diff options
-rw-r--r-- | qpdf/qpdf.cc | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/qpdf/qpdf.cc b/qpdf/qpdf.cc index 4a92a038..96de8a13 100644 --- a/qpdf/qpdf.cc +++ b/qpdf/qpdf.cc @@ -1337,6 +1337,11 @@ static void parse_options(int argc, char* argv[], Options& o) } else if (strcmp(arg, "rotate") == 0) { + if (parameter == 0) + { + usage("--rotate must be given as" + " --rotate=[+|-]angle:page-range"); + } parse_rotation_parameter(o, parameter); } else if (strcmp(arg, "stream-data") == 0) |