63433bc937
reallocarray(3) is a non portable extension from OpenBSD. Given that it is already in FreeBSD, make easier future merges by adopting in some cases where the code has some shared heritage with OpenBSD. Obtained from: OpenBSD
111 lines
2.0 KiB
C
111 lines
2.0 KiB
C
/* $OpenBSD: mem.c,v 1.6 2014/12/01 13:13:00 deraadt Exp $ */
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/*
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* Copyright (c) 2003, Otto Moerbeek <otto@drijf.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <openssl/err.h>
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#include <err.h>
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#include <stdlib.h>
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#include <string.h>
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#include "extern.h"
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struct number *
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new_number(void)
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{
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struct number *n;
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n = bmalloc(sizeof(*n));
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n->scale = 0;
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n->number = BN_new();
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if (n->number == NULL)
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err(1, NULL);
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return (n);
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}
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void
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free_number(struct number *n)
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{
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BN_free(n->number);
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free(n);
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}
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struct number *
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dup_number(const struct number *a)
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{
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struct number *n;
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n = bmalloc(sizeof(*n));
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n->scale = a->scale;
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n->number = BN_dup(a->number);
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bn_checkp(n->number);
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return (n);
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}
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void *
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bmalloc(size_t sz)
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{
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void *p;
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p = malloc(sz);
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if (p == NULL)
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err(1, NULL);
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return (p);
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}
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void *
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breallocarray(void *p, size_t nmemb, size_t size)
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{
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void *q;
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q = reallocarray(p, nmemb, size);
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if (q == NULL)
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err(1, NULL);
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return (q);
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}
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char *
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bstrdup(const char *p)
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{
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char *q;
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q = strdup(p);
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if (q == NULL)
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err(1, NULL);
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return (q);
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}
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void
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bn_check(int x) \
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{
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if (x == 0)
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err(1, "big number failure %lx", ERR_get_error());
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}
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void
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bn_checkp(const void *p) \
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{
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if (p == NULL)
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err(1, "allocation failure %lx", ERR_get_error());
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}
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