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/* $OpenBSD: mem.c,v 1.5 2009/10/27 23:59:37 deraadt Exp $ */
/*
* Copyright (c) 2003, Otto Moerbeek <otto@drijf.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <ssl/err.h>
#include <err.h>
#include <stdlib.h>
#include <string.h>
#include "extern.h"
struct number *
new_number(void)
{
struct number *n;
n = bmalloc(sizeof(*n));
n->scale = 0;
n->number = BN_new();
if (n->number == NULL)
err(1, NULL);
return n;
}
void
free_number(struct number *n)
{
BN_free(n->number);
free(n);
}
struct number *
dup_number(const struct number *a)
{
struct number *n;
n = bmalloc(sizeof(*n));
n->scale = a->scale;
n->number = BN_dup(a->number);
bn_checkp(n->number);
return n;
}
void *
bmalloc(size_t sz)
{
void *p;
p = malloc(sz);
if (p == NULL)
err(1, NULL);
return p;
}
void *
brealloc(void *p, size_t sz)
{
void *q;
q = realloc(p, sz);
if (q == NULL)
err(1, NULL);
return q;
}
char *
bstrdup(const char *p)
{
char *q;
q = strdup(p);
if (q == NULL)
err(1, NULL);
return q;
}
void
bn_check(int x) \
{
if (x == 0)
err(1, "big number failure %lx", ERR_get_error());
}
void
bn_checkp(const void *p) \
{
if (p == NULL)
err(1, "allocation failure %lx", ERR_get_error());
}
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