Subversion Repositories openrisc_2011-10-31

/*

 * Copyright (c) 1990, 2007 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.

 */

/* This code was copied from sprintf.c */

/* doc in sprintf.c */

#include <_ansi.h>

#include <reent.h>

#include <stdio.h>

#include <stdarg.h>

#include <limits.h>

#include "local.h"

int

_DEFUN(_asprintf_r, (ptr, strp, fmt),

       struct _reent *ptr _AND

       char **strp        _AND

       const char *fmt _DOTS)

{

  int ret;

  va_list ap;

  FILE f;

  /* mark a zero-length reallocatable buffer */

  f._flags = __SWR | __SSTR | __SMBF;

  f._bf._base = f._p = NULL;

  f._bf._size = f._w = 0;

  f._file = -1;  /* No file. */

  va_start (ap, fmt);

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

  va_end (ap);

  if (ret >= 0)

    {

      *f._p = 0;

      *strp = f._bf._base;

    }

  return (ret);

}

#ifndef _REENT_ONLY

int

_DEFUN(asprintf, (strp, fmt),

       char **strp _AND

       const char *fmt _DOTS)

{

  int ret;

  va_list ap;

  FILE f;

  /* mark a zero-length reallocatable buffer */

  f._flags = __SWR | __SSTR | __SMBF;

  f._bf._base = f._p = NULL;

  f._bf._size = f._w = 0;

  f._file = -1;  /* No file. */

  va_start (ap, fmt);

  ret = _svfprintf_r (_REENT, &f, fmt, ap);

  va_end (ap);

  if (ret >= 0)

    {

      *f._p = 0;

      *strp = f._bf._base;

    }

  return (ret);

}

#endif /* ! _REENT_ONLY */