glibc/wcsmbs/mbsrtowcs.c

58 lines
1.6 KiB
C

/* Copyright (C) 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <wchar.h>
size_t
mbsrtowcs (dst, src, len, ps)
wchar_t *dst;
const char **src;
size_t len;
mbstate_t *ps;
{
size_t result = 0;
/*************************************************************\
|* This is no complete implementation. While the multi-byte *|
|* character handling is not finished this will do. *|
\*************************************************************/
while (len > 0 && **src != '\0')
{
/* For now there is no possibly illegal MB char sequence. */
if (dst != NULL)
dst[result] = (wchar_t) **src;
++result;
++(*src);
--len;
}
if (len > 0)
{
if (dst != NULL)
{
dst[result] = L'\0';
*ps = 0;
}
*src = NULL;
}
return result;
}