diff options
Diffstat (limited to 'libtommath/bn_mp_shrink.c')
-rw-r--r-- | libtommath/bn_mp_shrink.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/libtommath/bn_mp_shrink.c b/libtommath/bn_mp_shrink.c index e676068..1ad2ede 100644 --- a/libtommath/bn_mp_shrink.c +++ b/libtommath/bn_mp_shrink.c @@ -1,4 +1,4 @@ -#include <tommath.h> +#include <tommath_private.h> #ifdef BN_MP_SHRINK_C /* LibTomMath, multiple-precision integer library -- Tom St Denis * @@ -12,24 +12,30 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://math.libtomcrypt.com + * Tom St Denis, tstdenis82@gmail.com, http://libtom.org */ /* 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) { + int used = 1; + + if(a->used > 0) { + used = a->used; + } + + if (a->alloc != used) { + if ((tmp = OPT_CAST(mp_digit) XREALLOC (a->dp, sizeof (mp_digit) * used)) == NULL) { return MP_MEM; } a->dp = tmp; - a->alloc = a->used; + a->alloc = used; } return MP_OKAY; } #endif -/* $Source: /cvs/libtom/libtommath/bn_mp_shrink.c,v $ */ -/* $Revision: 1.3 $ */ -/* $Date: 2006/03/31 14:18:44 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ |