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comparison libtomcrypt/src/pk/asn1/der/sequence/der_sequence_shrink.c @ 1471:6dba84798cd5

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Update to libtomcrypt 1.18.1, merged with Dropbear changes
author Matt Johnston <matt@ucc.asn.au>
date Fri, 09 Feb 2018 21:44:05 +0800
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1470:8bba51a55704 1471:6dba84798cd5
1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
2 *
3 * LibTomCrypt is a library that provides various cryptographic
4 * algorithms in a highly modular and flexible manner.
5 *
6 * The library is free for all purposes without any express
7 * guarantee it works.
8 */
9 #include "tomcrypt.h"
10
11 /**
12 @file der_sequence_shrink.c
13 Free memory allocated for CONSTRUCTED, SET or SEQUENCE elements by der_decode_sequence_flexi(), Steffen Jaeckel
14 */
15
16 #ifdef LTC_DER
17
18 /**
19 Free memory allocated for CONSTRUCTED,
20 SET or SEQUENCE elements by der_decode_sequence_flexi()
21 @param in The list to shrink
22 */
23 void der_sequence_shrink(ltc_asn1_list *in)
24 {
25 if (!in) return;
26
27 /* now walk the list and free stuff */
28 while (in != NULL) {
29 /* is there a child? */
30 if (in->child) {
31 der_sequence_shrink(in->child);
32 }
33
34 switch (in->type) {
35 case LTC_ASN1_CONSTRUCTED:
36 case LTC_ASN1_SET:
37 case LTC_ASN1_SEQUENCE : if (in->data != NULL) { XFREE(in->data); in->data = NULL; } break;
38 default: break;
39 }
40
41 /* move to next and free current */
42 in = in->next;
43 }
44 }
45
46 #endif
47
48 /* ref: $Format:%D$ */
49 /* git commit: $Format:%H$ */
50 /* commit time: $Format:%ai$ */