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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [lib/] [libc/] [imfs_debug.c] - Rev 751
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/* * IMFS debug support 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: imfs_debug.c,v 1.2 2001-09-27 12:01:15 chris Exp $ */ #include <assert.h> #include <string.h> #include <fcntl.h> #include <errno.h> #include <stdlib.h> #include <unistd.h> /* for close */ #include <stdio.h> #include <sys/stat.h> #include "imfs.h" #include "libio_.h" /* * IMFS_types * * Printable names for each of the IMFS file system types. */ char *IMFS_types[ IMFS_NUMBER_OF_TYPES ] = { "directory", "device", "link", "memory file" }; /* * IMFS_print_jnode * * This routine prints the contents of the specified jnode. */ void IMFS_print_jnode( IMFS_jnode_t *the_jnode ) { assert( the_jnode ); printf( "%s", the_jnode->name ); switch( the_jnode->type ) { case IMFS_DIRECTORY: printf( "/" ); break; case IMFS_DEVICE: printf( " (device %d, %d)", the_jnode->info.device.major, the_jnode->info.device.minor ); break; case IMFS_MEMORY_FILE: printf( " (file %d %p %p %p)", (int)the_jnode->info.file.size, the_jnode->info.file.indirect, the_jnode->info.file.doubly_indirect, the_jnode->info.file.triply_indirect ); break; case IMFS_HARD_LINK: printf( " links not printed\n" ); assert(0); break; case IMFS_SYM_LINK: printf( " links not printed\n" ); assert(0); break; default: printf( " bad type %d\n", the_jnode->type ); assert(0); break; } puts(""); } /* * IMFS_dump_directory * * This routine prints the contents of a directory in the IMFS. If a * directory is encountered, then this routine will recurse to process * the subdirectory. */ void IMFS_dump_directory( IMFS_jnode_t *the_directory, int level ) { Chain_Node *the_node; Chain_Control *the_chain; IMFS_jnode_t *the_jnode; int i; assert( the_directory ); assert( level >= 0 ); assert( the_directory->type == IMFS_DIRECTORY ); the_chain = &the_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; for ( i=0 ; i<=level ; i++ ) printf( "...." ); IMFS_print_jnode( the_jnode ); if ( the_jnode->type == IMFS_DIRECTORY ) IMFS_dump_directory( the_jnode, level + 1 ); } } /* * IMFS_dump * * This routine dumps the entire IMFS that is mounted at the root * directory. * * NOTE: Assuming the "/" directory is bad. * Not checking that the starting directory is in an IMFS is bad. */ void IMFS_dump( void ) { printf( "*************** Dump of Entire IMFS ***************\n" ); printf( "/\n" ); IMFS_dump_directory( rtems_filesystem_root.node_access, 0 ); printf( "*************** End of Dump ***************\n" ); } /* * IMFS_memfile_maximum_size() * * This routine returns the size of the largest file which can be created * using the IMFS memory file type. * */ int IMFS_memfile_maximum_size( void ) { return IMFS_MEMFILE_MAXIMUM_SIZE; }
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