Fixed handling of default mailbox in the absence of other mailbox arguments.

@@ -28,7 +28,24 @@ char *temp_filename;
 FILE *temp_file;
 mailbox_t mbox;
 
-/* Open temporary file for collecting incoming message */
+void
+collect_open_default ()
+{
+  size_t nmesg;
+  
+  if (mailbox_create (&mbox, default_mailbox) != 0
+      || mailbox_open (mbox, MU_STREAM_RDWR) != 0)
+    {
+      util_error ("can't open default mailbox %s: %s",
+		  default_mailbox, strerror (errno));
+      exit (1);
+    }
+
+  /* Suck in the messages */
+  mailbox_messages_count (mbox, &nmesg);
+}
+
+/* Open temporary file for collecting incoming messages */
 void
 collect_open_mailbox_file ()
 {
@@ -84,6 +101,9 @@ collect_create_mailbox ()
   size_t count;
   size_t nmesg;
 
+  if (!temp_file)
+    return;
+  
   fclose (temp_file);
 
   if (mailbox_create (&mbox, temp_filename) != 0
@@ -111,33 +131,34 @@ collect_output ()
   size_t i, count = 0;
   mailbox_t outbox = NULL;
   int saved_umask;
-  
-  if (!output_mailbox)
+
+  if (!temp_filename)
+    {
+      mailbox_expunge (mbox);
+      return 0;
+    }
+
+  if (!default_mailbox)
     {
       if (!user_name)
 	return 0;
-      asprintf (&output_mailbox, "%s/%s", _PATH_MAILDIR, user_name);
-      if (!output_mailbox)
+      asprintf (&default_mailbox, "%s/%s", _PATH_MAILDIR, user_name);
+      if (!default_mailbox)
 	{
 	  fprintf (stderr, "guimb: not enough memory\n");
 	  return 1;
 	}
     }
 
-  if (store_mailbox)
-    unlink (output_mailbox);
-  
   if (user_name)
-    {
-      saved_umask = umask (077);
-    }
+    saved_umask = umask (077);
   
-  if (mailbox_create_default (&outbox, output_mailbox) != 0
+  if (mailbox_create_default (&outbox, default_mailbox) != 0
       || mailbox_open (outbox, MU_STREAM_RDWR|MU_STREAM_CREAT) != 0)
     {
       mailbox_destroy (&outbox);
       fprintf (stderr, "guimb: can't open output mailbox %s: %s\n",
-	       output_mailbox, strerror (errno));
+	       default_mailbox, strerror (errno));
       return 1;
     }
 
@@ -171,6 +192,9 @@ collect_drop_mailbox ()
 {
   mailbox_close (mbox);
   mailbox_destroy (&mbox);
-  unlink (temp_filename);
-  free (temp_filename);
+  if (temp_filename)
+    {
+      unlink (temp_filename);
+      free (temp_filename);
+    }
 }

@@ -35,8 +35,7 @@ char *program_file;
 char *program_expr;
 int debug_guile;
 char *user_name;
-char *output_mailbox;
-int   store_mailbox;
+char *default_mailbox;
 static void usage (void);
 
 static int g_size;
@@ -87,8 +86,7 @@ main (int argc, char *argv[])
 	usage ();
 	exit (0);
       case 'm':
-	output_mailbox = optarg;
-	store_mailbox = 1;
+	default_mailbox = optarg;
 	break;
       case 'u':
 	user_name = optarg;
@@ -133,23 +131,26 @@ main (int argc, char *argv[])
     list_append (lst, smtp_record);
   }
 
-  collect_open_mailbox_file ();
-  if (store_mailbox && !argv[optind])
+  if (default_mailbox && !argv[optind])
     {
-      append_arg (output_mailbox);
-      collect_append_file (output_mailbox);
+      append_arg (default_mailbox);
+      collect_open_default ();
     }
-  
-  if (argv[optind])
+  else
     {
-      for (; argv[optind]; optind++)
+      collect_open_mailbox_file ();
+
+      if (argv[optind])
 	{
-	  append_arg (argv[optind]);
-	  collect_append_file (argv[optind]);
+	  for (; argv[optind]; optind++)
+	    {
+	      append_arg (argv[optind]);
+	      collect_append_file (argv[optind]);
+	    }
 	}
+      else 
+	collect_append_file ("-");
     }
-  else if (!store_mailbox)
-    collect_append_file ("-");
 
   append_arg (NULL);
   g_argc--;
@@ -175,12 +176,11 @@ static char usage_str[] =
   "Any arguments between -{ and -} are passed to the Scheme program verbatim.\n"
   "When both --file and --expression are specified, file is evaluated first.\n"
   "If no mailboxes are specified, the standard input is read.\n\n"
-  "The semantics of the default mailbox differs depending on whether\n"
-  "more mailbox arguments are specified in the command line. If they\n"
-  "are, any messages that are not deleted after executing the script\n"
-  "are appended to the default mailbox. Otherwise its contents is read,\n"
-  "processed and *replaced* by messages that remain undeleted after\n"
-  "executing the script.\n";
+  "The semantics of the default mailbox depends on whether more mailbox\n"
+  "arguments are specified in the command line. If they are, any messages\n"
+  "that are not deleted after executing the script are appended to the default\n"
+  "mailbox. Otherwise its contents is read, processed and *replaced* by\n" 
+  "messages that remain undeleted after executing the script.\n";
 
 void
 usage ()