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Revision 1.10, Sun Dec 17 08:21:10 2017 UTC (6 years, 5 months ago) by otto
Branch: MAIN
CVS Tags: OPENBSD_7_5_BASE, OPENBSD_7_5, OPENBSD_7_4_BASE, OPENBSD_7_4, OPENBSD_7_3_BASE, OPENBSD_7_3, OPENBSD_7_2_BASE, OPENBSD_7_2, OPENBSD_7_1_BASE, OPENBSD_7_1, OPENBSD_7_0_BASE, OPENBSD_7_0, OPENBSD_6_9_BASE, OPENBSD_6_9, OPENBSD_6_8_BASE, OPENBSD_6_8, OPENBSD_6_7_BASE, OPENBSD_6_7, OPENBSD_6_6_BASE, OPENBSD_6_6, OPENBSD_6_5_BASE, OPENBSD_6_5, OPENBSD_6_4_BASE, OPENBSD_6_4, OPENBSD_6_3_BASE, OPENBSD_6_3, HEAD
Changes since 1.9: +11 -5 lines 

Use proper BN functions for error reporting; from kshe

/*	$OpenBSD: mem.c,v 1.10 2017/12/17 08:21:10 otto 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 <openssl/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();
	bn_checkp(n->number);
	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 *
breallocarray(void *p, size_t nmemb, size_t size)
{
	void *q;

	q = reallocarray(p, nmemb, size);
	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_load_BN_strings();
		errx(1, "BN failure: %s",
		    ERR_reason_error_string(ERR_get_error()));
	}
}

void
bn_checkp(const void *p)
{
	if (p == NULL) {
		ERR_load_BN_strings();
		errx(1, "BN failure: %s",
		    ERR_reason_error_string(ERR_get_error()));
	}
}