diff options
Diffstat (limited to 'newlib/libc/iconv/ces/utf-8.c')
-rw-r--r-- | newlib/libc/iconv/ces/utf-8.c | 297 |
1 files changed, 0 insertions, 297 deletions
diff --git a/newlib/libc/iconv/ces/utf-8.c b/newlib/libc/iconv/ces/utf-8.c deleted file mode 100644 index fda1e6e3b..000000000 --- a/newlib/libc/iconv/ces/utf-8.c +++ /dev/null @@ -1,297 +0,0 @@ -/* - * Copyright (c) 2003-2004, Artem B. Bityuckiy - * Copyright (c) 1999,2000, Konstantin Chuguev. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ -#include "cesbi.h" - -#if defined (ICONV_TO_UCS_CES_UTF_8) \ - || defined (ICONV_FROM_UCS_CES_UTF_8) - -#include <_ansi.h> -#include <reent.h> -#include <sys/types.h> -#include "../lib/local.h" -#include "../lib/ucsconv.h" - -#define UTF8_MB_CUR_MAX 6 - -/* - * UTF-8 CES converter doesn't interpret BOM. Reject overlong sequences, - * U'FFFF, U'FFFE codes, UTF-16 surrogate codes and all codes > 0x7FFFFFFF. - */ - -#if defined (ICONV_FROM_UCS_CES_UTF_8) -static size_t -_DEFUN(convert_from_ucs, (data, in, outbuf, outbytesleft), - _VOID_PTR data _AND - register ucs4_t in _AND - unsigned char **outbuf _AND - size_t *outbytesleft) -{ - register unsigned char *cp; - register size_t bytes; - - if ((in >= 0x0000D800 && in <= 0x0000DFFF) - || in > 0x7FFFFFFF || in == 0x0000FFFF || in == 0x0000FFFE) - return (size_t)ICONV_CES_INVALID_CHARACTER; - - if (in < 0x80) - bytes = 1; - else if (in < 0x800) - bytes = 2; - else if (in < 0x10000) - bytes = 3; - else if (in < 0x200000) - bytes = 4; - else if (in < 0x4000000) - bytes = 5; - else - bytes = 6; - - if (*outbytesleft < bytes) - return (size_t)ICONV_CES_NOSPACE; - - cp = *outbuf; - - switch (bytes) - { - case 1: - *cp = (unsigned char)in; - break; - - case 2: - *cp++ = (unsigned char)((in >> 6) | 0x000000C0); - *cp++ = (unsigned char)((in & 0x0000003F) | 0x00000080); - break; - - case 3: - *cp++ = (unsigned char)((in >> 12) | 0x000000E0); - *cp++ = (unsigned char)(((in >> 6) & 0x0000003F) | 0x00000080); - *cp++ = (unsigned char)((in & 0x0000003F) | 0x00000080); - break; - - case 4: - *cp++ = (unsigned char)((in >> 18) | 0x000000F0); - *cp++ = (unsigned char)(((in >> 12) & 0x0000003F) | 0x00000080); - *cp++ = (unsigned char)(((in >> 6) & 0x0000003F) | 0x00000080); - *cp++ = (unsigned char)((in & 0x0000003F) | 0x00000080); - break; - - case 5: - *cp++ = (unsigned char)((in >> 24) | 0x000000F8); - *cp++ = (unsigned char)(((in >> 18) & 0x0000003F) | 0x00000080); - *cp++ = (unsigned char)(((in >> 12) & 0x0000003F) | 0x00000080); - *cp++ = (unsigned char)(((in >> 6) & 0x0000003F) | 0x00000080); - *cp++ = (unsigned char)((in & 0x0000003F) | 0x00000080); - break; - - case 6: - *cp++ = (unsigned char)((in >> 30) | 0x000000FC); - *cp++ = (unsigned char)(((in >> 24) & 0x0000003F) | 0x00000080); - *cp++ = (unsigned char)(((in >> 18) & 0x0000003F) | 0x00000080); - *cp++ = (unsigned char)(((in >> 12) & 0x0000003F) | 0x00000080); - *cp++ = (unsigned char)(((in >> 6) & 0x0000003F) | 0x00000080); - *cp++ = (unsigned char)((in & 0x0000003F) | 0x00000080); - break; - } - - *outbytesleft -= bytes; - *outbuf += bytes; - - return bytes; -} -#endif /* ICONV_FROM_UCS_CES_UTF_8 */ - -#if defined (ICONV_TO_UCS_CES_UTF_8) -static ucs4_t -_DEFUN(convert_to_ucs, (data, inbuf, inbytesleft), - _VOID_PTR data _AND - _CONST unsigned char **inbuf _AND - size_t *inbytesleft) -{ - register _CONST unsigned char *in = *inbuf; - register size_t bytes; - ucs4_t res; - - if (in[0] >= 0xC0) - { - if (in[0] < 0xE0) - { - if (*inbytesleft < (bytes = 2)) - return (ucs4_t)ICONV_CES_BAD_SEQUENCE; - - if ( ((in[0] & ~0x1F) == 0xC0) - && ((in[1] & 0xC0) == 0x80)) - res = ((ucs4_t)(in[0] & 0x1F) << 6) - | ((ucs4_t)(in[1] & 0x3F)); - else - return (ucs4_t)ICONV_CES_INVALID_CHARACTER; - - if (res < 0x00000080) /* Overlong sequence */ - return (ucs4_t)ICONV_CES_INVALID_CHARACTER; - } - - else if (in[0] < 0xF0) - { - if (*inbytesleft < (bytes = 3)) - return (ucs4_t)ICONV_CES_BAD_SEQUENCE; - - if ( ((in[0] & ~0x0F) == 0xE0) - && ((in[1] & 0xC0) == 0x80) - && ((in[2] & 0xC0) == 0x80)) - res = ((ucs4_t)(in[0] & 0x0F) << 12) - | ((ucs4_t)(in[1] & 0x3F) << 6) - | ((ucs4_t)(in[2] & 0x3F)); - else - return (ucs4_t)ICONV_CES_INVALID_CHARACTER; - - if (res < 0x00000800) /* Overlong sequence */ - return (ucs4_t)ICONV_CES_INVALID_CHARACTER; - } - - else if (in[0] < 0xF8) - { - if (*inbytesleft < (bytes = 4)) - return (ucs4_t)ICONV_CES_BAD_SEQUENCE; - - if ( ((in[0] & ~0x07) == 0xF0) - && ((in[1] & 0xC0) == 0x80) - && ((in[2] & 0xC0) == 0x80) - && ((in[3] & 0xC0) == 0x80)) - res = ((ucs4_t)(in[0] & 0x07) << 18) - | ((ucs4_t)(in[1] & 0x3F) << 12) - | ((ucs4_t)(in[2] & 0x3F) << 6) - | ((ucs4_t)(in[3] & 0x3F)); - else - return (ucs4_t)ICONV_CES_INVALID_CHARACTER; - - if (res < 0x00010000) /* Overlong sequence */ - return (ucs4_t)ICONV_CES_INVALID_CHARACTER; - } - - else if (in[0] < 0xFC) - { - if (*inbytesleft < (bytes = 5)) - return (ucs4_t)ICONV_CES_BAD_SEQUENCE; - - if ( ((in[0] & ~0x03) == 0xF8) - && ((in[1] & 0xC0) == 0x80) - && ((in[2] & 0xC0) == 0x80) - && ((in[3] & 0xC0) == 0x80) - && ((in[4] & 0xC0) == 0x80)) - res = ((ucs4_t)(in[0] & 0x03) << 24) - | ((ucs4_t)(in[1] & 0x3F) << 18) - | ((ucs4_t)(in[2] & 0x3F) << 12) - | ((ucs4_t)(in[3] & 0x3F) << 6) - | ((ucs4_t)(in[4] & 0x3F)); - else - return (ucs4_t)ICONV_CES_INVALID_CHARACTER; - - if (res < 0x00200000) /* Overlong sequence */ - return (ucs4_t)ICONV_CES_INVALID_CHARACTER; - } - - else if (in[0] <= 0xFD) - { - if (*inbytesleft < (bytes = 6)) - return (ucs4_t)ICONV_CES_BAD_SEQUENCE; - - if ( ((in[0] & ~0x01) == 0xFC) - && ((in[1] & 0xC0) == 0x80) - && ((in[2] & 0xC0) == 0x80) - && ((in[3] & 0xC0) == 0x80) - && ((in[4] & 0xC0) == 0x80) - && ((in[5] & 0xC0) == 0x80)) - res = ((ucs4_t)(in[0] & 0x1) << 30) - | ((ucs4_t)(in[1] & 0x3F) << 24) - | ((ucs4_t)(in[2] & 0x3F) << 18) - | ((ucs4_t)(in[3] & 0x3F) << 12) - | ((ucs4_t)(in[4] & 0x3F) << 6) - | ((ucs4_t)(in[5] & 0x3F)); - else - return (ucs4_t)ICONV_CES_INVALID_CHARACTER; - - if (res < 0x04000000) /* Overlong sequence */ - return (ucs4_t)ICONV_CES_INVALID_CHARACTER; - } - - else - return (ucs4_t)ICONV_CES_INVALID_CHARACTER; - } - else if (in[0] & 0x80) - return (ucs4_t)ICONV_CES_INVALID_CHARACTER; - else - { - res = (ucs4_t)in[0]; - bytes = 1; - } - - if ( (res >= 0x0000D800 && res <= 0x0000DFFF) - || res > 0x7FFFFFFF || res == 0x0000FFFF || res == 0x0000FFFE) - return (ucs4_t)ICONV_CES_INVALID_CHARACTER; - - *inbytesleft -= bytes; - *inbuf += bytes; - - return res; -} -#endif /* ICONV_TO_UCS_CES_UTF_8 */ - -static int -_DEFUN(get_mb_cur_max, (data), - _VOID_PTR data) -{ - return UTF8_MB_CUR_MAX; -} - -#if defined (ICONV_TO_UCS_CES_UTF_8) -_CONST iconv_to_ucs_ces_handlers_t -_iconv_to_ucs_ces_handlers_utf_8 = -{ - NULL, - NULL, - get_mb_cur_max, - NULL, - NULL, - NULL, - convert_to_ucs -}; -#endif - -#if defined (ICONV_FROM_UCS_CES_UTF_8) -_CONST iconv_from_ucs_ces_handlers_t -_iconv_from_ucs_ces_handlers_utf_8 = -{ - NULL, - NULL, - get_mb_cur_max, - NULL, - NULL, - NULL, - convert_from_ucs -}; -#endif - -#endif /* ICONV_TO_UCS_CES_UTF_8 || ICONV_FROM_UCS_CES_UTF_8 */ - |