scripted-diff: Use the C++11 keyword nullptr to denote the pointer literal instead of the macro NULL

-BEGIN VERIFY SCRIPT-
sed -i 's/\<NULL\>/nullptr/g' src/*.cpp src/*.h src/*/*.cpp src/*/*.h src/qt/*/*.cpp src/qt/*/*.h src/wallet/*/*.cpp src/wallet/*/*.h src/support/allocators/*.h
sed -i 's/Prefer nullptr, otherwise SAFECOOKIE./Prefer NULL, otherwise SAFECOOKIE./g' src/torcontrol.cpp
sed -i 's/tor: Using nullptr authentication/tor: Using NULL authentication/g' src/torcontrol.cpp
sed -i 's/METHODS=nullptr/METHODS=NULL/g' src/test/torcontrol_tests.cpp src/torcontrol.cpp
sed -i 's/nullptr certificates/NULL certificates/g' src/qt/paymentserver.cpp
sed -i 's/"nullptr"/"NULL"/g' src/torcontrol.cpp src/test/torcontrol_tests.cpp
-END VERIFY SCRIPT-

1 files changed, 6 insertions, 6 deletions

diff --git a/src/key.cpp b/src/key.cpp
index 5a991fc1d2..315a3978c8 100644
--- a/src/key.cpp
+++ b/src/key.cpp
@@ -13,7 +13,7 @@
 #include <secp256k1.h>
 #include <secp256k1_recovery.h>
 
-static secp256k1_context* secp256k1_context_sign = NULL;
+static secp256k1_context* secp256k1_context_sign = nullptr;
 
 /** These functions are taken from the libsecp256k1 distribution and are very ugly. */
 static int ec_privkey_import_der(const secp256k1_context* ctx, unsigned char *out32, const unsigned char *privkey, size_t privkeylen) {
@@ -165,7 +165,7 @@ bool CKey::Sign(const uint256 &hash, std::vector<unsigned char>& vchSig, uint32_
     unsigned char extra_entropy[32] = {0};
     WriteLE32(extra_entropy, test_case);
     secp256k1_ecdsa_signature sig;
-    int ret = secp256k1_ecdsa_sign(secp256k1_context_sign, &sig, hash.begin(), begin(), secp256k1_nonce_function_rfc6979, test_case ? extra_entropy : NULL);
+    int ret = secp256k1_ecdsa_sign(secp256k1_context_sign, &sig, hash.begin(), begin(), secp256k1_nonce_function_rfc6979, test_case ? extra_entropy : nullptr);
     assert(ret);
     secp256k1_ecdsa_signature_serialize_der(secp256k1_context_sign, (unsigned char*)vchSig.data(), &nSigLen, &sig);
     vchSig.resize(nSigLen);
@@ -192,7 +192,7 @@ bool CKey::SignCompact(const uint256 &hash, std::vector<unsigned char>& vchSig)
     vchSig.resize(65);
     int rec = -1;
     secp256k1_ecdsa_recoverable_signature sig;
-    int ret = secp256k1_ecdsa_sign_recoverable(secp256k1_context_sign, &sig, hash.begin(), begin(), secp256k1_nonce_function_rfc6979, NULL);
+    int ret = secp256k1_ecdsa_sign_recoverable(secp256k1_context_sign, &sig, hash.begin(), begin(), secp256k1_nonce_function_rfc6979, nullptr);
     assert(ret);
     secp256k1_ecdsa_recoverable_signature_serialize_compact(secp256k1_context_sign, (unsigned char*)&vchSig[1], &rec, &sig);
     assert(ret);
@@ -289,10 +289,10 @@ bool ECC_InitSanityCheck() {
 }
 
 void ECC_Start() {
-    assert(secp256k1_context_sign == NULL);
+    assert(secp256k1_context_sign == nullptr);
 
     secp256k1_context *ctx = secp256k1_context_create(SECP256K1_CONTEXT_SIGN);
-    assert(ctx != NULL);
+    assert(ctx != nullptr);
 
     {
         // Pass in a random blinding seed to the secp256k1 context.
@@ -307,7 +307,7 @@ void ECC_Start() {
 
 void ECC_Stop() {
     secp256k1_context *ctx = secp256k1_context_sign;
-    secp256k1_context_sign = NULL;
+    secp256k1_context_sign = nullptr;
 
     if (ctx) {
         secp256k1_context_destroy(ctx);