47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
/*
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* This file is part of the UCB release of Plan 9. It is subject to the license
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* terms in the LICENSE file found in the top-level directory of this
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* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
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* part of the UCB release of Plan 9, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms contained
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* in the LICENSE file.
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*/
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#include <u.h>
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#include <lib9.h>
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#include <draw.h>
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/*
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* Default version: treat as file name
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*/
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Subfont*
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_getsubfont(Display *d, char *name)
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{
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int fd;
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Subfont *f;
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fd = sys_open(name, OREAD);
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if(fd < 0){
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fprint(2, "getsubfont: can't open %s: %r\n", name);
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return 0;
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}
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/*
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* unlock display so i/o happens with display released, unless
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* user is doing his own locking, in which case this could break things.
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* _getsubfont is called only from string.c and stringwidth.c,
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* which are known to be safe to have this done.
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*/
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if(d && d->locking == 0)
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unlockdisplay(d);
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f = readsubfont(d, name, fd, d && d->locking==0);
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if(d && d->locking == 0)
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lockdisplay(d);
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if(f == 0)
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fprint(2, "getsubfont: can't read %s: %r\n", name);
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sys_close(fd);
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setmalloctag(f, getcallerpc());
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return f;
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}
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