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