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49 lines
1.6 KiB
49 lines
1.6 KiB
/* This is file VSPRINTF.C */
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/* This file may have been modified by DJ Delorie (Jan 1991). If so,
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** these modifications are Coyright (C) 1991 DJ Delorie, 24 Kirsten Ave,
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** Rochester NH, 03867-2954, USA.
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*/
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/*
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* Copyright (c) 1988 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: (1) source distributions retain this entire copyright
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* notice and comment, and (2) distributions including binaries display
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* the following acknowledgement: ``This product includes software
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* developed by the University of California, Berkeley and its contributors''
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* in the documentation or other materials provided with the distribution
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* and in all advertising materials mentioning features or use of this
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* software. Neither the name of the University nor the names of its
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* contributors may 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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#if defined(LIBC_SCCS) && !defined(lint)
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static char sccsid[] = "@(#)vsprintf.c 5.3 (Berkeley) 6/1/90";
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#endif /* LIBC_SCCS and not lint */
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#include <stdio.h>
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#include <stdarg.h>
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int
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vsprintf(char *str, const char *fmt, ...)
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{
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va_list ap;
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FILE f;
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int len;
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va_start (ap, fmt);
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f._flag = _IOWRT+_IOSTRG;
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f._ptr = str;
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f._cnt = 32767;
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len = _doprnt(fmt, ap, &f);
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*f._ptr = 0;
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va_end (ap);
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return (len);
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}
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