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authordgp <dgp@users.sourceforge.net>2012-12-04 16:37:18 (GMT)
committerdgp <dgp@users.sourceforge.net>2012-12-04 16:37:18 (GMT)
commit5ae5c226312e499948f5934d1d1e14e33265099b (patch)
treeb0fdcc8a70e63856b4cd8894cb579d21f1365a7a /generic/tkTextWind.c
parentf4da5583aaf7d522caa95c64a2d6614622ab4e88 (diff)
parentebdb1af200a5bdf041a872601852a6b93ae20900 (diff)
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[Bug 3588824]: bug in image index handling for weird image names
Diffstat (limited to 'generic/tkTextWind.c')
-rw-r--r--generic/tkTextWind.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/generic/tkTextWind.c b/generic/tkTextWind.c
index ecafd4e..5dc8feb 100644
--- a/generic/tkTextWind.c
+++ b/generic/tkTextWind.c
@@ -1329,6 +1329,10 @@ TkTextWindowIndex(
Tcl_HashEntry *hPtr;
TkTextSegment *ewPtr;
+ if (textPtr == NULL) {
+ return 0;
+ }
+
hPtr = Tcl_FindHashEntry(&textPtr->sharedTextPtr->windowTable, name);
if (hPtr == NULL) {
return 0;