commit cfb5802a8016b79bdcceee950492780b4193550a
author Nan Zhou <nanzhoumails@gmail.com> Tue Dec 28 11:02:26 2021 -0800
committer Nan Zhou <nanzhoumails@gmail.com> Tue Dec 28 16:52:00 2021 -0800
tree 7317f922f077f3b43f22c620cad284876581799f
parent bf3cf7514ef6c59e0d91090f62f0ecb042fc9dc0

Modernize use nullptr

NULL => nullptr as per modernize-use-nullptr.

After this change:
```
grep "NULL" -r */*.*pp *.*pp
None
```

Signed-off-by: Nan Zhou <nanzhoumails@gmail.com>
Change-Id: Iecddab6fba06f959866048eff4496310453d0fde

certificate.cpp

diff --git a/certificate.cpp b/certificate.cpp
index 0e19141..88ff65e 100644
--- a/certificate.cpp
+++ b/certificate.cpp
@@ -90,8 +90,8 @@
 std::string
     Certificate::generateUniqueFilePath(const std::string& directoryPath)
 {
-    char* filePath = tempnam(directoryPath.c_str(), NULL);
-    if (filePath == NULL)
+    char* filePath = tempnam(directoryPath.c_str(), nullptr);
+    if (filePath == nullptr)
     {
         log<level::ERR>(
             "Error occurred while creating random certificate file path",
@@ -293,8 +293,8 @@
         elog<InternalFailure>();
     }
 
-    errCode =
-        X509_STORE_CTX_init(storeCtx.get(), x509Store.get(), cert.get(), NULL);
+    errCode = X509_STORE_CTX_init(storeCtx.get(), x509Store.get(), cert.get(),
+                                  nullptr);
     if (errCode != 1)
     {
         log<level::ERR>("Error occurred during X509_STORE_CTX_init call",
@@ -526,7 +526,7 @@
     // Go through each usage in the bit string and convert to
     // corresponding string value
     if ((usage = static_cast<ASN1_BIT_STRING*>(
-             X509_get_ext_d2i(cert.get(), NID_key_usage, NULL, NULL))))
+             X509_get_ext_d2i(cert.get(), NID_key_usage, nullptr, nullptr))))
     {
         for (auto i = 0; i < usage->length; ++i)
         {
@@ -542,8 +542,8 @@
     }
 
     EXTENDED_KEY_USAGE* extUsage;
-    if ((extUsage = static_cast<EXTENDED_KEY_USAGE*>(
-             X509_get_ext_d2i(cert.get(), NID_ext_key_usage, NULL, NULL))))
+    if ((extUsage = static_cast<EXTENDED_KEY_USAGE*>(X509_get_ext_d2i(
+             cert.get(), NID_ext_key_usage, nullptr, nullptr))))
     {
         for (int i = 0; i < sk_ASN1_OBJECT_num(extUsage); i++)
         {