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-rw-r--r--libdiskfs/dir-mkfile.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/libdiskfs/dir-mkfile.c b/libdiskfs/dir-mkfile.c
new file mode 100644
index 00000000..83158916
--- /dev/null
+++ b/libdiskfs/dir-mkfile.c
@@ -0,0 +1,85 @@
+/*
+ Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation
+
+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 the GNU Hurd; see the file COPYING. If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+/* Written by Michael I. Bushnell. */
+
+#include "priv.h"
+#include "fs_S.h"
+#include <fcntl.h>
+
+/* Implement dir_mkfile as described in <hurd/fs.defs>. */
+kern_return_t
+diskfs_S_dir_mkfile (struct protid *cred,
+ int flags,
+ mode_t mode,
+ mach_port_t *newnode,
+ mach_msg_type_name_t *newnodetype)
+{
+ struct node *dnp, *np;
+ error_t err;
+ struct protid *newpi;
+
+ if (!cred)
+ return EOPNOTSUPP;
+ if (diskfs_check_readonly ())
+ return EROFS;
+ dnp = cred->po->np;
+ mutex_lock (&dnp->lock);
+ if (!S_ISDIR (dnp->dn_stat.st_mode))
+ {
+ mutex_unlock (&dnp->lock);
+ return ENOTDIR;
+ }
+ err = fshelp_access (&dnp->dn_stat, S_IWRITE, cred->user);
+ if (err)
+ {
+ mutex_unlock (&dnp->lock);
+ return err;
+ }
+
+ mode &= ~(S_IFMT | S_ISPARE | S_ISVTX);
+ mode |= S_IFREG;
+ err = diskfs_create_node (dnp, 0, mode, &np, cred, 0);
+ mutex_unlock (&dnp->lock);
+
+ if (diskfs_synchronous)
+ {
+ diskfs_file_update (dnp, 1);
+ diskfs_file_update (np, 1);
+ }
+
+ if (err)
+ return err;
+
+ flags &= (O_READ | O_WRITE | O_EXEC);
+ err = diskfs_create_protid (diskfs_make_peropen (np, flags, cred->po),
+ cred->user, &newpi);
+ if (! err)
+ {
+ *newnode = ports_get_right (newpi);
+ *newnodetype = MACH_MSG_TYPE_MAKE_SEND;
+ ports_port_deref (newpi);
+ }
+
+ diskfs_nput (np);
+
+ return err;
+}
+
+