-/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
+ Contributed by Ulrich Drepper <drepper@gnu.org>, 1996.
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.
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 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.
+ Lesser 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. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+#include <dlfcn.h>
#include <errno.h>
#include <gconv.h>
#include <string.h>
size_t len;
mbstate_t *ps;
{
- size_t inbytes_in;
- struct gconv_step_data data;
- size_t result = 0;
+ const unsigned char *srcend;
+ struct __gconv_step_data data;
+ size_t result;
int status;
+ struct __gconv_step *towc;
+ size_t dummy;
/* Tell where we want the result. */
- data.is_last = 1;
- data.statep = ps ?: &state;
+ data.__invocation_counter = 0;
+ data.__internal_use = 1;
+ data.__flags = __GCONV_IS_LAST;
+ data.__statep = ps ?: &state;
+ data.__trans = NULL;
if (nmc == 0)
return 0;
- inbytes_in = __strnlen (*src, nmc - 1) + 1;
+ srcend = *src + __strnlen (*src, nmc - 1) + 1;
/* Make sure we use the correct function. */
update_conversion_ptrs ();
+ /* Get the structure with the function pointers. */
+ towc = __wcsmbs_gconv_fcts.towc;
+
/* We have to handle DST == NULL special. */
if (dst == NULL)
{
wchar_t buf[64]; /* Just an arbitrary size. */
- size_t inbytes = inbytes_in;
- const char *inbuf = *src;
- size_t written;
+ const unsigned char *inbuf = *src;
- data.outbuf = (char *) buf;
- data.outbufsize = sizeof (buf);
+ result = 0;
+ data.__outbufend = (unsigned char *) buf + sizeof (buf);
do
{
- inbuf += inbytes_in - inbytes;
- inbytes_in = inbytes;
- data.outbufavail = 0;
- written = 0;
-
- status = (*__wcsmbs_gconv_fcts.towc->fct) (__wcsmbs_gconv_fcts.towc,
- &data, inbuf, &inbytes,
- &written, 0);
- result += written;
+ data.__outbuf = (unsigned char *) buf;
+
+ status = DL_CALL_FCT (towc->__fct,
+ (towc, &data, &inbuf, srcend, NULL,
+ &dummy, 0, 1));
+
+ result += (wchar_t *) data.__outbuf - buf;
}
- while (status == GCONV_FULL_OUTPUT);
+ while (status == __GCONV_FULL_OUTPUT);
- if ((status == GCONV_OK || status == GCONV_EMPTY_INPUT)
- && buf[written - 1] == L'\0')
+ if ((status == __GCONV_OK || status == __GCONV_EMPTY_INPUT)
+ && ((wchar_t *) data.__outbuf)[-1] == L'\0')
/* Don't count the NUL character in. */
--result;
}
/* This code is based on the safe assumption that all internal
multi-byte encodings use the NUL byte only to mark the end
of the string. */
- size_t inbytes = inbytes_in;
+ data.__outbuf = (unsigned char *) dst;
+ data.__outbufend = data.__outbuf + len * sizeof (wchar_t);
- data.outbuf = (char *) dst;
- data.outbufsize = len * sizeof (wchar_t);
- data.outbufavail = 0;
+ status = DL_CALL_FCT (towc->__fct,
+ (towc, &data, (const unsigned char **) src, srcend,
+ NULL, &dummy, 0, 1));
- status = (*__wcsmbs_gconv_fcts.towc->fct) (__wcsmbs_gconv_fcts.towc,
- &data, *src, &inbytes,
- &result, 0);
+ result = (wchar_t *) data.__outbuf - dst;
/* We have to determine whether the last character converted
is the NUL character. */
- if ((status == GCONV_OK || status == GCONV_EMPTY_INPUT)
- && ((wchar_t *) dst)[result - 1] == L'\0')
+ if ((status == __GCONV_OK || status == __GCONV_EMPTY_INPUT)
+ && (assert (result > 0),
+ ((wchar_t *) dst)[result - 1] == L'\0'))
{
- assert (result > 0);
- assert (__mbsinit (data.statep));
+ assert (__mbsinit (data.__statep));
*src = NULL;
--result;
}
- else
- *src += inbytes_in - inbytes;
}
/* There must not be any problems with the conversion but illegal input
characters. */
- assert (status == GCONV_OK || status != GCONV_EMPTY_INPUT
- || status == GCONV_ILLEGAL_INPUT
- || status == GCONV_INCOMPLETE_INPUT || status == GCONV_FULL_OUTPUT);
+ assert (status == __GCONV_OK || status == __GCONV_EMPTY_INPUT
+ || status == __GCONV_ILLEGAL_INPUT
+ || status == __GCONV_INCOMPLETE_INPUT
+ || status == __GCONV_FULL_OUTPUT);
- if (status != GCONV_OK && status != GCONV_FULL_OUTPUT
- && status != GCONV_EMPTY_INPUT)
+ if (status != __GCONV_OK && status != __GCONV_FULL_OUTPUT
+ && status != __GCONV_EMPTY_INPUT && status != __GCONV_INCOMPLETE_INPUT)
{
result = (size_t) -1;
__set_errno (EILSEQ);