/usr/include/samba-4.0/util/data_blob.h is in libsamba-util-dev 4.0.0~alpha18.dfsg1-4ubuntu2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 | /*
Unix SMB/CIFS implementation.
DATA BLOB
Copyright (C) Andrew Tridgell 2001
Copyright (C) Andrew Bartlett 2001
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* This is a public header file that is installed as part of Samba.
* If you remove any functions or change their signature, update
* the so version number. */
#ifndef _SAMBA_DATABLOB_H_
#define _SAMBA_DATABLOB_H_
#ifndef _PUBLIC_
#define _PUBLIC_
#endif
#include <talloc.h>
#include <stdint.h>
/* used to hold an arbitrary blob of data */
typedef struct datablob {
uint8_t *data;
size_t length;
} DATA_BLOB;
struct data_blob_list_item {
struct data_blob_list_item *prev,*next;
DATA_BLOB blob;
};
/* by making struct ldb_val and DATA_BLOB the same, we can simplify
a fair bit of code */
#define ldb_val datablob
#define data_blob(ptr, size) data_blob_named(ptr, size, "DATA_BLOB: "__location__)
#define data_blob_talloc(ctx, ptr, size) data_blob_talloc_named(ctx, ptr, size, "DATA_BLOB: "__location__)
#define data_blob_dup_talloc(ctx, blob) data_blob_talloc_named(ctx, (blob).data, (blob).length, "DATA_BLOB: "__location__)
/**
construct a data blob, must be freed with data_blob_free()
you can pass NULL for p and get a blank data blob
**/
_PUBLIC_ DATA_BLOB data_blob_named(const void *p, size_t length, const char *name);
/**
construct a data blob, using supplied TALLOC_CTX
**/
_PUBLIC_ DATA_BLOB data_blob_talloc_named(TALLOC_CTX *mem_ctx, const void *p, size_t length, const char *name);
/**
construct a zero data blob, using supplied TALLOC_CTX.
use this sparingly as it initialises data - better to initialise
yourself if you want specific data in the blob
**/
_PUBLIC_ DATA_BLOB data_blob_talloc_zero(TALLOC_CTX *mem_ctx, size_t length);
/**
free a data blob
**/
_PUBLIC_ void data_blob_free(DATA_BLOB *d);
/**
clear a DATA_BLOB's contents
**/
_PUBLIC_ void data_blob_clear(DATA_BLOB *d);
/**
free a data blob and clear its contents
**/
_PUBLIC_ void data_blob_clear_free(DATA_BLOB *d);
/**
check if two data blobs are equal
**/
_PUBLIC_ int data_blob_cmp(const DATA_BLOB *d1, const DATA_BLOB *d2);
/**
print the data_blob as hex string
**/
_PUBLIC_ char *data_blob_hex_string_upper(TALLOC_CTX *mem_ctx, const DATA_BLOB *blob);
/**
print the data_blob as hex string
**/
_PUBLIC_ char *data_blob_hex_string_lower(TALLOC_CTX *mem_ctx, const DATA_BLOB *blob);
/**
useful for constructing data blobs in test suites, while
avoiding const warnings
**/
_PUBLIC_ DATA_BLOB data_blob_string_const(const char *str);
/**
useful for constructing data blobs in test suites, while
avoiding const warnings
includes the terminating null character (as opposed to data_blo_string_const)
**/
_PUBLIC_ DATA_BLOB data_blob_string_const_null(const char *str);
/**
* Create a new data blob from const data
*/
_PUBLIC_ DATA_BLOB data_blob_const(const void *p, size_t length);
/**
realloc a data_blob
**/
_PUBLIC_ bool data_blob_realloc(TALLOC_CTX *mem_ctx, DATA_BLOB *blob, size_t length);
/**
append some data to a data blob
**/
_PUBLIC_ bool data_blob_append(TALLOC_CTX *mem_ctx, DATA_BLOB *blob,
const void *p, size_t length);
extern const DATA_BLOB data_blob_null;
#endif /* _SAMBA_DATABLOB_H_ */
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