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/* doc in vfprintf.c */

/* This code created by modifying vsprintf.c so copyright inherited. */

/*

 * Copyright (c) 1990 The Regents of the University of California.

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms are permitted

 * provided that the above copyright notice and this paragraph are

 * duplicated in all such forms and that any documentation,

 * advertising materials, and other materials related to such

 * distribution and use acknowledge that the software was developed

 * by the University of California, Berkeley.  The name of the

 * University may not be used to endorse or promote products derived

 * from this software without specific prior written permission.

 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR

 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

 */

#if defined(LIBC_SCCS) && !defined(lint)

static char sccsid[] = "%W% (Berkeley) %G%";

#endif /* LIBC_SCCS and not lint */

#include <_ansi.h>

#include <reent.h>

#include <stdio.h>

#include <limits.h>

#ifdef _HAVE_STDC

#include <stdarg.h>

#else

#include <varargs.h>

#endif

int

_DEFUN (vsnprintf, (str, size, fmt, ap),

     char *str _AND

     size_t size _AND

     _CONST char *fmt _AND

     va_list ap)

{

  int ret;

  FILE f;

  f._flags = __SWR | __SSTR;

  f._bf._base = f._p = (unsigned char *) str;

  f._bf._size = f._w = (size > 0 ? size - 1 : 0);

  f._data = _REENT;

  ret = vfprintf (&f, fmt, ap);

  if (size > 0)

    *f._p = 0;

  return ret;

}

int

_DEFUN (_vsnprintf_r, (ptr, str, size, fmt, ap),

     struct _reent *ptr _AND

     char *str _AND

     size_t size _AND

     _CONST char *fmt _AND

     va_list ap)

{

  int ret;

  FILE f;

  f._flags = __SWR | __SSTR;

  f._bf._base = f._p = (unsigned char *) str;

  f._bf._size = f._w = (size > 0 ? size - 1 : 0);

  f._data = ptr;

  ret = _vfprintf_r (ptr, &f, fmt, ap);

  if (size > 0)

    *f._p = 0;

  return ret;

}