diff options
Diffstat (limited to 'modules/core/os_snline.cpp')
| -rw-r--r-- | modules/core/os_snline.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/modules/core/os_snline.cpp b/modules/core/os_snline.cpp index d6a0d8844..fb83f5e52 100644 --- a/modules/core/os_snline.cpp +++ b/modules/core/os_snline.cpp @@ -35,6 +35,9 @@ class SNLineDelCallback : public NumberList void HandleNumber(unsigned Number) { + if (!Number) + return; + XLine *x = SNLine->GetEntry(Number - 1); if (!x) @@ -68,6 +71,9 @@ class SNLineListCallback : public NumberList virtual void HandleNumber(unsigned Number) { + if (!Number) + return; + XLine *x = SNLine->GetEntry(Number - 1); if (!x) @@ -97,6 +103,9 @@ class SNLineViewCallback : public SNLineListCallback void HandleNumber(unsigned Number) { + if (!Number) + return; + XLine *x = SNLine->GetEntry(Number - 1); if (!x) |