CryptMemRealloc function (wincrypt.h)

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

Syntax

LPVOID CryptMemRealloc(
  [in] LPVOID pv,
  [in] ULONG  cbSize
);

Parameters

[in] pv

A pointer to a currently allocated buffer.

[in] cbSize

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

Requirement	Value
Minimum supported client	Windows XP [desktop apps only]
Minimum supported server	Windows Server 2003 [desktop apps only]
Target Platform	Windows
Header	wincrypt.h
Library	Crypt32.lib
DLL	Crypt32.dll

See also

CryptMemAlloc

CryptMemFree