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10 lines
308 B
10 lines
308 B
#ifndef IS_UTF8
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#include <stddef.h>
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// Check whether the provided string is UTF-8.
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// The function is designed for use cases where
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// 99.99% of the inputs are valid UTF-8.
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// Thus the function unconditionally scans the
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// whole input.
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extern "C" bool is_utf8(const char *src, size_t len);
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#endif // IS_UTF8
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