para_write: Return proper error code.

[paraslash.git] / write.h

diff --git a/write.h b/write.h
index 1361fcf1d052b31596f1407a81cc485b5fa833e1..0044ae4f79d3cbde19d9d9dc5630bf048a6a6986 100644 (file)
--- a/write.h
+++ b/write.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2010 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006-2011 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -36,26 +36,20 @@ struct writer {
        /**
         * The command line parser of the writer.
         *
-        * It should check whether the command line options given by \a options are
-        * valid.  On success, it should return a pointer to the writer-specific
-        * configuration data determined by \a options.  Note that this might be called
-        * more than once with different values of \a options. \sa \ref free_config().
+        * It should check whether the command line options given by \a options
+        * are valid and return a pointer to the writer-specific configuration
+        * data determined by \a options. This function must either succeed or
+        * call exit(). Note that parse_config_or_die() might be called more
+        * than once with different values of \a options. \sa \ref
+        * free_config().
         */
-       void *(*parse_config)(const char *options);
+       void *(*parse_config_or_die)(const char *options);
        /**
         * Dellocate all configuration resources.
         *
-        * This should free whatever was allocated by \ref parse_config().
+        * This should free whatever was allocated by \ref parse_config_or_die().
         */
        void (*free_config)(void *config);
-       /**
-        * Open one instance of this writer.
-        *
-        * This function should perform any work necessary to write the incoming
-        * stream. To this aim, it may allocate its private data structure and store
-        * a pointer to that structure via the given writer_node parameter.
-        */
-       int (*open)(struct writer_node *);
        /**
         * Prepare the fd sets for select.
         *