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comparison src/gpf/ccd/asn1_bitstr.c @ 5:1ea54a97e831

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src/gpf: import of Magnetite src/gpf3
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 15 Jul 2018 08:11:07 +0000
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4:6e457872f745 5:1ea54a97e831
1 /*
2 +-----------------------------------------------------------------------------
3 | Project :
4 | Modul : asn1_bitstr.c
5 +-----------------------------------------------------------------------------
6 | Copyright 2002 Texas Instruments Berlin, AG
7 | All rights reserved.
8 |
9 | This file is confidential and a trade secret of Texas
10 | Instruments Berlin, AG
11 | The receipt of or possession of this file does not convey
12 | any rights to reproduce or disclose its contents or to
13 | manufacture, use, or sell anything it may describe, in
14 | whole, or in part, without the specific written consent of
15 | Texas Instruments Berlin, AG.
16 +-----------------------------------------------------------------------------
17 | Purpose : Definition of encoding and decoding functions for ASN1_BITSTRING
18 | elements
19 +-----------------------------------------------------------------------------
20 */
21
22 /*
23 * Standard definitions like UCHAR, ERROR etc.
24 */
25 #include "typedefs.h"
26 #include "header.h"
27
28 /*
29 * Prototypes of ccd (USE_DRIVER EQ undef) for prototypes only
30 * look at ccdapi.h
31 */
32 #undef USE_DRIVER
33 #include "ccdapi.h"
34
35 /*
36 * Types and functions for bit access and manipulation
37 */
38 #include "ccd_globs.h"
39 #include "bitfun.h"
40
41 /*
42 * Prototypes of ccd internal functions
43 */
44 #include "ccd.h"
45
46 /*
47 * Declaration of coder/decoder tables
48 */
49 #include "ccdtable.h"
50 #include "ccddata.h"
51
52 #ifndef RUN_INT_RAM
53 /*
54 +--------------------------------------------------------------------+
55 | PROJECT : CCD (6144) MODULE : CDC_GSM |
56 | STATE : code ROUTINE : cdc_bitstring_decode |
57 +--------------------------------------------------------------------+
58
59 PURPOSE : UNALIGNED PER decoding of the bit string type (UMTS)
60 The coded bits are preceded by a length indicator, if
61 they are not of fixed length. The length indicator is
62 decoded as an ASN1_INTEGER type.
63 */
64
65 SHORT cdc_bitstring_decode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs)
66 {
67 ULONG repeat;
68 U8 *old_pstruct = NULL;
69
70 #ifdef DEBUG_CCD
71 #ifndef CCD_SYMBOLS
72 TRACE_CCD (globs, "cdc_asn1_bitstring_decode()");
73 #else
74 TRACE_CCD (globs, "cdc_asn1_bitstring_decode() '%s'", ccddata_get_alias((USHORT) e_ref, 1));
75 #endif
76 #endif
77
78 /*
79 * Set pstrcutOffs and maxRep.
80 * Check the valid flag in case of optional elements.
81 */
82 if (PER_CommonBegin (e_ref, &repeat, globs) NEQ ccdOK)
83 return 1;
84
85 #ifdef DYNAMIC_ARRAYS
86 /*
87 * Check for pointer types, and allocate memory if necessary.
88 * May overwrite globs->pstruct (and initialize globs->pstructOffs to 0).
89 */
90 if ( is_pointer_type(e_ref) ) {
91 old_pstruct = globs->pstruct;
92 if ( PER_allocmem_and_update(e_ref, (USHORT) ((repeat >> 3) +1), globs) NEQ ccdOK)
93 /* No memory - Return. Error already set in function call above. */
94 return 1;
95 }
96 #endif
97
98 bf_readBitStr_PER ((USHORT) repeat, globs);
99
100 #ifdef DYNAMIC_ARRAYS
101 if (old_pstruct NEQ NULL)
102 globs->pstruct = old_pstruct;
103 #endif
104
105 return 1;
106 }
107
108 #endif /* !RUN_INT_RAM */
109 #ifndef RUN_INT_RAM
110
111 /*
112 +--------------------------------------------------------------------+
113 | PROJECT : CCD (6144) MODULE : CDC_GSM |
114 | STATE : code ROUTINE : cdc_bitstring_encode |
115 +--------------------------------------------------------------------+
116
117 PURPOSE : UNALIGNED PER encoding of the bit string type (UMTS)
118 The coded bits are preceded by a length indicator, if
119 they are not of fixed length. The length indicator is
120 decoded as an ASN1_INTEGER type.
121 */
122
123 SHORT cdc_bitstring_encode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs)
124 {
125 ULONG repeat;
126 U8 *old_pstruct = NULL;
127
128 #ifdef DEBUG_CCD
129 #ifndef CCD_SYMBOLS
130 TRACE_CCD (globs, "cdc_asn1_bitstring_encode()");
131 #else
132 TRACE_CCD (globs, "cdc_asn1_bitstring_encode() '%s'", ccddata_get_alias((USHORT) e_ref, 1));
133 #endif
134 #endif
135
136 /*
137 * Set pstructOffs and maxRep.
138 * Check the valid flag in case of optional elements.
139 */
140 if (PER_CommonBegin (e_ref, &repeat, globs) NEQ ccdOK)
141 return 1;
142
143 #ifdef DYNAMIC_ARRAYS
144 if ( is_pointer_type(e_ref) ) {
145 old_pstruct = globs->pstruct;
146 globs->pstruct = *(U8 **)(globs->pstruct + globs->pstructOffs);
147
148 if (ccd_check_pointer(globs->pstruct) == ccdOK)
149 {
150 globs->pstructOffs = 0;
151 }
152 else
153 {
154 ccd_recordFault (globs, ERR_INVALID_PTR, BREAK, (USHORT) e_ref,
155 &globs->pstruct[globs->pstructOffs]);
156 return 1;
157 }
158 }
159 #endif
160
161 bf_writeBitStr_PER ((USHORT) repeat, globs);
162
163 #ifdef DYNAMIC_ARRAYS
164 if ( old_pstruct NEQ NULL )
165 globs->pstruct = old_pstruct;
166 #endif
167
168 return 1;
169 }
170 #endif /* !RUN_INT_RAM */