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-rw-r--r--examples/pdf-attach-file.cc12
1 files changed, 6 insertions, 6 deletions
diff --git a/examples/pdf-attach-file.cc b/examples/pdf-attach-file.cc
index eb12a002..c04f5b9f 100644
--- a/examples/pdf-attach-file.cc
+++ b/examples/pdf-attach-file.cc
@@ -15,7 +15,7 @@
// the use of the qpdf literal syntax introduced in qpdf 10.6.
//
-static char const* whoami = 0;
+static char const* whoami = nullptr;
static void
usage(std::string const& msg)
@@ -167,11 +167,11 @@ main(int argc, char* argv[])
{
whoami = QUtil::getWhoami(argv[0]);
- char const* infilename = 0;
- char const* password = 0;
- char const* attachment = 0;
- char const* outfilename = 0;
- char const* mimetype = 0;
+ char const* infilename = nullptr;
+ char const* password = nullptr;
+ char const* attachment = nullptr;
+ char const* outfilename = nullptr;
+ char const* mimetype = nullptr;
auto check_arg = [](char const* arg, std::string const& msg) {
if (arg == nullptr) {