commit fc57380c3f1370c26b8c1eddcf9bccbad58e11aa
author Bram Moolenaar <Bram@vim.org> Fri Dec 30 15:01:59 2011 +0100
committer Bram Moolenaar <Bram@vim.org> Fri Dec 30 15:01:59 2011 +0100
tree 83291ac1aab0c1172618691576dcb4ed3a46f1b4
parent 5d6f75e17e783b4ce6702b243cf8fda107592e87

updated for version 7.3.390
Problem:    Using NULL buffer pointer in a window.
Solution:   Check for w_buffer being NULL in more places. (Bjorn Winckler)

src/quickfix.c

diff --git a/src/quickfix.c b/src/quickfix.c
index 0502392..a2935be 100644
--- a/src/quickfix.c
+++ b/src/quickfix.c
@@ -2675,7 +2675,7 @@
 bt_quickfix(buf)
     buf_T	*buf;
 {
-    return (buf->b_p_bt[0] == 'q');
+    return buf != NULL && buf->b_p_bt[0] == 'q';
 }
 
 /*
@@ -2686,8 +2686,8 @@
 bt_nofile(buf)
     buf_T	*buf;
 {
-    return (buf->b_p_bt[0] == 'n' && buf->b_p_bt[2] == 'f')
-	    || buf->b_p_bt[0] == 'a';
+    return buf != NULL && ((buf->b_p_bt[0] == 'n' && buf->b_p_bt[2] == 'f')
+	    || buf->b_p_bt[0] == 'a');
 }
 
 /*
@@ -2697,7 +2697,7 @@
 bt_dontwrite(buf)
     buf_T	*buf;
 {
-    return (buf->b_p_bt[0] == 'n');
+    return buf != NULL && buf->b_p_bt[0] == 'n';
 }
 
     int