1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
/*
* Copyright (c) 1998 - 2000 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 3. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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 "sl_locl.h"
#include <com_err.h>
#include "ss.h"
RCSID("$Id: ss.c,v 1.6 2000/05/25 00:14:58 assar Exp $");
struct ss_subst {
char *name;
char *version;
char *info;
ss_request_table *table;
};
static struct ss_subst subsystems[2];
static int num_subsystems;
int
ss_create_invocation(const char *subsystem,
const char *version,
const char *info,
ss_request_table *table,
int *code)
{
struct ss_subst *ss;
if(num_subsystems >= sizeof(subsystems) / sizeof(subsystems[0])) {
*code = 17;
return 0;
}
ss = &subsystems[num_subsystems];
ss->name = ss->version = ss->info = NULL;
if (subsystem != NULL) {
ss->name = strdup (subsystem);
if (ss->name == NULL) {
*code = ENOMEM;
return 0;
}
}
if (version != NULL) {
ss->version = strdup (version);
if (ss->version == NULL) {
*code = ENOMEM;
return 0;
}
}
if (info != NULL) {
ss->info = strdup (info);
if (ss->info == NULL) {
*code = ENOMEM;
return 0;
}
}
ss->table = table;
*code = 0;
return num_subsystems++;
}
void
ss_error (int index, long code, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
com_err_va (subsystems[index].name, code, fmt, ap);
va_end(ap);
}
void
ss_perror (int index, long code, const char *msg)
{
ss_error(index, code, "%s", msg);
}
int
ss_execute_command(int index, char **argv)
{
int argc = 0;
int ret;
while(argv[argc++]);
ret = sl_command(subsystems[index].table, argc, argv);
if (ret == SL_BADCOMMAND)
return SS_ET_COMMAND_NOT_FOUND;
return 0;
}
int
ss_execute_line (int index, const char *line)
{
char *buf = strdup(line);
int argc;
char **argv;
int ret;
if (buf == NULL)
return ENOMEM;
sl_make_argv(buf, &argc, &argv);
ret = sl_command(subsystems[index].table, argc, argv);
free(buf);
if (ret == SL_BADCOMMAND)
return SS_ET_COMMAND_NOT_FOUND;
return 0;
}
int
ss_listen (int index)
{
char *prompt = malloc(strlen(subsystems[index].name) + 3);
if (prompt == NULL)
return ENOMEM;
strcpy(prompt, subsystems[index].name);
strcat(prompt, ": ");
sl_loop(subsystems[index].table, prompt);
free(prompt);
return 0;
}
int
ss_list_requests(int argc, char **argv /* , int index, void *info */)
{
sl_help(subsystems[0 /* index */].table, argc, argv);
return 0;
}
int
ss_quit(int argc, char **argv)
{
return 1;
}
|
