gs: fix bug 694539. Reading off the end of the cbuf when dash pattern len is max

diff --git a/sys/src/cmd/gs/src/gxcldev.h b/sys/src/cmd/gs/src/gxcldev.h
index ecbe7f2aeeac1da5f6b206880eb87b8d1e6cf5eb..efe8fefa1e690e70c41a180199f4b380e4742290 100644 (file)
--- a/sys/src/cmd/gs/src/gxcldev.h
+++ b/sys/src/cmd/gs/src/gxcldev.h
@@ -142,7 +142,7 @@ extern const char *const *const cmd_sub_op_names[16];
 #define cmd_max_intsize(siz)\
   (((siz) * 8 + 6) / 7)
 #define cmd_largest_size\
-  (2 + (1 + cmd_max_dash) * sizeof(float))
+  (2 + (2 + cmd_max_dash) * sizeof(float))
 
 /* ---------------- Command parameters ---------------- */