36 lines
408 B
C
36 lines
408 B
C
#include <u.h>
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#include <libc.h>
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int
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wstrutflen(Rune *s)
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{
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int n;
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for(n=0; *s; n+=runelen(*s),s++)
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;
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return n;
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}
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int
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wstrtoutf(char *s, Rune *t, int n)
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{
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int i;
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char *s0;
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s0 = s;
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if(n <= 0)
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return wstrutflen(t)+1;
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while(*t) {
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if(n < UTFmax+1 && n < runelen(*t)+1) {
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*s = 0;
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return i+wstrutflen(t)+1;
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}
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i = runetochar(s, t);
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s += i;
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n -= i;
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t++;
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}
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*s = 0;
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return s-s0;
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}
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