+
+/*
+ * Append a message arg to an array of them, resizing it if necessary.
+ * Really a simple vector-of-(char *) maintenance routine.
+ */
+void
+app_msgarg(struct msgs_array *msgs, char *cp)
+{
+ if(msgs->size >= msgs->max) {
+ msgs->max += MAXMSGS;
+ msgs->msgs = mh_xrealloc(msgs->msgs,
+ msgs->max * sizeof(*msgs->msgs));
+ }
+ msgs->msgs[msgs->size++] = cp;
+}
+
+/* Open a form or components file */
+int
+open_form(char **form, char *def)
+{
+ int in;
+ if (*form) {
+ if ((in = open (etcpath (*form), O_RDONLY)) == NOTOK)
+ adios (*form, "unable to open form file");
+ } else {
+ if ((in = open (etcpath (def), O_RDONLY)) == NOTOK)
+ adios (def, "unable to open default components file");
+ *form = def;
+ }
+ return in;
+}