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55 lines
897 B
C
55 lines
897 B
C
#include <u.h>
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#include <libc.h>
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#include <draw.h>
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extern vlong _drawflength(int);
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Font*
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openfont(Display *d, char *name)
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{
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Font *fnt;
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int fd, i, n;
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char *buf, *nambuf, *root;
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nambuf = 0;
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fd = open(name, OREAD);
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if(fd < 0 && strncmp(name, "/lib/font/bit/", 14) == 0){
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root = getenv("PLAN9");
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if(root == nil)
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return 0;
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nambuf = malloc(strlen(root)+5+strlen(name+13)+1);
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if(nambuf == nil)
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return 0;
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strcpy(nambuf, root);
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strcat(nambuf, "/font");
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strcat(nambuf, name+13);
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if((fd = open(nambuf, OREAD)) < 0){
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free(nambuf);
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return 0;
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}
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name = nambuf;
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}
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if(fd < 0)
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return 0;
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n = _drawflength(fd);
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buf = malloc(n+1);
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if(buf == 0){
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close(fd);
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free(nambuf);
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return 0;
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}
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buf[n] = 0;
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i = read(fd, buf, n);
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close(fd);
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if(i != n){
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free(buf);
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free(nambuf);
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return 0;
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}
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fnt = buildfont(d, buf, name);
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free(buf);
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free(nambuf);
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return fnt;
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}
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