Mercurial > dropbear
annotate libtomcrypt/src/pk/asn1/der/sequence/der_sequence_free.c @ 913:6e2aa862e167
The arguments are for configure, not make!
author | Matt Johnston <matt@ucc.asn.au> |
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date | Fri, 07 Mar 2014 20:52:57 +0800 |
parents | 0cbe8f6dbf9e |
children | f849a5ca2efc |
rev | line source |
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1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis |
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2 * |
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3 * LibTomCrypt is a library that provides various cryptographic |
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4 * algorithms in a highly modular and flexible manner. |
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5 * |
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6 * The library is free for all purposes without any express |
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7 * guarantee it works. |
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8 * |
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9 * Tom St Denis, [email protected], http://libtomcrypt.com |
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10 */ |
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11 #include "tomcrypt.h" |
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12 |
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13 /** |
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14 @file der_sequence_free.c |
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15 ASN.1 DER, free's a structure allocated by der_decode_sequence_flexi(), Tom St Denis |
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16 */ |
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17 |
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18 #ifdef LTC_DER |
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19 |
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20 /** |
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21 Free memory allocated by der_decode_sequence_flexi() |
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22 @param in The list to free |
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23 */ |
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24 void der_sequence_free(ltc_asn1_list *in) |
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25 { |
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26 ltc_asn1_list *l; |
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27 |
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28 /* walk to the start of the chain */ |
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29 while (in->prev != NULL || in->parent != NULL) { |
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30 if (in->parent != NULL) { |
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31 in = in->parent; |
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32 } else { |
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33 in = in->prev; |
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34 } |
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35 } |
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36 |
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37 /* now walk the list and free stuff */ |
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38 while (in != NULL) { |
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39 /* is there a child? */ |
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40 if (in->child) { |
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41 /* disconnect */ |
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42 in->child->parent = NULL; |
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43 der_sequence_free(in->child); |
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44 } |
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45 |
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46 switch (in->type) { |
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47 case LTC_ASN1_SET: |
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48 case LTC_ASN1_SETOF: |
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49 case LTC_ASN1_SEQUENCE: break; |
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50 case LTC_ASN1_INTEGER : if (in->data != NULL) { mp_clear(in->data); } break; |
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51 default : if (in->data != NULL) { XFREE(in->data); } |
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52 } |
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53 |
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54 /* move to next and free current */ |
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55 l = in->next; |
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56 free(in); |
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57 in = l; |
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58 } |
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59 } |
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60 |
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61 #endif |
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62 |
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63 /* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/sequence/der_sequence_free.c,v $ */ |
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64 /* $Revision: 1.3 $ */ |
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65 /* $Date: 2006/03/31 14:15:35 $ */ |