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authorSven Wischnowsky <wischnow@users.sourceforge.net>2001-08-28 08:41:51 +0000
committerSven Wischnowsky <wischnow@users.sourceforge.net>2001-08-28 08:41:51 +0000
commitc0ea4d62c81f7480192b1f61649f82d064dcb716 (patch)
tree3ff9b3deb6c3c95aa536ef59db564e73f97f4b9b /Src/Zle
parent7806ece93122c27478d74d53518c75500c3a5749 (diff)
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handle possible NULL pointer returned from bufferwords() (15717)
Diffstat (limited to 'Src/Zle')
-rw-r--r--Src/Zle/zle_misc.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/Src/Zle/zle_misc.c b/Src/Zle/zle_misc.c
index 2a650af86..e24d0c08b 100644
--- a/Src/Zle/zle_misc.c
+++ b/Src/Zle/zle_misc.c
@@ -549,13 +549,13 @@ copyprevshellword(char **args)
     int i;
     char *p = NULL;
 
-    l = bufferwords(NULL, NULL, &i);
+    if ((l = bufferwords(NULL, NULL, &i)))
+        for (n = firstnode(l); n; incnode(n))
+            if (!i--) {
+                p = getdata(n);
+                break;
+            }
 
-    for (n = firstnode(l); n; incnode(n))
-	if (!i--) {
-	    p = getdata(n);
-	    break;
-	}
     if (p) {
 	int len = strlen(p);