WebSVN – HelenOS – Diff – /trunk/uspace/app/bdsh/cmds/builtin_cmds.c


/* Copyright (c) 2008, Tim Post <tinkertim@gmail.com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * Neither the name of the original program's authors nor the names of its
 * contributors may be used to endorse or promote products derived from this
 * software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
 
/* Almost identical (for now) to mod_cmds.c , however this will not be the case
 * soon as builtin_t is going to grow way beyond module_t */
 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "errors.h"
#include "cmds.h"
#include "builtin_aliases.h"
 
extern volatile unsigned int cli_interactive;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
int is_builtin(const char *command)
{
    builtin_t *cmd;
    unsigned int i = 0;
 
    if (NULL == command)
        return -2;
 
    for (cmd = builtins; cmd->name != NULL; cmd++, i++) {
        if (!strcmp(cmd->name, command))
            return i;
    }
 
    return -1;
}
 
int is_builtin_alias(const char *command)
{
    unsigned int i = 0;
 
    if (NULL == command)
        return -1;
 
    for(i=0; builtin_aliases[i] != NULL; i+=2) {
        if (!strcmp(builtin_aliases[i], command))
            return 1;
    }
 
    return 0;
}
 
char *alias_for_builtin(const char *command)
{
    unsigned int i = 0;
 
    if (NULL == command)
        return (char *)NULL;
 
    for(i=0; builtin_aliases[i] != NULL; i++) {
        if (!strcmp(builtin_aliases[i], command))
            return (char *)builtin_aliases[++i];
        i++;
    }
 
    return (char *)NULL;
}
 
int help_builtin(int builtin, unsigned int extended)
{
    builtin_t *cmd = builtins;
 
    cmd += builtin;
 
    if (NULL != cmd->help) {
        cmd->help(extended);
        return CL_EOK;
    } else
        return CL_ENOENT;
}
 
int run_builtin(int builtin, char *argv[], cliuser_t *usr)
{
    builtin_t *cmd = builtins;
 
    cmd += builtin;
 
    if (NULL != cmd->entry)
        return((int)cmd->entry(argv, usr));
 
