File: libregf_key_descriptor.c

package info (click to toggle)
libevt 20240421-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 17,864 kB
  • sloc: ansic: 292,949; sh: 6,549; makefile: 1,786; python: 381; cpp: 171; sed: 16
file content (131 lines) | stat: -rw-r--r-- 3,045 bytes parent folder | download | duplicates (5)
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
/*
 * Key descriptor functions
 *
 * Copyright (C) 2009-2024, Joachim Metz <joachim.metz@gmail.com>
 *
 * Refer to AUTHORS for acknowledgements.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser 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 Lesser General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

#include <common.h>
#include <memory.h>
#include <types.h>

#include "libregf_key_descriptor.h"
#include "libregf_libcerror.h"

/* Creates a key descriptor
 * Make sure the value key_descriptor is referencing, is set to NULL
 * Returns 1 if successful or -1 on error
 */
int libregf_key_descriptor_initialize(
     libregf_key_descriptor_t **key_descriptor,
     libcerror_error_t **error )
{
	static char *function = "libregf_key_descriptor_initialize";

	if( key_descriptor == NULL )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
		 LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
		 "%s: invalid key descriptor.",
		 function );

		return( -1 );
	}
	if( *key_descriptor != NULL )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
		 "%s: invalid key descriptor value already set.",
		 function );

		return( -1 );
	}
	*key_descriptor = memory_allocate_structure(
	                   libregf_key_descriptor_t );

	if( *key_descriptor == NULL )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_MEMORY,
		 LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
		 "%s: unable to create key descriptor.",
		 function );

		goto on_error;
	}
	if( memory_set(
	     *key_descriptor,
	     0,
	     sizeof( libregf_key_descriptor_t ) ) == NULL )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_MEMORY,
		 LIBCERROR_MEMORY_ERROR_SET_FAILED,
		 "%s: unable to clear key descriptor.",
		 function );

		goto on_error;
	}
	return( 1 );

on_error:
	if( *key_descriptor != NULL )
	{
		memory_free(
		 *key_descriptor );

		*key_descriptor = NULL;
	}
	return( -1 );
}

/* Frees a key descriptor
 * Returns 1 if successful or -1 on error
 */
int libregf_key_descriptor_free(
     libregf_key_descriptor_t **key_descriptor,
     libcerror_error_t **error )
{
	static char *function = "libregf_key_descriptor_free";

	if( key_descriptor == NULL )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
		 LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
		 "%s: invalid key descriptor.",
		 function );

		return( -1 );
	}
	if( *key_descriptor != NULL )
	{
		memory_free(
		 *key_descriptor );

		*key_descriptor = NULL;
	}
	return( 1 );
}