#include <errno.h>
 
 struct sgp_group {
+	char *name;
 	struct sgp_friend **friends;
 	int nr_friends;
 };
 
-struct sgp_group * sgp_group_new()
+struct sgp_group * sgp_group_new(char *name)
 {
 	struct sgp_group *group;
 	group = malloc(sizeof(*group));
+	if (!group)
+		return NULL;
+	group->name = strdup(name);
+	if (!group->name)
+		goto out;
 	group->nr_friends = 0;
 	group->friends = NULL;
 	return group;
+out:
+	free(group);
+	return NULL;
 }
 
+void sgp_group_destroy(struct sgp_group *group)
+{
+	if (group->friends)
+		free(group->friends);
+	free(group->name);
+	free(group);
+}
+
+char * sgp_group_get_name(struct sgp_group *group)
+{
+	return group->name;
+}
+
+/*
+ * TODO: start using references. The group can't take it if we want to
+ * add a friend to more groups. A single global reference for all
+ * friends may be good enough.
+ */
 int sgp_group_add_friend(struct sgp_group *group, struct sgp_friend *friend)
 {
+	struct sgp_friend **old_friends;
+	old_friends = group->friends;
+	group->nr_friends++;
+	group->friends = realloc(old_friends,
+				group->nr_friends * sizeof(friend));
+	if (!group->friends) {
+		group->friends = old_friends;
+		group->nr_friends--;
+		return -ENOMEM;
+	}
+	group->friends[group->nr_friends - 1] = friend;
 	return 0;
 }