summaryrefslogtreecommitdiffstats
path: root/libtommath/bn_mp_lshd.c
diff options
context:
space:
mode:
Diffstat (limited to 'libtommath/bn_mp_lshd.c')
-rw-r--r--libtommath/bn_mp_lshd.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/libtommath/bn_mp_lshd.c b/libtommath/bn_mp_lshd.c
index ce1e63b..f6f800f 100644
--- a/libtommath/bn_mp_lshd.c
+++ b/libtommath/bn_mp_lshd.c
@@ -1,4 +1,4 @@
-#include <tommath.h>
+#include <tommath_private.h>
#ifdef BN_MP_LSHD_C
/* LibTomMath, multiple-precision integer library -- Tom St Denis
*
@@ -12,7 +12,7 @@
* 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
*/
/* shift left a certain amount of digits */
@@ -26,14 +26,14 @@ int mp_lshd (mp_int * a, int b)
}
/* grow to fit the new digits */
- if (a->alloc < a->used + b) {
+ if (a->alloc < (a->used + b)) {
if ((res = mp_grow (a, a->used + b)) != MP_OKAY) {
return res;
}
}
{
- register mp_digit *top, *bottom;
+ mp_digit *top, *bottom;
/* increment the used by the shift amount then copy upwards */
a->used += b;
@@ -42,7 +42,7 @@ int mp_lshd (mp_int * a, int b)
top = a->dp + a->used - 1;
/* base */
- bottom = a->dp + a->used - 1 - b;
+ bottom = (a->dp + a->used - 1) - b;
/* much like mp_rshd this is implemented using a sliding window
* except the window goes the otherway around. Copying from
@@ -61,3 +61,7 @@ int mp_lshd (mp_int * a, int b)
return MP_OKAY;
}
#endif
+
+/* $Source$ */
+/* $Revision$ */
+/* $Date$ */