mirror of
https://github.com/0intro/wmii
synced 2024-11-25 07:09:38 +03:00
48 lines
631 B
C
48 lines
631 B
C
#include "plan9.h"
|
|
#include <bio.h>
|
|
#include <utf.h>
|
|
|
|
long
|
|
Bgetrune(Biobuf *bp)
|
|
{
|
|
int c, i;
|
|
Rune rune;
|
|
char str[4];
|
|
|
|
c = Bgetc(bp);
|
|
if(c < Runeself) { /* one char */
|
|
bp->runesize = 1;
|
|
return c;
|
|
}
|
|
str[0] = c;
|
|
|
|
for(i=1;;) {
|
|
c = Bgetc(bp);
|
|
if(c < 0)
|
|
return c;
|
|
str[i++] = c;
|
|
|
|
if(fullrune(str, i)) {
|
|
bp->runesize = chartorune(&rune, str);
|
|
while(i > bp->runesize) {
|
|
Bungetc(bp);
|
|
i--;
|
|
}
|
|
return rune;
|
|
}
|
|
}
|
|
}
|
|
|
|
int
|
|
Bungetrune(Biobuf *bp)
|
|
{
|
|
|
|
if(bp->state == Bracteof)
|
|
bp->state = Bractive;
|
|
if(bp->state != Bractive)
|
|
return Beof;
|
|
bp->icount -= bp->runesize;
|
|
bp->runesize = 0;
|
|
return 1;
|
|
}
|