Add some missing source code documentation.

[paraslash.git] / write_common.c

diff --git a/write_common.c b/write_common.c
index dcf7bb166ade3f9efa4d04afd4fb55e67e9c2d8e..316c87ef1f818469c061cf9dc12635d1613fd4ad 100644 (file)
--- a/write_common.c
+++ b/write_common.c
@@ -27,6 +27,8 @@ static void wng_pre_select(__a_unused struct sched *s, struct task *t)
 
        FOR_EACH_WRITER_NODE(i, g) {
                struct writer_node *wn = &g->writer_nodes[i];
+               if (!wn->writer->pre_select)
+                       continue;
                t->error = wn->writer->pre_select(s, wn);
                if (t->error < 0)
                        return;
@@ -97,7 +99,9 @@ err_out:
                struct writer_node *wn = &g->writer_nodes[--i];
                wn->writer->close(wn);
        }
+       free(g->writer_nodes);
        g->num_writers = 0;
+       g->task.error = -E_TASK_UNREGISTERED;
        return ret;
 }
 
@@ -209,7 +213,11 @@ struct writer_node_group *setup_default_wng(void)
        wng->writer_nodes[0].conf = writers[DEFAULT_WRITER].parse_config("");
        return wng;
 }
-
+/**
+ * Print the help text of all writers to stdout.
+ *
+ * \param detailed Whether to print the detailed help text.
+ */
 void print_writer_helps(int detailed)
 {
        int i;