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root/Development/ray/src/rt/devcomm.c
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Comparing ray/src/rt/devcomm.c (file contents):
Revision 2.5 by gregl, Tue Nov 11 19:55:03 1997 UTC vs.
Revision 2.7 by greg, Tue Feb 25 02:47:22 2003 UTC

# Line 1 | Line 1
1 – /* Copyright (c) 1988 Regents of the University of California */
2 –
1   #ifndef lint
2 < static char SCCSid[] = "$SunId$ LBL";
2 > static const char       RCSid[] = "$Id$";
3   #endif
6 –
4   /*
5   *  devcomm.c - communication routines for separate drivers.
6   *
7 < *      10/5/88
7 > *  External symbols declared in driver.h
8   */
9  
10 + #include "copyright.h"
11 +
12   #include "standard.h"
13  
14   #include "color.h"
# Line 22 | Line 21 | static char SCCSid[] = "$SunId$ LBL";
21   #define DEVPATH         getenv("PATH")  /* device search path */
22   #endif
23  
24 < static int      comm_close(), comm_clear(), comm_paintr(),
25 <                comm_getcur(), comm_comout(), comm_comin(), comm_flush();
24 > static int      comm_getcur();
25 > static void     comm_close(), comm_clear(), comm_paintr(),
26 >                comm_comin(), comm_comout(), comm_flush();
27  
28   struct driver   comm_driver = {
29          comm_close, comm_clear, comm_paintr, comm_getcur,
30          comm_comout, comm_comin, comm_flush
31   };
32  
33 < static int      mygets(), myputs(), reply_error(), getstate();
33 > static void     mygets(), myputs(), reply_error(), getstate();
34  
35   FILE    *devin, *devout;
36  
# Line 69 | Line 69 | struct driver *
69   comm_init(dname, id)                    /* set up and execute driver */
70   char    *dname, *id;
71   {
72 <        char    *devname;
72 >        char    *dvcname;
73          int     p1[2], p2[2];
74          char    pin[16], pout[16];
75                                                  /* find driver program */
76 <        if ((devname = getpath(dname, DEVPATH, X_OK)) == NULL) {
76 >        if ((dvcname = getpath(dname, DEVPATH, X_OK)) == NULL) {
77                  eputs(dname);
78                  eputs(": not found\n");
79                  return(NULL);
# Line 86 | Line 86 | char   *dname, *id;
86                  close(p2[0]);
87                  sprintf(pin, "%d", p1[0]);
88                  sprintf(pout, "%d", p2[1]);
89 <                execl(devname, dname, pin, pout, id, 0);
90 <                perror(devname);
89 >                execl(dvcname, dname, pin, pout, id, 0);
90 >                perror(dvcname);
91                  _exit(127);
92          }
93          if (devchild == -1)
# Line 105 | Line 105 | syserr:
105   }
106  
107  
108 < static
108 > static void
109   comm_close()                    /* done with driver */
110   {
111          int     pid;
# Line 122 | Line 122 | comm_close()                   /* done with driver */
122   }
123  
124  
125 < static
125 > static void
126   comm_clear(xres, yres)                          /* clear screen */
127   int     xres, yres;
128   {
# Line 133 | Line 133 | int    xres, yres;
133   }
134  
135  
136 < static
136 > static void
137   comm_paintr(col, xmin, ymin, xmax, ymax)        /* paint a rectangle */
138   COLOR   col;
139   int     xmin, ymin, xmax, ymax;
# Line 147 | Line 147 | int    xmin, ymin, xmax, ymax;
147   }
148  
149  
150 < static
150 > static void
151   comm_flush()                            /* flush output to driver */
152   {
153          putc(COM_FLUSH, devout);
# Line 175 | Line 175 | int    *xp, *yp;
175   }
176  
177  
178 < static
178 > static void
179   comm_comout(str)                        /* print string to command line */
180   char    *str;
181   {
# Line 186 | Line 186 | char   *str;
186   }
187  
188  
189 < static
189 > static void
190   comm_comin(buf, prompt)                 /* read string from command line */
191   char    *buf;
192   char    *prompt;
# Line 206 | Line 206 | char   *prompt;
206   }
207  
208  
209 < static
209 > static void
210   mygets(s, fp)                           /* get string from file (with nul) */
211   register char   *s;
212   register FILE   *fp;
# Line 220 | Line 220 | register FILE  *fp;
220   }
221  
222  
223 < static
223 > static void
224   myputs(s, fp)                           /* put string to file (with nul) */
225   register char   *s;
226   register FILE   *fp;
# Line 231 | Line 231 | register FILE  *fp;
231   }
232  
233  
234 < static
234 > static void
235   reply_error(routine)                    /* what should we do here? */
236   char    *routine;
237   {
# Line 241 | Line 241 | char   *routine;
241   }
242  
243  
244 < static
244 > static void
245   getstate()                              /* get driver state variables */
246   {
247          fread((char *)&comm_driver.pixaspect,

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