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1//
2// wcscat.cpp
3//
4// Copyright (c) Microsoft Corporation. All rights reserved.
5//
6// Defines wcscat(), which concatenates (appends) a copy of the source string to
7// the end of the destination string.
8//
9// This function assumes that the destination buffer is sufficiently large to
10// store the appended string.
11//
12#include <string.h>
13
14
15
16#if defined _M_X64 || defined _M_IX86 || defined _M_ARM || defined _M_ARM64
17 #pragma warning(disable:4163)
18 #pragma function(wcscat)
19#endif
20
21
22
23extern "C" wchar_t * __cdecl wcscat(
24 wchar_t* const destination,
25 wchar_t const* source
26 )
27{
28 wchar_t* destination_it = destination;
29
30 // Find the end of the destination string:
31 while (*destination_it)
32 ++destination_it;
33
34 // Append the source string to the destination string:
35 while ((*destination_it++ = *source++) != L'\0') { }
36
37 return destination;
38}