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https://github.com/0intro/wmii
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48 lines
636 B
C
48 lines
636 B
C
#include "plan9.h"
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#include <bio.h>
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#include <utf.h>
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long
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Bgetrune(Biobuf *bp)
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{
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int c, i;
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Rune rune;
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char str[UTFmax];
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c = Bgetc(bp);
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if(c < Runeself) { /* one char */
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bp->runesize = 1;
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return c;
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}
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str[0] = c;
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for(i=1;;) {
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c = Bgetc(bp);
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if(c < 0)
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return c;
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str[i++] = c;
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if(fullrune(str, i)) {
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bp->runesize = chartorune(&rune, str);
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while(i > bp->runesize) {
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Bungetc(bp);
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i--;
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}
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return rune;
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}
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}
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}
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int
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Bungetrune(Biobuf *bp)
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{
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if(bp->state == Bracteof)
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bp->state = Bractive;
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if(bp->state != Bractive)
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return Beof;
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bp->icount -= bp->runesize;
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bp->runesize = 0;
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return 1;
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}
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