2 Unix SMB/CIFS implementation.
3 Easy management of byte-length data
4 Copyright (C) Andrew Tridgell 2001
5 Copyright (C) Andrew Bartlett 2001
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.
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.
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., 675 Mass Ave, Cambridge, MA 02139, USA.
24 /*******************************************************************
26 *******************************************************************/
28 static void free_data_blob(DATA_BLOB *d)
30 if ((d) && (d->free)) {
35 /*******************************************************************
36 Construct a data blob, must be freed with data_blob_free().
37 You can pass NULL for p and get a blank data blob
38 *******************************************************************/
40 DATA_BLOB data_blob(const void *p, size_t length)
50 ret.data = smb_xmemdup(p, length);
52 ret.data = SMB_XMALLOC_ARRAY(unsigned char, length);
55 ret.free = free_data_blob;
59 /*******************************************************************
60 Construct a data blob, using supplied TALLOC_CTX.
61 *******************************************************************/
63 DATA_BLOB data_blob_talloc(TALLOC_CTX *mem_ctx, const void *p, size_t length)
73 ret.data = TALLOC_MEMDUP(mem_ctx, p, length);
75 smb_panic("data_blob_talloc: talloc_memdup failed.\n");
77 ret.data = TALLOC(mem_ctx, length);
79 smb_panic("data_blob_talloc: talloc failed.\n");
87 /*******************************************************************
89 *******************************************************************/
91 void data_blob_free(DATA_BLOB *d)
101 /*******************************************************************
102 Clear a DATA_BLOB's contents
103 *******************************************************************/
105 static void data_blob_clear(DATA_BLOB *d)
108 memset(d->data, 0, d->length);
112 /*******************************************************************
113 Free a data blob and clear its contents
114 *******************************************************************/
116 void data_blob_clear_free(DATA_BLOB *d)