/[svn]/ircd-hybrid-7.2/src/memory.c
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Contents of /ircd-hybrid-7.2/src/memory.c

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Revision 1011 - (show annotations)
Fri Sep 18 10:14:09 2009 UTC (11 years, 5 months ago) by michael
File MIME type: text/x-chdr
File size: 2248 byte(s)
- move list manipulation routines from tools.c to list.c
- mem_frob() goes to memory.c
- sort out redundant/unneeded header includes

1 /*
2 * ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3 * memory.c: Memory utilities.
4 *
5 * Copyright (C) 2002 by the past and present ircd coders, and others.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20 * USA
21 *
22 * $Id$
23 */
24
25
26 #include "stdinc.h"
27 #include "ircd_defs.h"
28 #include "irc_string.h"
29 #include "memory.h"
30 #include "s_log.h"
31 #include "restart.h"
32
33
34 /*
35 * MyMalloc - allocate memory, call outofmemory on failure
36 */
37 void *
38 MyMalloc(size_t size)
39 {
40 void *ret = calloc(1, size);
41
42 if (ret == NULL)
43 outofmemory();
44
45 return ret;
46 }
47
48 /*
49 * MyRealloc - reallocate memory, call outofmemory on failure
50 */
51 void *
52 MyRealloc(void *x, size_t y)
53 {
54 void *ret = realloc(x, y);
55
56 if (ret == NULL)
57 outofmemory();
58
59 return ret;
60 }
61
62 void
63 MyFree(void *x)
64 {
65 if (x)
66 free(x);
67 }
68
69 void
70 _DupString(char **x, const char *y)
71 {
72 (*x) = malloc(strlen(y) + 1);
73 strcpy((*x), y);
74 }
75
76 /* outofmemory()
77 *
78 * input - NONE
79 * output - NONE
80 * side effects - simply try to report there is a problem.
81 * Abort if it was called more than once
82 */
83 void
84 outofmemory(void)
85 {
86 static int was_here = 0;
87
88 if (was_here++)
89 abort();
90
91 ilog(L_CRIT, "Out of memory: restarting server...");
92 restart("Out of Memory");
93 }
94
95 #ifndef NDEBUG
96 /*
97 * frob some memory. debugging time.
98 * -- adrian
99 */
100 void
101 mem_frob(void *data, int len)
102 {
103 /* correct for Intel only! little endian */
104 unsigned char b[4] = { 0xef, 0xbe, 0xad, 0xde };
105 int i;
106 char *cdata = data;
107
108 for (i = 0; i < len; i++)
109 {
110 *cdata = b[i % 4];
111 cdata++;
112 }
113 }
114 #endif

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