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