1 /* Generic conversion to and from 8bit charsets.
2 Copyright (C) 1997-1999, 2000-2002 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
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 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
22 #define FROM_LOOP from_generic
23 #define TO_LOOP to_generic
26 #define MIN_NEEDED_FROM 1
27 #define MIN_NEEDED_TO 4
30 /* First define the conversion function from the 8bit charset to UCS4. */
31 #define MIN_NEEDED_INPUT MIN_NEEDED_FROM
32 #define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
33 #define LOOPFCT FROM_LOOP
36 uint32_t ch = to_ucs4[*inptr]; \
38 if (HAS_HOLES && __builtin_expect (ch == L'\0', 0) && *inptr != '\0') \
40 /* This is an illegal character. */ \
41 STANDARD_FROM_LOOP_ERR_HANDLER (1); \
48 #define LOOP_NEED_FLAGS
49 #define ONEBYTE_BODY \
51 uint32_t ch = to_ucs4[c]; \
53 if (HAS_HOLES && __builtin_expect (ch == L'\0', 0) && c != '\0') \
58 #include <iconv/loop.c>
61 /* Next, define the other direction. */
62 #define MIN_NEEDED_INPUT MIN_NEEDED_TO
63 #define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM
64 #define LOOPFCT TO_LOOP
67 uint32_t ch = get32 (inptr); \
69 if (__builtin_expect (ch >= sizeof (from_ucs4) / sizeof (from_ucs4[0]), 0)\
70 || (__builtin_expect (from_ucs4[ch], '\1') == '\0' && ch != 0)) \
72 UNICODE_TAG_HANDLER (ch, 4); \
74 /* This is an illegal character. */ \
75 STANDARD_TO_LOOP_ERR_HANDLER (4); \
78 *outptr++ = from_ucs4[ch]; \
81 #define LOOP_NEED_FLAGS
82 #include <iconv/loop.c>
85 /* Now define the toplevel functions. */
86 #include <iconv/skeleton.c>