/*
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* The authors of this software are Rob Pike and Ken Thompson.
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* Copyright (c) 2002 by Lucent Technologies.
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* Permission to use, copy, modify, and distribute this software for any
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* purpose without fee is hereby granted, provided that this entire notice
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* is included in all copies of any software which is or includes a copy
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* or modification of this software and in all copies of the supporting
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* documentation for such software.
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* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
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* WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY
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* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
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* OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
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*/
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#include <stdarg.h>
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#include <string.h>
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#include "utf.h"
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#include "utfdef.h"
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char*
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utfecpy(char *to, char *e, const char *from)
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{
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char *end;
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if(to >= e)
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return to;
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end = (char*)memccpy(to, from, '\0', e - to);
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if(end == nil){
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end = e-1;
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while(end>to && (*--end&0xC0)==0x80)
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;
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*end = '\0';
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}else{
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end--;
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}
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return end;
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}
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