* stdlib/random_r.c (__setstate_r): Allow call with same state
array as currently used (PR libc/774).
1998-09-10 Ulrich Drepper <drepper@cygnus.com>
+ * stdlib/random_r.c (__setstate_r): Allow call with same state
+ array as currently used (PR libc/774).
+
* include/limits.h: Include gcc's header even if this file is
found more than once before it (PR libc/778)
struct random_data *buf;
{
int32_t *new_state = (int32_t *) arg_state;
- int type = new_state[0] % MAX_TYPES;
+ int type;
int old_type;
int32_t *old_state;
int degree;
int separation;
- if (buf == NULL || type < TYPE_0 || type >= TYPE_4)
+ if (buf == NULL)
goto fail;
old_type = buf->rand_type;
else
old_state[-1] = (MAX_TYPES * (buf->rptr - old_state)) + old_type;
+ type = new_state[0] % MAX_TYPES;
+ if (type < TYPE_0 || type >= TYPE_4)
+ goto fail;
+
buf->rand_deg = degree = random_poly_info.degrees[type];
buf->rand_sep = separation = random_poly_info.seps[type];
buf->rand_type = type;