Hi Bram,
How to reproduce (on Linux):
- Go to Vim source directory
$ cd /path/to/your/vim
- Configure with enabling gui gnome2
$ ./configure --with-features=huge --enable-gui=gnome2
--enable-fail-if-missing
- Make
$ make
- Run vanilla CLI Vim
$ src/vim -Nu NONE
- Execute the following command.
:call balloon_show("Hi")
Expected behavior:
- Nothing happens. (Or an error message is output?)
Actual behavior:
- SEGV
Attached patch fixes this.
--
Best regards,
Hirohito Higashi (a.k.a. h_east)
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diff --git a/src/gui_beval.c b/src/gui_beval.c
index dd61945..a63ede4 100644
--- a/src/gui_beval.c
+++ b/src/gui_beval.c
@@ -437,6 +437,9 @@ get_beval_info(
void
gui_mch_post_balloon(BalloonEval *beval, char_u *mesg)
{
+ if (beval == NULL)
+ return;
+
beval->msg = mesg;
if (mesg != NULL)
drawBalloon(beval);
diff --git a/src/gui_w32.c b/src/gui_w32.c
index cd9f31e..13ea26f 100644
--- a/src/gui_w32.c
+++ b/src/gui_w32.c
@@ -8582,7 +8582,7 @@ gui_mch_post_balloon(BalloonEval *beval, char_u *mesg)
{
POINT pt;
// TRACE0("gui_mch_post_balloon {{{");
- if (beval->showState == ShS_SHOWING)
+ if (beval == NULL || beval->showState == ShS_SHOWING)
return;
GetCursorPos(&pt);
ScreenToClient(s_textArea, &pt);
