Remove, moved to cpukit.

1 files changed, 0 insertions, 353 deletions

diff --git a/c/src/exec/libfs/src/imfs/imfs_directory.c b/c/src/exec/libfs/src/imfs/imfs_directory.c
deleted file mode 100644
index dec1e0ec2d..0000000000
--- a/c/src/exec/libfs/src/imfs/imfs_directory.c
+++ /dev/null
@@ -1,353 +0,0 @@
-/*
- *  IMFS Directory Access Routines
- *
- *  COPYRIGHT (c) 1989-1999.
- *  On-Line Applications Research Corporation (OAR).
- *
- *  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 <chain.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <assert.h>
-#include <dirent.h>
-
-#include "imfs.h"
-#include <rtems/libio_.h>
-#include <rtems/seterr.h>
-
-/*
- *  imfs_dir_open
- *
- *  This rountine will verify that the node being opened as a directory is
- *  in fact a directory node. If it is then the offset into the directory 
- *  will be set to 0 to position to the first directory entry.
- */
-
-int imfs_dir_open( 
-  rtems_libio_t  *iop,
-  const char *pathname,
-  unsigned32 flag,
-  unsigned32 mode
-)
-{
-  IMFS_jnode_t      *the_jnode;
-
-  /* Is the node a directory ? */
-  the_jnode = (IMFS_jnode_t *) iop->file_info;
-
-  if ( the_jnode->type != IMFS_DIRECTORY )
-     return -1;      /* It wasn't a directory --> return error */
-
-  iop->offset = 0;
-  return 0;
-}
-
-/*
- *  imfs_dir_read
- *
- *  This routine will read the next directory entry based on the directory 
- *  offset. The offset should be equal to -n- time the size of an individual
- *  dirent structure. If n is not an integer multiple of the sizeof a 
- *  dirent structure, an integer division will be performed to determine 
- *  directory entry that will be returned in the buffer. Count should reflect
- *  -m- times the sizeof dirent bytes to be placed in the buffer.
- *  If there are not -m- dirent elements from the current directory position
- *  to the end of the exisiting file, the remaining entries will be placed in 
- *  the buffer and the returned value will be equal to -m actual- times the
- *  size of a directory entry.
- */
-
-int imfs_dir_read(
-  rtems_libio_t  *iop,
-  void *buffer,
-  unsigned32 count
-)
-{
-  /*
-   *  Read up to element  iop->offset in the directory chain of the
-   *  imfs_jnode_t struct for this file descriptor.
-   */
-   Chain_Node        *the_node;
-   Chain_Control     *the_chain;
-   IMFS_jnode_t      *the_jnode;
-   int                bytes_transferred;
-   int                current_entry;
-   int                first_entry;
-   int                last_entry;
-   struct dirent      tmp_dirent;
-
-   the_jnode = (IMFS_jnode_t *)iop->file_info;
-   the_chain = &the_jnode->info.directory.Entries;
-   
-   if ( Chain_Is_empty( the_chain ) )
-      return 0;
-
-   /* Move to the first of the desired directory entries */
-   the_node = the_chain->first;
-
-   bytes_transferred = 0;
-   first_entry = iop->offset;
-   /* protect against using sizes that are not exact multiples of the */
-   /* -dirent- size. These could result in unexpected results          */
-   last_entry = first_entry + (count/sizeof(struct dirent)) * sizeof(struct dirent);
-
-   /* The directory was not empty so try to move to the desired entry in chain*/
-   for ( 
-      current_entry = 0; 
-      current_entry < last_entry; 
-      current_entry = current_entry + sizeof(struct dirent) ){
-
-      if ( Chain_Is_tail( the_chain, the_node ) ){ 
-         /* We hit the tail of the chain while trying to move to the first */
-         /* entry in the read */
-         return bytes_transferred;  /* Indicate that there are no more */
-                                    /* entries to return */
-      }
-    
-      if( current_entry >= first_entry ) {
-         /* Move the entry to the return buffer */
-         tmp_dirent.d_off = current_entry;
-         tmp_dirent.d_reclen = sizeof( struct dirent );
-         the_jnode = (IMFS_jnode_t *) the_node;
-         tmp_dirent.d_ino = the_jnode->st_ino;
-         tmp_dirent.d_namlen = strlen( the_jnode->name );
-         strcpy( tmp_dirent.d_name, the_jnode->name );
-         memcpy( 
-            buffer + bytes_transferred, 
-            (void *)&tmp_dirent, 
-            sizeof( struct dirent ) 
-         );
-         iop->offset = iop->offset + sizeof(struct dirent);
-         bytes_transferred = bytes_transferred + sizeof( struct dirent );
-      }
-
-      the_node = the_node->next;
-   }
-
-   /* Success */
-   return bytes_transferred;
-}
-
-
-
-/*
- *  imfs_dir_close
- *
- *  This routine will be called by the generic close routine to cleanup any
- *  resources that have been allocated for the management of the file
- */
-
-int imfs_dir_close(
-  rtems_libio_t  *iop
-)
-{
-  /*
-   *  The generic close routine handles the deallocation of the file control
-   *  and associated memory. At present the imfs_dir_close simply
-   *  returns a successful completion status.
