Initial revision

3 files changed, 199 insertions, 0 deletions

diff --git a/libdiskfs/opts-runtime-parse.c b/libdiskfs/opts-runtime-parse.c
new file mode 100644
index 00000000..d46d3175
--- /dev/null
+++ b/libdiskfs/opts-runtime-parse.c
@@ -0,0 +1,28 @@
+/* A default diskfs_parse_runtime_options routine
+
+   Copyright (C) 1995 Free Software Foundation, Inc.
+
+   This file is part of the GNU Hurd.
+
+   The GNU Hurd is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   The GNU Hurd is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "priv.h"
+
+error_t
+diskfs_parse_runtime_options (int argc, char **argv,
+			      struct options *standard_options)
+{
+  return options_parse (standard_options, argc, argv, 0, 0);
+}
diff --git a/libdiskfs/opts-set.c b/libdiskfs/opts-set.c
new file mode 100644
index 00000000..77929e7e
--- /dev/null
+++ b/libdiskfs/opts-set.c
@@ -0,0 +1,94 @@
+/* Parse run-time options
+
+   Copyright (C) 1995 Free Software Foundation, Inc.
+
+   This file is part of the GNU Hurd.
+
+   The GNU Hurd is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   The GNU Hurd is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "priv.h"
+
+#define SHORT_OPTIONS "rwsnm"
+
+static struct option long_options[] =
+{
+  {"readonly", no_argument, 0, 'r'},
+  {"writable", no_argument, 0, 'w'},
+  {"sync", optional_argument, 0, 's'},
+  {"nosync", no_argument, 0, 'n'},
+  {"remount", no_argument, 0, 'm'},
+  {0, 0, 0, 0}
+};
+
+error_t
+diskfs_set_options (int argc, char **argv)
+{
+  int readonly = diskfs_readonly;
+  int sync = diskfs_synchronous;
+  int sync_interval = -1;
+  error_t parse_opt (int opt, char *arg)
+    {
+      switch (opt)
+	{
+	case 'r':
+	  readonly = 1; break;
+	case 'w':
+	  readonly = 0; break;
+	case 'n':
+	  sync_interval = 0; sync = 0; break;
+	case 's':
+	  if (optarg)
+	    sync_interval = atoi (arg);
+	  else
+	    sync = 1;
+	default:
+	  return EINVAL;
+	}
+      return 0;
+    }
+  struct options options = { SHORT_OPTIONS, long_options, parse_opt, 0 };
+
+  /* Call the user option parsing routine, giving it our set of options to do
+     with as it pleases.  */
+  error_t err = diskfs_parse_runtime_options (argc, argv, &options);
+
+  if (err)
+    return err;
+
+  /* Do things in this order: change-read/write, remount, change-sync. */
+
+  /* Going writable seems easy, but how do we switch to readonly mode?  There
+     might be thread that are past the initial readonly checks which would
+     fail a !readonly assertion if we just set the variable...  */
+  if (!readonly)
+    diskfs_readonly = 0;
+
+  /* Remount...  */
+
+  /* Change sync mode.  */
+  if (sync)
+    {
+      diskfs_synchronous = 1;
+      diskfs_set_sync_interval (0); /* Don't waste time syncing.  */
+    }
+  else
+    {
+      diskfs_synchronous = 0;
+      if (sync_interval >= 0)
+	diskfs_set_sync_interval (sync_interval);
+    }
+
+  return 0;
+}
diff --git a/libdiskfs/opts-std-startup.c b/libdiskfs/opts-std-startup.c
new file mode 100644
index 00000000..699d516d
--- /dev/null
+++ b/libdiskfs/opts-std-startup.c
@@ -0,0 +1,77 @@
+/* Standard startup-time command line options
+
+   Copyright (C) 1995 Free Software Foundation, Inc.
+
+   Written by Miles Bader <miles@gnu.ai.mit.edu>
+
+   This file is part of the GNU Hurd.
+
+   The GNU Hurd is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   The GNU Hurd is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include <stdio.h>
+#include <options.h>
+#include "priv.h"
+
+/* ---------------------------------------------------------------- */
+
+#define STD_SHORT_OPTS "rwsnV"
+
+static struct option
+std_long_opts[] =
+{
+  {"readonly", no_argument, 0, 'r'},
+  {"writable", no_argument, 0, 'w'},
+  {"sync", optional_argument, 0, 's'},
+  {"nosync", no_argument, 0, 'n'},
+  {"version", no_argument, 0, 'V'},
+  {0, 0, 0, 0}
+};
+
+static error_t
+parse_std_startup_opt (int opt, char *arg)
+{
+  switch (opt)
+    {
+    case 'r':
+      diskfs_readonly = 1; break;
+    case 'w':
+      diskfs_readonly = 0; break;
+    case 's':
+      if (arg == NULL)
+	diskfs_synchronous = 1;
+      else
+	diskfs_default_sync_interval = atoi (arg);
+      break;
+    case 'n':
+      diskfs_synchronous = 0;
+      diskfs_default_sync_interval = 0;
+      break;
+    case 'V':
+      printf("%s %d.%d.%d\n", diskfs_server_name, diskfs_major_version,
+	     diskfs_minor_version, diskfs_edit_version);
+      exit(0);
+    default:
+      return EINVAL;
+    }
+
+  return 0;
+}
+
+/* This may be used with options_parse to parse standard diskfs startup
+   options, possible chained onto the end of a user options structure.  */
+static struct options std_startup_opts =
+  { STD_SHORT_OPTS, std_long_opts, parse_std_startup_opt, 0 };
+
+struct options *diskfs_standard_startup_options = &std_startup_opts;