mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-01 17:30:07 +00:00
38677aced0
* iconv/skeleton.c: Rename converted written to correcter name irreversible. * iconv/gconv.c: Rename converted variable to correcter name irreversible. * iconv/gconv_int.h: Likewise. * iconv/gconv_simple.c: Likewise. * iconv/iconv.c: Likewise. * iconv/loop.c: Likewise. * iconvdata/8bit-gap.c: Likewise. * iconvdata/8bit-generic.c: Likewise. * iconvdata/ansi_x3.110.c: Likewise. * iconvdata/big5.c: Likewise. * iconvdata/big5hkscs.c: Likewise. * iconvdata/euc-cn.c: Likewise. * iconvdata/euc-jp.c: Likewise. * iconvdata/euc-kr.c: Likewise. * iconvdata/gbgbk.c: Likewise. * iconvdata/gbk.c: Likewise. * iconvdata/iso-2022-cn.c: Likewise. * iconvdata/iso-2022-jp.c: Likewise. * iconvdata/iso-2022-kr.c: Likewise. * iconvdata/iso646.c: Likewise. * iconvdata/iso8859-1.c: Likewise. * iconvdata/iso_6937-2.c: Likewise. * iconvdata/iso_6937.c: Likewise. * iconvdata/johab.c: Likewise. * iconvdata/sjis.c: Likewise. * iconvdata/t.61.c: Likewise. * iconvdata/uhc.c: Likewise. * iconvdata/unicode.c: Likewise. * iconvdata/utf-16.c: Likewise.
97 lines
2.7 KiB
C
97 lines
2.7 KiB
C
/* Convert characters in input buffer using conversion descriptor to
|
|
output buffer.
|
|
Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
|
|
|
|
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 <stddef.h> /* for NULL */
|
|
#include <errno.h>
|
|
#include <iconv.h>
|
|
|
|
#include <gconv_int.h>
|
|
|
|
#include <assert.h>
|
|
|
|
|
|
size_t
|
|
iconv (iconv_t cd, char **inbuf, size_t *inbytesleft, char **outbuf,
|
|
size_t *outbytesleft)
|
|
{
|
|
__gconv_t gcd = (__gconv_t) cd;
|
|
char *outstart = outbuf ? *outbuf : NULL;
|
|
size_t irreversible;
|
|
int result;
|
|
|
|
if (__builtin_expect (inbuf == NULL || *inbuf == NULL, 0))
|
|
{
|
|
if (outbuf == NULL || *outbuf == NULL)
|
|
result = __gconv (gcd, NULL, NULL, NULL, NULL, &irreversible);
|
|
else
|
|
result = __gconv (gcd, NULL, NULL, (unsigned char **) outbuf,
|
|
(unsigned char *) (outstart + *outbytesleft),
|
|
&irreversible);
|
|
}
|
|
else
|
|
{
|
|
const char *instart = *inbuf;
|
|
|
|
result = __gconv (gcd, (const unsigned char **) inbuf,
|
|
(const unsigned char *) (*inbuf + *inbytesleft),
|
|
(unsigned char **) outbuf,
|
|
(unsigned char *) (*outbuf + *outbytesleft),
|
|
&irreversible);
|
|
|
|
*inbytesleft -= *inbuf - instart;
|
|
}
|
|
if (outstart != NULL)
|
|
*outbytesleft -= *outbuf - outstart;
|
|
|
|
switch (__builtin_expect (result, __GCONV_OK))
|
|
{
|
|
case __GCONV_ILLEGAL_DESCRIPTOR:
|
|
__set_errno (EBADF);
|
|
irreversible = (size_t) -1L;
|
|
break;
|
|
|
|
case __GCONV_ILLEGAL_INPUT:
|
|
__set_errno (EILSEQ);
|
|
irreversible = (size_t) -1L;
|
|
break;
|
|
|
|
case __GCONV_FULL_OUTPUT:
|
|
__set_errno (E2BIG);
|
|
irreversible = (size_t) -1L;
|
|
break;
|
|
|
|
case __GCONV_INCOMPLETE_INPUT:
|
|
__set_errno (EINVAL);
|
|
irreversible = (size_t) -1L;
|
|
break;
|
|
|
|
case __GCONV_EMPTY_INPUT:
|
|
case __GCONV_OK:
|
|
/* Nothing. */
|
|
break;
|
|
|
|
default:
|
|
assert (!"Nothing like this should happen");
|
|
}
|
|
|
|
return irreversible;
|
|
}
|