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Diffstat (limited to 'src/libbiguint/bu_subc.c')
-rw-r--r--src/libbiguint/bu_subc.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/src/libbiguint/bu_subc.c b/src/libbiguint/bu_subc.c
index cff2a05..b5b6da5 100644
--- a/src/libbiguint/bu_subc.c
+++ b/src/libbiguint/bu_subc.c
@@ -9,14 +9,14 @@
#include <stdint.h>
#include <skalibs/biguint.h>
-int bu_subc (uint32_t *c, unsigned int cn, uint32_t const *a, unsigned int an, uint32_t const *b, unsigned int bn, register int carry)
+int bu_subc (uint32_t *c, unsigned int cn, uint32_t const *a, unsigned int an, uint32_t const *b, unsigned int bn, int carry)
{
- register unsigned int i = 0 ;
+ unsigned int i = 0 ;
for (; i < cn ; i++)
{
- register uint32_t ai = (i < an) ? a[i] : 0 ;
- register uint32_t bi = (i < bn) ? b[i] : 0 ;
- register uint32_t ci = ai - bi - carry ;
+ uint32_t ai = (i < an) ? a[i] : 0 ;
+ uint32_t bi = (i < bn) ? b[i] : 0 ;
+ uint32_t ci = ai - bi - carry ;
carry = (carry || bi) && (ci > ai) ;
c[i] = ci ;
}