Subversion Repositories openrisc

#include <stdlib.h>

#include <wchar.h>

#include "local.h"

size_t

_DEFUN (_mbstowcs_r, (reent, pwcs, s, n, state),

        struct _reent *r    _AND

        wchar_t       *pwcs _AND

        const char    *s    _AND

        size_t         n    _AND

        mbstate_t     *state)

{

  size_t ret = 0;

  char *t = (char *)s;

  int bytes;

  if (!pwcs)

    n = (size_t) 1; /* Value doesn't matter as long as it's not 0. */

  while (n > 0)

    {

      bytes = __mbtowc (r, pwcs, t, MB_CUR_MAX, __locale_charset (), state);

      if (bytes < 0)

        {

          state->__count = 0;

          return -1;

        }

      else if (bytes == 0)

        break;

      t += bytes;

      ++ret;

      if (pwcs)

        {

          ++pwcs;

          --n;

        }

    }

  return ret;

}