2002-02-28 Victor V. Vengerov <vvv@oktet.ru>

	* DOS filesystem including FAT12, FAT16, and FAT32 support submitted.
	* src/dosfs, src/dosfs/Makefile.am, src/dosfs/stamp-h2.in,
	src/dosfs/config.h.in, src/dosfs/dosfs.h, src/dosfs/fat.c,
	src/dosfs/fat.h, src/dosfs/fat_fat_operations.c,
	src/dosfs/fat_fat_operations.h, src/dosfs/fat_file.c,
	src/dosfs/fat_file.h, src/dosfs/msdos.h, src/dosfs/msdos_create.c,
	src/dosfs/msdos_dir.c, src/dosfs/msdos_eval.c, src/dosfs/msdos_file.c,
	src/dosfs/msdos_free.c, src/dosfs/msdos_fsunmount.c,
	src/dosfs/msdos_handlers_dir.c, src/dosfs/msdos_handlers_file.c,
	src/dosfs/msdos_init.c, src/dosfs/msdos_initsupp.c,
	src/dosfs/msdos_misc.c, src/dosfs/msdos_mknod.c,
	src/dosfs/msdos_node_type.c, src/dosfs/.cvsignore: New files.
	* configure.ac, src/Makefile.am, wrapup/Makefile.am: Modified to
	reflect addition.

1 files changed, 90 insertions, 0 deletions

diff --git a/cpukit/libfs/src/dosfs/msdos_mknod.c b/cpukit/libfs/src/dosfs/msdos_mknod.c
new file mode 100644
index 0000000000..5e32dbf3bf
--- /dev/null
+++ b/cpukit/libfs/src/dosfs/msdos_mknod.c
@@ -0,0 +1,90 @@
+/*
+ *  Routine for node creation in MSDOS filesystem.
+ *
+ *  Copyright (C) 2001 OKTET Ltd., St.-Petersburg, Russia
+ *  Author: Eugeny S. Mints <Eugeny.Mints@oktet.ru>
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  @(#) $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <rtems.h>
+
+#include <rtems/libio_.h>
+
+#include "fat.h"
+#include "fat_fat_operations.h"
+#include "fat_file.h"
+
+#include "msdos.h"
+
+/* msdos_mknod --
+ *     The following function checks spelling and formats name for a new node,
+ *     determines type of the node to be created and creates it.
+ *
+ * PARAMETERS:
+ *     token   - non-formatted name of a new node
+ *     mode    - node type
+ *     dev     - dev
+ *     pathloc - parent directory description
+ *
+ * RETURNS:
+ *     RC_OK on succes, or -1 if error occured and set errno
+ *
+ */
+int 
+msdos_mknod(
+    const char                        *token,
+    mode_t                             mode, 
+    dev_t                              dev,
+    rtems_filesystem_location_info_t  *pathloc 
+    )
+{
+    int                  rc = RC_OK;  
+    rtems_status_code    sc = RTEMS_SUCCESSFUL;
+    msdos_fs_info_t     *fs_info = pathloc->mt_entry->fs_info; 
+    msdos_token_types_t  type = 0;
+    char                 new_name[ MSDOS_NAME_MAX + 1 ];
+    int                  len;
+
+    /* check spelling and format new node name */ 
+    msdos_get_token(token, new_name, &len);
+
+    /*
+     *  Figure out what type of msdos node this is.
+     */
+    if (S_ISDIR(mode))
+    {
+       type = MSDOS_DIRECTORY;
+    }   
+    else if (S_ISREG(mode))
+    {
+        type = MSDOS_REGULAR_FILE;
+    }  
+    else 
+        set_errno_and_return_minus_one(EINVAL);
+
+    sc = rtems_semaphore_obtain(fs_info->vol_sema, RTEMS_WAIT,
+                                MSDOS_VOLUME_SEMAPHORE_TIMEOUT);
+    if (sc != RTEMS_SUCCESSFUL)
+        set_errno_and_return_minus_one(EIO);
+
+    /* Create an MSDOS node */
+    rc = msdos_creat_node(pathloc, type, new_name, mode);
+
+    rtems_semaphore_release(fs_info->vol_sema);
+    return rc;
+}