36 lines
509 B
C
36 lines
509 B
C
#include <u.h>
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#include <libc.h>
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#include <bio.h>
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int
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Bflush(Biobufhdr *bp)
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{
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int n, c;
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switch(bp->state) {
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case Bwactive:
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n = bp->bsize+bp->ocount;
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if(n == 0)
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return 0;
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c = bp->iof(bp, bp->bbuf, n);
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if(n == c) {
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bp->offset += n;
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bp->ocount = -bp->bsize;
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return 0;
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}
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bp->state = Binactive;
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bp->ocount = 0;
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Berror(bp, "write error: %r");
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break;
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case Bracteof:
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bp->state = Bractive;
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case Bractive:
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bp->icount = 0;
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bp->gbuf = bp->ebuf;
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return 0;
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}
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return Beof;
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}
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