#include #ifdef BN_MP_SHRINK_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 */ /* shrink a bignum */ int mp_shrink (mp_int * a) { mp_digit *tmp; if (a->alloc != a->used && a->used > 0) { if ((tmp = OPT_CAST(mp_digit) XREALLOC (a->dp, sizeof (mp_digit) * a->used)) == NULL) { return MP_MEM; } a->dp = tmp; a->alloc = a->used; } return MP_OKAY; } #endif /* $Source: /cvsroot/tcl/libtommath/bn_mp_shrink.c,v $ */ /* $Revision: 1.1.1.3 $ */ /* $Date: 2006/12/01 00:08:11 $ */