45 lines
1.4 KiB
C++
45 lines
1.4 KiB
C++
#define EXTENDED_FUNCTIONALITY
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#include "cpputils.h"
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#include "cstring.h"
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#include "unicode/ustring.h"
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/**********************************************************************
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* Copyright (C) 1999, International Business Machines
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* Corporation and others. All Rights Reserved.
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**********************************************************************/
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/******************************************************
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* Simple utility to set output buffer parameters
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******************************************************/
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void T_fillOutputParams(const UnicodeString* temp,
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UChar* result,
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const int32_t resultLength,
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int32_t* resultLengthOut,
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UErrorCode* status)
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{
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int32_t actual = temp->length();
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if (resultLength > 0) {
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// copy the contents; extract() will check if it needs to copy anything at all
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temp->extract(0, resultLength - 1, result, 0);
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// zero-terminate the result buffer
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if (actual < resultLength) {
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result[actual] = 0;
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} else {
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result[resultLength - 1] = 0;
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}
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}
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// set the output length to the actual string length
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if (resultLengthOut != 0) {
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*resultLengthOut = actual;
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}
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// set the error code according to the necessary buffer length
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if (actual >= resultLength && U_SUCCESS(*status)) {
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*status = U_BUFFER_OVERFLOW_ERROR;
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}
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}
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