1 /* Copyright (C) 2007-2010 Open Information Security Foundation
2 *
3 * You can copy, redistribute or modify this Program under the terms of
4 * the GNU General Public License version 2 as published by the Free
5 * Software Foundation.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License
13 * version 2 along with this program; if not, write to the Free Software
14 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
15 * 02110-1301, USA.
16 */
17
18 /**
19 * \file
20 *
21 * \author Anoop Saldanha <anoopsaldanha@gmail.com>
22 */
23
24 #include "suricata-common.h"
25
26 #include "util-enum.h"
27 #include "util-debug.h"
28
29 /**
30 * \brief Maps a string name to an enum value from the supplied table. Please
31 * specify the last element of any map table with a {NULL, -1}. If
32 * missing, you will be welcomed with a segfault :)
33 *
34 * \param enum_name Character string that has to be mapped to an enum value
35 * from the table
36 * \param table Enum-Char table, from which the mapping is retrieved
37 *
38 * \retval result The enum_value for the enum_name string or -1 on failure
39 */
SCMapEnumNameToValue(const char * enum_name,SCEnumCharMap * table)40 int SCMapEnumNameToValue(const char *enum_name, SCEnumCharMap *table)
41 {
42 int result = -1;
43
44 if (enum_name == NULL || table == NULL) {
45 SCLogDebug("Invalid argument(s) passed into SCMapEnumNameToValue");
46 return -1;
47 }
48
49 for (; table->enum_name != NULL; table++) {
50 if (strcasecmp(table->enum_name, enum_name) == 0) {
51 result = table->enum_value;
52 break;
53 }
54 }
55
56 return result;
57 }
58
59 /**
60 * \brief Maps an enum value to a string name, from the supplied table
61 *
62 * \param enum_value Enum_value that has to be mapped to a string_value
63 * from the table
64 * \param table Enum-Char table, from which the mapping is retrieved
65 *
66 * \retval result The enum_name for the enum_value supplied or NULL on failure
67 */
SCMapEnumValueToName(int enum_value,SCEnumCharMap * table)68 const char * SCMapEnumValueToName(int enum_value, SCEnumCharMap *table)
69 {
70 if (table == NULL) {
71 SCLogDebug("Invalid argument(s) passed into SCMapEnumValueToName");
72 return NULL;
73 }
74
75 for (; table->enum_name != NULL; table++) {
76 if (table->enum_value == enum_value) {
77 return table->enum_name;
78 }
79 }
80
81 SCLogDebug("A enum by the value %d doesn't exist in this table", enum_value);
82
83 return NULL;
84 }
85