diff options
Diffstat (limited to 'libtommath/bn_mp_shrink.c')
| -rw-r--r-- | libtommath/bn_mp_shrink.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/libtommath/bn_mp_shrink.c b/libtommath/bn_mp_shrink.c index a40b65c..bfdf93a 100644 --- a/libtommath/bn_mp_shrink.c +++ b/libtommath/bn_mp_shrink.c @@ -12,24 +12,25 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@iahu.ca, http://math.libtomcrypt.org + * 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) { + 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: /root/tcl/repos-to-convert/tcl/libtommath/bn_mp_shrink.c,v $ */ -/* $Revision: 1.1.1.2 $ */ -/* $Date: 2005/09/26 16:31:56 $ */ |