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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.17.0/] [newlib/] [libc/] [stdio/] [setlinebuf.c] - Blame information for rev 387

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1 148 jeremybenn
/*
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 * Copyright (c) 1990 The Regents of the University of California.
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms are permitted
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 * provided that the above copyright notice and this paragraph are
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 * duplicated in all such forms and that any documentation,
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 * advertising materials, and other materials related to such
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 * distribution and use acknowledge that the software was developed
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 * by the University of California, Berkeley.  The name of the
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 * University may not be used to endorse or promote products derived
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 * from this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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 */
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/*
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Modified copy of setbuf.c to support setlinebuf function
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defined as part of BSD.
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Modifications by Gareth Pearce, 2001.
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*/
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/*
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FUNCTION
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<<setlinebuf>>---specify line buffering for a file or stream
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INDEX
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        setlinebuf
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ANSI_SYNOPSIS
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        #include <stdio.h>
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        void setlinebuf(FILE *<[fp]>);
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TRAD_SYNOPSIS
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        #include <stdio.h>
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        void setlinebuf(<[fp]>)
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        FILE *<[fp]>;
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DESCRIPTION
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<<setlinebuf>> specifies that output to the file or stream identified by
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<[fp]> should be line buffered.  This causes the file or stream to pass
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on output to the host system at every newline, as well as when the
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buffer is full, or when an input operation intervenes.
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WARNINGS
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You may only use <<setlinebuf>> before performing any file operation
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other than opening the file.
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RETURNS
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<<setlinebuf>> returns as per setvbuf.
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PORTABILITY
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This function comes from BSD not ANSI or POSIX.
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Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>,
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<<lseek>>, <<read>>, <<sbrk>>, <<write>>.
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*/
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#include <_ansi.h>
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#include <stdio.h>
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#include "local.h"
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int
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_DEFUN(setlinebuf, (fp),
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       FILE * fp)
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{
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  return (setvbuf (fp, (char *) NULL, _IOLBF, (size_t) 0));
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}

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