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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
******************************************************************************
*
* Copyright (C) 1998-2004, International Business Machines
* Corporation and others. All Rights Reserved.
*
******************************************************************************
*
* ucnvdisp.c:
* Implements APIs for the ICU's codeset conversion library display names.
*
* Modification History:
*
* Date Name Description
* 04/04/99 helena Fixed internal header inclusion.
* 05/09/00 helena Added implementation to handle fallback mappings.
* 06/20/2000 helena OS/400 port changes; mostly typecast.
* 09/08/2004 grhoten split from ucnv.c
*/
#include "unicode/utypes.h"
#if !UCONFIG_NO_CONVERSION
#include "unicode/ustring.h"
#include "unicode/ures.h"
#include "unicode/ucnv.h"
#include "cstring.h"
#include "ustr_imp.h"
#include "ucnv_imp.h"
#include "putilimp.h"
U_CAPI int32_t U_EXPORT2
ucnv_getDisplayName(const UConverter *cnv,
const char *displayLocale,
char16_t *displayName, int32_t displayNameCapacity,
UErrorCode *pErrorCode) {
UResourceBundle *rb;
const char16_t *name;
int32_t length;
UErrorCode localStatus = U_ZERO_ERROR;
/* check arguments */
if(pErrorCode==nullptr || U_FAILURE(*pErrorCode)) {
return 0;
}
if(cnv==nullptr || displayNameCapacity<0 || (displayNameCapacity>0 && displayName==nullptr)) {
*pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
return 0;
}
/* open the resource bundle and get the display name string */
rb=ures_open(nullptr, displayLocale, pErrorCode);
if(U_FAILURE(*pErrorCode)) {
return 0;
}
/* use the internal name as the key */
name=ures_getStringByKey(rb, cnv->sharedData->staticData->name, &length, &localStatus);
ures_close(rb);
if(U_SUCCESS(localStatus)) {
/* copy the string */
if (*pErrorCode == U_ZERO_ERROR) {
*pErrorCode = localStatus;
}
u_memcpy(displayName, name, uprv_min(length, displayNameCapacity)*U_SIZEOF_UCHAR);
} else {
/* convert the internal name into a Unicode string */
length=(int32_t)uprv_strlen(cnv->sharedData->staticData->name);
u_charsToUChars(cnv->sharedData->staticData->name, displayName, uprv_min(length, displayNameCapacity));
}
return u_terminateUChars(displayName, displayNameCapacity, length, pErrorCode);
}
#endif
/*
* Hey, Emacs, please set the following:
*
* Local Variables:
* indent-tabs-mode: nil
* End:
*
*/
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