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34 lines
1.1 KiB
C
34 lines
1.1 KiB
C
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/*
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Copyright (c) 2018 MariaDB Corporation
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _CTYPE_UTF32_H
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#define _CTYPE_UTF32_H
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#define MY_UTF32_WC4(b0,b1,b2,b3) ((((my_wc_t)b0) << 24) + (b1 << 16) + \
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(b2 << 8) + (b3))
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static inline int
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my_mb_wc_utf32_quick(my_wc_t *pwc, const uchar *s, const uchar *e)
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{
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if (s + 4 > e)
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return MY_CS_TOOSMALL4;
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*pwc= MY_UTF32_WC4(s[0], s[1], s[2], s[3]);
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return *pwc > 0x10FFFF ? MY_CS_ILSEQ : 4;
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}
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#endif /* _CTYPE_UTF32_H */
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