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-rw-r--r--libtommath/bn_mp_shrink.c22
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 $ */
+/* $Source$ */
+/* $Revision$ */
+/* $Date$ */