Therefore, your program must make the correct adjustments to the size and location of objects in all the objects that it creates if you want the compiler to use memory-allocation functions. Memory-allocation functions do not allocate any data themselves the data they allocate is placed in the objects created by the memory- allocation functions. The sizes and locations of all objects created by a memory-allocation function are declared during compilation. For that reason, some compilers provide automatic checks to determine the size of object that are invoked by memory-allocation functions, even when you are specifying the size in memory. However, the compiler does not know the size of an object at compile time. The compiler uses information you specify in the definitions to determine the size and location of the objects allocated by the functions to which you are declaring references. The symbols you declare in a memory-allocation function declaration or definition are visible only to you and to programs that call the memory-allocation function. In the examples in this section, we assume the following attributes on the object:
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Note This section and the related references describe how to use memory-allocation functions your program must use these memory-allocation functions.
This is because memory-allocation functions are modified as part of a compilation-time optimization.
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dll file for the C++ Compiler Interface for the Microsoft Visual C++ compiler only if you specify LIES=c++.exe or LIES=gcc.exe.īefore you make any changes, you must make sure that all the references in the C++ Memory Allocation Functions section are updated to reflect the most recent version of Visual C++ that supports those memory-allocation functions. You can get the Compiler Interface for another language using the linker command line option LIES. Note that you cannot use these functions on a platform that does not have a Compiler Interface. These functions are not supported by all compilers for all platforms, so you can use them from Visual C++. See the references section for additional information.Ĭompilers support a subset of memory-allocation functions available within the Microsoft C++ Compiler Interface for Visual Studio. This section includes information that is useful for the Visual C++ compiler.
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