From 26afaa635796fee008c09155865ee3886bced9c4 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Thu, 10 Sep 1998 17:07:03 +0000 Subject: [PATCH] Update. * stdlib/random_r.c (__setstate_r): Allow call with same state array as currently used (PR libc/774). --- ChangeLog | 3 +++ stdlib/random_r.c | 8 ++++++-- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/ChangeLog b/ChangeLog index 1efe006..8b270df 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,8 @@ 1998-09-10 Ulrich Drepper + * 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) diff --git a/stdlib/random_r.c b/stdlib/random_r.c index 918bd69..445bc95 100644 --- a/stdlib/random_r.c +++ b/stdlib/random_r.c @@ -268,13 +268,13 @@ __setstate_r (arg_state, buf) 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; @@ -284,6 +284,10 @@ __setstate_r (arg_state, buf) 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; -- 2.7.4