/[mcrypt]/libmcrypt/lib/xmemory.c
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Contents of /libmcrypt/lib/xmemory.c

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Revision 1.3 - (show annotations)
Thu May 17 18:58:20 2001 UTC (19 years, 11 months ago) by nmav
Branch: MAIN
CVS Tags: libmcrypt_2_4_15, libmcrypt_2_4_16, mcrypt_2_4_20, mcrypt_2_4_12, libmcrypt_2_4_16b, libmcrypt_2_5_3, libmcrypt_2_5_2, libmcrypt_2_5_0, libmcrypt_2_5_7, libmcrypt_2_5_6, libmcrypt_2_5_5, libmcrypt_2_5_4, libmcrypt_2_4_17, libmcrypt_2_5_5rc1, libmcrypt_2_4_21, mcrypt_2_4_13, HEAD
Changes since 1.2: +1 -2 lines
File MIME type: text/plain
fixes to work with the new libltdl

1 /*
2 * Copyright (C) 1998,1999 Nikos Mavroyanopoulos
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
18 */
19
20 /* $Id: xmemory.c,v 1.2 2001/01/23 11:51:19 nmav Exp $ */
21
22 #ifndef LIBDEFS_H
23 # define LIBDEFS_H
24 # include <libdefs.h>
25 #endif
26 #include <bzero.h>
27
28 #ifdef HAVE_MLOCK
29 # ifdef HAVE_SYS_MMAN_H
30 # include <sys/mman.h>
31 # endif
32 #endif
33
34 #ifdef HAVE_MLOCK
35 void LOCKMEM(void *x, size_t size)
36 {
37 mlock(x, size);
38 }
39
40 # define UNLOCKMEM(x,y) munlock(x,y)
41 #else
42 # define LOCKMEM(x,y)
43 # define UNLOCKMEM(x,y)
44 #endif
45
46 #include <bzero.h>
47
48 /* memory allocation */
49
50 void *mxmalloc(size_t size)
51 {
52 char *x;
53
54 x = malloc(size);
55
56 if (x != NULL) {
57 LOCKMEM(x, size);
58 return x;
59 }
60 return NULL;
61 }
62
63 void *mxcalloc(size_t nmemb, size_t size)
64 {
65 char *x;
66
67 x = calloc(nmemb, size);
68 if (x != NULL) {
69 LOCKMEM(x, size);
70 return x;
71 }
72 return NULL;
73 }
74
75 void *mxrealloc(void *ptr, size_t size)
76 {
77 char *x;
78
79 x = realloc(ptr, size);
80 if (x != NULL) {
81 LOCKMEM(x, size);
82 return x;
83 }
84 return NULL;
85 }
86
87
88 void mxfree(void *ptr, size_t size)
89 {
90
91 Bzero(ptr, size);
92 UNLOCKMEM(ptr, size);
93 free(ptr);
94
95 }

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