| /* |
| * Copyright (C) 1999-2009, 2023 Free Software Foundation, Inc. |
| * This file is part of the GNU LIBICONV Library. |
| * |
| * The GNU LIBICONV Library is free software; you can redistribute it |
| * and/or modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either version 2.1 |
| * of the License, or (at your option) any later version. |
| * |
| * The GNU LIBICONV 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 |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with the GNU LIBICONV Library; see the file COPYING.LIB. |
| * If not, see <https://www.gnu.org/licenses/>. |
| */ |
| |
| /* Part 2 of iconv_open. |
| Input: |
| struct conv_struct * cd; |
| unsigned int from_index; |
| int from_wchar; |
| unsigned int from_surface; |
| unsigned int to_index; |
| int to_wchar; |
| unsigned int to_surface; |
| int transliterate; |
| int discard_ilseq; |
| Output: none. |
| Side effects: Fills cd. |
| */ |
| |
| cd->iindex = from_index; |
| cd->ifuncs = all_encodings[from_index].ifuncs; |
| cd->oindex = to_index; |
| cd->ofuncs = all_encodings[to_index].ofuncs; |
| cd->oflags = all_encodings[to_index].oflags; |
| /* Initialize the loop functions. */ |
| #if HAVE_MBRTOWC |
| if (to_wchar) { |
| #if HAVE_WCRTOMB |
| if (from_wchar) { |
| cd->lfuncs.loop_convert = wchar_id_loop_convert; |
| cd->lfuncs.loop_reset = wchar_id_loop_reset; |
| } else |
| #endif |
| { |
| cd->lfuncs.loop_convert = wchar_to_loop_convert; |
| cd->lfuncs.loop_reset = wchar_to_loop_reset; |
| } |
| } else |
| #endif |
| { |
| #if HAVE_WCRTOMB |
| if (from_wchar) { |
| cd->lfuncs.loop_convert = wchar_from_loop_convert; |
| cd->lfuncs.loop_reset = wchar_from_loop_reset; |
| } else |
| #endif |
| { |
| cd->lfuncs.loop_convert = unicode_loop_convert; |
| cd->lfuncs.loop_reset = unicode_loop_reset; |
| } |
| } |
| /* Initialize the surfaces. */ |
| cd->isurface = from_surface; |
| cd->osurface = to_surface; |
| /* Initialize the states. */ |
| memset(&cd->istate,'\0',sizeof(state_t)); |
| memset(&cd->ostate,'\0',sizeof(state_t)); |
| /* Initialize the operation flags. */ |
| cd->transliterate = transliterate; |
| cd->discard_ilseq = discard_ilseq; |
| #ifndef LIBICONV_PLUG |
| cd->fallbacks.mb_to_uc_fallback = NULL; |
| cd->fallbacks.uc_to_mb_fallback = NULL; |
| cd->fallbacks.mb_to_wc_fallback = NULL; |
| cd->fallbacks.wc_to_mb_fallback = NULL; |
| cd->fallbacks.data = NULL; |
| cd->hooks.uc_hook = NULL; |
| cd->hooks.wc_hook = NULL; |
| cd->hooks.data = NULL; |
| #endif |
| /* Initialize additional fields. */ |
| if (from_wchar != to_wchar) { |
| struct wchar_conv_struct * wcd = (struct wchar_conv_struct *) cd; |
| #if HAVE_WCRTOMB || HAVE_MBRTOWC |
| memset(&wcd->state,'\0',sizeof(mbstate_t)); |
| #endif |
| } |
| /* Done. */ |