| /* Conversion to and from ISO 8859-1. |
| Copyright (C) 1997-1999, 2000-2004 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 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 |
| Lesser General Public License for more details. |
| |
| 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 <stdint.h> |
| |
| /* Definitions used in the body of the `gconv' function. */ |
| #define CHARSET_NAME "ISO-8859-1//" |
| #define FROM_LOOP from_iso8859_1 |
| #define TO_LOOP to_iso8859_1 |
| #define DEFINE_INIT 1 |
| #define DEFINE_FINI 1 |
| #define MIN_NEEDED_FROM 1 |
| #define MIN_NEEDED_TO 4 |
| |
| /* First define the conversion function from ISO 8859-1 to UCS4. */ |
| #define MIN_NEEDED_INPUT MIN_NEEDED_FROM |
| #define MIN_NEEDED_OUTPUT MIN_NEEDED_TO |
| #define LOOPFCT FROM_LOOP |
| #define BODY \ |
| *((uint32_t *) outptr) = *inptr++; \ |
| outptr += sizeof (uint32_t); |
| #define ONEBYTE_BODY \ |
| { \ |
| return c; \ |
| } |
| #include <iconv/loop.c> |
| |
| |
| /* Next, define the other direction. */ |
| #define MIN_NEEDED_INPUT MIN_NEEDED_TO |
| #define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM |
| #define LOOPFCT TO_LOOP |
| #define BODY \ |
| { \ |
| uint32_t ch = *((const uint32_t *) inptr); \ |
| if (__builtin_expect (ch > 0xff, 0)) \ |
| { \ |
| UNICODE_TAG_HANDLER (ch, 4); \ |
| \ |
| /* We have an illegal character. */ \ |
| STANDARD_TO_LOOP_ERR_HANDLER (4); \ |
| } \ |
| else \ |
| *outptr++ = (unsigned char) ch; \ |
| inptr += 4; \ |
| } |
| #define LOOP_NEED_FLAGS |
| #include <iconv/loop.c> |
| |
| |
| /* Now define the toplevel functions. */ |
| #include <iconv/skeleton.c> |
