commit files needed for zpm-fetchurl

[zpackage] / libtomcrypt / src / pk / asn1 / der / sequence / der_sequence_free.c

diff --git a/libtomcrypt/src/pk/asn1/der/sequence/der_sequence_free.c b/libtomcrypt/src/pk/asn1/der/sequence/der_sequence_free.c
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+++ b/libtomcrypt/src/pk/asn1/der/sequence/der_sequence_free.c
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+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ */
+#include "tomcrypt.h"
+
+/**
+  @file der_sequence_free.c
+  ASN.1 DER, free's a structure allocated by der_decode_sequence_flexi(), Tom St Denis
+*/
+
+#ifdef LTC_DER
+
+/**
+  Free memory allocated by der_decode_sequence_flexi()
+  @param in     The list to free
+*/
+void der_sequence_free(ltc_asn1_list *in)
+{
+   ltc_asn1_list *l;
+
+   if (!in) return;
+
+   /* walk to the start of the chain */
+   while (in->prev != NULL || in->parent != NULL) {
+      if (in->parent != NULL) {
+          in = in->parent;
+      } else {
+          in = in->prev;
+      }
+   }
+
+   /* now walk the list and free stuff */
+   while (in != NULL) {
+      /* is there a child? */
+      if (in->child) {
+         /* disconnect */
+         in->child->parent = NULL;
+         der_sequence_free(in->child);
+      }
+
+      switch (in->type) {
+         case LTC_ASN1_SETOF: break;
+         case LTC_ASN1_INTEGER : if (in->data != NULL) { mp_clear(in->data); } break;
+         default               : if (in->data != NULL) { XFREE(in->data);    }
+      }
+
+      /* move to next and free current */
+      l = in->next;
+      XFREE(in);
+      in = l;
+   }
+}
+
+#endif
+
+/* ref:         $Format:%D$ */
+/* git commit:  $Format:%H$ */
+/* commit time: $Format:%ai$ */