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/*-
* Copyright (c) 2014-2018 MongoDB, Inc.
* Copyright (c) 2008-2014 WiredTiger, Inc.
* All rights reserved.
*
* See the file LICENSE for redistribution information.
*/
#include "wt_internal.h"
/*
* __wt_to_utf16_string --
* Convert UTF-8 encoded string to UTF-16.
*/
int
__wt_to_utf16_string(
WT_SESSION_IMPL *session, const char *utf8, WT_ITEM **outbuf)
{
DWORD windows_error;
int bufferSize;
bufferSize = MultiByteToWideChar(CP_UTF8, 0, utf8, -1, NULL, 0);
windows_error = __wt_getlasterror();
if (bufferSize == 0 && windows_error != ERROR_INSUFFICIENT_BUFFER) {
__wt_errx(session, "MultiByteToWideChar: %s",
__wt_formatmessage(session, windows_error));
return (__wt_map_windows_error(windows_error));
}
WT_RET(__wt_scr_alloc(session, bufferSize * sizeof(wchar_t), outbuf));
bufferSize = MultiByteToWideChar(
CP_UTF8, 0, utf8, -1, (*outbuf)->mem, bufferSize);
if (bufferSize == 0) {
windows_error = __wt_getlasterror();
__wt_scr_free(session, outbuf);
__wt_errx(session, "MultiByteToWideChar: %s",
__wt_formatmessage(session, windows_error));
return (__wt_map_windows_error(windows_error));
}
(*outbuf)->size = bufferSize;
return (0);
}
/*
* __wt_to_utf8_string --
* Convert UTF-16 encoded string to UTF-8.
*/
int
__wt_to_utf8_string(
WT_SESSION_IMPL *session, const wchar_t *wide, WT_ITEM **outbuf)
{
DWORD windows_error;
int bufferSize;
bufferSize = WideCharToMultiByte(
CP_UTF8, 0, wide, -1, NULL, 0, NULL, NULL);
windows_error = __wt_getlasterror();
if (bufferSize == 0 && windows_error != ERROR_INSUFFICIENT_BUFFER) {
__wt_errx(session, "WideCharToMultiByte: %s",
__wt_formatmessage(session, windows_error));
return (__wt_map_windows_error(windows_error));
}
WT_RET(__wt_scr_alloc(session, bufferSize, outbuf));
bufferSize = WideCharToMultiByte(
CP_UTF8, 0, wide, -1, (*outbuf)->mem, bufferSize, NULL, NULL);
if (bufferSize == 0) {
windows_error = __wt_getlasterror();
__wt_scr_free(session, outbuf);
__wt_errx(session, "WideCharToMultiByte: %s",
__wt_formatmessage(session, windows_error));
return (__wt_map_windows_error(windows_error));
}
(*outbuf)->size = bufferSize;
return (0);
}
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