| 26 |
|
static SUBPROC dpd; |
| 27 |
|
static FILE *dpout; |
| 28 |
|
|
| 29 |
+ |
static void disp_flush(void); |
| 30 |
+ |
static void disp_result(int type, int nbytes, char *p); |
| 31 |
|
|
| 32 |
< |
disp_open(dname) /* open the named display driver */ |
| 33 |
< |
char *dname; |
| 32 |
> |
|
| 33 |
> |
void |
| 34 |
> |
disp_open( /* open the named display driver */ |
| 35 |
> |
char *dname |
| 36 |
> |
) |
| 37 |
|
{ |
| 38 |
|
char buf[sizeof(HDGRID)+512], fd0[8], fd1[8], *cmd[5], *sfn; |
| 39 |
|
int i, n, len; |
| 98 |
|
} |
| 99 |
|
|
| 100 |
|
|
| 101 |
< |
disp_packet(p) /* display a packet */ |
| 102 |
< |
register PACKHEAD *p; |
| 101 |
> |
void |
| 102 |
> |
disp_packet( /* display a packet */ |
| 103 |
> |
PACKHEAD *p |
| 104 |
> |
) |
| 105 |
|
{ |
| 106 |
|
disp_result(DS_BUNDLE, packsiz(p->nr), (char *)p); |
| 107 |
|
} |
| 108 |
|
|
| 109 |
|
|
| 110 |
< |
disp_check(block) /* check display process */ |
| 111 |
< |
int block; |
| 110 |
> |
int |
| 111 |
> |
disp_check( /* check display process */ |
| 112 |
> |
int block |
| 113 |
> |
) |
| 114 |
|
{ |
| 115 |
|
MSGHEAD msg; |
| 116 |
|
int n; |
| 247 |
|
error(SYSTEM, "cannot change display blocking mode"); |
| 248 |
|
readerr: |
| 249 |
|
error(SYSTEM, "error reading from display process"); |
| 250 |
+ |
return -1; /* pro forma return */ |
| 251 |
|
} |
| 252 |
|
|
| 253 |
|
|
| 254 |
|
int |
| 255 |
< |
disp_close() /* close our display process */ |
| 255 |
> |
disp_close(void) /* close our display process */ |
| 256 |
|
{ |
| 247 |
– |
int rval; |
| 248 |
– |
|
| 257 |
|
if (dpout == NULL) |
| 258 |
|
return(-1); |
| 259 |
|
myeye.rng = 0; |
| 265 |
|
} |
| 266 |
|
|
| 267 |
|
|
| 268 |
< |
disp_result(type, nbytes, p) /* queue result message to display process */ |
| 269 |
< |
int type, nbytes; |
| 270 |
< |
char *p; |
| 268 |
> |
static void |
| 269 |
> |
disp_result( /* queue result message to display process */ |
| 270 |
> |
int type, |
| 271 |
> |
int nbytes, |
| 272 |
> |
char *p |
| 273 |
> |
) |
| 274 |
|
{ |
| 275 |
|
MSGHEAD msg; |
| 276 |
|
/* consistency checks */ |
| 282 |
|
return; |
| 283 |
|
msg.type = type; |
| 284 |
|
msg.nbytes = nbytes; |
| 285 |
< |
fwrite((char *)&msg, sizeof(MSGHEAD), 1, dpout); |
| 285 |
> |
putbinary(&msg, sizeof(MSGHEAD), 1, dpout); |
| 286 |
|
if (nbytes > 0) |
| 287 |
< |
fwrite(p, 1, nbytes, dpout); |
| 287 |
> |
putbinary(p, 1, nbytes, dpout); |
| 288 |
|
} |
| 289 |
|
|
| 290 |
|
|
| 291 |
< |
disp_flush() /* flush output to display */ |
| 291 |
> |
static void |
| 292 |
> |
disp_flush(void) /* flush output to display */ |
| 293 |
|
{ |
| 294 |
|
if (fflush(dpout) < 0) |
| 295 |
|
error(SYSTEM, "error writing to the display process"); |
