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4/8/2010

This callback function is provided by the Web Server. ISAPI filters call this function to allocate memory from the process heap to a buffer. The AllocMemname for this function is a placeholder for the function name defined by the header. Any memory allocated with this function will automatically be freed by the Web Server when the session ends.

Syntax 

VOID* WINAPI* AllocMem(
  PHTTP_FILTER_CONTEXT 
pfc,
  DWORD
 cbSize,
  DWORD
 dwReserved 
);

Parameters

pfc

[in] Pointer to an HTTP_FILTER_CONTEXTstructure that is associated with the current, active HTTP transaction.

cbSize

[in] Indicates the size of the buffer to be allocated, in bytes.

dwReserved

[in] Reserved for use by the server.

Return Value

Returns a pointer to the block of memory allocated on success, and returns NULL on failure. To determine the cause of a failure, the filter should call GetLastError.

Requirements

Header httpfilt.h
Library Developer Implemented
Windows Embedded CE Windows CE 3.0 and later
Windows Mobile Pocket PC 2000 and later, Smartphone 2002 and later

See Also