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: treat as file name
 7 76193d7c 2003-09-30 devnull  */
 8 76193d7c 2003-09-30 devnull 
 9 9b4a2324 2009-07-09 rsc int _fontpipe(char*);
10 9b4a2324 2009-07-09 rsc 
11 76193d7c 2003-09-30 devnull Subfont*
12 76193d7c 2003-09-30 devnull _getsubfont(Display *d, char *name)
13 76193d7c 2003-09-30 devnull {
14 76193d7c 2003-09-30 devnull 	int fd;
15 76193d7c 2003-09-30 devnull 	Subfont *f;
16 76193d7c 2003-09-30 devnull 
17 76193d7c 2003-09-30 devnull 	fd = open(name, OREAD);
18 9b4a2324 2009-07-09 rsc 	if(fd < 0 && strncmp(name, "/mnt/font/", 10) == 0)
19 9b4a2324 2009-07-09 rsc 		fd = _fontpipe(name+10);
20 9b4a2324 2009-07-09 rsc 
21 76193d7c 2003-09-30 devnull 	if(fd < 0){
22 76193d7c 2003-09-30 devnull 		fprint(2, "getsubfont: can't open %s: %r\n", name);
23 76193d7c 2003-09-30 devnull 		return 0;
24 76193d7c 2003-09-30 devnull 	}
25 76193d7c 2003-09-30 devnull 	/*
26 76193d7c 2003-09-30 devnull 	 * unlock display so i/o happens with display released, unless
27 76193d7c 2003-09-30 devnull 	 * user is doing his own locking, in which case this could break things.
28 76193d7c 2003-09-30 devnull 	 * _getsubfont is called only from string.c and stringwidth.c,
29 76193d7c 2003-09-30 devnull 	 * which are known to be safe to have this done.
30 76193d7c 2003-09-30 devnull 	 */
31 4e206880 2004-04-25 devnull 	if(d && d->locking == 0)
32 76193d7c 2003-09-30 devnull 		unlockdisplay(d);
33 4e206880 2004-04-25 devnull 	f = readsubfont(d, name, fd, d && d->locking==0);
34 4e206880 2004-04-25 devnull 	if(d && d->locking == 0)
35 76193d7c 2003-09-30 devnull 		lockdisplay(d);
36 76193d7c 2003-09-30 devnull 	if(f == 0)
37 76193d7c 2003-09-30 devnull 		fprint(2, "getsubfont: can't read %s: %r\n", name);
38 76193d7c 2003-09-30 devnull 	close(fd);
39 76193d7c 2003-09-30 devnull 	return f;
40 76193d7c 2003-09-30 devnull }