62 lines
1.2 KiB
C++
62 lines
1.2 KiB
C++
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 1997 - 1997
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//
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// File: zstr.cpp
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//
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//--------------------------------------------------------------------------
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//
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// ZSTR.CPP
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//
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#include <iostream>
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#include <fstream>
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#include <stdarg.h>
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#include <stdio.h>
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#include "zstr.h"
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void ZSTR :: Vsprintf ( SZC szcFmt, va_list valist )
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{
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// Attempt to "sprintf" the buffer. If it fails, reallocate
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// a larger buffer and try again.
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UINT cbMaxNew = 0;
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char * psz = NULL;
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INT cbOut;
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do {
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delete psz;
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if ( cbMaxNew == 0 )
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cbMaxNew = 256;
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else
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cbMaxNew += cbMaxNew / 2;
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psz = new char[cbMaxNew];
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} while ( (cbOut = ::_vsnprintf( psz, cbMaxNew-1, szcFmt, valist )) < 0 ) ;
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psz[cbOut] = 0;
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self = psz;
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delete psz;
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}
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void ZSTR :: Format ( SZC szcFmt, ... )
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{
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va_list valist;
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va_start( valist, szcFmt );
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Vsprintf( szcFmt, valist ) ;
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va_end( valist );
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}
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void ZSTR :: FormatAppend ( SZC szcFmt, ... )
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{
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ZSTR strTemp ;
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va_list valist;
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va_start( valist, szcFmt );
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strTemp.Vsprintf( szcFmt, valist ) ;
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va_end( valist );
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self += strTemp;
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}
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