fix bug in mp_radix_size()

zero values returned a length of 1, not 2 in case of radix 2
re-ordering the special casing takes care of it
This commit is contained in:
Gerhard R 2012-05-11 20:40:32 +03:00 committed by Steffen Jaeckel
parent f87356dc70
commit 6907f6ca45

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@ -24,12 +24,6 @@ int mp_radix_size (mp_int * a, int radix, int *size)
*size = 0;
/* special case for binary */
if (radix == 2) {
*size = mp_count_bits (a) + (a->sign == MP_NEG ? 1 : 0) + 1;
return MP_OKAY;
}
/* make sure the radix is in range */
if (radix < 2 || radix > 64) {
return MP_VAL;
@ -40,6 +34,12 @@ int mp_radix_size (mp_int * a, int radix, int *size)
return MP_OKAY;
}
/* special case for binary */
if (radix == 2) {
*size = mp_count_bits (a) + (a->sign == MP_NEG ? 1 : 0) + 1;
return MP_OKAY;
}
/* digs is the digit count */
digs = 0;