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[/] [openrisc/] [trunk/] [gnu-stable/] [newlib-1.18.0/] [newlib/] [libc/] [iconv/] [ces/] [us-ascii.c] - Rev 816
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/* * Copyright (c) 2003-2004, Artem B. Bityuckiy * * 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_US_ASCII) \ || defined (ICONV_FROM_UCS_CES_US_ASCII) #include <_ansi.h> #include <reent.h> #include <sys/types.h> #include "../lib/local.h" #include "../lib/ucsconv.h" /* * For optimization purposes us_ascii is implemented as separate CES converter. * Another possible way is to add us_ascii CCS and use table-based CES converter. */ #if defined (ICONV_FROM_UCS_CES_US_ASCII) static size_t _DEFUN(us_ascii_convert_from_ucs, (data, in, outbuf, outbytesleft), _VOID_PTR data _AND ucs4_t in _AND unsigned char **outbuf _AND size_t *outbytesleft) { if (in > 0x7F) return (size_t)ICONV_CES_INVALID_CHARACTER; *((char *)(*outbuf)) = (char)in; *outbuf += 1; *outbytesleft -= 1; return 1; } #endif /* ICONV_FROM_UCS_CES_US_ASCII */ #if defined (ICONV_TO_UCS_CES_US_ASCII) static ucs4_t _DEFUN(us_ascii_convert_to_ucs, (data, inbuf, inbytesleft), _VOID_PTR data _AND _CONST unsigned char **inbuf _AND size_t *inbytesleft) { ucs4_t res; if (*inbytesleft < 1) return (ucs4_t)ICONV_CES_BAD_SEQUENCE; res = (ucs4_t)**inbuf; if (res > 0x7F) return (ucs4_t)ICONV_CES_INVALID_CHARACTER; *inbytesleft -= 1; *inbuf += 1; return res; } #endif /* ICONV_TO_UCS_CES_US_ASCII */ static int _DEFUN(us_ascii_get_mb_cur_max, (data), _VOID_PTR data) { return 2; } #if defined (ICONV_TO_UCS_CES_US_ASCII) _CONST iconv_to_ucs_ces_handlers_t _iconv_to_ucs_ces_handlers_us_ascii = { NULL, NULL, us_ascii_get_mb_cur_max, NULL, NULL, NULL, us_ascii_convert_to_ucs }; #endif #if defined (ICONV_FROM_UCS_CES_US_ASCII) _CONST iconv_from_ucs_ces_handlers_t _iconv_from_ucs_ces_handlers_us_ascii = { NULL, NULL, us_ascii_get_mb_cur_max, NULL, NULL, NULL, us_ascii_convert_from_ucs }; #endif #endif /* ICONV_TO_UCS_CES_US_ASCII || ICONV_FROM_UCS_CES_US_ASCII */
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