source: mainline/uspace/app/bdsh/cmds/builtin_cmds.c

Last change on this file was 7c3fb9b, checked in by Jiri Svoboda <jiri@…>, 7 years ago

Fix block comment formatting (ccheck).

  • Property mode set to 100644
File size: 3.0 KB
Line 
1/*
2 * Copyright (c) 2008 Tim Post
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/*
30 * Almost identical (for now) to mod_cmds.c, however this will not be the case
31 * soon as builtin_t is going to grow way beyond module_t
32 */
33
34#include <stdio.h>
35#include <stdlib.h>
36#include <stddef.h>
37#include <str.h>
38#include "errors.h"
39#include "cmds.h"
40#include "builtin_aliases.h"
41#include "scli.h"
42
43extern volatile unsigned int cli_interactive;
44
45int is_builtin(const char *command)
46{
47 builtin_t *cmd;
48 unsigned int i = 0;
49
50 if (NULL == command)
51 return -2;
52
53 for (cmd = builtins; cmd->name != NULL; cmd++, i++) {
54 if (!str_cmp(cmd->name, command))
55 return i;
56 }
57
58 return -1;
59}
60
61int is_builtin_alias(const char *command)
62{
63 unsigned int i = 0;
64
65 if (NULL == command)
66 return -1;
67
68 for (i = 0; builtin_aliases[i] != NULL; i += 2) {
69 if (!str_cmp(builtin_aliases[i], command))
70 return 1;
71 }
72
73 return 0;
74}
75
76char *alias_for_builtin(const char *command)
77{
78 unsigned int i = 0;
79
80 if (NULL == command)
81 return (char *)NULL;
82
83 for (i = 0; builtin_aliases[i] != NULL; i += 2) {
84 if (!str_cmp(builtin_aliases[i], command))
85 return (char *)builtin_aliases[i + 1];
86 }
87
88 return (char *)NULL;
89}
90
91int help_builtin(int builtin, unsigned int extended)
92{
93 builtin_t *cmd = builtins;
94
95 cmd += builtin;
96
97 if (NULL != cmd->help) {
98 cmd->help(extended);
99 return CL_EOK;
100 } else {
101 return CL_ENOENT;
102 }
103}
104
105int run_builtin(int builtin, char *argv[], cliuser_t *usr, iostate_t *new_iostate)
106{
107 int rc;
108 builtin_t *cmd = builtins;
109
110 cmd += builtin;
111
112 iostate_t *old_iostate = get_iostate();
113 set_iostate(new_iostate);
114
115 if (NULL != cmd->entry) {
116 rc = ((int)cmd->entry(argv, usr));
117 } else {
118 rc = CL_ENOENT;
119 }
120
121 set_iostate(old_iostate);
122
123 return rc;
124}
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