62 lines
1.2 KiB
C
62 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: convert to file name
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*/
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char*
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subfontname(char *cfname, char *fname, int maxdepth)
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{
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char *t, *u, *tmp1, *tmp2;
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int i;
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t = strdup(cfname); /* t is the return string */
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if(strcmp(cfname, "*default*") == 0)
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return t;
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if(t[0] != '/'){
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tmp2 = strdup(fname);
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u = utfrrune(tmp2, '/');
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if(u)
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u[0] = 0;
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else
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strcpy(tmp2, ".");
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tmp1 = smprint("%s/%s", tmp2, t);
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free(tmp2);
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free(t);
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t = tmp1;
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}
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if(maxdepth > 8)
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maxdepth = 8;
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for(i=3; i>=0; i--){
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if((1<<i) > maxdepth)
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continue;
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/* try i-bit grey */
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tmp2 = smprint("%s.%d", t, i);
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if(access(tmp2, AREAD) == 0) {
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free(t);
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return tmp2;
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}
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free(tmp2);
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}
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/* try default */
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if(access(t, AREAD) == 0)
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return t;
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free(t);
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return nil;
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}
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