diff options
Diffstat (limited to 'libqpdf')
| -rw-r--r-- | libqpdf/QPDFJob_config.cc | 3 |
1 files changed, 3 insertions, 0 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. |