diff options
| -rw-r--r-- | libqpdf/QPDFJob_config.cc | 3 | ||||
| -rw-r--r-- | qpdf/qtest/page-labels.test | 4 |
2 files changed, 5 insertions, 2 deletions
diff --git a/libqpdf/QPDFJob_config.cc b/libqpdf/QPDFJob_config.cc index e9084e85..107abf7c 100644 --- a/libqpdf/QPDFJob_config.cc +++ b/libqpdf/QPDFJob_config.cc @@ -1139,6 +1139,9 @@ QPDFJob::Config::setPageLabels(const std::vector<std::string>& specs) } auto start_num = match[3].matched ? QUtil::string_to_int(match[3].str().c_str()) : 1; + if (start_num < 1) { + usage("starting page number must be >= 1"); + } auto prefix = match[4].matched ? match[4].str() : ""; // We can't check ordering until we know how many pages there are, so that is delayed until // near the end. diff --git a/qpdf/qtest/page-labels.test b/qpdf/qtest/page-labels.test index 9927437b..b90acd61 100644 --- a/qpdf/qtest/page-labels.test +++ b/qpdf/qtest/page-labels.test @@ -33,8 +33,8 @@ $td->runtest("no page labels", my @errors = ( ["quack", ".*page label spec must be.*"], ["5:r 10:D", ".*the first page .*must start with page 1.*"], - ["1:r 10:D 31:A", - ".*page 31 is more than the total number of pages \\(30\\).*"], + ["1:r 10:D 31:A", ".*page 31 is more than the total number of pages \\(30\\).*"], + ["1:r/0", ".*starting page number must be >= 1.*"], ); $n_tests += scalar(@errors); |