WebSVN – HelenOS – Diff – /trunk/uspace/app/bdsh/scli.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.
 */
 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "config.h"
#include "scli.h"
#include "input.h"
#include "util.h"
#include "errors.h"
#include "cmds/cmds.h"
 
/* See scli.h */
static cliuser_t usr;
 
/* Globals that are modified during start-up that modules/builtins
 * should be aware of. */
volatile unsigned int cli_quit = 0;
 
volatile unsigned int cli_verbocity = 1;
 
/* The official name of this program
 * (change to your liking in configure.ac and re-run autoconf) */
const char *progname = PACKAGE_NAME;
 
/* These are not exposed, even to builtins */
static int cli_init(cliuser_t *);
static void cli_finit(cliuser_t *);
 
/* Constructor */
static int cli_init(cliuser_t *usr)
{
    usr->line = (char *) NULL;
    usr->name = "root";
    usr->home = "/";
    usr->cwd = (char *) NULL;
    usr->prompt = (char *) NULL;
    chdir(usr->home);
    usr->lasterr = 0;
    return (int) cli_set_prompt(usr);
}
 
/* Destructor */
static void cli_finit(cliuser_t *usr)
{
    if (NULL != usr->line)
        free(usr->line);
    if (NULL != usr->prompt)
        free(usr->prompt);
    if (NULL != usr->cwd)
        free(usr->cwd);
}
 
int main(int argc, char *argv[])
{
    int ret = 0;
 
    if (cli_init(&usr))
        exit(EXIT_FAILURE);
 
    printf("Welcome to %s - %s\nType `help' at any time for usage information.\n",
        progname, PACKAGE_STRING);
 
    while (!cli_quit) {
        get_input(&usr);
        if (NULL != usr.line) {
            ret = tok_input(&usr);
            cli_set_prompt(&usr);
            usr.lasterr = ret;
        }
    }
    goto finit;
 
finit:
    cli_finit(&usr);
    return ret;
}
 

Rev 3418	Rev 3812
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	#include <stdio.h>	31	#include <stdio.h>
32	#include <stdlib.h>	32	#include <stdlib.h>
33	#include <string.h>	33	#include <string.h>
34	#include <unistd.h>	34	#include <unistd.h>
35	#include "config.h"	35	#include "config.h"
36	#include "scli.h"	36	#include "scli.h"
37	#include "input.h"	37	#include "input.h"
38	#include "util.h"	38	#include "util.h"
39	#include "errors.h"	39	#include "errors.h"
40	#include "cmds/cmds.h"	40	#include "cmds/cmds.h"
41		41
42	/* See scli.h */	42	/* See scli.h */
43	static cliuser_t usr;	43	static cliuser_t usr;
44		44
45	/* Globals that are modified during start-up that modules/builtins	45	/* Globals that are modified during start-up that modules/builtins
46	* should be aware of. */	46	* should be aware of. */
47	volatile unsigned int cli_quit = 0;	47	volatile unsigned int cli_quit = 0;
48	volatile unsigned int cli_interactive = 1;	-
49	volatile unsigned int cli_verbocity = 1;	48	volatile unsigned int cli_verbocity = 1;
50		49
51	/* The official name of this program	50	/* The official name of this program
52	* (change to your liking in configure.ac and re-run autoconf) */	51	* (change to your liking in configure.ac and re-run autoconf) */
53	const char *progname = PACKAGE_NAME;	52	const char *progname = PACKAGE_NAME;
54		53
55	/* These are not exposed, even to builtins */	54	/* These are not exposed, even to builtins */
56	static int cli_init(cliuser_t *);	55	static int cli_init(cliuser_t *);
57	static void cli_finit(cliuser_t *);	56	static void cli_finit(cliuser_t *);
58		57
59	/* Constructor */	58	/* Constructor */
60	static int cli_init(cliuser_t *usr)	59	static int cli_init(cliuser_t *usr)
61	{	60	{
62	usr->line = (char *) NULL;	61	usr->line = (char *) NULL;
63	usr->name = "root";	62	usr->name = "root";
64	usr->home = "/";	63	usr->home = "/";
65	usr->cwd = (char *) NULL;	64	usr->cwd = (char *) NULL;
66	usr->prompt = (char *) NULL;	65	usr->prompt = (char *) NULL;
67	chdir(usr->home);	66	chdir(usr->home);
68	usr->lasterr = 0;	67	usr->lasterr = 0;
69	return (int) cli_set_prompt(usr);	68	return (int) cli_set_prompt(usr);
70	}	69	}
71		70
72	/* Destructor */	71	/* Destructor */
73	static void cli_finit(cliuser_t *usr)	72	static void cli_finit(cliuser_t *usr)
74	{	73	{
75	if (NULL != usr->line)	74	if (NULL != usr->line)
76	free(usr->line);	75	free(usr->line);
77	if (NULL != usr->prompt)	76	if (NULL != usr->prompt)
78	free(usr->prompt);	77	free(usr->prompt);
79	if (NULL != usr->cwd)	78	if (NULL != usr->cwd)
80	free(usr->cwd);	79	free(usr->cwd);
81	}	80	}
82		81
83	int main(int argc, char *argv[])	82	int main(int argc, char *argv[])
84	{	83	{
85	int ret = 0;	84	int ret = 0;
86		85
87	if (cli_init(&usr))	86	if (cli_init(&usr))
88	exit(EXIT_FAILURE);	87	exit(EXIT_FAILURE);
89		88
90	printf("Welcome to %s - %s\nType `help' at any time for usage information.\n",	89	printf("Welcome to %s - %s\nType `help' at any time for usage information.\n",
91	progname, PACKAGE_STRING);	90	progname, PACKAGE_STRING);
92		91
93	while (!cli_quit) {	92	while (!cli_quit) {
94	get_input(&usr);	93	get_input(&usr);
95	if (NULL != usr.line) {	94	if (NULL != usr.line) {
96	ret = tok_input(&usr);	95	ret = tok_input(&usr);
97	cli_set_prompt(&usr);	96	cli_set_prompt(&usr);
98	usr.lasterr = ret;	97	usr.lasterr = ret;
99	}	98	}
100	}	99	}
101	goto finit;	100	goto finit;
102		101
103	finit:	102	finit:
104	cli_finit(&usr);	103	cli_finit(&usr);
105	return ret;	104	return ret;
106	}	105	}
107		106

Subversion Repositories HelenOS

(root)/trunk/uspace/app/bdsh/scli.c @ 4255 – Rev 3418 → 3812