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author | sereglond <sereglond@yandex-team.ru> | 2022-02-10 16:47:46 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:47:46 +0300 |
commit | eb3d925534734c808602b31b38b953677f0a279f (patch) | |
tree | 4222ef8dc375ee9f30b68a004ee42a0845e005b6 /contrib/libs/libiconv/ucs4.h | |
parent | 4c8065245df3ea26b7757bcb1f8218df287f9148 (diff) | |
download | ydb-eb3d925534734c808602b31b38b953677f0a279f.tar.gz |
Restoring authorship annotation for <sereglond@yandex-team.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/libiconv/ucs4.h')
-rw-r--r-- | contrib/libs/libiconv/ucs4.h | 138 |
1 files changed, 69 insertions, 69 deletions
diff --git a/contrib/libs/libiconv/ucs4.h b/contrib/libs/libiconv/ucs4.h index 00d08d2517..21baa358b5 100644 --- a/contrib/libs/libiconv/ucs4.h +++ b/contrib/libs/libiconv/ucs4.h @@ -1,69 +1,69 @@ -/* - * 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. - */ - -/* - * UCS-4 - */ - -/* Here we accept FFFE0000/0000FEFF marks as endianness indicators everywhere - in the stream, not just at the beginning. The default is big-endian. */ -/* The state is 0 if big-endian, 1 if little-endian. */ -static int -ucs4_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n) -{ - state_t state = conv->istate; - int count = 0; - for (; n >= 4;) { - ucs4_t wc = (state - ? s[0] + (s[1] << 8) + (s[2] << 16) + (s[3] << 24) - : (s[0] << 24) + (s[1] << 16) + (s[2] << 8) + s[3]); - s += 4; n -= 4; count += 4; - if (wc == 0x0000feff) { - } else if (wc == 0xfffe0000u) { - state ^= 1; - } else if (wc <= 0x7fffffff) { - *pwc = wc; - conv->istate = state; - return count; - } else { - conv->istate = state; - return RET_SHIFT_ILSEQ(count); - } - } - conv->istate = state; - return RET_TOOFEW(count); -} - -/* But we output UCS-4 in big-endian order, without byte-order mark. */ -static int -ucs4_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n) -{ - if (wc <= 0x7fffffff) { - if (n >= 4) { - r[0] = (unsigned char) (wc >> 24); - r[1] = (unsigned char) (wc >> 16); - r[2] = (unsigned char) (wc >> 8); - r[3] = (unsigned char) wc; - return 4; - } else - return RET_TOOSMALL; - } else - 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. + */ + +/* + * UCS-4 + */ + +/* Here we accept FFFE0000/0000FEFF marks as endianness indicators everywhere + in the stream, not just at the beginning. The default is big-endian. */ +/* The state is 0 if big-endian, 1 if little-endian. */ +static int +ucs4_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n) +{ + state_t state = conv->istate; + int count = 0; + for (; n >= 4;) { + ucs4_t wc = (state + ? s[0] + (s[1] << 8) + (s[2] << 16) + (s[3] << 24) + : (s[0] << 24) + (s[1] << 16) + (s[2] << 8) + s[3]); + s += 4; n -= 4; count += 4; + if (wc == 0x0000feff) { + } else if (wc == 0xfffe0000u) { + state ^= 1; + } else if (wc <= 0x7fffffff) { + *pwc = wc; + conv->istate = state; + return count; + } else { + conv->istate = state; + return RET_SHIFT_ILSEQ(count); + } + } + conv->istate = state; + return RET_TOOFEW(count); +} + +/* But we output UCS-4 in big-endian order, without byte-order mark. */ +static int +ucs4_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n) +{ + if (wc <= 0x7fffffff) { + if (n >= 4) { + r[0] = (unsigned char) (wc >> 24); + r[1] = (unsigned char) (wc >> 16); + r[2] = (unsigned char) (wc >> 8); + r[3] = (unsigned char) wc; + return 4; + } else + return RET_TOOSMALL; + } else + return RET_ILUNI; +} |