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
214
215
216
217
218
|
/* Implement runtime actions for CHILL.
Copyright (C) 1992,1993 Free Software Foundation, Inc.
Author: Wilfried Moser
This file is part of GNU CC.
GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* As a special exception, if you link this library with other files,
some of which are compiled with GCC, to produce an executable,
this library does not by itself cause the resulting executable
to be covered by the GNU General Public License.
This exception does not however invalidate any other reasons why
the executable file might be covered by the GNU General Public License. */
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include "iomodes.h"
/* predefined associations, accesses, and text for stdin, stdout, stderr */
/* stdin */
#define STDIO_TEXT_LENGTH 1024
#define STDIN_TEXT_LENGTH STDIO_TEXT_LENGTH
static Access_Mode stdin_access;
#ifndef STDIN_FILENO
#define STDIN_FILENO 0
#endif
static
Association_Mode stdin_association =
{
IO_EXISTING | IO_READABLE | IO_SEQUENCIBLE | IO_ISASSOCIATED,
NULL,
&stdin_access,
STDIN_FILENO,
NULL,
0,
ReadOnly
};
static Access_Mode stdin_access =
{
IO_TEXTIO,
STDIN_TEXT_LENGTH + 2,
0,
0,
&stdin_association,
0,
NULL,
VaryingChars
};
static
VARYING_STRING(STDIN_TEXT_LENGTH) stdin_text_record;
Text_Mode chill_stdin =
{
IO_TEXTLOCATION,
(VarString *)&stdin_text_record,
&stdin_access,
0
};
/* stdout */
#define STDOUT_TEXT_LENGTH STDIO_TEXT_LENGTH
#ifndef STDOUT_FILENO
#define STDOUT_FILENO 1
#endif
static Access_Mode stdout_access;
static
Association_Mode stdout_association =
{
IO_EXISTING | IO_WRITEABLE | IO_SEQUENCIBLE | IO_ISASSOCIATED,
NULL,
&stdout_access,
STDOUT_FILENO,
NULL,
0,
WriteOnly
};
static Access_Mode stdout_access =
{
IO_TEXTIO,
STDOUT_TEXT_LENGTH + 2,
0,
0,
&stdout_association,
0,
NULL,
VaryingChars
};
static
VARYING_STRING(STDOUT_TEXT_LENGTH) stdout_text_record;
Text_Mode chill_stdout =
{
IO_TEXTLOCATION,
(VarString *)&stdout_text_record,
&stdout_access,
0
};
/* stderr */
#define STDERR_TEXT_LENGTH STDIO_TEXT_LENGTH
#ifndef STDERR_FILENO
#define STDERR_FILENO 2
#endif
static Access_Mode stderr_access;
static
Association_Mode stderr_association =
{
IO_EXISTING | IO_WRITEABLE | IO_SEQUENCIBLE | IO_ISASSOCIATED,
NULL,
&stderr_access,
STDERR_FILENO,
NULL,
0,
WriteOnly
};
static Access_Mode stderr_access =
{
IO_TEXTIO,
STDERR_TEXT_LENGTH + 2,
0,
0,
&stderr_association,
0,
NULL,
VaryingChars
};
static
VARYING_STRING(STDIN_TEXT_LENGTH) stderr_text_record;
Text_Mode chill_stderr =
{
IO_TEXTLOCATION,
(VarString *)&stderr_text_record,
&stderr_access,
0
};
/*
* function __xmalloc_
*
* parameter:
* size number of bytes to allocate
*
* returns:
* void*
*
* abstract:
* This is the general allocation routine for libchill
*
*/
void *
__xmalloc_ (size)
int size;
{
void *tmp = malloc (size);
if (!tmp)
{
fprintf (stderr, "ChillLib: Out of heap space.\n");
fflush (stderr);
exit (ENOMEM);
}
return (tmp);
} /* __xmalloc_ */
static char *
newstring (char *str)
{
char *tmp = __xmalloc_ (strlen (str) + 1);
strcpy (tmp, str);
return tmp;
}
static void setup_stdinout (void) __attribute__((constructor));
static void
setup_stdinout ()
{
/* allocate the names */
stdin_association.pathname = newstring ("stdin");
stdout_association.pathname = newstring ("stdout");
stderr_association.pathname = newstring ("stderr");
/* stdin needs a readbuffer */
stdin_association.bufptr = __xmalloc_ (sizeof (readbuf_t));
memset (stdin_association.bufptr, 0, sizeof (readbuf_t));
}
|
