write: Improve help text of --writer.

[paraslash.git] / filter.c

diff --git a/filter.c b/filter.c
index 3b68857328b230877e2f8cd9061fb07ee789902c..9378e4695b6b113843d7d1b34a96ded4bdebd79e 100644 (file)
--- a/filter.c
+++ b/filter.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2005-2013 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005 Andre Noll <maan@tuebingen.mpg.de>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -24,6 +24,12 @@
 /** The list of all status items used by para_{server,audiod,gui}. */
 const char *status_item_list[] = {STATUS_ITEM_ARRAY};
 
+/**
+ * Dummy version which only contains NULL pointers.
+ *
+ * This is used by the amp filter which first tries to obtain the amplification
+ * value from an element in this array.
+ */
 char *stat_item_values[NUM_STAT_ITEMS] = {NULL};
 
 /** Initialize the array of errors for para_filter. */
@@ -52,7 +58,7 @@ __noreturn static void print_help_and_die(void)
 
        ggo_print_help(&h, d? GPH_STANDARD_FLAGS_DETAILED : GPH_STANDARD_FLAGS);
        print_filter_helps(d? GPH_MODULE_FLAGS_DETAILED : GPH_MODULE_FLAGS);
-       exit(0);
+       exit(EXIT_SUCCESS);
 }
 
 static int parse_config(void)
@@ -100,7 +106,7 @@ int main(int argc, char *argv[])
 {
        static struct sched s;
        int i, ret;
-       struct filter *f;
+       const struct filter *f;
        struct btr_node *parent;
        struct filter_node **fns;
 
@@ -112,13 +118,13 @@ int main(int argc, char *argv[])
                goto out;
        sit->btrn = btr_new_node(&(struct btr_node_description)
                EMBRACE(.name = "stdin"));
-       stdin_set_defaults(sit);
-       register_task(&s, &sit->task);
+       stdin_task_register(sit, &s);
 
        fns = para_malloc(conf.filter_given * sizeof(*fns));
        for (i = 0, parent = sit->btrn; i < conf.filter_given; i++) {
                char *fa = conf.filter_arg[i];
                struct filter_node *fn;
+               struct task_info ti;
 
                fn = fns[i] = para_calloc(sizeof(*fn));
                ret = check_filter_arg(fa, &fn->conf);
@@ -127,32 +133,33 @@ int main(int argc, char *argv[])
                        goto out_cleanup;
                }
                fn->filter_num = ret;
-               f = filters + fn->filter_num;
-               sprintf(fn->task.status, "%s", f->name);
+               f = filter_get(fn->filter_num);
                PARA_DEBUG_LOG("filter #%d: %s\n", i, f->name);
                fn->btrn = btr_new_node(&(struct btr_node_description)
                        EMBRACE(.name = f->name, .parent = parent,
                        .handler = f->execute, .context = fn));
-               fn->task.pre_select = f->pre_select;
-               fn->task.post_select = f->post_select;
+               ti.name = f->name;
+               ti.pre_select = f->pre_select;
+               ti.post_select = f->post_select;
+               ti.context = fn;
                f->open(fn);
-               register_task(&s, &fn->task);
+               fn->task = task_register(&ti, &s);
                parent = fn->btrn;
        }
        sot->btrn = btr_new_node(&(struct btr_node_description)
                EMBRACE(.name = "stdout", .parent = parent));
-       stdout_set_defaults(sot);
-       register_task(&s, &sot->task);
+       stdout_task_register(sot, &s);
 
        s.default_timeout.tv_sec = 1;
        s.default_timeout.tv_usec = 0;
        btr_log_tree(sit->btrn, LL_INFO);
        ret = schedule(&s);
+       sched_shutdown(&s);
 out_cleanup:
        for (i--; i >= 0; i--) {
                struct filter_node *fn = fns[i];
 
-               f = filters + fn->filter_num;
+               f = filter_get(fn->filter_num);
                if (f->close)
                        f->close(fn);
                btr_remove_node(&fn->btrn);