    return CL_ENOENT;
}
 

Rev 3346	Rev 3809
1	/* Copyright (c) 2008, Tim Post <tinkertim@gmail.com>	1	/* Copyright (c) 2008, Tim Post <tinkertim@gmail.com>
2	* All rights reserved.	2	* All rights reserved.
3	*	3	*
4	* Redistribution and use in source and binary forms, with or without	4	* Redistribution and use in source and binary forms, with or without
5	* modification, are permitted provided that the following conditions are met:	5	* modification, are permitted provided that the following conditions are met:
6	*	6	*
7	* Redistributions of source code must retain the above copyright notice, this	7	* Redistributions of source code must retain the above copyright notice, this
8	* list of conditions and the following disclaimer.	8	* list of conditions and the following disclaimer.
9	*	9	*
10	* Redistributions in binary form must reproduce the above copyright notice,	10	* Redistributions in binary form must reproduce the above copyright notice,
11	* this list of conditions and the following disclaimer in the documentation	11	* this list of conditions and the following disclaimer in the documentation
12	* and/or other materials provided with the distribution.	12	* and/or other materials provided with the distribution.
13	*	13	*
14	* Neither the name of the original program's authors nor the names of its	14	* Neither the name of the original program's authors nor the names of its
15	* contributors may be used to endorse or promote products derived from this	15	* contributors may be used to endorse or promote products derived from this
16	* software without specific prior written permission.	16	* software without specific prior written permission.
17	*	17	*
18	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"	18	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE	19	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE	20	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE	21	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22	* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR	22	* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF	23	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS	24	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN	25	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)	26	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE	27	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28	* POSSIBILITY OF SUCH DAMAGE.	28	* POSSIBILITY OF SUCH DAMAGE.
29	*/	29	*/
30		30
31	/* Almost identical (for now) to mod_cmds.c , however this will not be the case	31	/* Almost identical (for now) to mod_cmds.c , however this will not be the case
32	* soon as builtin_t is going to grow way beyond module_t */	32	* soon as builtin_t is going to grow way beyond module_t */
33		33
34	#include <stdio.h>	34	#include <stdio.h>
35	#include <stdlib.h>	35	#include <stdlib.h>
36	#include <string.h>	36	#include <string.h>
37	#include "errors.h"	37	#include "errors.h"
38	#include "cmds.h"	38	#include "cmds.h"
39	#include "builtin_aliases.h"	39	#include "builtin_aliases.h"
40		40
41	extern volatile unsigned int cli_interactive;	41	extern volatile unsigned int cli_interactive;
42		42
43	int builtin_is_restricted(int pos)	-
44	{	-
45	builtin_t *cmd = builtins;	-
46	cmd += pos;	-
47		-
48	if (cli_interactive && cmd->restricted <= 0)	-
49	return 0;	-
50	if (!cli_interactive && cmd->restricted >= 0)	-
51	return 0;	-
52		-
53	return 1;	-
54	}	-
55		-
56	int is_builtin(const char *command)	43	int is_builtin(const char *command)
57	{	44	{
58	builtin_t *cmd;	45	builtin_t *cmd;
59	unsigned int i = 0;	46	unsigned int i = 0;
60		47
61	if (NULL == command)	48	if (NULL == command)
62	return -2;	49	return -2;
63		50
64	for (cmd = builtins; cmd->name != NULL; cmd++, i++) {	51	for (cmd = builtins; cmd->name != NULL; cmd++, i++) {
65	if (!strcmp(cmd->name, command))	52	if (!strcmp(cmd->name, command))
66	return i;	53	return i;
67	}	54	}
68		55
69	return -1;	56	return -1;
70	}	57	}
71		58
72	int is_builtin_alias(const char *command)	59	int is_builtin_alias(const char *command)
73	{	60	{
74	unsigned int i = 0;	61	unsigned int i = 0;
75		62
76	if (NULL == command)	63	if (NULL == command)
77	return -1;	64	return -1;
78		65
79	for(i=0; builtin_aliases[i] != NULL; i+=2) {	66	for(i=0; builtin_aliases[i] != NULL; i+=2) {
80	if (!strcmp(builtin_aliases[i], command))	67	if (!strcmp(builtin_aliases[i], command))
81	return 1;	68	return 1;
82	}	69	}
83		70
84	return 0;	71	return 0;
85	}	72	}
86		73
87	char alias_for_builtin(const char command)	74	char alias_for_builtin(const char command)
88	{	75	{
89	unsigned int i = 0;	76	unsigned int i = 0;
90		77
91	if (NULL == command)	78	if (NULL == command)
92	return (char *)NULL;	79	return (char *)NULL;
93		80
94	for(i=0; builtin_aliases[i] != NULL; i++) {	81	for(i=0; builtin_aliases[i] != NULL; i++) {
95	if (!strcmp(builtin_aliases[i], command))	82	if (!strcmp(builtin_aliases[i], command))
96	return (char *)builtin_aliases[++i];	83	return (char *)builtin_aliases[++i];
97	i++;	84	i++;
98	}	85	}
99		86
100	return (char *)NULL;	87	return (char *)NULL;
101	}	88	}
102		89
103	int help_builtin(int builtin, unsigned int extended)	90	int help_builtin(int builtin, unsigned int extended)
104	{	91	{
105	builtin_t *cmd = builtins;	92	builtin_t *cmd = builtins;
106		93
107	cmd += builtin;	94	cmd += builtin;
108		95
109	if (NULL != cmd->help) {	96	if (NULL != cmd->help) {
110	cmd->help(extended);	97	cmd->help(extended);
111	return CL_EOK;	98	return CL_EOK;
112	} else	99	} else
113	return CL_ENOENT;	100	return CL_ENOENT;
114	}	101	}
115		102
116	int run_builtin(int builtin, char argv[], cliuser_t usr)	103	int run_builtin(int builtin, char argv[], cliuser_t usr)
117	{	104	{
118	builtin_t *cmd = builtins;	105	builtin_t *cmd = builtins;
119		106
120	cmd += builtin;	107	cmd += builtin;
121		108
122	if (NULL != cmd->entry)	109	if (NULL != cmd->entry)
123	return((int)cmd->entry(argv, usr));	110	return((int)cmd->entry(argv, usr));
124		111
125	return CL_ENOENT;	112	return CL_ENOENT;
126	}	113	}
127		114

Subversion Repositories HelenOS

(root)/trunk/uspace/app/bdsh/cmds/builtin_cmds.c – Rev 3346 → 3809