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-rw-r--r--cpukit/libfs/src/imfs/imfs_debug.c160
1 files changed, 160 insertions, 0 deletions
diff --git a/cpukit/libfs/src/imfs/imfs_debug.c b/cpukit/libfs/src/imfs/imfs_debug.c
new file mode 100644
index 0000000000..856f21317e
--- /dev/null
+++ b/cpukit/libfs/src/imfs/imfs_debug.c
@@ -0,0 +1,160 @@
+/*
+ * IMFS debug support routines
+ *
+ * COPYRIGHT (c) 1989-1998.
+ * On-Line Applications Research Corporation (OAR).
+ * Copyright assigned to U.S. Government, 1994.
+ *
+ * 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.
+ *
+ * $Id$
+ */
+
+#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;
+}