xref: /freebsd/contrib/ntp/sntp/libopts/option-xat-attribute.c (revision fe75646a0234a261c0013bf1840fdac4acaf0cec)
1 /*   -*- buffer-read-only: t -*- vi: set ro:
2  *
3  *  DO NOT EDIT THIS FILE   (stdin.c)
4  *
5  *  It has been AutoGen-ed
6  *  From the definitions    stdin
7  *  and the template file   str2enum
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. Neither the name ``Bruce Korb'' nor the name of any other
18  *    contributor may be used to endorse or promote products derived
19  *    from this software without specific prior written permission.
20  *
21  * str2enum IS PROVIDED BY Bruce Korb ``AS IS'' AND ANY EXPRESS
22  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL Bruce Korb OR ANY OTHER CONTRIBUTORS
25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
28  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
31  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 #include "option-xat-attribute.h"
34 /* ANSI-C code produced by gperf version 3.1 */
35 /* Command-line: gperf option-xat-attribute.gp  */
36 /* Computed positions: -k'1' */
37 
38 
39 
40 # if 0 /* gperf build options: */
41 // %struct-type
42 // %language=ANSI-C
43 // %includes
44 // %global-table
45 // %omit-struct-type
46 // %readonly-tables
47 // %compare-strncmp
48 //
49 // %define slot-name               xat_name
50 // %define hash-function-name      option_xat_attribute_hash
51 // %define lookup-function-name    find_option_xat_attribute_name
52 // %define word-array-name         option_xat_attribute_table
53 // %define initializer-suffix      ,XAT_COUNT_CMD
54 //
55 # endif
56 
57 #include "option-xat-attribute.h"
58 typedef struct {
59     char const *    xat_name;
60     option_xat_attribute_enum_t xat_id;
61 } option_xat_attribute_map_t;
62 #include <string.h>
63 
64 /* maximum key range = 6, duplicates = 0 */
65 
66 static unsigned int
67 option_xat_attribute_hash (register const char *str, register size_t len)
68 {
69   static const unsigned char asso_values[] =
70     {
71      10,10,10,10,10,10,10,10,10,10,
72      10,10,10,10,10,10,10,10,10,10,
73      10,10,10,10,10,10,10,10,10,10,
74      10,10,10,10,10,10,10,10,10,10,
75      10,10,10,10,10,10,10,10,10,10,
76      10,10,10,10,10,10,10,10,10,10,
77      10,10,10,10,10,10,10,10,10,10,
78      10,10,10,10,10,10,10,10,10,10,
79      10,10,10,10,10,10,10,10,10,10,
80      10,10,10,10,10,10,10,10,10, 0,
81      10,10,10,10,10,10,10, 5,10, 0,
82      10,10,10,10,10,10, 0, 0,10, 0,
83      10,10,10,10,10,10,10,10,10,10,
84      10,10,10,10,10,10,10,10,10,10,
85      10,10,10,10,10,10,10,10,10,10,
86      10,10,10,10,10,10,10,10,10,10,
87      10,10,10,10,10,10,10,10,10,10,
88      10,10,10,10,10,10,10,10,10,10,
89      10,10,10,10,10,10,10,10,10,10,
90      10,10,10,10,10,10,10,10,10,10,
91      10,10,10,10,10,10,10,10,10,10,
92      10,10,10,10,10,10,10,10,10,10,
93      10,10,10,10,10,10,10,10,10,10,
94      10,10,10,10,10,10,10,10,10,10,
95      10,10,10,10,10,10,10,10,10,10,
96      10,10,10,10,10,10
97     };
98   return len + asso_values[(unsigned char)str[0]];
99 }
100 
101 static const option_xat_attribute_map_t option_xat_attribute_table[] =
102   {
103     {"",XAT_COUNT_CMD}, {"",XAT_COUNT_CMD},
104     {"",XAT_COUNT_CMD}, {"",XAT_COUNT_CMD},
105     {"type",     XAT_CMD_TYPE},
106     {"words",    XAT_CMD_WORDS},
107     {"cooked",   XAT_CMD_COOKED},
108     {"members",  XAT_CMD_MEMBERS},
109     {"uncooked", XAT_CMD_UNCOOKED},
110     {"keep",     XAT_CMD_KEEP}
111   };
112 
113 static inline const option_xat_attribute_map_t *
114 find_option_xat_attribute_name (register const char *str, register size_t len)
115 {
116   if (len <= 8 && len >= 4)
117     {
118       register unsigned int key = (int)option_xat_attribute_hash (str, len);
119 
120       if (key <= 9)
121         {
122           register const char *s = option_xat_attribute_table[key].xat_name;
123 
124           if (*str == *s && !strncmp (str + 1, s + 1, len - 1) && s[len] == '\0')
125             return &option_xat_attribute_table[key];
126         }
127     }
128   return 0;
129 }
130 
131 /**
132  * Convert a command (keyword) to a option_xat_attribute_enum_t enumeration value.
133  *
134  * @param[in] str   a string that should start with a known key word.
135  * @param[in] len   the provided length of the keyword at \a str.
136  * @returns the enumeration value.
137  * If not found, that value is XAT_INVALID_CMD.
138  */
139 option_xat_attribute_enum_t
140 find_option_xat_attribute_cmd(char const * str, size_t len)
141 {
142     option_xat_attribute_map_t const * map;
143 
144     map = find_option_xat_attribute_name(str, (unsigned int)len);
145     return (map == NULL) ? XAT_INVALID_CMD : map->xat_id;
146 }
147 
148 /* end of option-xat-attribute.c */
149