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tcpforward_commands.c

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  • io.h 1.92 KiB
    /* io.c
     *
     * Miscellaneous functions used by the example programs.
     */
    
    /* nettle, low-level cryptographics library
     *
     * Copyright (C) 2002 Niels Möller
     *  
     * The nettle library is free software; you can redistribute it and/or modify
     * it under the terms of the GNU Lesser General Public License as published by
     * the Free Software Foundation; either version 2.1 of the License, or (at your
     * option) any later version.
     * 
     * The nettle library is distributed in the hope that it will be useful, but
     * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
     * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
     * License for more details.
     * 
     * You should have received a copy of the GNU Lesser General Public License
     * along with the nettle library; see the file COPYING.LIB.  If not, write to
     * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
     * MA 02111-1307, USA.
     */
    
    #ifndef NETTLE_EXAMPLES_IO_H_INCLUDED
    #define NETTLE_EXAMPLES_IO_H_INCLUDED
    
    #include "nettle-meta.h"
    #include "yarrow.h"
    
    #include <stdio.h>
    
    extern int quiet_flag;
    
    void *
    xalloc(size_t size);
    
    void
    werror(const char *format, ...)
    #if __GNUC___
         __attribute__((__format__ (__printf__,1, 2)))
    #endif
         ;
    
    /* If size is > 0, read at most that many bytes. If size == 0,
     * read until EOF. Allocates the buffer dynamically. */
    unsigned
    read_file(const char *name, unsigned size, char **buffer);
    
    int
    write_file(const char *name, unsigned size, const char *buffer);
    
    int
    write_string(FILE *f, unsigned size, const char *buffer);
    
    int
    simple_random(struct yarrow256_ctx *ctx, const char *name);
    
    int
    hash_file(const struct nettle_hash *hash, void *ctx, FILE *f);
    
    #if WITH_HOGWEED
    struct rsa_public_key;
    struct rsa_private_key;
    
    int
    read_rsa_key(const char *name,
    	     struct rsa_public_key *pub,
    	     struct rsa_private_key *priv);
    #endif /* WITH_HOGWEED */
    
    #endif /* NETTLE_EXAMPLES_IO_H_INCLUDED */