diff options
Diffstat (limited to 'random.c')
-rw-r--r-- | random.c | 7 |
1 files changed, 2 insertions, 5 deletions
@@ -365,15 +365,12 @@ rand_init(const rb_random_interface_t *rng, rb_random_t *rnd, VALUE seed) int sign; len = rb_absint_numwords(seed, 32, NULL); + if (len == 0) len = 1; buf = ALLOCV_N(uint32_t, buf0, len); sign = rb_integer_pack(seed, buf, len, sizeof(uint32_t), 0, INTEGER_PACK_LSWORD_FIRST|INTEGER_PACK_NATIVE_BYTE_ORDER); if (sign < 0) sign = -sign; - if (len == 0) { - buf[0] = 0; - len = 1; - } if (len > 1) { if (sign != 2 && buf[len-1] == 1) /* remove leading-zero-guard */ len--; @@ -883,7 +880,7 @@ rand_mt_init(rb_random_t *rnd, const uint32_t *buf, size_t len) { struct MT *mt = &((rb_random_mt_t *)rnd)->mt; if (len <= 1) { - init_genrand(mt, buf[0]); + init_genrand(mt, len ? buf[0] : 0); } else { init_by_array(mt, buf, (int)len); |