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authorPeter Stephenson <pws@users.sourceforge.net>2003-02-27 11:32:44 +0000
committerPeter Stephenson <pws@users.sourceforge.net>2003-02-27 11:32:44 +0000
commite0d2c9c0b344778492260552e2c8c9bde1526077 (patch)
tree82e8d74d86d48213cf36084dbd9b978382cb2a56
parent4b09b20be25c5a7ecf53baa55cdb8a4dcb94ccfc (diff)
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18313: NULL pointer dereference if yank-pop after a single yank
-rw-r--r--ChangeLog5
-rw-r--r--Src/Zle/zle_misc.c2
2 files changed, 6 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index e7bb080e5..2a467178f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2003-02-27  Peter Stephenson  <pws@csr.com>
+
+	* 18313: Src/Zle/zle_misc.c: After a single yank (hence
+	no kill ring), yank-pop	did unpleasant things with a NULL pointer.
+
 2003-02-27  Oliver Kiddle  <opk@zsh.org>
 
 	* unposted: Completion/Unix/Command/_tar: correct my typo
diff --git a/Src/Zle/zle_misc.c b/Src/Zle/zle_misc.c
index d63b52caa..4a5c6c5c2 100644
--- a/Src/Zle/zle_misc.c
+++ b/Src/Zle/zle_misc.c
@@ -372,7 +372,7 @@ yankpop(char **args)
     int cc, kctstart = kct;
     Cutbuffer buf;
 
-    if (!(lastcmd & ZLE_YANK))
+    if (!(lastcmd & ZLE_YANK) || !kring)
 	return 1;
     do {
 	/*