libtommath/bn_s_mp_reverse.c
2019-10-06 16:16:04 +02:00

23 lines
448 B
C

#include "tommath_private.h"
#ifdef BN_S_MP_REVERSE_C
/* LibTomMath, multiple-precision integer library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */
/* reverse an array, used for radix code */
void s_mp_reverse(unsigned char *s, size_t len)
{
size_t ix, iy;
unsigned char t;
ix = 0u;
iy = len - 1u;
while (ix < iy) {
t = s[ix];
s[ix] = s[iy];
s[iy] = t;
++ix;
--iy;
}
}
#endif