Prevent buffer overflow

1 files changed, 5 insertions, 0 deletions

diff --git a/src/gwin/gwin_textedit.c b/src/gwin/gwin_textedit.c
index 4d1f93a6..f90666ff 100644
--- a/src/gwin/gwin_textedit.c
+++ b/src/gwin/gwin_textedit.c
@@ -104,6 +104,11 @@ static void _shiftTextRight(char* buffer, size_t bufferSize, size_t index, char
 
 			// Add a new character
 			else {
+				// Prevent buffer overflow
+				if (gw2obj->cursorPos >= gw2obj->bufferSize) {
+					return;
+				}
+
 				// Shift everything right from the cursor by one character. This includes the '\0'. Then inser the new character.
 				_shiftTextRight(gw2obj->textBuffer, gw2obj->bufferSize, gw2obj->cursorPos++, pke->c[0]);
 			}