| 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(), r_mycomin(); |
| 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 |
|
|
| 61 |
|
if ((dev = dinit(argv[0], argv[3])) == NULL) |
| 62 |
|
quit(1); |
| 63 |
|
putw(COM_RECVM, devout); /* verify initialization */ |
| 64 |
+ |
fwrite((char *)&dev->pixaspect, sizeof(dev->pixaspect), 1, devout); |
| 65 |
|
putw(dev->xsiz, devout); |
| 66 |
|
putw(dev->ysiz, devout); |
| 67 |
– |
fwrite(dev->pixaspect, sizeof(dev->pixaspect), 1, devout); |
| 67 |
|
fflush(devout); |
| 68 |
|
/* loop on requests */ |
| 69 |
|
while ((com = getc(devin)) != EOF) { |
| 101 |
|
COLOR col; |
| 102 |
|
int xmin, ymin, xmax, ymax; |
| 103 |
|
|
| 104 |
< |
nrays += 5; /* pretend */ |
| 106 |
< |
fread(col, sizeof(COLOR), 1, devin); |
| 104 |
> |
fread((char *)col, sizeof(COLOR), 1, devin); |
| 105 |
|
xmin = getw(devin); ymin = getw(devin); |
| 106 |
|
xmax = getw(devin); ymax = getw(devin); |
| 107 |
|
(*dev->paintr)(col, xmin, ymin, xmax, ymax); |
| 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); |