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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 | |
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" | |
42f11eb2 | 16 | RCSID("$OpenBSD: xmalloc.c,v 1.9 2001/01/21 19:06:02 markus Exp $"); |
8efc0c15 | 17 | |
42f11eb2 | 18 | #include "xmalloc.h" |
19 | #include "log.h" | |
8efc0c15 | 20 | |
5260325f | 21 | void * |
22 | xmalloc(size_t size) | |
8efc0c15 | 23 | { |
5260325f | 24 | void *ptr = malloc(size); |
25 | if (ptr == NULL) | |
26 | fatal("xmalloc: out of memory (allocating %d bytes)", (int) size); | |
27 | return ptr; | |
8efc0c15 | 28 | } |
29 | ||
5260325f | 30 | void * |
31 | xrealloc(void *ptr, size_t new_size) | |
8efc0c15 | 32 | { |
5260325f | 33 | void *new_ptr; |
34 | ||
35 | if (ptr == NULL) | |
36 | fatal("xrealloc: NULL pointer given as argument"); | |
37 | new_ptr = realloc(ptr, new_size); | |
38 | if (new_ptr == NULL) | |
39 | fatal("xrealloc: out of memory (new_size %d bytes)", (int) new_size); | |
40 | return new_ptr; | |
8efc0c15 | 41 | } |
42 | ||
6ae2364d | 43 | void |
5260325f | 44 | xfree(void *ptr) |
8efc0c15 | 45 | { |
5260325f | 46 | if (ptr == NULL) |
47 | fatal("xfree: NULL pointer given as argument"); | |
48 | free(ptr); | |
8efc0c15 | 49 | } |
50 | ||
5260325f | 51 | char * |
52 | xstrdup(const char *str) | |
8efc0c15 | 53 | { |
5260325f | 54 | int len = strlen(str) + 1; |
8efc0c15 | 55 | |
5260325f | 56 | char *cp = xmalloc(len); |
57 | strlcpy(cp, str, len); | |
58 | return cp; | |
8efc0c15 | 59 | } |