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updates from p9p

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This commit is contained in:
Russ Cox
2006-01-17 12:37:52 +00:00
parent c0c120e2d1
commit 001d391fa7
35 changed files with 1126 additions and 483 deletions
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37
libc/vfprint.c
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@ -1,22 +1,20 @@
#include <u.h>
#include <libc.h>
#include "fmtdef.h"
/*
* generic routine for flushing a formatting buffer
* to a file descriptor
* The authors of this software are Rob Pike and Ken Thompson.
* Copyright (c) 2002 by Lucent Technologies.
* Permission to use, copy, modify, and distribute this software for any
* purpose without fee is hereby granted, provided that this entire notice
* is included in all copies of any software which is or includes a copy
* or modification of this software and in all copies of the supporting
* documentation for such software.
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE
* ANY REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
* OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
*/
int
_fmtFdFlush(Fmt *f)
{
int n;
n = (char*)f->to - (char*)f->start;
if(n && write((int)f->farg, f->start, n) != n)
return 0;
f->to = f->start;
return 1;
}
#include <stdarg.h>
#include "plan9.h"
#include "fmt.h"
#include "fmtdef.h"
int
vfprint(int fd, char *fmt, va_list args)
@ -26,9 +24,10 @@ vfprint(int fd, char *fmt, va_list args)
int n;
fmtfdinit(&f, fd, buf, sizeof(buf));
f.args = args;
VA_COPY(f.args,args);
n = dofmt(&f, fmt);
if(n > 0 && _fmtFdFlush(&f) == 0)
VA_END(f.args);
if(n > 0 && __fmtFdFlush(&f) == 0)
return -1;
return n;
}