-   */
- 
-  return 0;
-}
-
-
-
-/*
- *  imfs_dir_lseek
- *
- *  This routine will behave in one of three ways based on the state of 
- *  argument whence. Based on the state of its value the offset argument will
- *  be interpreted using one of the following methods:
- *
- *     SEEK_SET - offset is the absolute byte offset from the start of the
- *                logical start of the dirent sequence that represents the
- *                directory
- *     SEEK_CUR - offset is used as the relative byte offset from the current
- *                directory position index held in the iop structure
- *     SEEK_END - N/A --> This will cause an assert.
- */
-
-int imfs_dir_lseek(
-  rtems_libio_t  *iop,
-  off_t           offset,
-  int             whence
-)
-{
-  switch( whence ) {
-     case SEEK_SET:   /* absolute move from the start of the file */
-     case SEEK_CUR:   /* relative move */
-        iop->offset = (iop->offset/sizeof(struct dirent)) *
-              sizeof(struct dirent);
-        break;
-
-     case SEEK_END:   /* Movement past the end of the directory via lseek */
-                      /* is not a permitted operation                     */
-      default:
-        rtems_set_errno_and_return_minus_one( EINVAL );
-        break;
-  }
-
-  return 0;
-}
-
-
-
-/*
- *  imfs_dir_fstat
- *
- *  This routine will obtain the following information concerning the current 
- *  directory:
- *        st_dev      0ll
- *        st_ino      1
- *        st_mode     mode extracted from the jnode
- *        st_nlink    number of links to this node
- *        st_uid      uid extracted from the jnode
- *        st_gid      gid extracted from the jnode
- *        st_rdev     0ll
- *        st_size     the number of bytes in the directory 
- *                    This is calculated by taking the number of entries
- *                    in the directory and multiplying by the size of a 
- *                    dirent structure
- *        st_blksize  0
- *        st_blocks   0
- *        stat_atime  time of last access
- *        stat_mtime  time of last modification
- *        stat_ctime  time of the last change
- *
- *  This information will be returned to the calling function in a -stat- struct
- *
- */
-
-int imfs_dir_fstat(
-  rtems_filesystem_location_info_t *loc,
-  struct stat                      *buf
-)
-{
-   Chain_Node        *the_node;
-   Chain_Control     *the_chain;
-   IMFS_jnode_t      *the_jnode;
-
-
-   the_jnode = (IMFS_jnode_t *) loc->node_access;
-
-   buf->st_dev = 0ll;
-   buf->st_ino   = the_jnode->st_ino;
-   buf->st_mode  = the_jnode->st_mode;
-   buf->st_nlink = the_jnode->st_nlink;
-   buf->st_uid   = the_jnode->st_uid;
-   buf->st_gid   = the_jnode->st_gid;
-   buf->st_rdev = 0ll;
-   buf->st_blksize = 0;
-   buf->st_blocks = 0;
-   buf->st_atime = the_jnode->stat_atime;
-   buf->st_mtime = the_jnode->stat_mtime;
-   buf->st_ctime = the_jnode->stat_ctime;
-
-   buf->st_size = 0;
-
-   the_chain = &the_jnode->info.directory.Entries;
-
-   /* Run through the chain and count the number of directory entries */
-   /* that are subordinate to this directory node                     */
-   for ( the_node = the_chain->first ;
-         !_Chain_Is_tail( the_chain, the_node ) ;
-         the_node = the_node->next ) {
- 
-      buf->st_size = buf->st_size + sizeof( struct dirent );
-   }
-
-   return 0;
-}
-
-/*
- *  IMFS_dir_rmnod
- *
- *  This routine is available from the optable to remove a node 
- *  from the IMFS file system.
- */
-
-int imfs_dir_rmnod(
-  rtems_filesystem_location_info_t      *pathloc       /* IN */
-)
-{
-  IMFS_jnode_t *the_jnode;  
-
-  the_jnode = (IMFS_jnode_t *) pathloc->node_access;
-
-  /* 
-   * You cannot remove a node that still has children 
-   */
-
-  if ( ! Chain_Is_empty( &the_jnode->info.directory.Entries ) )
-     rtems_set_errno_and_return_minus_one( ENOTEMPTY );
-
-  /* 
-   * You cannot remove the file system root node.
-   */
-
-  if ( pathloc->mt_entry->mt_fs_root.node_access == pathloc->node_access )
-     rtems_set_errno_and_return_minus_one( EBUSY );
-
-  /* 
-   * You cannot remove a mountpoint.
-   */
-
-   if ( the_jnode->info.directory.mt_fs != NULL )
-     rtems_set_errno_and_return_minus_one( EBUSY );          
- 
-  /* 
-   * Take the node out of the parent's chain that contains this node 
-   */
-
-  if ( the_jnode->Parent != NULL ) {
-    Chain_Extract( (Chain_Node *) the_jnode );
-    the_jnode->Parent = NULL;
-  }
-
-  /*
-   * Decrement the link counter and see if we can free the space.
-   */
-
-  the_jnode->st_nlink--;
-  IMFS_update_ctime( the_jnode );
-
-  /*
-   * The file cannot be open and the link must be less than 1 to free.
-   */
-
-  if ( !rtems_libio_is_file_open( the_jnode ) && (the_jnode->st_nlink < 1) ) {
-
-    /* 
-     * Is the rtems_filesystem_current is this node?
-     */
-
-    if ( rtems_filesystem_current.node_access == pathloc->node_access )
-       rtems_filesystem_current.node_access = NULL;
-
-    /*
-     * Free memory associated with a memory file.
-     */
-
-    free( the_jnode );
-  }
-
-  return 0;
-
-}
-
-