gnupg2/tools/no-libgcrypt.c

163 lines
2.6 KiB
C

/* no-libgcrypt.c - Replacement functions for libgcrypt.
* Copyright (C) 2003 Free Software Foundation, Inc.
*
* This file is free software; as a special exception the author gives
* unlimited permission to copy and/or distribute it, with or without
* modifications, as long as this notice is preserved.
*
* This file is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY, to the extent permitted by law; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "../common/util.h"
#include "../common/i18n.h"
/* Replace libgcrypt's malloc functions which are used by
../common/libcommon.a . ../common/util.h defines macros to map them
to xmalloc etc. */
static void
out_of_memory (void)
{
log_fatal (_("error allocating enough memory: %s\n"), strerror (errno));
}
void *
gcry_malloc (size_t n)
{
return malloc (n);
}
void *
gcry_malloc_secure (size_t n)
{
return malloc (n);
}
void *
gcry_xmalloc (size_t n)
{
void *p = malloc (n);
if (!p)
out_of_memory ();
return p;
}
char *
gcry_strdup (const char *string)
{
char *p = malloc (strlen (string)+1);
if (p)
strcpy (p, string);
return p;
}
void *
gcry_realloc (void *a, size_t n)
{
return realloc (a, n);
}
void *
gcry_xrealloc (void *a, size_t n)
{
void *p = realloc (a, n);
if (!p)
out_of_memory ();
return p;
}
void *
gcry_calloc (size_t n, size_t m)
{
return calloc (n, m);
}
void *
gcry_xcalloc (size_t n, size_t m)
{
void *p = calloc (n, m);
if (!p)
out_of_memory ();
return p;
}
char *
gcry_xstrdup (const char *string)
{
void *p = malloc (strlen (string)+1);
if (!p)
out_of_memory ();
strcpy( p, string );
return p;
}
void
gcry_free (void *a)
{
if (a)
free (a);
}
/* We need this dummy because exechelp.c uses gcry_control to
terminate the secure memory. */
gcry_error_t
gcry_control (enum gcry_ctl_cmds cmd, ...)
{
(void)cmd;
return 0;
}
void
gcry_set_outofcore_handler (gcry_handler_no_mem_t h, void *opaque)
{
(void)h;
(void)opaque;
}
void
gcry_set_fatalerror_handler (gcry_handler_error_t fnc, void *opaque)
{
(void)fnc;
(void)opaque;
}
void
gcry_set_log_handler (gcry_handler_log_t f, void *opaque)
{
(void)f;
(void)opaque;
}
void
gcry_create_nonce (void *buffer, size_t length)
{
(void)buffer;
(void)length;
log_fatal ("unexpected call to gcry_create_nonce\n");
}
const char *
gcry_cipher_algo_name (int algo)
{
(void)algo;
return "?";
}