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/*-
* Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * Chris Torek. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)snprintf.c 5.1 (Berkeley) 1/20/91";#endif /* LIBC_SCCS and not lint */
#include <stdio.h>
#ifdef __STDC__
#include <stdarg.h>
#else
#include <varargs.h>
#endif
int#ifdef __STDC__
snprintf(char *str, size_t n, const char *fmt, ...)#else
snprintf(str, n, fmt, va_alist) char *str; size_t n; char *fmt; va_dcl#endif
{ int ret; va_list ap; FILE f;
if ((int)n < 1) return (EOF);#ifdef __STDC__
va_start(ap, fmt);#else
va_start(ap);#endif
#ifndef _POSIX_SOURCE
f._flags = __SWR | __SSTR; f._bf._base = f._p = (unsigned char *)str; f._bf._size = f._w = n - 1;#endif
ret = vfprintf(&f, fmt, ap);#ifndef _POSIX_SOURCE
*f._p = 0;#endif
va_end(ap); return (ret);}
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