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1.1.2
by Martin Pitt
Import upstream version 1.5.11+cvs20060403 |
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/*
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* Copyright (C) 2004 g10 Code GmbH
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#if HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include "crypt-mod.h" |
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/* A type an a variable to keep track of registered crypto modules. */
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typedef struct crypt_module *crypt_module_t; |
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struct crypt_module |
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{
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crypt_module_specs_t specs; |
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crypt_module_t next, *prevp; |
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};
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static crypt_module_t modules; |
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/* Register a new crypto module. */
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void crypto_module_register (crypt_module_specs_t specs) |
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{
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crypt_module_t module_new = safe_malloc (sizeof (*module_new)); |
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module_new->specs = specs; |
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module_new->next = modules; |
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if (modules) |
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modules->prevp = &module_new->next; |
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modules = module_new; |
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}
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/* Return the crypto module specs for IDENTIFIER. This function is
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usually used via the CRYPT_MOD_CALL[_CHECK] macros. */
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crypt_module_specs_t crypto_module_lookup (int identifier) |
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{
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crypt_module_t module = modules; |
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while (module && (module->specs->identifier != identifier)) |
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module = module->next; |
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return module ? module->specs : NULL; |
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}
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