1 /* $OpenBSD: mem.c,v 1.3 2003/10/18 20:34:26 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 #ifndef lint 20 static const char rcsid[] = "$OpenBSD: mem.c,v 1.3 2003/10/18 20:34:26 otto Exp $"; 21 #endif /* not lint */ 22 23 #include <ssl/err.h> 24 25 #include <err.h> 26 #include <stdlib.h> 27 #include <string.h> 28 29 #include "extern.h" 30 31 struct number * 32 new_number(void) 33 { 34 struct number *n; 35 36 n = bmalloc(sizeof(*n)); 37 n->scale = 0; 38 n->number = BN_new(); 39 if (n->number == NULL) 40 err(1, NULL); 41 return n; 42 } 43 44 void 45 free_number(struct number *n) 46 { 47 BN_free(n->number); 48 free(n); 49 } 50 51 struct number * 52 dup_number(const struct number *a) 53 { 54 struct number *n; 55 56 n = bmalloc(sizeof(*n)); 57 n->scale = a->scale; 58 n->number = BN_dup(a->number); 59 bn_checkp(n->number); 60 return n; 61 } 62 63 void * 64 bmalloc(size_t sz) 65 { 66 void *p; 67 68 p = malloc(sz); 69 if (p == NULL) 70 err(1, NULL); 71 return p; 72 } 73 74 void * 75 brealloc(void *p, size_t sz) 76 { 77 void *q; 78 79 q = realloc(p, sz); 80 if (q == NULL) { 81 free(p); 82 err(1, NULL); 83 } 84 return q; 85 } 86 87 char * 88 bstrdup(const char *p) 89 { 90 char *q; 91 92 q = strdup(p); 93 if (q == NULL) 94 err(1, NULL); 95 return q; 96 } 97 98 void 99 bn_check(int x) \ 100 { 101 if (x == 0) 102 err(1, "big number failure %lx", ERR_get_error()); 103 } 104 105 void 106 bn_checkp(const void *p) \ 107 { 108 if (p == NULL) 109 err(1, "allocation failure %lx", ERR_get_error()); 110 } 111