summaryrefslogtreecommitdiff
path: root/libdiskfs/opts-get.c
diff options
context:
space:
mode:
authorMiles Bader <miles@gnu.org>1995-11-06 20:18:30 +0000
committerMiles Bader <miles@gnu.org>1995-11-06 20:18:30 +0000
commitf311cedf0b66b77f375fee514c0861b4605f4c59 (patch)
tree8dbbe712bfd67cbb2cc56d981a3200b6e64de318 /libdiskfs/opts-get.c
parentd05ff8fdaa1260bbd24701f47349136d844ad575 (diff)
Initial revision
Diffstat (limited to 'libdiskfs/opts-get.c')
-rw-r--r--libdiskfs/opts-get.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/libdiskfs/opts-get.c b/libdiskfs/opts-get.c
new file mode 100644
index 00000000..3d84b372
--- /dev/null
+++ b/libdiskfs/opts-get.c
@@ -0,0 +1,58 @@
+/* Get run-time 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 "priv.h"
+
+error_t
+diskfs_get_options (char **argz, unsigned *argz_len)
+{
+ extern int diskfs_sync_interval;
+
+ void append_opt (char *str)
+ {
+ unsigned old_end = *argz_len;
+ *argz_len += strlen (str) + 1;
+ *argz = realloc (*argz, *argz_len);
+ strcpy (*argz + old_end, str);;
+ }
+
+ *argz = 0;
+ *argz_len = 0;
+
+ if (diskfs_readonly)
+ append_opt ("--readonly");
+ else
+ append_opt ("--writable");
+
+ if (diskfs_synchronous)
+ append_opt ("--sync");
+ else if (diskfs_sync_interval == 0)
+ append_opt ("--nosync");
+ else
+ {
+ char buf[80];
+ sprintf (buf, "--sync=%d", diskfs_sync_interval);
+ append_opt (buf);
+ }
+
+ return 0;
+}