12345678910111213141516171819202122232425262728293031323334 |
- #include <u.h>
- #include <libc.h>
- #include <bio.h>
- int
- Bflush(Biobufhdr *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;
- }
|