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https://github.com/openvswitch/ovs
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cab5044987
The following macros are renamed to avoid conflicts with other headers: * WARN_UNUSED_RESULT to OVS_WARN_UNUSED_RESULT * PRINTF_FORMAT to OVS_PRINTF_FORMAT * NO_RETURN to OVS_NO_RETURN Signed-off-by: Thomas Graf <tgraf@noironetworks.com> Acked-by: Ben Pfaff <blp@nicira.com>
59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
/*
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* Copyright (c) 2009, 2010 Nicira, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef UNICODE_H
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#define UNICODE_H 1
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#include <stdbool.h>
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#include <stddef.h>
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#include "compiler.h"
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/* Returns true if 'c' is a Unicode code point, otherwise false. */
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static inline bool
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uc_is_code_point(int c)
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{
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return c >= 0 && c <= 0x10ffff;
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}
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/* Returns true if 'c' is a Unicode code point for a leading surrogate. */
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static inline bool
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uc_is_leading_surrogate(int c)
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{
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return c >= 0xd800 && c <= 0xdbff;
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}
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/* Returns true if 'c' is a Unicode code point for a trailing surrogate. */
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static inline bool
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uc_is_trailing_surrogate(int c)
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{
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return c >= 0xdc00 && c <= 0xdfff;
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}
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/* Returns true if 'c' is a Unicode code point for a leading or trailing
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* surrogate. */
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static inline bool
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uc_is_surrogate(int c)
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{
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return c >= 0xd800 && c <= 0xdfff;
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}
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int utf16_decode_surrogate_pair(int leading, int trailing);
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size_t utf8_length(const char *);
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char *utf8_validate(const char *, size_t *lengthp) OVS_WARN_UNUSED_RESULT;
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#endif /* unicode.h */
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