X-Git-Url: https://git.pterodactylus.net/?p=fms.git;a=blobdiff_plain;f=libs%2Flibtommath%2Fbn_mp_clear.c;fp=libs%2Flibtommath%2Fbn_mp_clear.c;h=ae7c50afe8c1097ba2d6b32cb178a20384555e7b;hp=0000000000000000000000000000000000000000;hb=109c20e6f822c6efa465af31249e5608469253b6;hpb=9ae3b1434e51788e6feb72e1415ec800d05c535a diff --git a/libs/libtommath/bn_mp_clear.c b/libs/libtommath/bn_mp_clear.c new file mode 100644 index 0000000..ae7c50a --- /dev/null +++ b/libs/libtommath/bn_mp_clear.c @@ -0,0 +1,44 @@ +#include +#ifdef BN_MP_CLEAR_C +/* LibTomMath, multiple-precision integer library -- Tom St Denis + * + * LibTomMath is a library that provides multiple-precision + * integer arithmetic as well as number theoretic functionality. + * + * The library was designed directly after the MPI library by + * Michael Fromberger but has been written from scratch with + * additional optimizations in place. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@gmail.com, http://math.libtomcrypt.com + */ + +/* clear one (frees) */ +void +mp_clear (mp_int * a) +{ + int i; + + /* only do anything if a hasn't been freed previously */ + if (a->dp != NULL) { + /* first zero the digits */ + for (i = 0; i < a->used; i++) { + a->dp[i] = 0; + } + + /* free ram */ + XFREE(a->dp); + + /* reset members to make debugging easier */ + a->dp = NULL; + a->alloc = a->used = 0; + a->sign = MP_ZPOS; + } +} +#endif + +/* $Source: /cvs/libtom/libtommath/bn_mp_clear.c,v $ */ +/* $Revision: 1.3 $ */ +/* $Date: 2006/03/31 14:18:44 $ */