recv_common.c: Improve documentation of check_receiver_arg().
[paraslash.git] / recv_common.c
index 20b6783218800a3be6d60d1efb8f2252e138a582..2d6aa74a55063da799f35d1b9abbe07b33aa59b4 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2012 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006-2014 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -50,19 +50,19 @@ static void *parse_receiver_args(int receiver_num, char *options)
 }
 
 /**
- * check if given string is a valid command line for any receiver
+ * Check if the given string is a valid receiver specifier.
  *
  * \param \ra string of the form receiver_name:options
  * \param receiver_num contains the number of the receiver upon success
  *
  * This function checks whether \a ra starts with the name of a supported
  * paraslash receiver, optinally followed by a colon and any options for that
- * receiver. If a valid receiver name was found and further are present, the
- * remaining part of \a ra is passed to that receiver's config parser.
+ * receiver. If a valid receiver name was found the remaining part of \a ra is
+ * passed to the receiver's config parser.
  *
- * \return On success, a pointer to the gengetopt args info struct is returned
- * and \a receiver_num contains the number of the receiver. Otherwise this function
- * returns \p NULL.
+ * \return On success, a pointer to the receiver-specific gengetopt args info
+ * struct is returned and \a receiver_num contains the number of the receiver.
+ * On errors, the function returns \p NULL.
  */
 void *check_receiver_arg(char *ra, int *receiver_num)
 {
@@ -92,22 +92,23 @@ void *check_receiver_arg(char *ra, int *receiver_num)
 /**
  * Print out the help texts to all receivers.
  *
- * \param detailed Whether the detailed help should be printed.
+ * \param flags Passed to \ref ggo_print_help().
  */
-void print_receiver_helps(int detailed)
+void print_receiver_helps(unsigned flags)
 {
        int i;
 
-       printf_or_die("\nAvailable receivers: \n\t");
+       printf_or_die("\nAvailable receivers: ");
        FOR_EACH_RECEIVER(i)
                printf_or_die("%s%s", i? " " : "", receivers[i].name);
-       printf_or_die("\n\n");
+       printf_or_die("\n");
        FOR_EACH_RECEIVER(i) {
                struct receiver *r = receivers + i;
                if (!r->help.short_help)
                        continue;
-               printf_or_die("Options for %s:\n", r->name);
-               ggo_print_help(&r->help, detailed);
+               printf_or_die("\n%s: %s", r->name,
+                       r->help.purpose);
+               ggo_print_help(&r->help, flags);
        }
 }