From: Ulrich Drepper <drepper@redhat.com>
Date: Thu, 10 Sep 1998 17:07:14 +0000 (+0000)
Subject: (__setstate_r): Allow call with same state array as currently used.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9a4fe38ed69f8173bf669083881174ce19061ad5;p=thirdparty%2Fglibc.git

(__setstate_r): Allow call with same state array as currently used.
---

diff --git a/stdlib/random_r.c b/stdlib/random_r.c
index 6355097a936..d01f13383fe 100644
--- a/stdlib/random_r.c
+++ b/stdlib/random_r.c
@@ -243,8 +243,8 @@ __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 rear = new_state[0] / MAX_TYPES;
+  int type;
+  int rear;
 
   if (buf == NULL)
     return -1;
@@ -254,6 +254,9 @@ __setstate_r (arg_state, buf)
   else
     buf->state[-1] = (MAX_TYPES * (buf->rptr - buf->state)) + buf->rand_type;
 
+  type = new_state[0] % MAX_TYPES;
+  rear = new_state[0] / MAX_TYPES;
+
   switch (type)
     {
     case TYPE_0: