degesch: fix /invite

common.c

@@ -70,6 +70,17 @@ str_vector_find (const struct str_vector *v, const char *s)
 	return -1;
 }
 
+static char *
+str_vector_steal (struct str_vector *self, size_t i)
+{
+	// TODO: str_vector_remove() is then just free(str_vector_steal())
+	hard_assert (i < self->len);
+	char *tmp = self->vector[i];
+	memmove (self->vector + i, self->vector + i + 1,
+		(self->len-- - i) * sizeof *self->vector);
+	return tmp;
+}
+
 static int
 strncasecmp_ascii (const char *a, const char *b, size_t n)
 {