+/*
+ * Insert or append ARROW command to list of hosts to be updated.
+ */
+insert(files, hosts, subcmds)
+ struct namelist *files, *hosts;
+ struct subcmd *subcmds;
+{
+ register struct cmd *c, *prev, *nc;
+ register struct namelist *h;
+
+ files = expand(files, E_VARS|E_SHELL);
+ hosts = expand(hosts, E_ALL);
+ for (h = hosts; h != NULL; free(h), h = h->n_next) {
+ /*
+ * Search command list for an update to the same host.
+ */
+ for (prev = NULL, c = cmds; c!=NULL; prev = c, c = c->c_next) {
+ if (strcmp(c->c_name, h->n_name) == 0) {
+ do {
+ prev = c;
+ c = c->c_next;
+ } while (c != NULL &&
+ strcmp(c->c_name, h->n_name) == 0);
+ break;
+ }
+ }
+ /*
+ * Insert new command to update host.
+ */
+ nc = ALLOC(cmd);
+ if (nc == NULL)
+ fatal("ran out of memory\n");
+ nc->c_type = ARROW;
+ nc->c_name = h->n_name;
+ nc->c_files = files;
+ nc->c_cmds = subcmds;
+ nc->c_next = c;
+ if (prev == NULL)
+ cmds = nc;
+ else
+ prev->c_next = nc;
+ /* update last_cmd if appending nc to cmds */
+ if (c == NULL)
+ last_cmd = nc;
+ }
+}
+
+/*
+ * Append DCOLON command to the end of the command list since these are always
+ * executed in the order they appear in the distfile.
+ */
+append(files, stamp, subcmds)
+ struct namelist *files;
+ char *stamp;
+ struct subcmd *subcmds;
+{
+ register struct cmd *c;
+
+ c = ALLOC(cmd);
+ if (c == NULL)
+ fatal("ran out of memory\n");
+ c->c_type = DCOLON;
+ c->c_name = stamp;
+ c->c_files = expand(files, E_ALL);
+ c->c_cmds = subcmds;
+ c->c_next = NULL;
+ if (cmds == NULL)
+ cmds = last_cmd = c;
+ else {
+ last_cmd->c_next = c;
+ last_cmd = c;
+ }
+}
+
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