1 #include <u.h>
2 #include <libc.h>
3 #include <draw.h>
4 
5 extern vlong _drawflength(int);
6 
7 Font*
8 openfont(Display *d, char *name)
9 {
10 	Font *fnt;
11 	int fd, i, n;
12 	char *buf, *nambuf;
13 
14 	nambuf = 0;
15 	fd = open(name, OREAD);
16 
17 	if(fd < 0 && strncmp(name, "/lib/font/bit/", 14) == 0){
18 		nambuf = smprint("#9/font/%s", name+14);
19 		if(nambuf == nil)
20 			return 0;
21 		nambuf = unsharp(nambuf);
22 		if(nambuf == nil)
23 			return 0;
24 		if((fd = open(nambuf, OREAD)) < 0){
25 			free(nambuf);
26 			return 0;
27 		}
28 		name = nambuf;
29 	}
30 	if(fd < 0)
31 		return 0;
32 
33 	n = _drawflength(fd);
34 	buf = malloc(n+1);
35 	if(buf == 0){
36 		close(fd);
37 		free(nambuf);
38 		return 0;
39 	}
40 	buf[n] = 0;
41 	i = read(fd, buf, n);
42 	close(fd);
43 	if(i != n){
44 		free(buf);
45 		free(nambuf);
46 		return 0;
47 	}
48 	fnt = buildfont(d, buf, name);
49 	free(buf);
50 	free(nambuf);
51 	return fnt;
52 }