Bug Summary

File:/home/joel/rtems-4.11-work/build/rtems/c/src/../../cpukit/score/src/objectnametoidstring.c
Location:line 71, column 5
Description:Value stored to 'name_length' is never read

Annotated Source Code

1/*
2 * Object Handler - Object ID to Name (String)
3 *
4 *
5 * COPYRIGHT (c) 1989-2008.
6 * On-Line Applications Research Corporation (OAR).
7 *
8 * The license and distribution terms for this file may be
9 * found in the file LICENSE in this distribution or at
10 * http://www.rtems.com/license/LICENSE.
11 *
12 * $Id: objectnametoidstring.c,v 1.7 2009/09/11 20:00:30 joel Exp $
13 */
14
15#if HAVE_CONFIG_H1
16#include "config.h"
17#endif
18
19#include <string.h>
20
21#include <rtems/system.h>
22#include <rtems/score/address.h>
23#include <rtems/score/chain.h>
24#include <rtems/score/object.h>
25#if defined(RTEMS_MULTIPROCESSING)
26#include <rtems/score/objectmp.h>
27#endif
28#include <rtems/score/thread.h>
29#include <rtems/score/wkspace.h>
30#include <rtems/score/sysstate.h>
31#include <rtems/score/isr.h>
32
33#if defined(RTEMS_SCORE_OBJECT_ENABLE_STRING_NAMES)
34/*PAGE
35 *
36 * _Objects_Name_to_id_string
37 *
38 * These kernel routines search the object table(s) for the given
39 * object name and returns the associated object id.
40 *
41 * Input parameters:
42 * information - object information
43 * name - user defined object name
44 * id - address of return ID
45 *
46 * Output parameters:
47 * id - object id
48 * OBJECTS_NAME_OR_ID_LOOKUP_SUCCESSFUL - if successful
49 * error code - if unsuccessful
50 */
51
52Objects_Name_or_id_lookup_errors _Objects_Name_to_id_string(
53 Objects_Information *information,
54 const char *name,
55 Objects_Id *id
56)
57{
58 Objects_Control *the_object;
59 uint32_t index;
60 uint32_t name_length;
61
62 /* ASSERT: information->is_string == true */
63
64 if ( !id )
65 return OBJECTS_INVALID_ADDRESS;
66
67 if ( !name )
68 return OBJECTS_INVALID_NAME;
69
70 if ( information->maximum != 0 ) {
71 name_length = information->name_length;
Value stored to 'name_length' is never read
72
73 for ( index = 1; index <= information->maximum; index++ ) {
74 the_object = information->local_table[ index ];
75 if ( !the_object )
76 continue;
77
78 if ( !the_object->name.name_p )
79 continue;
80
81 if (!strncmp( name, the_object->name.name_p, information->name_length)) {
82 *id = the_object->id;
83 return OBJECTS_NAME_OR_ID_LOOKUP_SUCCESSFUL;
84 }
85 }
86 }
87
88 return OBJECTS_INVALID_NAME;
89}
90#endif