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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 |