Mercurial > dropbear

comparison bn_mp_clear.c @ 387:4663ced4968f libtommath-dropbear

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
propagate from branch 'au.asn.ucc.matt.ltm.orig' (head 1c2b7d389d0682caf980235dad97493e3206389c) to branch 'au.asn.ucc.matt.ltm.dropbear' (head 40ab3795de3a6157f34e52ed3f0be3eebe9a2eaa)
author Matt Johnston <matt@ucc.asn.au>
date Thu, 11 Jan 2007 03:13:04 +0000
parents 97db060d0ef5 bd240aa12ba7
children
comparison
equal deleted inserted replaced
386:97db060d0ef5 387:4663ced4968f
17 17
18 /* clear one (frees) */ 18 /* clear one (frees) */
19 void 19 void
20 mp_clear (mp_int * a) 20 mp_clear (mp_int * a)
21 { 21 {
22 int i; 22 volatile mp_digit *p;
23 int len;
23 24
24 /* only do anything if a hasn't been freed previously */ 25 /* only do anything if a hasn't been freed previously */
25 if (a->dp != NULL) { 26 if (a->dp != NULL) {
26 /* first zero the digits */ 27 /* first zero the digits */
27 for (i = 0; i < a->used; i++) { 28 len = a->alloc;
28 a->dp[i] = 0; 29 p = a->dp;
29 } 30 while (len--) {
31 *p++ = 0;
32 }
30 33
31 /* free ram */ 34 /* free ram */
32 XFREE(a->dp); 35 XFREE(a->dp);
33 36
34 /* reset members to make debugging easier */ 37 /* reset members to make debugging easier */