PFN_CSP_REALLOC function pointer
This topic is not current. For the most current information about the Smart Card API, see Smart Card Minidriver Specification.
The PFN_CSP_REALLOC function pointer points to a function that changes the size of a previously allocated block of memory. The existing contents of the memory block are copied to the reallocated block.
Syntax
typedef LPVOID ( WINAPI *PFN_CSP_REALLOC)(
_In_ LPVOID Address,
_In_ SIZE_T Size
);
Parameters
-
Address [in]
-
A pointer to the address of the memory block to reallocate.
-
Size [in]
-
The size, in bytes, of the reallocated memory block.
Return value
If the function succeeds, the function returns a pointer to the reallocated block of memory.
If the function fails, it returns NULL.
Remarks
The existing contents of the memory block are copied to the reallocated block. If the size of the reallocated block of memory is smaller than the size of the data to be copied, the data is truncated to the size of the reallocated block of memory.
This function pointer is passed to a card module in a CARD_DATA structure when the Microsoft Base Smart Card Cryptographic Service Provider calls the CardAcquireContext function.
Requirements
| Minimum supported client |
Windows XP [desktop apps only] |
| Minimum supported server |
Windows Server 2003 [desktop apps only] |
| Header |
|