MFB: Fixed bug #1713 (possible crash inside tidy_get_error_buffer()).

22 years ago · e4e71fd8ba
1 changed files with 5 additions and 1 deletions
--- a/ext/tidy/tidy.c
+++ b/ext/tidy/tidy.c
@ -1042,7 +1042,11 @@ PHP_FUNCTION(tidy_get_error_buffer)
 {
 	TIDY_FETCH_OBJECT;

-	RETURN_STRING(obj->ptdoc->errbuf->bp, 1);
+	if (obj->ptdoc->errbuf && obj->ptdoc->errbuf->bp) {
+		RETURN_STRING(obj->ptdoc->errbuf->bp, 1);
+	} else {
+		RETURN_FALSE;
+	}
 }
 /* }}} */