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Diffstat (limited to 'iconvdata/iso-ir-165.h')
-rw-r--r-- | iconvdata/iso-ir-165.h | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/iconvdata/iso-ir-165.h b/iconvdata/iso-ir-165.h deleted file mode 100644 index 7e732a2ea2..0000000000 --- a/iconvdata/iso-ir-165.h +++ /dev/null @@ -1,106 +0,0 @@ -/* Tables for conversion to and from ISO-IR-165. - converting from UCS using gaps. - Copyright (C) 2000-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 2000. - - The GNU C 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 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#ifndef _ISO_IR_165_H -#define _ISO_IR_165_H 1 - -#include <gconv.h> -#include <stdint.h> - -struct gap -{ - uint16_t start; - uint16_t end; - int32_t idx; -}; - -/* Table for ISO-IR-165 (CCITT Chinese) to UCS4 conversion. */ -#define ISOIR165_FROMSIZE 0x2284 -extern const uint16_t __isoir165_to_tab[ISOIR165_FROMSIZE]; - - -/* XXX If we at some point need an offset value to decode the byte - sequences another parameter can be added. */ -static inline uint32_t -__attribute ((always_inline)) -isoir165_to_ucs4 (const unsigned char **s, size_t avail) -{ - unsigned char ch = *(*s); - unsigned char ch2; - uint32_t res; - - if (ch <= 0x20 || ch >= 0x7f) - return __UNKNOWN_10646_CHAR; - - if (avail < 2) - return 0; - - ch2 = (*s)[1]; - if (ch2 <= 0x20 || ch2 >= 0x7f) - return __UNKNOWN_10646_CHAR; - - res = __isoir165_to_tab[(ch - 0x21) * 94 + (ch2 - 0x21)]; - if (res == 0) - return __UNKNOWN_10646_CHAR; - - *s += 2; - return res; -} - - -/* Tables for ISO-IR-165 (CCITT Chinese) from UCS4 conversion. */ -extern const struct gap __isoir165_from_idx[]; -extern const char __isoir165_from_tab[]; - -static inline size_t -__attribute ((always_inline)) -ucs4_to_isoir165 (uint32_t wch, unsigned char *s, size_t avail) -{ - unsigned int ch = (unsigned int) wch; - const char *cp; - const struct gap *rp = __isoir165_from_idx; - - if (ch > 0xffe5) - /* This is an illegal character. */ - return __UNKNOWN_10646_CHAR; - - while (ch > rp->end) - ++rp; - if (ch < rp->start) - /* This is an illegal character. */ - return __UNKNOWN_10646_CHAR; - - /* The two bytes following the index given in this record give the - encoding in ISO-IR-165. Unless the bytes are zero. */ - cp = &__isoir165_from_tab[(ch + rp->idx) * 2]; - if (*cp == '\0') - /* This is an illegal character. */ - return __UNKNOWN_10646_CHAR; - - if (avail < 2) - return 0; - - s[0] = cp[0]; - s[1] = cp[1]; - - return 2; -} - -#endif /* iso-ir-165.h */ |