Subversion Repositories openrisc_me

#include <reent.h>

#include <newlib.h>

#include <wchar.h>

#include <stdlib.h>

#include <stdio.h>

#include <errno.h>

size_t

_DEFUN (_mbsrtowcs_r, (r, dst, src, n, ps),

        struct _reent *r _AND

        wchar_t *dst _AND

        const char **src _AND

        size_t n _AND

        mbstate_t *ps)

{

  wchar_t *ptr = dst;

  const char *tmp_src;

  size_t max;

  size_t count = 0;

  int bytes;

#ifdef _MB_CAPABLE

  if (ps == NULL)

    {

      _REENT_CHECK_MISC(r);

      ps = &(_REENT_MBSRTOWCS_STATE(r));

    }

#endif

  if (dst == NULL)

    {

      /* Ignore original n value and do not alter src pointer if the

         dst pointer is NULL.  */

      n = (size_t)-1;

      tmp_src = *src;

      src = &tmp_src;

    }

  max = n;

  while (n > 0)

    {

      bytes = _mbrtowc_r (r, ptr, *src, MB_CUR_MAX, ps);

      if (bytes > 0)

        {

          *src += bytes;

          ++count;

          ptr = (dst == NULL) ? NULL : ptr + 1;

          --n;

        }

      else if (bytes == -2)

        {

          *src += MB_CUR_MAX;

        }

      else if (bytes == 0)

        {

          *src = NULL;

          return count;

        }

      else

        {

          ps->__count = 0;

          r->_errno = EILSEQ;

          return (size_t)-1;

        }

    }

  return (size_t)max;

}

#ifndef _REENT_ONLY

size_t

_DEFUN (mbsrtowcs, (dst, src, len, ps),

        wchar_t *dst _AND

        const char **src _AND

        size_t len _AND

        mbstate_t *ps)

{

  return _mbsrtowcs_r (_REENT, dst, src, len, ps);

}

#endif /* !_REENT_ONLY */