sdk-hwV1.3/external/eyesee-mpp/system/private/rtsp/UsageEnvironment/strDup.cpp

51 lines
1.5 KiB
C++
Executable File

/**********
This library is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the
Free Software Foundation; either version 2.1 of the License, or (at your
option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
This library is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
more details.
You should have received a copy of the GNU Lesser General Public License
along with this library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**********/
// Copyright (c) 1996-2016 Live Networks, Inc. All rights reserved.
// A C++ equivalent to the standard C routine "strdup()".
// This generates a char* that can be deleted using "delete[]"
// Implementation
#include "strDup.hh"
char* strDup(char const* str) {
if (str == NULL) return NULL;
size_t len = strlen(str) + 1;
char* copy = new char[len];
if (copy != NULL) {
memcpy(copy, str, len);
}
return copy;
}
char* strDupSize(char const* str) {
size_t dummy;
return strDupSize(str, dummy);
}
char* strDupSize(char const* str, size_t& resultBufSize) {
if (str == NULL) {
resultBufSize = 0;
return NULL;
}
resultBufSize = strlen(str) + 1;
char* copy = new char[resultBufSize];
return copy;
}