151 lines
3.9 KiB
C++
151 lines
3.9 KiB
C++
//---------------------------------------------------------------------------------------------------------------------------------
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// File: StringFunctions.cpp
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//
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// Contents: Contains functions for handling UTF-16 on non-Windows platforms
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//
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// Microsoft Drivers 5.5 for PHP for SQL Server
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// Copyright(c) Microsoft Corporation
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// All rights reserved.
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// MIT License
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// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files(the ""Software""),
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// to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and / or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions :
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// The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//---------------------------------------------------------------------------------------------------------------------------------
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#include "StringFunctions.h"
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// Tools\vc\src\crt\amd64\memcpy_s.c
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int mplat_memcpy_s( void * dest, size_t destSize, const void * src, size_t count )
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{
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if ( 0 == count )
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{
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// nothing to do
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return 0;
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}
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// validation section
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if ( NULL == dest )
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{
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errno = EINVAL;
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return EINVAL;
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}
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if ( src == NULL || destSize < count )
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{
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// zeroes the destination buffer
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memset(dest, 0, destSize*sizeof(char));
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if ( NULL == src )
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{
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errno = EINVAL;
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return EINVAL;
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}
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if ( destSize < count )
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{
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errno = ERANGE;
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return ERANGE;
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}
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return EINVAL;
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}
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memcpy(dest, src, count*sizeof(char));
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return 0;
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}
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// Tools\vc\src\crt\amd64\strcpy_s.c
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int mplat_strcpy_s( char * dest, size_t destSize, const char * src )
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{
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char * p;
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size_t available;
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// validation section
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if ( NULL == dest || 0 == destSize )
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{
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errno = EINVAL;
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return EINVAL;
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}
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if ( NULL == src )
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{
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*dest = 0;
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errno = EINVAL;
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return EINVAL;
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}
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p = dest;
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available = destSize;
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while ( (*p++ = *src++) != 0 && --available > 0 )
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{
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}
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if ( 0 == available )
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{
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*dest = 0;
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errno = ERANGE;
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return ERANGE;
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}
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return 0;
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}
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// Tools\vc\src\crt\amd64\strcat_s.c
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int mplat_strcat_s( char * dest, size_t destSize, const char * src )
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{
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char *p;
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size_t available;
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// validation section
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if ( NULL == dest || 0 == destSize )
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{
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errno = EINVAL;
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return EINVAL;
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}
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if ( NULL == src )
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{
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*dest = 0;
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errno = EINVAL;
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return EINVAL;
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}
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p = dest;
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available = destSize;
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while (available > 0 && *p != 0)
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{
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p++;
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available--;
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}
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if (available == 0)
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{
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*dest = 0;
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errno = EINVAL;
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return EINVAL;
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}
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while ((*p++ = *src++) != 0 && --available > 0)
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{
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}
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if (available == 0)
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{
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*dest = 0;
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errno = ERANGE;
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return ERANGE;
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}
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return 0;
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}
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size_t strnlen_s(const char * _Str, size_t _MaxCount)
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{
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return (_Str==0) ? 0 : strnlen(_Str, _MaxCount);
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}
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//
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// End copy functions
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//----------------------------------------------------------------------------
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