ref: 254b07675e1a5348f2a8723f55e6b5b1b18a4721
dir: /libdraw/getsubfont.c/
#include "lib9.h"
#include "kernel.h"
#include "draw.h"
/*
* Default version: treat as file name
*/
Subfont*
_getsubfont(Display *d, char *name)
{
int fd;
Subfont *f;
fd = libopen(name, OREAD);
if(fd < 0){
_drawprint(2, "getsubfont: can't open %s: %r\n", name);
return 0;
}
/*
* unlock display so i/o happens with display released, unless
* user is doing his own locking, in which case this could break things.
* _getsubfont is called only from string.c and stringwidth.c,
* which are known to be safe to have this done.
*/
if(d->local == 0)
unlockdisplay(d);
f = readsubfont(d, name, fd, d->local == 0);
if(d->local == 0)
lockdisplay(d);
if(f == 0)
_drawprint(2, "getsubfont: can't read %s: %r\n", name);
libclose(fd);
return f;
}