pcsc.c File Reference

PC/SC smartcard helper registries and lookup utilities. More...

#include <PCSC/winscard.h>
#include <PCSC/wintypes.h>
#include <string.h>

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Data Structures
struct	pcsc_ctx_entry
struct	pcsc_card_entry

Functions
static int	pcsc_alloc_ctx_slot (void)
	Allocate a free context slot in the PC/SC registry.
static int	pcsc_alloc_card_slot (void)
	Allocate a free card slot in the PC/SC registry.
static pcsc_ctx_entry *	pcsc_get_ctx (int id)
	Lookup a context slot by id.
static pcsc_card_entry *	pcsc_get_card (int id)
	Lookup a card slot by id.

Variables
static pcsc_ctx_entry	g_pcsc_ctx [8]
static pcsc_card_entry	g_pcsc_card [32]

Detailed Description

PC/SC smartcard helper registries and lookup utilities.

Provides small fixed-size registries for PC/SC contexts and card handles, plus allocation and lookup helpers used by VM opcodes when FUN_WITH_PCSC is enabled.

Definition in file pcsc.c.

Function Documentation

pcsc_alloc_card_slot()

int pcsc_alloc_card_slot ( void )

static

Allocate a free card slot in the PC/SC registry.

Returns

A 1-based slot id on success, or 0 if no free slot is available.

Definition at line 70 of file pcsc.c.

pcsc_alloc_ctx_slot()

int pcsc_alloc_ctx_slot ( void )

static

Allocate a free context slot in the PC/SC registry.

Returns

A 1-based slot id on success, or 0 if no free slot is available.

Definition at line 54 of file pcsc.c.

pcsc_get_card()

pcsc_card_entry * pcsc_get_card ( int id )

static

Lookup a card slot by id.

Parameters

id	1-based card id previously returned by pcsc_alloc_card_slot().

Returns

Pointer to the registry entry if valid and in use; NULL otherwise.

Definition at line 102 of file pcsc.c.

pcsc_get_ctx()

pcsc_ctx_entry * pcsc_get_ctx ( int id )

static

Lookup a context slot by id.

Parameters

id	1-based context id previously returned by pcsc_alloc_ctx_slot().

Returns

Pointer to the registry entry if valid and in use; NULL otherwise.

Definition at line 88 of file pcsc.c.

Variable Documentation

g_pcsc_card

pcsc_card_entry g_pcsc_card[32]

static

Definition at line 47 of file pcsc.c.

g_pcsc_ctx

pcsc_ctx_entry g_pcsc_ctx[8]

static

Definition at line 46 of file pcsc.c.