]>
Commit | Line | Data |
---|---|---|
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 | |
5260325f | 5 | * Versions of malloc and friends that check their results, and never return |
6 | * failure (they call fatal if they encounter an error). | |
bcbf86ec | 7 | * |
8 | * As far as I am concerned, the code I have written for this software | |
9 | * can be used freely for any purpose. Any derived versions of this | |
10 | * software must be clearly marked as such, and if the derived work is | |
11 | * incompatible with the protocol description in the RFC file, it must be | |
12 | * called by a name other than "ssh" or "Secure Shell". | |
5260325f | 13 | */ |
8efc0c15 | 14 | |
15 | #include "includes.h" | |
bcbf86ec | 16 | RCSID("$OpenBSD: xmalloc.c,v 1.8 2000/09/07 20:27:55 deraadt Exp $"); |
8efc0c15 | 17 | |
18 | #include "ssh.h" | |
19 | ||
5260325f | 20 | void * |
21 | xmalloc(size_t size) | |
8efc0c15 | 22 | { |
5260325f | 23 | void *ptr = malloc(size); |
24 | if (ptr == NULL) | |
25 | fatal("xmalloc: out of memory (allocating %d bytes)", (int) size); | |
26 | return ptr; | |
8efc0c15 | 27 | } |
28 | ||
5260325f | 29 | void * |
30 | xrealloc(void *ptr, size_t new_size) | |
8efc0c15 | 31 | { |
5260325f | 32 | void *new_ptr; |
33 | ||
34 | if (ptr == NULL) | |
35 | fatal("xrealloc: NULL pointer given as argument"); | |
36 | new_ptr = realloc(ptr, new_size); | |
37 | if (new_ptr == NULL) | |
38 | fatal("xrealloc: out of memory (new_size %d bytes)", (int) new_size); | |
39 | return new_ptr; | |
8efc0c15 | 40 | } |
41 | ||
6ae2364d | 42 | void |
5260325f | 43 | xfree(void *ptr) |
8efc0c15 | 44 | { |
5260325f | 45 | if (ptr == NULL) |
46 | fatal("xfree: NULL pointer given as argument"); | |
47 | free(ptr); | |
8efc0c15 | 48 | } |
49 | ||
5260325f | 50 | char * |
51 | xstrdup(const char *str) | |
8efc0c15 | 52 | { |
5260325f | 53 | int len = strlen(str) + 1; |
8efc0c15 | 54 | |
5260325f | 55 | char *cp = xmalloc(len); |
56 | strlcpy(cp, str, len); | |
57 | return cp; | |
8efc0c15 | 58 | } |