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Commit | Line | Data |
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8efc0c15 | 1 | /* |
5260325f | 2 | * Author: Tatu Ylonen <ylo@cs.hut.fi> |
3 | * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland | |
4 | * All rights reserved | |
5 | * Created: Mon Mar 20 21:23:10 1995 ylo | |
6 | * Versions of malloc and friends that check their results, and never return | |
7 | * failure (they call fatal if they encounter an error). | |
8 | */ | |
8efc0c15 | 9 | |
10 | #include "includes.h" | |
74fc9186 | 11 | RCSID("$OpenBSD: xmalloc.c,v 1.7 2000/06/20 01:39:45 markus Exp $"); |
8efc0c15 | 12 | |
13 | #include "ssh.h" | |
14 | ||
5260325f | 15 | void * |
16 | xmalloc(size_t size) | |
8efc0c15 | 17 | { |
5260325f | 18 | void *ptr = malloc(size); |
19 | if (ptr == NULL) | |
20 | fatal("xmalloc: out of memory (allocating %d bytes)", (int) size); | |
21 | return ptr; | |
8efc0c15 | 22 | } |
23 | ||
5260325f | 24 | void * |
25 | xrealloc(void *ptr, size_t new_size) | |
8efc0c15 | 26 | { |
5260325f | 27 | void *new_ptr; |
28 | ||
29 | if (ptr == NULL) | |
30 | fatal("xrealloc: NULL pointer given as argument"); | |
31 | new_ptr = realloc(ptr, new_size); | |
32 | if (new_ptr == NULL) | |
33 | fatal("xrealloc: out of memory (new_size %d bytes)", (int) new_size); | |
34 | return new_ptr; | |
8efc0c15 | 35 | } |
36 | ||
6ae2364d | 37 | void |
5260325f | 38 | xfree(void *ptr) |
8efc0c15 | 39 | { |
5260325f | 40 | if (ptr == NULL) |
41 | fatal("xfree: NULL pointer given as argument"); | |
42 | free(ptr); | |
8efc0c15 | 43 | } |
44 | ||
5260325f | 45 | char * |
46 | xstrdup(const char *str) | |
8efc0c15 | 47 | { |
5260325f | 48 | int len = strlen(str) + 1; |
8efc0c15 | 49 | |
5260325f | 50 | char *cp = xmalloc(len); |
51 | strlcpy(cp, str, len); | |
52 | return cp; | |
8efc0c15 | 53 | } |