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 		if((fd = open(nambuf, OREAD)) < 0){
22 fprint(2, "failed at %s\n", nambuf);
23 			free(nambuf);
24 			return 0;
25 		}
26 		name = nambuf;
27 	}
28 	if(fd < 0)
29 		return 0;
30 
31 	n = _drawflength(fd);
32 	buf = malloc(n+1);
33 	if(buf == 0){
34 		close(fd);
35 		free(nambuf);
36 		return 0;
37 	}
38 	buf[n] = 0;
39 	i = read(fd, buf, n);
40 	close(fd);
41 	if(i != n){
42 		free(buf);
43 		free(nambuf);
44 		return 0;
45 	}
46 	fnt = buildfont(d, buf, name);
47 	free(buf);
48 	free(nambuf);
49 	return fnt;
50 }