1 76193d7c 2003-09-30 devnull #include <u.h>
 2 76193d7c 2003-09-30 devnull #include <libc.h>
 3 76193d7c 2003-09-30 devnull #include <draw.h>
 4 76193d7c 2003-09-30 devnull 
 5 76193d7c 2003-09-30 devnull /*
 6 76193d7c 2003-09-30 devnull  * Default version: convert to file name
 7 76193d7c 2003-09-30 devnull  */
 8 76193d7c 2003-09-30 devnull 
 9 76193d7c 2003-09-30 devnull char*
10 76193d7c 2003-09-30 devnull subfontname(char *cfname, char *fname, int maxdepth)
11 76193d7c 2003-09-30 devnull {
12 d4aef6a0 2005-05-12 devnull 	char *t, *u, *tmp1, *tmp2;
13 76193d7c 2003-09-30 devnull 	int i;
14 76193d7c 2003-09-30 devnull 
15 d4aef6a0 2005-05-12 devnull 	t = strdup(cfname);  /* t is the return string */
16 76193d7c 2003-09-30 devnull 	if(strcmp(cfname, "*default*") == 0)
17 d4aef6a0 2005-05-12 devnull 		return t;
18 76193d7c 2003-09-30 devnull 	if(t[0] != '/'){
19 d4aef6a0 2005-05-12 devnull 		tmp2 = strdup(fname);
20 76193d7c 2003-09-30 devnull 		u = utfrrune(tmp2, '/');
21 76193d7c 2003-09-30 devnull 		if(u)
22 76193d7c 2003-09-30 devnull 			u[0] = 0;
23 76193d7c 2003-09-30 devnull 		else
24 76193d7c 2003-09-30 devnull 			strcpy(tmp2, ".");
25 d4aef6a0 2005-05-12 devnull 		tmp1 = smprint("%s/%s", tmp2, t);
26 d4aef6a0 2005-05-12 devnull 		free(tmp2);
27 d4aef6a0 2005-05-12 devnull 		free(t);
28 76193d7c 2003-09-30 devnull 		t = tmp1;
29 76193d7c 2003-09-30 devnull 	}
30 76193d7c 2003-09-30 devnull 
31 76193d7c 2003-09-30 devnull 	if(maxdepth > 8)
32 76193d7c 2003-09-30 devnull 		maxdepth = 8;
33 76193d7c 2003-09-30 devnull 
34 161060a4 2003-10-11 devnull 	for(i=3; i>=0; i--){
35 161060a4 2003-10-11 devnull 		if((1<<i) > maxdepth)
36 161060a4 2003-10-11 devnull 			continue;
37 76193d7c 2003-09-30 devnull 		/* try i-bit grey */
38 d4aef6a0 2005-05-12 devnull 		tmp2 = smprint("%s.%d", t, i);
39 d4aef6a0 2005-05-12 devnull 		if(access(tmp2, AREAD) == 0) {
40 d4aef6a0 2005-05-12 devnull 			free(t);
41 d4aef6a0 2005-05-12 devnull 			return tmp2;
42 d4aef6a0 2005-05-12 devnull 		}
43 76193d7c 2003-09-30 devnull 	}
44 76193d7c 2003-09-30 devnull 
45 76193d7c 2003-09-30 devnull 	/* try default */
46 76193d7c 2003-09-30 devnull 	if(access(t, AREAD) == 0)
47 d4aef6a0 2005-05-12 devnull 		return t;
48 76193d7c 2003-09-30 devnull 
49 76193d7c 2003-09-30 devnull 	return nil;
50 76193d7c 2003-09-30 devnull }