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64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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*
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* The library is free for all purposes without any express
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* guarantee it works.
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*/
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#include "tomcrypt.h"
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/**
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@file der_sequence_free.c
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ASN.1 DER, free's a structure allocated by der_decode_sequence_flexi(), Tom St Denis
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*/
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#ifdef LTC_DER
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/**
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Free memory allocated by der_decode_sequence_flexi()
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@param in The list to free
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*/
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void der_sequence_free(ltc_asn1_list *in)
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{
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ltc_asn1_list *l;
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if (!in) return;
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/* walk to the start of the chain */
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while (in->prev != NULL || in->parent != NULL) {
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if (in->parent != NULL) {
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in = in->parent;
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} else {
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in = in->prev;
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}
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}
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/* now walk the list and free stuff */
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while (in != NULL) {
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/* is there a child? */
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if (in->child) {
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/* disconnect */
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in->child->parent = NULL;
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der_sequence_free(in->child);
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}
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switch (in->type) {
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case LTC_ASN1_SETOF: break;
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case LTC_ASN1_INTEGER : if (in->data != NULL) { mp_clear(in->data); } break;
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default : if (in->data != NULL) { XFREE(in->data); }
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}
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/* move to next and free current */
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l = in->next;
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XFREE(in);
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in = l;
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}
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}
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#endif
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/* ref: HEAD -> master, tag: v1.18.2 */
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/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
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/* commit time: 2018-07-01 22:49:01 +0200 */
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