Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame^] | 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 |
| 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 | } |