diff options
Diffstat (limited to 'libtommath/bn_mp_toradix_n.c')
| -rw-r--r-- | libtommath/bn_mp_toradix_n.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/libtommath/bn_mp_toradix_n.c b/libtommath/bn_mp_toradix_n.c index 7d43558..7c0f3bc 100644 --- a/libtommath/bn_mp_toradix_n.c +++ b/libtommath/bn_mp_toradix_n.c @@ -12,7 +12,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@iahu.ca, http://math.libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://math.libtomcrypt.com */ /* stores a bignum as a ASCII string in a given radix (2..64) @@ -27,12 +27,12 @@ int mp_toradix_n(mp_int * a, char *str, int radix, int maxlen) char *_s = str; /* check range of the maxlen, radix */ - if (maxlen < 3 || radix < 2 || radix > 64) { + if (maxlen < 2 || radix < 2 || radix > 64) { return MP_VAL; } /* quick out if its zero */ - if (mp_iszero(a) == 1) { + if (mp_iszero(a) == MP_YES) { *str++ = '0'; *str = '\0'; return MP_OKAY; @@ -57,21 +57,20 @@ int mp_toradix_n(mp_int * a, char *str, int radix, int maxlen) digs = 0; while (mp_iszero (&t) == 0) { + if (--maxlen < 1) { + /* no more room */ + break; + } if ((res = mp_div_d (&t, (mp_digit) radix, &t, &d)) != MP_OKAY) { mp_clear (&t); return res; } *str++ = mp_s_rmap[d]; ++digs; - - if (--maxlen == 1) { - /* no more room */ - break; - } } /* reverse the digits of the string. In this case _s points - * to the first digit [exluding the sign] of the number] + * to the first digit [exluding the sign] of the number */ bn_reverse ((unsigned char *)_s, digs); @@ -83,3 +82,7 @@ int mp_toradix_n(mp_int * a, char *str, int radix, int maxlen) } #endif + +/* $Source: /cvs/libtom/libtommath/bn_mp_toradix_n.c,v $ */ +/* $Revision: 1.4 $ */ +/* $Date: 2006/03/31 14:18:44 $ */ |