Annotation of embedaddon/libpdel/structs/type/structs_type_id.c, revision 1.1.1.1
1.1 misho 1:
2: /*
3: * Copyright (c) 2001-2002 Packet Design, LLC.
4: * All rights reserved.
5: *
6: * Subject to the following obligations and disclaimer of warranty,
7: * use and redistribution of this software, in source or object code
8: * forms, with or without modifications are expressly permitted by
9: * Packet Design; provided, however, that:
10: *
11: * (i) Any and all reproductions of the source or object code
12: * must include the copyright notice above and the following
13: * disclaimer of warranties; and
14: * (ii) No rights are granted, in any manner or form, to use
15: * Packet Design trademarks, including the mark "PACKET DESIGN"
16: * on advertising, endorsements, or otherwise except as such
17: * appears in the above copyright notice or in the software.
18: *
19: * THIS SOFTWARE IS BEING PROVIDED BY PACKET DESIGN "AS IS", AND
20: * TO THE MAXIMUM EXTENT PERMITTED BY LAW, PACKET DESIGN MAKES NO
21: * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING
22: * THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED
23: * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
24: * OR NON-INFRINGEMENT. PACKET DESIGN DOES NOT WARRANT, GUARANTEE,
25: * OR MAKE ANY REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS
26: * OF THE USE OF THIS SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY,
27: * RELIABILITY OR OTHERWISE. IN NO EVENT SHALL PACKET DESIGN BE
28: * LIABLE FOR ANY DAMAGES RESULTING FROM OR ARISING OUT OF ANY USE
29: * OF THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY DIRECT,
30: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, PUNITIVE, OR CONSEQUENTIAL
31: * DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, LOSS OF
32: * USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY THEORY OF
33: * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
35: * THE USE OF THIS SOFTWARE, EVEN IF PACKET DESIGN IS ADVISED OF
36: * THE POSSIBILITY OF SUCH DAMAGE.
37: *
38: * Author: Archie Cobbs <archie@freebsd.org>
39: */
40:
41: #include <sys/types.h>
42:
43: #include <stdio.h>
44: #include <stdlib.h>
45: #include <stdarg.h>
46: #include <string.h>
47: #include <assert.h>
48: #include <errno.h>
49:
50: #include "structs/structs.h"
51: #include "structs/type/array.h"
52: #include "structs/type/id.h"
53: #include "util/typed_mem.h"
54:
55: /*********************************************************************
56: IDENTIFIER TYPES
57: *********************************************************************/
58:
59: int
60: structs_id_init(const struct structs_type *type, void *data)
61: {
62: const struct structs_id *const ids = type->args[0].v;
63:
64: switch (type->size) {
65: case 1:
66: {
67: const u_int8_t value = (u_int8_t)ids[0].value;
68:
69: memcpy(data, &value, type->size);
70: break;
71: }
72: case 2:
73: {
74: const u_int16_t value = (u_int16_t)ids[0].value;
75:
76: memcpy(data, &value, type->size);
77: break;
78: }
79: case 4:
80: {
81: const u_int32_t value = (u_int32_t)ids[0].value;
82:
83: memcpy(data, &value, type->size);
84: break;
85: }
86: default:
87: assert(0);
88: }
89: return (0);
90: }
91:
92: char *
93: structs_id_ascify(const struct structs_type *type,
94: const char *mtype, const void *data)
95: {
96: const struct structs_id *id;
97: u_int32_t value = 0;
98:
99: switch (type->size) {
100: case 1:
101: value = *((u_int8_t *)data);
102: break;
103: case 2:
104: value = *((u_int16_t *)data);
105: break;
106: case 4:
107: value = *((u_int32_t *)data);
108: break;
109: default:
110: assert(0);
111: }
112: for (id = type->args[0].v; id->id != NULL; id++) {
113: if (value == id->value)
114: return (STRDUP(mtype, id->id));
115: }
116: return (STRDUP(mtype, "INVALID"));
117: }
118:
119: int
120: structs_id_binify(const struct structs_type *type,
121: const char *ascii, void *data, char *ebuf, size_t emax)
122: {
123: const struct structs_id *id;
124:
125: for (id = type->args[0].v; id->id != NULL; id++) {
126: int (*const cmp)(const char *, const char *)
127: = id->imatch ? strcasecmp : strcmp;
128:
129: if ((*cmp)(ascii, id->id) == 0) {
130: switch (type->size) {
131: case 1:
132: *((u_int8_t *)data) = id->value;
133: break;
134: case 2:
135: *((u_int16_t *)data) = id->value;
136: break;
137: case 4:
138: *((u_int32_t *)data) = id->value;
139: break;
140: default:
141: assert(0);
142: }
143: return (0);
144: }
145: }
146: snprintf(ebuf, emax, "invalid value \"%s\"", ascii);
147: errno = EINVAL;
148: return (-1);
149: }
150:
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