22 |
|
|
23 |
|
int (*wrnvec)(), (*errvec)(), (*cmdvec)(); /* error vectors, unused */ |
24 |
|
|
25 |
– |
long nrays = 0; /* fake it */ |
26 |
– |
|
25 |
|
struct driver *dev = NULL; /* output device */ |
26 |
|
|
27 |
|
FILE *devin, *devout; /* communications channels */ |
30 |
|
|
31 |
|
char *progname; /* driver name */ |
32 |
|
|
33 |
< |
int r_clear(), r_paintr(), r_getcur(), r_comout(), r_comin(); |
33 |
> |
int r_clear(), r_paintr(), r_getcur(), r_comout(), r_comin(), r_flush(); |
34 |
|
|
35 |
|
int (*dev_func[NREQUESTS])() = { /* request handlers */ |
36 |
|
r_clear, r_paintr, |
37 |
< |
r_getcur, r_comout, r_comin |
37 |
> |
r_getcur, r_comout, |
38 |
> |
r_comin, r_flush |
39 |
|
}; |
40 |
|
|
41 |
|
|
101 |
|
COLOR col; |
102 |
|
int xmin, ymin, xmax, ymax; |
103 |
|
|
105 |
– |
nrays += 5; /* pretend */ |
104 |
|
fread((char *)col, sizeof(COLOR), 1, devin); |
105 |
|
xmin = getw(devin); ymin = getw(devin); |
106 |
|
xmax = getw(devin); ymax = getw(devin); |
113 |
|
} |
114 |
|
|
115 |
|
|
116 |
+ |
r_flush() /* flush output */ |
117 |
+ |
{ |
118 |
+ |
if (dev->flush != NULL) |
119 |
+ |
(*dev->flush)(); |
120 |
+ |
} |
121 |
+ |
|
122 |
+ |
|
123 |
|
r_getcur() /* get and return cursor position */ |
124 |
|
{ |
125 |
|
int c; |
150 |
|
|
151 |
|
r_comin() /* read string from command line */ |
152 |
|
{ |
153 |
< |
char buf[256]; |
153 |
> |
char buf[256], *prompt; |
154 |
> |
/* get prompt */ |
155 |
> |
if (getc(devin)) { |
156 |
> |
mygets(buf, devin); |
157 |
> |
prompt = buf; |
158 |
> |
} else |
159 |
> |
prompt = NULL; |
160 |
|
/* get string */ |
161 |
< |
(*dev->comin)(buf); |
161 |
> |
(*dev->comin)(buf, prompt); |
162 |
|
/* reply */ |
163 |
|
putc(COM_COMIN, devout); |
164 |
|
myputs(buf, devout); |