mirror of
https://github.com/TorqueGameEngines/Torque3D.git
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71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
//-----------------------------------------------------------------------------
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// Copyright (c) 2012 GarageGames, LLC
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// 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
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// 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
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// 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 "platformPOSIX/platformPOSIX.h"
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#include "core/strings/stringFunctions.h"
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#include <stdarg.h>
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#include <ctype.h>
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#include <stdlib.h>
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const char *stristr(const char *szStringToBeSearched, const char *szSubstringToSearchFor)
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{
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const char *pPos = NULL;
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char *szCopy1 = NULL;
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char *szCopy2 = NULL;
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// verify parameters
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if ( szStringToBeSearched == NULL ||
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szSubstringToSearchFor == NULL )
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{
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return szStringToBeSearched;
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}
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// empty substring - return input (consistent with strstr)
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if (strlen(szSubstringToSearchFor) == 0 ) {
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return szStringToBeSearched;
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}
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szCopy1 = dStrlwr(strdup(szStringToBeSearched));
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szCopy2 = dStrlwr(strdup(szSubstringToSearchFor));
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if ( szCopy1 == NULL || szCopy2 == NULL ) {
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// another option is to raise an exception here
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free((void*)szCopy1);
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free((void*)szCopy2);
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return NULL;
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}
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pPos = strstr((const char*)szCopy1, (const char*)szCopy2);
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if ( pPos != NULL ) {
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// map to the original string
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pPos = szStringToBeSearched + (pPos - szCopy1);
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}
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free((void*)szCopy1);
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free((void*)szCopy2);
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return pPos;
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} // stristr(...)
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