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737780384c
It's only used in dcesrv_call_state. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Michael Adam <obnox@samba.org>
132 lines
3.7 KiB
C
132 lines
3.7 KiB
C
/*
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Unix SMB/CIFS implementation.
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DATA BLOB
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Copyright (C) Andrew Tridgell 2001
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Copyright (C) Andrew Bartlett 2001
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* This is a public header file that is installed as part of Samba.
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* If you remove any functions or change their signature, update
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* the so version number. */
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#ifndef _SAMBA_DATABLOB_H_
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#define _SAMBA_DATABLOB_H_
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#ifndef _PUBLIC_
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#define _PUBLIC_
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#endif
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#include <talloc.h>
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#include <stdbool.h>
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#include <stdint.h>
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/* used to hold an arbitrary blob of data */
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typedef struct datablob {
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uint8_t *data;
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size_t length;
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} DATA_BLOB;
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/* by making struct ldb_val and DATA_BLOB the same, we can simplify
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a fair bit of code */
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#define ldb_val datablob
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#define data_blob(ptr, size) data_blob_named(ptr, size, "DATA_BLOB: " __location__)
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#define data_blob_talloc(ctx, ptr, size) data_blob_talloc_named(ctx, ptr, size, "DATA_BLOB: " __location__)
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#define data_blob_dup_talloc(ctx, blob) data_blob_talloc_named(ctx, (blob).data, (blob).length, "DATA_BLOB: " __location__)
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/**
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construct a data blob, must be freed with data_blob_free()
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you can pass NULL for p and get a blank data blob
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**/
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_PUBLIC_ DATA_BLOB data_blob_named(const void *p, size_t length, const char *name);
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/**
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construct a data blob, using supplied TALLOC_CTX
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**/
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_PUBLIC_ DATA_BLOB data_blob_talloc_named(TALLOC_CTX *mem_ctx, const void *p, size_t length, const char *name);
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/**
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construct a zero data blob, using supplied TALLOC_CTX.
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use this sparingly as it initialises data - better to initialise
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yourself if you want specific data in the blob
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**/
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_PUBLIC_ DATA_BLOB data_blob_talloc_zero(TALLOC_CTX *mem_ctx, size_t length);
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/**
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free a data blob
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**/
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_PUBLIC_ void data_blob_free(DATA_BLOB *d);
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/**
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clear a DATA_BLOB's contents
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**/
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_PUBLIC_ void data_blob_clear(DATA_BLOB *d);
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/**
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free a data blob and clear its contents
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**/
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_PUBLIC_ void data_blob_clear_free(DATA_BLOB *d);
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/**
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check if two data blobs are equal
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**/
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_PUBLIC_ int data_blob_cmp(const DATA_BLOB *d1, const DATA_BLOB *d2);
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/**
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print the data_blob as hex string
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**/
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_PUBLIC_ char *data_blob_hex_string_upper(TALLOC_CTX *mem_ctx, const DATA_BLOB *blob);
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/**
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print the data_blob as hex string
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**/
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_PUBLIC_ char *data_blob_hex_string_lower(TALLOC_CTX *mem_ctx, const DATA_BLOB *blob);
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/**
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useful for constructing data blobs in test suites, while
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avoiding const warnings
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**/
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_PUBLIC_ DATA_BLOB data_blob_string_const(const char *str);
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/**
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useful for constructing data blobs in test suites, while
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avoiding const warnings
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includes the terminating null character (as opposed to data_blo_string_const)
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**/
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_PUBLIC_ DATA_BLOB data_blob_string_const_null(const char *str);
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/**
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* Create a new data blob from const data
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*/
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_PUBLIC_ DATA_BLOB data_blob_const(const void *p, size_t length);
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/**
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realloc a data_blob
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**/
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_PUBLIC_ bool data_blob_realloc(TALLOC_CTX *mem_ctx, DATA_BLOB *blob, size_t length);
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/**
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append some data to a data blob
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**/
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_PUBLIC_ bool data_blob_append(TALLOC_CTX *mem_ctx, DATA_BLOB *blob,
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const void *p, size_t length);
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extern const DATA_BLOB data_blob_null;
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#endif /* _SAMBA_DATABLOB_H_ */
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