/* Generic conversion to and from 8bit charsets, converting from UCS using gaps. Copyright (C) 1997, 1998 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include <stdint.h> struct gap { uint16_t start; uint16_t end; int32_t idx; }; /* Now we can include the tables. */ #include TABLES #define FROM_LOOP from_gap #define TO_LOOP to_gap #define DEFINE_INIT 1 #define DEFINE_FINI 1 #define MIN_NEEDED_FROM 1 #define MIN_NEEDED_TO 4 /* First define the conversion function from the 8bit charset to UCS4. */ #define MIN_NEEDED_INPUT MIN_NEEDED_FROM #define MIN_NEEDED_OUTPUT MIN_NEEDED_TO #define LOOPFCT FROM_LOOP #define BODY \ { \ uint32_t ch = to_ucs4[*inptr]; \ \ if (HAS_HOLES && ch == L'\0' && *inptr != '\0') \ { \ /* This is an illegal character. */ \ result = GCONV_ILLEGAL_INPUT; \ break; \ } \ \ *((uint32_t *) outptr)++ = ch; \ ++inptr; \ } #include <iconv/loop.c> /* Next, define the other direction. */ #define MIN_NEEDED_INPUT MIN_NEEDED_TO #define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM #define LOOPFCT TO_LOOP #define BODY \ { \ const struct gap *rp = from_idx; \ uint32_t ch = *((uint32_t *) inptr); \ unsigned char res; \ \ if (ch >= 0xffff) \ { \ /* This is an illegal character. */ \ result = GCONV_ILLEGAL_INPUT; \ break; \ } \ while (ch > rp->end) \ ++rp; \ if (ch < rp->start) \ { \ /* This is an illegal character. */ \ result = GCONV_ILLEGAL_INPUT; \ break; \ } \ \ res = from_ucs4[ch + rp->idx]; \ if (ch != 0 && res == '\0') \ { \ /* This is an illegal character. */ \ result = GCONV_ILLEGAL_INPUT; \ break; \ } \ \ *outptr++ = res; \ inptr += 4; \ } #include <iconv/loop.c> /* Now define the toplevel functions. */ #include <iconv/skeleton.c>