//*************************************************************************** // libxx/libxx_newa.cxx // // Copyright (C) 2009 Gregory Nutt. All rights reserved. // Author: Gregory Nutt // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions // are met: // // 1. Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // 2. Redistributions in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimer in // the documentation and/or other materials provided with the // distribution. // 3. Neither the name NuttX nor the names of its contributors may be // used to endorse or promote products derived from this software // without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE // COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, // BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS // OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED // AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN // ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE // POSSIBILITY OF SUCH DAMAGE. // //*************************************************************************** //*************************************************************************** // Included Files //*************************************************************************** #include #include #include #include //*************************************************************************** // Definitions //*************************************************************************** //*************************************************************************** // Private Data //*************************************************************************** //*************************************************************************** // Operators //*************************************************************************** //*************************************************************************** // Name: new // // NOTE: // This should take a type of size_t. But size_t has an unknown underlying // type. In the nuttx sys/types.h header file, size_t is typed as uint32_t // (which is determined by architecture-specific logic). But the C++ // compiler may believe that size_t is of a different type resulting in // compilation errors in the operator. Using the underlying integer type // instead of size_t seems to resolve the compilation issues. Need to // REVISIT this. // //*************************************************************************** //void *operator new[](size_t size) #ifdef CONFIG_CXX_NEWLONG void *operator new[](unsigned long nbytes) #else void *operator new[](unsigned int nbytes) #endif { // We have to allocate something if (nbytes < 1) { nbytes = 1; } // Perform the allocation void *alloc = malloc(nbytes); #ifdef CONFIG_DEBUG if (alloc == 0) { // Oh my.. we are required to return a valid pointer and // we cannot throw an exception! We are bad. dbg("Failed to allocate\n"); } #endif // Return the allocated value return alloc; }