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author | sereglond <sereglond@yandex-team.ru> | 2022-02-10 16:47:47 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:47:47 +0300 |
commit | 73bb02f2495181e0719a800f979df508924f4b71 (patch) | |
tree | c0748b5dcbade83af788c0abfa89c0383d6b779c /contrib/libs/libiconv/utf16le.h | |
parent | eb3d925534734c808602b31b38b953677f0a279f (diff) | |
download | ydb-73bb02f2495181e0719a800f979df508924f4b71.tar.gz |
Restoring authorship annotation for <sereglond@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/libiconv/utf16le.h')
-rw-r--r-- | contrib/libs/libiconv/utf16le.h | 160 |
1 files changed, 80 insertions, 80 deletions
diff --git a/contrib/libs/libiconv/utf16le.h b/contrib/libs/libiconv/utf16le.h index ff95337ace..5bb2b02696 100644 --- a/contrib/libs/libiconv/utf16le.h +++ b/contrib/libs/libiconv/utf16le.h @@ -1,80 +1,80 @@ -/* - * Copyright (C) 1999-2001, 2008 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 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 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 - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with the GNU LIBICONV Library; see the file COPYING.LIB. - * If not, write to the Free Software Foundation, Inc., 51 Franklin Street, - * Fifth Floor, Boston, MA 02110-1301, USA. - */ - -/* - * UTF-16LE - */ - -/* Specification: RFC 2781 */ - -static int -utf16le_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n) -{ - int count = 0; - if (n >= 2) { - ucs4_t wc = s[0] + (s[1] << 8); - if (wc >= 0xd800 && wc < 0xdc00) { - if (n >= 4) { - ucs4_t wc2 = s[2] + (s[3] << 8); - if (!(wc2 >= 0xdc00 && wc2 < 0xe000)) - goto ilseq; - *pwc = 0x10000 + ((wc - 0xd800) << 10) + (wc2 - 0xdc00); - return count+4; - } - } else if (wc >= 0xdc00 && wc < 0xe000) { - goto ilseq; - } else { - *pwc = wc; - return count+2; - } - } - return RET_TOOFEW(count); - -ilseq: - return RET_SHIFT_ILSEQ(count); -} - -static int -utf16le_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n) -{ - if (!(wc >= 0xd800 && wc < 0xe000)) { - if (wc < 0x10000) { - if (n >= 2) { - r[0] = (unsigned char) wc; - r[1] = (unsigned char) (wc >> 8); - return 2; - } else - return RET_TOOSMALL; - } - else if (wc < 0x110000) { - if (n >= 4) { - ucs4_t wc1 = 0xd800 + ((wc - 0x10000) >> 10); - ucs4_t wc2 = 0xdc00 + ((wc - 0x10000) & 0x3ff); - r[0] = (unsigned char) wc1; - r[1] = (unsigned char) (wc1 >> 8); - r[2] = (unsigned char) wc2; - r[3] = (unsigned char) (wc2 >> 8); - return 4; - } else - return RET_TOOSMALL; - } - } - return RET_ILUNI; -} +/* + * Copyright (C) 1999-2001, 2008 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 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 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with the GNU LIBICONV Library; see the file COPYING.LIB. + * If not, write to the Free Software Foundation, Inc., 51 Franklin Street, + * Fifth Floor, Boston, MA 02110-1301, USA. + */ + +/* + * UTF-16LE + */ + +/* Specification: RFC 2781 */ + +static int +utf16le_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n) +{ + int count = 0; + if (n >= 2) { + ucs4_t wc = s[0] + (s[1] << 8); + if (wc >= 0xd800 && wc < 0xdc00) { + if (n >= 4) { + ucs4_t wc2 = s[2] + (s[3] << 8); + if (!(wc2 >= 0xdc00 && wc2 < 0xe000)) + goto ilseq; + *pwc = 0x10000 + ((wc - 0xd800) << 10) + (wc2 - 0xdc00); + return count+4; + } + } else if (wc >= 0xdc00 && wc < 0xe000) { + goto ilseq; + } else { + *pwc = wc; + return count+2; + } + } + return RET_TOOFEW(count); + +ilseq: + return RET_SHIFT_ILSEQ(count); +} + +static int +utf16le_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n) +{ + if (!(wc >= 0xd800 && wc < 0xe000)) { + if (wc < 0x10000) { + if (n >= 2) { + r[0] = (unsigned char) wc; + r[1] = (unsigned char) (wc >> 8); + return 2; + } else + return RET_TOOSMALL; + } + else if (wc < 0x110000) { + if (n >= 4) { + ucs4_t wc1 = 0xd800 + ((wc - 0x10000) >> 10); + ucs4_t wc2 = 0xdc00 + ((wc - 0x10000) & 0x3ff); + r[0] = (unsigned char) wc1; + r[1] = (unsigned char) (wc1 >> 8); + r[2] = (unsigned char) wc2; + r[3] = (unsigned char) (wc2 >> 8); + return 4; + } else + return RET_TOOSMALL; + } + } + return RET_ILUNI; +} |