36 lines
1.1 KiB
C++
36 lines
1.1 KiB
C++
/**********************************************************************
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* Copyright (C) 1999-2001, International Business Machines
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* Corporation and others. All Rights Reserved.
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**********************************************************************/
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#include "unicode/utypes.h"
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#include "unicode/unistr.h"
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#include "cpputils.h"
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/** Simple utility to fill a UChar array from a UnicodeString */
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U_CAPI int32_t U_EXPORT2
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uprv_fillOutputString(const UnicodeString &temp,
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UChar *dest,
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int32_t destCapacity,
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UErrorCode *status) {
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int32_t length = temp.length();
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if (destCapacity > 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, destCapacity, dest, 0);
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// zero-terminate the dest buffer if possible
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if (length < destCapacity) {
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dest[length] = 0;
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}
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}
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// set the error code according to the necessary buffer length
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if (length > destCapacity && U_SUCCESS(*status)) {
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*status = U_BUFFER_OVERFLOW_ERROR;
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}
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// return the full string length
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return length;
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}
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