| /*- |
| * Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved. |
| * Redistribution and modifications are permitted subject to BSD license. |
| */ |
| #ifndef _UTF8String_H_ |
| #define _UTF8String_H_ |
| |
| #include <OCTET_STRING.h> |
| |
| typedef OCTET_STRING_t UTF8String_t; /* Implemented via OCTET STRING */ |
| |
| extern asn_TYPE_descriptor_t asn_DEF_UTF8String; |
| |
| asn_struct_print_f UTF8String_print; |
| asn_constr_check_f UTF8String_constraint; |
| |
| /* |
| * Returns length of the given UTF-8 string in characters, |
| * or a negative error code: |
| * -1: UTF-8 sequence truncated |
| * -2: Illegal UTF-8 sequence start |
| * -3: Continuation expectation failed |
| * -4: Not minimal length encoding |
| * -5: Invalid arguments |
| */ |
| ssize_t UTF8String_length(const UTF8String_t *st); |
| |
| /* |
| * Convert the UTF-8 string into a sequence of wide characters. |
| * Returns the number of characters necessary. |
| * Returned value might be greater than dstlen. |
| * In case of conversion error, 0 is returned. |
| * |
| * If st points to a valid UTF-8 string, calling |
| * UTF8String_to_wcs(st, 0, 0); |
| * is equivalent to |
| * UTF8String_length(const UTF8String_t *st); |
| */ |
| size_t UTF8String_to_wcs(const UTF8String_t *st, uint32_t *dst, size_t dstlen); |
| |
| #endif /* _UTF8String_H_ */ |