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root/Development/ray/src/rt/devcomm.c
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Comparing ray/src/rt/devcomm.c (file contents):
Revision 2.11 by greg, Tue Nov 11 16:24:06 2003 UTC vs.
Revision 2.12 by schorsch, Tue Mar 30 16:13:01 2004 UTC

# Line 9 | Line 9 | static const char      RCSid[] = "$Id$";
9  
10   #include "copyright.h"
11  
12 < #include "platform.h"
12 > #include <sys/types.h>
13 > #include <sys/wait.h> /* XXX platform specific */
14  
15 + #include "platform.h"
16   #include "standard.h"
15 –
17   #include "driver.h"
18  
19   #ifndef DEVPATH
20   #define DEVPATH         getenv("PATH")  /* device search path */
21   #endif
22  
23 < static int      comm_getcur();
24 < static void     comm_close(), comm_clear(), comm_paintr(),
24 <                comm_comin(), comm_comout(), comm_flush();
23 > FILE    *devin, *devout;
24 > int     devchild;
25  
26 + static struct driver * final_connect(void);
27 + static void mygets(char *s, FILE        *fp);
28 + static void myputs(char *s, FILE        *fp);
29 + static void reply_error(char    *routine);
30 + static void getstate(void);
31 +
32 + static dr_closef_t comm_close;
33 + static dr_clearf_t comm_clear;
34 + static dr_paintrf_t comm_paintr;
35 + static dr_getcurf_t comm_getcur;
36 + static dr_comoutf_t comm_comout;
37 + static dr_cominf_t comm_comin;
38 + static dr_flushf_t comm_flush;
39 +
40   struct driver   comm_driver = {
41          comm_close, comm_clear, comm_paintr, comm_getcur,
42          comm_comout, comm_comin, comm_flush
43   };
44  
31 – static void     mygets(), myputs(), reply_error(), getstate();
45  
33 – FILE    *devin, *devout;
34 –
35 – int     devchild;
36 –
37 –
46   static struct driver *
47 < final_connect()                         /* verify and initialize connection */
47 > final_connect(void)                             /* verify and initialize connection */
48   {
49          putw(COM_SENDM, devout);
50          fflush(devout);
# Line 52 | Line 60 | final_connect()                                /* verify and initialize connection
60   }
61  
62  
63 < struct driver *
64 < slave_init(dname, id)                   /* run rview in slave mode */
65 < char    *dname, *id;
63 > extern struct driver *
64 > slave_init(                     /* run rview in slave mode */
65 >        char    *dname,
66 >        char    *id
67 > )
68   {
69          devchild = -1;                          /* we're the slave here */
70          devout = stdout;                        /* use standard input */
# Line 63 | Line 73 | char   *dname, *id;
73   }
74  
75  
76 < struct driver *
77 < comm_init(dname, id)                    /* set up and execute driver */
78 < char    *dname, *id;
76 > extern struct driver *
77 > comm_init(                      /* set up and execute driver */
78 >        char    *dname,
79 >        char    *id
80 > )
81   {
82          char    *dvcname;
83          int     p1[2], p2[2];
# Line 113 | Line 125 | syserr:
125  
126  
127   static void
128 < comm_close()                    /* done with driver */
128 > comm_close(void)                        /* done with driver */
129   {
130          int     pid;
131  
# Line 130 | Line 142 | comm_close()                   /* done with driver */
142  
143  
144   static void
145 < comm_clear(xres, yres)                          /* clear screen */
146 < int     xres, yres;
145 > comm_clear(                             /* clear screen */
146 >        int     xres,
147 >        int     yres
148 > )
149   {
150          putc(COM_CLEAR, devout);
151          putw(xres, devout);
# Line 141 | Line 155 | int    xres, yres;
155  
156  
157   static void
158 < comm_paintr(col, xmin, ymin, xmax, ymax)        /* paint a rectangle */
159 < COLOR   col;
160 < int     xmin, ymin, xmax, ymax;
158 > comm_paintr(    /* paint a rectangle */
159 >        COLOR   col,
160 >        int     xmin,
161 >        int     ymin,
162 >        int     xmax,
163 >        int     ymax
164 > )
165   {
166          putc(COM_PAINTR, devout);
167          fwrite((char *)col, sizeof(COLOR), 1, devout);
# Line 155 | Line 173 | int    xmin, ymin, xmax, ymax;
173  
174  
175   static void
176 < comm_flush()                            /* flush output to driver */
176 > comm_flush(void)                                /* flush output to driver */
177   {
178          putc(COM_FLUSH, devout);
179          fflush(devout);
# Line 166 | Line 184 | comm_flush()                           /* flush output to driver */
184  
185  
186   static int
187 < comm_getcur(xp, yp)                     /* get and return cursor position */
188 < int     *xp, *yp;
187 > comm_getcur(                    /* get and return cursor position */
188 >        int     *xp,
189 >        int     *yp
190 > )
191   {
192          int     c;
193  
# Line 183 | Line 203 | int    *xp, *yp;
203  
204  
205   static void
206 < comm_comout(str)                        /* print string to command line */
207 < char    *str;
206 > comm_comout(                    /* print string to command line */
207 >        char    *str
208 > )
209   {
210          putc(COM_COMOUT, devout);
211          myputs(str, devout);
# Line 194 | Line 215 | char   *str;
215  
216  
217   static void
218 < comm_comin(buf, prompt)                 /* read string from command line */
219 < char    *buf;
220 < char    *prompt;
218 > comm_comin(                     /* read string from command line */
219 >        char    *buf,
220 >        char    *prompt
221 > )
222   {
223          putc(COM_COMIN, devout);
224          if (prompt == NULL)
# Line 214 | Line 236 | char   *prompt;
236  
237  
238   static void
239 < mygets(s, fp)                           /* get string from file (with nul) */
240 < register char   *s;
241 < register FILE   *fp;
239 > mygets(                         /* get string from file (with nul) */
240 >        register char   *s,
241 >        register FILE   *fp
242 > )
243   {
244          register int    c;
245  
# Line 228 | Line 251 | register FILE  *fp;
251  
252  
253   static void
254 < myputs(s, fp)                           /* put string to file (with nul) */
255 < register char   *s;
256 < register FILE   *fp;
254 > myputs(                         /* put string to file (with nul) */
255 >        register char   *s,
256 >        register FILE   *fp
257 > )
258   {
259          do
260                  putc(*s, fp);
# Line 239 | Line 263 | register FILE  *fp;
263  
264  
265   static void
266 < reply_error(routine)                    /* what should we do here? */
267 < char    *routine;
266 > reply_error(                    /* what should we do here? */
267 >        char    *routine
268 > )
269   {
270          eputs(routine);
271          eputs(": driver reply error\n");
# Line 249 | Line 274 | char   *routine;
274  
275  
276   static void
277 < getstate()                              /* get driver state variables */
277 > getstate(void)                          /* get driver state variables */
278   {
279          fread((char *)&comm_driver.pixaspect,
280                          sizeof(comm_driver.pixaspect), 1, devin);

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