*
* Licensed under the GPL v2. For licencing details see COPYING.
*/
-/** \file filter.c the stand-alone filter program */
+
+/** \file filter.c The stand-alone filter program. */
#include "para.h"
#include "stdout.h"
#include "error.h"
-/** init the array of errors for para_filter */
+/** The list of all status items used by para_{server,audiod,gui}. */
+const char *status_item_list[] = {STATUS_ITEM_ARRAY};
+
+char *stat_item_values[NUM_STAT_ITEMS] = {NULL};
+
+/** Initialize the array of errors for para_filter. */
INIT_FILTER_ERRLISTS;
-/** the task that reads from stdin */
+/** The task that reads from stdin. */
static struct stdin_task stdin_task_struct;
-/** pointer to the stdin task */
+/** pointer to the stdin task. */
static struct stdin_task *sit = &stdin_task_struct;
-/** the task that filters the data */
+/** The task that filters the data. */
static struct filter_chain filter_chain_struct;
-/** pointer to the filter chain */
+/** Pointer to the filter chain. */
static struct filter_chain *fc = &filter_chain_struct;
-/** the task that writes converted data to stdout */
+/** The task that writes converted data to stdout. */
static struct stdout_task stdout_task_struct;
-/** pointer to the stdout task */
+/** Pointer to the stdout task. */
static struct stdout_task *sot = &stdout_task_struct;
-/** gengetopt struct that holds the command line args */
+/** Gengetopt struct that holds the command line args. */
static struct filter_args_info conf;
INIT_STDERR_LOGGING(conf.loglevel_arg);
fn = fc->filter_nodes + i;
ret = check_filter_arg(fa, &fn->conf);
if (ret < 0)
- return ret;
+ goto err;
fn->filter_num = ret;
fn->fc = fc;
INIT_LIST_HEAD(&fn->callbacks);
}
open_filters();
return 1;
+err:
+ free(fc->filter_nodes);
+ return ret;
}
static int parse_config(int argc, char *argv[])
if (!conf.list_filters_given)
return 1;
printf("available filters: ");
- for (i = 0; filters[i].name; i++)
+ FOR_EACH_SUPPORTED_FILTER(i)
printf("%s%s%s", i? " " : "", filters[i].name,
filters[i].parse_config? "*": "");
printf("\nFilters marked with \"*\" have further command line options. Try\n"
}
/**
- * para_filter's main function.
+ * The main function of para_filter.
*
- * para_filter reads data from stdin, converts it by using a chain
+ * Para_filter reads data from stdin, converts it by using a chain
* of filters (specified on the command line) and writes the resulting
* data to stdout.
*
- * \param argc number of command line options
- * \param argv vector of arguments
+ * \param argc Number of command line options.
+ * \param argv Vector of arguments.
*
* \return \a EXIT_SUCCESS on success, EXIT_FAILURE on errors.
*/
int main(int argc, char *argv[])
{
int ret;
- struct sched s;
+ static struct sched s;
stdin_set_defaults(sit);
sit->buf = para_malloc(sit->bufsize),
ret = init_filter_chain();
if (ret < 0)
goto out;
+ sit->output_error = &fc->task.error;
stdout_set_defaults(sot);
sot->buf = fc->outbuf;
s.default_timeout.tv_sec = 1;
s.default_timeout.tv_usec = 0;
ret = schedule(&s);
+ close_filters(fc);
out:
free(sit->buf);
- close_filters(fc);
if (ret < 0)
PARA_EMERG_LOG("%s\n", para_strerror(-ret));
return ret < 0? EXIT_FAILURE : EXIT_SUCCESS;