From b9b47a0835b8ad907ca4d47fbc136f10ac3038cd Mon Sep 17 00:00:00 2001
From: kcwu <kcwu@63ad8ddf-47c3-0310-b6dd-a9e9d9715204>
Date: Tue, 8 Feb 2005 09:08:14 +0000
Subject: bug fix: don't use free'd pointer

git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@2481 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
---
 util/xchatd.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/util/xchatd.c b/util/xchatd.c
index 3902bb79..c842f97e 100644
--- a/util/xchatd.c
+++ b/util/xchatd.c
@@ -2774,7 +2774,7 @@ int
 main()
 {
     register int msock, csock, nfds;
-    register ChatUser *cu;
+    register ChatUser *cu, *cunext;
     register fd_set *rptr, *xptr;
     fd_set rset, xset;
     struct timeval tv;
@@ -2882,7 +2882,9 @@ main()
 	    }
 	}
 
-	for (cu = mainuser; cu && nfds>0; cu = cu->unext) {
+	for (cu = mainuser; cu && nfds>0; cu = cunext) {
+	    /* logout_user() 會 free(cu); 先把 cu->next 記下來 */
+	    cunext = cu->unext;
 	    csock = cu->sock;
 	    if (FD_ISSET(csock, xptr)) {
 		logout_user(cu);
-- 
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