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
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
/*
* LEVEE, or Captain Video; A vi clone
*
* Copyright (c) 1982-2007 David L Parsons
* All rights reserved.
*
* Redistribution and use in source and binary forms, without or
* without modification, are permitted provided that the above
* copyright notice and this paragraph are duplicated in all such
* forms and that any documentation, advertising materials, and
* other materials related to such distribution and use acknowledge
* that the software was developed by David L Parsons (orc@pell.portland.or.us).
* My name may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE.
*/
/*
* iRMX interface for levee (Intel C)
*/
#include "levee.h"
#include "extern.h"
#if OS_RMX
#include <:inc:stdio.h>
#include <:inc:udi.h>
extern alien token rq$c$create$command$connection(),
rq$c$delete$command$connection(),
rq$c$send$command(),
rq$get$task$tokens(); /* for unique files */
extern alien rq$s$write$move();
FILESPEC
OPEN_OLD(char *file)
{
int fd = open(file, /*open mode*/0);
return (fd == -1) ? NOWAY : (FILESPEC)fd;
}
FILESPEC
OPEN_NEW(char *file)
{
int fd = creat(file,/*permissions*/0);
return (fd == -1) ? NOWAY : (FILESPEC)fd;
}
int
CLOSE_FILE(FILESPEC f)
{
return close((int)f);
}
long
SEEK_POSITION(FILESPEC f, long offset, int size)
{
return lseek((int)f, offset, mode);
}
int
READ_TEXT(FILESPEC f, char *buffer, int size)
{
return read((int)f,buffer, size);
}
int
WRITE_TEXT(FILESPEC f, char *buffer, int size)
{
return write((int)f,buffer,size);
}
os_write(s,len)
char *s;
{
int dummy;
rq$s$write$move(fileno(stdout), s, len, &dummy);
return 1;
}
os_mktemp(file,size,template)
char *file;
char *template;
{
token dummy;
static char Xes[] = ":WORK:";
unless (size > sizeof(Xes) + strlen(template) + 20) {
errno = E2BIG;
return 0;
}
#if USING_STDIO
sprintf(s, "%s%s%d", Xes, template, rq$get$task$tokens(0,&dummy));
#else
strcpy(s, Xes);
strcat(s, template);
strcat(s, ntoa(rq$get$task$tokens(0,&dummy)));
#endif
return 1;
}
os_initialize()
{
Erasechar = 127; /* ^? */
Eraseline = 21; /* ^U */
return 1;
}
os_restore()
{
return 1;
}
os_set_input()
{
unsigned dummy;
dq$special(1,&fileno(stdin),&dummy);
/* turn off control character assignments */
strput("\033]T:C15=0,C18=0,C20=0,C21=0,C23=0\033\\");
return 1;
}
os_reset_input()
{
strputs("\033]T:C15=3,C18=13,C20=5,C21=6,C23=4\033\\\n");
dq$special(2,&fileno(stdin),&curr);
return 1;
}
char
getKey()
/* getKey: read a character from stdin */
{
char c,sw;
unsigned dummy;
read(0,&c,1);
if (c == FkL) { /* (single character) function key lead-in */
dq$special(3,&fileno(stdin),&dummy); /* grab a raw-mode character */
if (read(0,&sw,1) == 1)
if (sw == CurLT)
c = LTARROW;
else if (sw == CurRT)
c = RTARROW;
else if (sw == CurUP)
c = UPARROW;
else if (sw == CurDN)
c = DNARROW;
else
c = sw | 0x80;
dq$special(1,&fileno(stdin),&dummy); /* back into transparent mode */
}
#if 0
else if (c == 0x7f) /* good old dos kludge... */
return erase;
#endif
return c;
}
int
os_subshell(s)
/* system: do a shell escape */
char *s;
{
char *string();
unsigned cp, error, status, dummy;
cp = rq$c$create$command$connection(fileno(stdin),fileno(stdout),0,&error);
if (!error) {
rq$c$send$command(cp,string(s),&status,&error);
rq$c$delete$command$connection(cp,&dummy);
}
return error?(error|0x8000):(status&0x7fff);
}
int
os_cclass(c)
unsigned int c;
{
if (c == '\t' && !list)
return CC_TAB;
if (c == 127 || c < ' ')
return CC_CTRL;
if (c & 0x80)
return CC_OTHER;
return CC_PRINT;
}
#endif
|
