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authorMichael I. Bushnell <mib@gnu.org>1994-01-31 20:19:43 +0000
committerMichael I. Bushnell <mib@gnu.org>1994-01-31 20:19:43 +0000
commit90fa2075458375905f5006dd61aae4e623eb6808 (patch)
tree5e81ba9cce1bede167032d219cef87e83e27e221 /libdiskfs/dir-mkdir.c
parent3f3941c063d0d7899cd687ffffc3a72828242295 (diff)
Formerly dir-mkdir.c.~2~
Diffstat (limited to 'libdiskfs/dir-mkdir.c')
-rw-r--r--libdiskfs/dir-mkdir.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/libdiskfs/dir-mkdir.c b/libdiskfs/dir-mkdir.c
new file mode 100644
index 00000000..17ce9db1
--- /dev/null
+++ b/libdiskfs/dir-mkdir.c
@@ -0,0 +1,64 @@
+/* libdiskfs implementation of fs.defs: dir_mkdir
+ Copyright (C) 1992, 1993, 1994 Free Software Foundation
+
+ This program 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.
+
+ This program 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"
+
+/* Implement dir_mkdir as found in <hurd/fs.defs>. */
+error_t
+diskfs_S_dir_mkdir (struct protid *dircred,
+ char *name,
+ mode_t mode)
+{
+ struct node *dnp;
+ struct node *np = 0;
+ struct dirstat ds = alloca (diskfs_dirstat_size);
+ int error;
+
+ if (!dircred)
+ return EOPNOTSUPP;
+
+ dnp = dircred->po->np;
+ if (readonly)
+ return EROFS;
+
+ mutex_lock (&dnp->lock);
+
+ error = diskfs_lookup (dnp, name, CREATE, 0, ds, dircred);
+
+ if (error == EAGAIN)
+ error = EEXIST;
+ if (!error)
+ error = EEXIST;
+
+ if (error != ENOENT)
+ {
+ diskfs_drop_dirstat (ds);
+ mutex_unlock (&dnp->lock);
+ return error;
+ }
+
+ mode &= ~(S_ISPARE | S_IFMT);
+ mode |= S_IFDIR;
+
+ error = diskfs_create_and_link (dnp, name, mode, &np, dircred, ds);
+
+ if (!error)
+ diskfs_nput (np);
+
+ mutex_unlock (&dnp->lock);
+ return error;
+}