ref: df03eca7e7cbfadf1cf8c8c5a94390eaa5013a8b
dir: /libbio/bflush.c/
#include "lib9.h"
#include <bio.h>
int
Bflush(Biobuf *bp)
{
int n, c;
switch(bp->state) {
case Bwactive:
n = bp->bsize+bp->ocount;
if(n == 0)
return 0;
c = write(bp->fid, bp->bbuf, n);
if(n == c) {
bp->offset += n;
bp->ocount = -bp->bsize;
return 0;
}
bp->state = Binactive;
bp->ocount = 0;
break;
case Bracteof:
bp->state = Bractive;
case Bractive:
bp->icount = 0;
bp->gbuf = bp->ebuf;
return 0;
}
return Beof;
}