1 /* Conversion from UTF-8 to legacy encodings.
2 Copyright (C) 2002, 2006-2007, 2009-2010 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify it
5 under the terms of the GNU Lesser General Public License as published
6 by the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>. */
28 #include "c-strcaseeq.h"
29 #include "striconveha.h"
33 u8_conv_to_encoding (const char *tocode,
34 enum iconv_ilseq_handler handler,
35 const uint8_t *src, size_t srclen,
37 char *resultbuf, size_t *lengthp)
39 if (STRCASEEQ (tocode, "UTF-8", 'U','T','F','-','8',0,0,0,0))
43 /* Conversion from UTF-8 to UTF-8. No need to go through iconv(). */
44 #if CONFIG_UNICODE_SAFETY
45 if (u8_check (src, srclen))
52 /* Memory allocation. */
53 if (resultbuf != NULL && *lengthp >= srclen)
57 result = (char *) malloc (srclen > 0 ? srclen : 1);
65 memcpy (result, (const char *) src, srclen);
71 char *result = resultbuf;
72 size_t length = *lengthp;
74 if (mem_iconveha ((const char *) src, srclen,
76 handler == iconveh_question_mark, handler,
77 offsets, &result, &length) < 0)
80 if (result == NULL) /* when (resultbuf == NULL && length == 0) */
82 result = (char *) malloc (1);