1 /* Determine fill pattern for a section.
2 Copyright (C) 2002 Red Hat, Inc.
3 Written by Ulrich Drepper <drepper@redhat.com>, 2002.
4
5 This program is Open Source software; you can redistribute it and/or
6 modify it under the terms of the Open Software License version 1.0 as
7 published by the Open Source Initiative.
8
9 You should have received a copy of the Open Software License along
10 with this program; if not, you may obtain a copy of the Open Software
11 License version 1.0 from http://www.opensource.org/licenses/osl.php or
12 by writing the Open Source Initiative c/o Lawrence Rosen, Esq.,
13 3001 King Ranch Road, Ukiah, CA 95482. */
14
15 #ifdef HAVE_CONFIG_H
16 # include <config.h>
17 #endif
18
19 #include <stdlib.h>
20 #include <string.h>
21
22 #include <libasmP.h>
23 #include <system.h>
24
25
26 int
asm_fill(asmscn,bytes,len)27 asm_fill (asmscn, bytes, len)
28 AsmScn_t *asmscn;
29 void *bytes;
30 size_t len;
31 {
32 struct FillPattern *pattern;
33 struct FillPattern *old_pattern;
34
35 if (asmscn == NULL)
36 /* Some earlier error. */
37 return -1;
38
39 if (bytes == NULL)
40 /* Use the default pattern. */
41 pattern = (struct FillPattern *) __libasm_default_pattern;
42 else
43 {
44 /* Allocate appropriate memory. */
45 pattern = (struct FillPattern *) malloc (sizeof (struct FillPattern)
46 + len);
47 if (pattern == NULL)
48 return -1;
49
50 pattern->len = len;
51 memcpy (pattern->bytes, bytes, len);
52 }
53
54 old_pattern = asmscn->pattern;
55 asmscn->pattern = pattern;
56
57 /* Free the old data structure if we have allocated it. */
58 if (old_pattern != __libasm_default_pattern)
59 free (old_pattern);
60
61 return 0;
62 }
63