Bug Summary

File:/home/joel/rtems-4.11-work/build/rtems/c/src/../../cpukit/libmisc/monitor/mon-config.c
Location:line 122, column 5
Description:Value stored to 'length' is never read

Annotated Source Code

1/*
2 * RTEMS Config display support
3 *
4 * TODO
5 *
6 * $Id: mon-config.c,v 1.17 2009/01/02 13:01:21 ralf Exp $
7 */
8
9#ifdef HAVE_CONFIG_H1
10#include "config.h"
11#endif
12
13#define __RTEMS_VIOLATE_KERNEL_VISIBILITY__
14#include <rtems.h>
15#include <rtems/monitor.h>
16
17#include <inttypes.h>
18#include <stdio.h>
19#include <stdlib.h> /* strtoul() */
20
21#define DATACOL15 15
22#define CONTCOL15 DATACOL15 /* continued col */
23
24/*
25 * Fill in entire monitor config table
26 * for sending to a remote monitor or printing on the local system
27 */
28
29void
30rtems_monitor_config_canonical(
31 rtems_monitor_config_t *canonical_config,
32 void *config_void
33)
34{
35 rtems_configuration_table *c = (rtems_configuration_table *) config_void;
36 rtems_api_configuration_table *r = &Configuration_RTEMS_API;
37
38 canonical_config->work_space_start = c->work_space_start;
39 canonical_config->work_space_size = c->work_space_size;
40 canonical_config->maximum_tasks = r->maximum_tasks;
41 canonical_config->maximum_timers = r->maximum_timers;
42 canonical_config->maximum_semaphores = r->maximum_semaphores;
43 canonical_config->maximum_message_queues = r->maximum_message_queues;
44 canonical_config->maximum_partitions = r->maximum_partitions;
45 canonical_config->maximum_regions = r->maximum_regions;
46 canonical_config->maximum_ports = r->maximum_ports;
47 canonical_config->maximum_periods = r->maximum_periods;
48 canonical_config->maximum_extensions = c->maximum_extensions;
49 canonical_config->microseconds_per_tick = c->microseconds_per_tick;
50 canonical_config->ticks_per_timeslice = c->ticks_per_timeslice;
51 canonical_config->number_of_initialization_tasks = r->number_of_initialization_tasks;
52}
53
54/*
55 * This is easy, since there is only 1 (altho we could get them from
56 * other nodes...)
57 */
58
59void *
60rtems_monitor_config_next(
61 void *object_info __attribute__((unused)),
62 rtems_monitor_config_t *canonical_config __attribute__((unused)),
63 rtems_id *next_id
64)
65{
66 rtems_configuration_table *c = &Configuration;
67 int n = rtems_object_id_get_index(*next_id)_Objects_Get_index( *next_id );
68
69 if (n >= 1)
70 goto failed;
71
72 _Thread_Disable_dispatch();
73
74 *next_id += 1;
75 return (void *) c;
76
77failed:
78 *next_id = RTEMS_OBJECT_ID_FINAL((Objects_Id)~0);
79 return 0;
80}
81
82
83void
84rtems_monitor_config_dump_header(
85 bool_Bool verbose __attribute__((unused))
86)
87{
88 fprintf(stdoutstdout,"\
89INITIAL (startup) Configuration Info\n");
90/*23456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789
910 1 2 3 4 5 6 7 */
92 rtems_monitor_separator();
93}
94
95
96int
97rtems_monitor_config_dump(
98 rtems_monitor_config_t *monitor_config,
99 bool_Bool verbose __attribute__((unused))
100)
101{
102 int length = 0;
103
104 length = 0;
105 length += fprintf(stdoutstdout,"WORKSPACE");
106 length += rtems_monitor_pad(DATACOL15, length);
107 length += fprintf(stdoutstdout,"start: %p; size: 0x%" PRIx32"x" "\n",
108 monitor_config->work_space_start,
109 monitor_config->work_space_size);
110
111 length = 0;
112 length += fprintf(stdoutstdout,"TIME");
113 length += rtems_monitor_pad(DATACOL15, length);
114 length += fprintf(stdoutstdout,"usec/tick: %" PRId32"d" "; tick/timeslice: %" PRId32"d" "; tick/sec: %" PRId32"d" "\n",
115 monitor_config->microseconds_per_tick,
116 monitor_config->ticks_per_timeslice,
117 1000000 / monitor_config->microseconds_per_tick);
118
119 length = 0;
120 length += fprintf(stdoutstdout,"MAXIMUMS");
121 length += rtems_monitor_pad(DATACOL15, length);
122 length += fprintf(stdoutstdout,"tasks: %" PRId32"d" "; timers: %" PRId32"d" "; sems: %" PRId32"d" "; que's: %" PRId32"d" "; ext's: %" PRId32"d" "\n",
Value stored to 'length' is never read
123 monitor_config->maximum_tasks,
124 monitor_config->maximum_timers,
125 monitor_config->maximum_semaphores,
126 monitor_config->maximum_message_queues,
127 monitor_config->maximum_extensions);
128 length = 0;
129 length += rtems_monitor_pad(CONTCOL15, length);
130 length += fprintf(stdoutstdout,"partitions: %" PRId32"d" "; regions: %" PRId32"d" "; ports: %" PRId32"d" "; periods: %" PRId32"d" "\n",
131 monitor_config->maximum_partitions,
132 monitor_config->maximum_regions,
133 monitor_config->maximum_ports,
134 monitor_config->maximum_periods);
135 return length;
136}