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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [lib/] [libc/] [imfs_getchild.c] - Rev 596
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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: imfs_getchild.c,v 1.2 2001-09-27 12:01:15 chris Exp $ */ #include <errno.h> #include <assert.h> #include "imfs.h" static char dotname[2] = "."; static char dotdotname[2] = ".."; 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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