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/*
* IMFS_find_match_in_dir()
*
* This routine returns the child name in the given directory.
*
* 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 <errno.h>
#include <assert.h>
#include "imfs.h"
static char dotname[2] = ".";
static char dotdotname[3] = "..";
IMFS_jnode_t *IMFS_find_match_in_dir(
IMFS_jnode_t *directory,
char *name
)
{
Chain_Node *the_node;
Chain_Control *the_chain;
IMFS_jnode_t *the_jnode;
/*
* Check for fatal errors. A NULL directory show a problem in the
* the IMFS code.
*/
assert( directory );
if ( !name )
return 0;
assert( name );
if ( !directory )
return 0;
/*
* Check for "." and ".."
*/
if ( !strcmp( name, dotname ) )
return directory;
if ( !strcmp( name, dotdotname ) )
return directory->Parent;
the_chain = &directory->info.directory.Entries;
for ( the_node = the_chain->first;
!_Chain_Is_tail( the_chain, the_node );
the_node = the_node->next ) {
the_jnode = (IMFS_jnode_t *) the_node;
if ( !strcmp( name, the_jnode->name ) )
return the_jnode;
}
return 0;
}
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