1 |
/* |
2 |
* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd) |
3 |
* |
4 |
* Copyright (c) 1997-2015 ircd-hybrid development team |
5 |
* |
6 |
* This program is free software; you can redistribute it and/or modify |
7 |
* it under the terms of the GNU General Public License as published by |
8 |
* the Free Software Foundation; either version 2 of the License, or |
9 |
* (at your option) any later version. |
10 |
* |
11 |
* This program is distributed in the hope that it will be useful, |
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 |
* GNU General Public License for more details. |
15 |
* |
16 |
* You should have received a copy of the GNU General Public License |
17 |
* along with this program; if not, write to the Free Software |
18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 |
19 |
* USA |
20 |
*/ |
21 |
|
22 |
/*! \file memory.c |
23 |
* \brief Memory utilities. |
24 |
* \version $Id$ |
25 |
*/ |
26 |
|
27 |
#include "stdinc.h" |
28 |
#include "ircd_defs.h" |
29 |
#include "irc_string.h" |
30 |
#include "memory.h" |
31 |
#include "log.h" |
32 |
#include "restart.h" |
33 |
|
34 |
|
35 |
/* |
36 |
* MyCalloc - allocate memory, call outofmemory on failure |
37 |
*/ |
38 |
void * |
39 |
MyCalloc(size_t size) |
40 |
{ |
41 |
void *ret = calloc(1, size); |
42 |
|
43 |
if (ret == NULL) |
44 |
outofmemory(); |
45 |
|
46 |
return ret; |
47 |
} |
48 |
|
49 |
/* |
50 |
* MyRealloc - reallocate memory, call outofmemory on failure |
51 |
*/ |
52 |
void * |
53 |
MyRealloc(void *x, size_t y) |
54 |
{ |
55 |
void *ret = realloc(x, y); |
56 |
|
57 |
if (y && ret == NULL) |
58 |
outofmemory(); |
59 |
|
60 |
return ret; |
61 |
} |
62 |
|
63 |
void |
64 |
MyFree(void *x) |
65 |
{ |
66 |
free(x); |
67 |
} |
68 |
|
69 |
void * |
70 |
xstrdup(const char *s) |
71 |
{ |
72 |
void *ret = malloc(strlen(s) + 1); |
73 |
|
74 |
if (ret == NULL) |
75 |
outofmemory(); |
76 |
|
77 |
strcpy(ret, s); |
78 |
|
79 |
return ret; |
80 |
} |
81 |
|
82 |
void * |
83 |
xstrndup(const char *s, size_t len) |
84 |
{ |
85 |
void *ret = malloc(len + 1); |
86 |
|
87 |
if (ret == NULL) |
88 |
outofmemory(); |
89 |
|
90 |
strlcpy(ret, s, len + 1); |
91 |
|
92 |
return ret; |
93 |
} |
94 |
|
95 |
/* outofmemory() |
96 |
* |
97 |
* input - NONE |
98 |
* output - NONE |
99 |
* side effects - simply try to report there is a problem. |
100 |
* Abort if it was called more than once |
101 |
*/ |
102 |
void |
103 |
outofmemory(void) |
104 |
{ |
105 |
static int was_here = 0; |
106 |
|
107 |
if (was_here++) |
108 |
abort(); |
109 |
|
110 |
ilog(LOG_TYPE_IRCD, "Out of memory: restarting server..."); |
111 |
server_die("Out of Memory", SERVER_RESTART); |
112 |
} |