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/*
* Copyright 2018, University Corporation for Atmospheric Research
* See netcdf/COPYRIGHT file for copying and redistribution conditions.
*/
#ifndef NCUTF8_H
#define NCUTF8_H 1
#include "ncexternl.h"
/* Provide a wrapper around whatever utf8 library we use. */
/*
* Check validity of a UTF8 encoded null-terminated byte string.
* Return codes:
* NC_NOERR -- string is valid utf8
* NC_ENOMEM -- out of memory
* NC_EBADNAME-- not valid utf8
*/
EXTERNL int nc_utf8_validate(const unsigned char * name);
/*
* Apply NFC normalization to a string.
* Returns a pointer to newly allocated memory of an NFC
* normalized version of the null-terminated string 'str'.
* Pointer to normalized string is returned in normalp argument;
* caller must free.
* Return codes:
* NC_NOERR -- success
* NC_ENOMEM -- out of memory
* NC_EBADNAME -- other failure
*/
EXTERNL int nc_utf8_normalize(const unsigned char* str, unsigned char** normalp);
/*
* Convert a normalized utf8 string to utf16. This is approximate
* because it just does the truncation version of conversion for
* each 32-bit codepoint to get the corresponding utf16.
* Return codes:
* NC_NOERR -- success
* NC_ENOMEM -- out of memory
* NC_EINVAL -- invalid argument or internal error
* NC_EBADNAME-- not valid utf16
*/
EXTERNL int nc_utf8_to_utf16(const unsigned char* s8, unsigned short** utf16p, size_t* lenp);
#endif /*NCUTF8_H*/
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