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1 91c13e54 2004-02-29 devnull /*
2 91c13e54 2004-02-29 devnull * The authors of this software are Rob Pike and Ken Thompson.
3 91c13e54 2004-02-29 devnull * Copyright (c) 2002 by Lucent Technologies.
4 91c13e54 2004-02-29 devnull * Permission to use, copy, modify, and distribute this software for any
5 91c13e54 2004-02-29 devnull * purpose without fee is hereby granted, provided that this entire notice
6 91c13e54 2004-02-29 devnull * is included in all copies of any software which is or includes a copy
7 91c13e54 2004-02-29 devnull * or modification of this software and in all copies of the supporting
8 91c13e54 2004-02-29 devnull * documentation for such software.
9 91c13e54 2004-02-29 devnull * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
10 c90dd38f 2004-12-29 devnull * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE
11 c90dd38f 2004-12-29 devnull * ANY REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
12 91c13e54 2004-02-29 devnull * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
13 91c13e54 2004-02-29 devnull */
14 91c13e54 2004-02-29 devnull #include <stdarg.h>
15 91c13e54 2004-02-29 devnull #include <unistd.h>
16 e5aa96ac 2004-12-26 devnull #include "plan9.h"
17 91c13e54 2004-02-29 devnull #include "fmt.h"
18 91c13e54 2004-02-29 devnull #include "fmtdef.h"
19 91c13e54 2004-02-29 devnull
20 91c13e54 2004-02-29 devnull /*
21 91c13e54 2004-02-29 devnull * generic routine for flushing a formatting buffer
22 91c13e54 2004-02-29 devnull * to a file descriptor
23 91c13e54 2004-02-29 devnull */
24 91c13e54 2004-02-29 devnull int
25 91c13e54 2004-02-29 devnull __fmtFdFlush(Fmt *f)
26 91c13e54 2004-02-29 devnull {
27 91c13e54 2004-02-29 devnull int n;
28 91c13e54 2004-02-29 devnull
29 91c13e54 2004-02-29 devnull n = (char*)f->to - (char*)f->start;
30 91c13e54 2004-02-29 devnull if(n && write((int)f->farg, f->start, n) != n)
31 91c13e54 2004-02-29 devnull return 0;
32 91c13e54 2004-02-29 devnull f->to = f->start;
33 91c13e54 2004-02-29 devnull return 1;
34 91c13e54 2004-02-29 devnull }