tree-wide: NULL -> nullptr

This is slightly more type safe and is more in line with modern C++.

Change-Id: Ia7a8df1c7788085020d1bdc941d6f9cee356144e

1 files changed, 4 insertions, 4 deletions

diff --git a/src/libstore/platform/darwin.cc b/src/libstore/platform/darwin.cc
index 83b4b4183..1b591fde3 100644
--- a/src/libstore/platform/darwin.cc
+++ b/src/libstore/platform/darwin.cc
@@ -235,15 +235,15 @@ void DarwinLocalDerivationGoal::execBuilder(std::string builder, Strings args, S
     if (drv->platform == "aarch64-darwin") {
         // Unset kern.curproc_arch_affinity so we can escape Rosetta
         int affinity = 0;
-        sysctlbyname("kern.curproc_arch_affinity", NULL, NULL, &affinity, sizeof(affinity));
+        sysctlbyname("kern.curproc_arch_affinity", nullptr, nullptr, &affinity, sizeof(affinity));
 
         cpu_type_t cpu = CPU_TYPE_ARM64;
-        posix_spawnattr_setbinpref_np(&attrp, 1, &cpu, NULL);
+        posix_spawnattr_setbinpref_np(&attrp, 1, &cpu, nullptr);
     } else if (drv->platform == "x86_64-darwin") {
         cpu_type_t cpu = CPU_TYPE_X86_64;
-        posix_spawnattr_setbinpref_np(&attrp, 1, &cpu, NULL);
+        posix_spawnattr_setbinpref_np(&attrp, 1, &cpu, nullptr);
     }
 
-    posix_spawn(NULL, builder.c_str(), NULL, &attrp, stringsToCharPtrs(args).data(), stringsToCharPtrs(envStrs).data());
+    posix_spawn(nullptr, builder.c_str(), nullptr, &attrp, stringsToCharPtrs(args).data(), stringsToCharPtrs(envStrs).data());
 }
 }