establish.c

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/*
 * This file is part of the Fun programming language.
 * https://fun-lang.xyz/
 *
 * Copyright 2025 Johannes Findeisen <you@hanez.org>
 * Licensed under the terms of the Apache-2.0 license.
 * https://opensource.org/license/apache-2-0
 */



/* PCSC establish */
case OP_PCSC_ESTABLISH: {
#ifdef FUN_WITH_PCSC
 int slot = pcsc_alloc_ctx_slot();
 if (!slot) {
 push_value(vm, make_int(0));
 break;
 }
 pcsc_ctx_entry *e = pcsc_get_ctx(slot);
 if (!e) {
 push_value(vm, make_int(0));
 break;
 }
 LONG rv = SCardEstablishContext(SCARD_SCOPE_SYSTEM, NULL, NULL, &e->ctx);
 if (rv != SCARD_S_SUCCESS) {
 e->in_use = 0;
 push_value(vm, make_int(0));
 break;
 }
 push_value(vm, make_int(slot));
#else
 push_value(vm, make_int(0));
#endif
 break;
}