CryptMemRealloc function

The CryptMemRealloc function frees the memory currently allocated for a buffer and allocates memory for a new buffer.

Syntax

C++
Copy 

LPVOID WINAPI CryptMemRealloc(
  _In_ LPVOID pv,
  _In_ ULONG  cbSize
);

Parameters

pv [in]

A pointer to a currently allocated buffer.

cbSize [in]

Number of bytes to be allocated.

Return value

Returns a pointer to the buffer allocated. If the function fails, NULL is returned. When you have finished using the buffer, free the memory by calling the CryptMemFree function.

Requirements

Minimum supported client

Windows XP [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

Header
Wincrypt.h

Library
Crypt32.lib

DLL
Crypt32.dll

See also

CryptMemAlloc
CryptMemFree

 

 

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