1 #include <u.h>
2 #include <libc.h>
3 #include <draw.h>
4 
5 /*
6  * Easy versions of the cache routines; may be substituted by fancier ones for other purposes
7  */
8 
9 static char	*lastname;
10 Subfont	*lastsubfont;
11 
12 Subfont*
13 lookupsubfont(Display *d, char *name)
14 {
15 	if(strcmp(name, "*default*") == 0)
16 		return d->defaultsubfont;
17 	if(lastname && strcmp(name, lastname)==0 && d==lastsubfont->bits->display){
18 		lastsubfont->ref++;
19 		return lastsubfont;
20 	}
21 	return 0;
22 }
23 
24 void
25 installsubfont(char *name, Subfont *subfont)
26 {
27 	free(lastname);
28 	lastname = strdup(name);
29 	lastsubfont = subfont;	/* notice we don't free the old one; that's your business */
30 }
31 
32 void
33 uninstallsubfont(Subfont *subfont)
34 {
35 	if(subfont == lastsubfont){
36 		lastname = 0;
37 		lastsubfont = 0;
38 	}
39 }