49 lines
1.0 KiB
C
49 lines
1.0 KiB
C
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/*
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* This file is part of the UCB release of Plan 9. It is subject to the license
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* terms in the LICENSE file found in the top-level directory of this
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* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
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* part of the UCB release of Plan 9, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms contained
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* in the LICENSE file.
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*/
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#include <u.h>
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#include <libc.h>
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#include <bio.h>
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static int
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fmtBflush(Fmt *f)
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{
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Biobufhdr *bp;
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bp = f->farg;
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bp->ocount = (char*)f->to - (char*)f->stop;
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if(Bflush(bp) < 0)
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return 0;
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f->stop = bp->ebuf;
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f->to = (char*)f->stop + bp->ocount;
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f->start = f->to;
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return 1;
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}
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int
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Bvprint(Biobufhdr *bp, char *fmt, va_list arg)
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{
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int n;
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Fmt f;
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f.runes = 0;
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f.stop = bp->ebuf;
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f.start = (char*)f.stop + bp->ocount;
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f.to = f.start;
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f.flush = fmtBflush;
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f.farg = bp;
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f.nfmt = 0;
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//f.args = arg;
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va_copy(f.args, arg);
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n = dofmt(&f, fmt);
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va_end(f.args);
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bp->ocount = (char*)f.to - (char*)f.stop;
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return n;
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}
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