f40da077bbe0fc1f472098f827019e4e875a459e
[kopensolaris-gnu/glibc.git] / iconvdata / iso8859-1.c
1 /* Conversion to and from ISO 8859-1.
2    Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
3    This file is part of the GNU C Library.
4    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
5
6    The GNU C Library is free software; you can redistribute it and/or
7    modify it under the terms of the GNU Library General Public License as
8    published by the Free Software Foundation; either version 2 of the
9    License, or (at your option) any later version.
10
11    The GNU C Library is distributed in the hope that it will be useful,
12    but WITHOUT ANY WARRANTY; without even the implied warranty of
13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14    Library General Public License for more details.
15
16    You should have received a copy of the GNU Library General Public
17    License along with the GNU C Library; see the file COPYING.LIB.  If not,
18    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19    Boston, MA 02111-1307, USA.  */
20
21 #include <stdint.h>
22
23 /* Definitions used in the body of the `gconv' function.  */
24 #define CHARSET_NAME            "ISO-8859-1//"
25 #define FROM_LOOP               from_iso8859_1
26 #define TO_LOOP                 to_iso8859_1
27 #define DEFINE_INIT             1
28 #define DEFINE_FINI             1
29 #define MIN_NEEDED_FROM         1
30 #define MIN_NEEDED_TO           4
31
32 /* First define the conversion function from ISO 8859-1 to UCS4.  */
33 #define MIN_NEEDED_INPUT        MIN_NEEDED_FROM
34 #define MIN_NEEDED_OUTPUT       MIN_NEEDED_TO
35 #define LOOPFCT                 FROM_LOOP
36 #define BODY \
37   *((uint32_t *) outptr)++ = *inptr++;
38 #include <iconv/loop.c>
39
40
41 /* Next, define the other direction.  */
42 #define MIN_NEEDED_INPUT        MIN_NEEDED_TO
43 #define MIN_NEEDED_OUTPUT       MIN_NEEDED_FROM
44 #define LOOPFCT                 TO_LOOP
45 #define BODY \
46   {                                                                           \
47     uint32_t ch = *((uint32_t *) inptr);                                      \
48     if (__builtin_expect (ch, 0) > 0xff)                                      \
49       {                                                                       \
50         /* We have an illegal character.  */                                  \
51         if (! ignore_errors_p ())                                             \
52           {                                                                   \
53             result = __GCONV_ILLEGAL_INPUT;                                   \
54             break;                                                            \
55           }                                                                   \
56                                                                               \
57         ++*converted;                                                         \
58       }                                                                       \
59     else                                                                      \
60       *outptr++ = (unsigned char) ch;                                         \
61     inptr += 4;                                                               \
62   }
63 #include <iconv/loop.c>
64
65
66 /* Now define the toplevel functions.  */
67 #include <iconv/skeleton.c>