1 /* $OpenBSD: mem.c,v 1.10 2017/12/17 08:21:10 otto Exp $ */
2
3 /*
4 * Copyright (c) 2003, Otto Moerbeek <otto@drijf.net>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include <openssl/err.h>
20
21 #include <err.h>
22 #include <stdlib.h>
23 #include <string.h>
24
25 #include "extern.h"
26
27 struct number *
new_number(void)28 new_number(void)
29 {
30 struct number *n;
31
32 n = bmalloc(sizeof(*n));
33 n->scale = 0;
34 n->number = BN_new();
35 bn_checkp(n->number);
36 return n;
37 }
38
39 void
free_number(struct number * n)40 free_number(struct number *n)
41 {
42 BN_free(n->number);
43 free(n);
44 }
45
46 struct number *
dup_number(const struct number * a)47 dup_number(const struct number *a)
48 {
49 struct number *n;
50
51 n = bmalloc(sizeof(*n));
52 n->scale = a->scale;
53 n->number = BN_dup(a->number);
54 bn_checkp(n->number);
55 return n;
56 }
57
58 void *
bmalloc(size_t sz)59 bmalloc(size_t sz)
60 {
61 void *p;
62
63 p = malloc(sz);
64 if (p == NULL)
65 err(1, NULL);
66 return p;
67 }
68
69 void *
breallocarray(void * p,size_t nmemb,size_t size)70 breallocarray(void *p, size_t nmemb, size_t size)
71 {
72 void *q;
73
74 q = reallocarray(p, nmemb, size);
75 if (q == NULL)
76 err(1, NULL);
77 return q;
78 }
79
80 char *
bstrdup(const char * p)81 bstrdup(const char *p)
82 {
83 char *q;
84
85 q = strdup(p);
86 if (q == NULL)
87 err(1, NULL);
88 return q;
89 }
90
91 void
bn_check(int x)92 bn_check(int x)
93 {
94 if (x == 0) {
95 ERR_load_BN_strings();
96 errx(1, "BN failure: %s",
97 ERR_reason_error_string(ERR_get_error()));
98 }
99 }
100
101 void
bn_checkp(const void * p)102 bn_checkp(const void *p)
103 {
104 if (p == NULL) {
105 ERR_load_BN_strings();
106 errx(1, "BN failure: %s",
107 ERR_reason_error_string(ERR_get_error()));
108 }
109 }
110