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
|
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <signal.h>
#include <setjmp.h>
#include "atari.h"
#include "prompts.h"
static char *rcsid = "$Id: configure.c,v 1.20 1998/02/21 14:56:45 david Exp $";
jmp_buf jmpbuf;
void bus_err()
{
longjmp(jmpbuf, 1);
}
int unaligned_long_ok()
{
#ifdef DJGPP
return 1;
#else
long l[2];
if (setjmp(jmpbuf) == 0) {
signal(SIGBUS, bus_err);
*((long *) ((char *) l + 1)) = 1;
signal(SIGBUS, SIG_DFL);
return 1;
}
else {
signal(SIGBUS, SIG_DFL);
return 0;
}
#endif
}
int main(void)
{
FILE *fp;
char config_filename[256];
char *home;
char config_version[256];
char gash[256];
char linux_joystick = 'N';
char joymouse = 'N';
char direct_video = 'N';
char voxware = 'N';
int allow_unaligned_long = 0;
home = getenv("~");
if (!home)
home = getenv("HOME");
if (!home)
home = ".";
#ifndef DJGPP
sprintf(config_filename, "%s/.atari800", home);
#else
sprintf(config_filename, "%s/atari800.cfg", home);
#endif
fp = fopen(config_filename, "r");
if (fp) {
char *ptr;
int len;
printf("\nReading: %s\n\n", config_filename);
fgets(config_version, 256, fp);
RemoveLF(config_version);
if (strcmp(ATARI_TITLE, config_version) == 0) {
if (fscanf(fp, "\n%c", &linux_joystick) == 0)
linux_joystick = 'N';
if (fscanf(fp, "\n%c\n", &direct_video) == 0)
direct_video = 'N';
if (fscanf(fp, "\n%c", &joymouse) == 0)
joymouse = 'N';
if (fscanf(fp, "\n%c\n", &voxware) == 0)
voxware = 'N';
}
else {
printf("Cannot use this configuration file\n");
}
fclose(fp);
}
YesNo("Enable LINUX Joystick [%c] ", &linux_joystick);
YesNo("Support for Toshiba Joystick Mouse (Linux SVGALIB Only) [%c] ", &joymouse);
YesNo("Enable Direct Video Access [%c] ", &direct_video);
YesNo("Enable Voxware Sound Support (Linux) [%c] ", &voxware);
printf("Testing unaligned long accesses...");
if ((allow_unaligned_long = unaligned_long_ok())) {
printf("OK\n");
}
else {
printf("not OK\n");
}
fp = fopen("config.h", "w");
if (fp) {
fprintf(fp, "#ifndef __CONFIG__\n");
fprintf(fp, "#define __CONFIG__\n");
if (linux_joystick == 'Y')
fprintf(fp, "#define LINUX_JOYSTICK\n");
if (direct_video == 'Y')
fprintf(fp, "#define DIRECT_VIDEO\n");
if (joymouse == 'Y')
fprintf(fp, "#define JOYMOUSE\n");
if (voxware == 'Y')
fprintf(fp, "#define VOXWARE\n");
if (allow_unaligned_long == 1)
fprintf(fp, "#define UNALIGNED_LONG_OK\n");
fprintf(fp, "#endif\n");
fclose(fp);
}
fp = fopen(config_filename, "w");
if (fp) {
printf("\nWriting: %s\n\n", config_filename);
fprintf(fp, "%s\n", ATARI_TITLE);
fprintf(fp, "%c\n", linux_joystick);
fprintf(fp, "%c\n", direct_video);
fprintf(fp, "%c\n", joymouse);
fprintf(fp, "%c\n", voxware);
fclose(fp);
}
else {
perror(config_filename);
exit(1);
}
return 0;
}
|
