chore(3p/nix): apply google-readability-casting r/1619

Command run: jq <compile_commands.json -r 'map(.file)|.[]' | grep -v '/generated/' | parallel clang-tidy -p compile_commands.json -checks=-*,google-readability-casting --fix

Manual fixes applied in src/nix-env/nix-env.cc, src/libstore/store-api.cc

Change-Id: I406b4be9368c557ca59329bf6f7002704e955f8d
Reviewed-on: https://cl.tvl.fyi/c/depot/+/1557
Tested-by: BuildkiteCI
Reviewed-by: glittershark <grfn@gws.fyi>
Reviewed-by: tazjin <mail@tazj.in>

1 files changed, 4 insertions, 3 deletions

diff --git a/third_party/nix/src/libexpr/eval.cc b/third_party/nix/src/libexpr/eval.cc
index 3ecd990daa..4064f1594f 100644
--- a/third_party/nix/src/libexpr/eval.cc
+++ b/third_party/nix/src/libexpr/eval.cc
@@ -577,8 +577,8 @@ Value& mkString(Value& v, const std::string& s, const PathSet& context) {
   mkString(v, s.c_str());
   if (!context.empty()) {
     size_t n = 0;
-    v.string.context =
-        (const char**)allocBytes((context.size() + 1) * sizeof(char*));
+    v.string.context = static_cast<const char**>(
+        allocBytes((context.size() + 1) * sizeof(char*)));
     for (auto& i : context) {
       v.string.context[n++] = dupString(i.c_str());
     }
@@ -1703,7 +1703,8 @@ void EvalState::printStats() {
 
   struct rusage buf;
   getrusage(RUSAGE_SELF, &buf);
-  float cpuTime = buf.ru_utime.tv_sec + ((float)buf.ru_utime.tv_usec / 1000000);
+  float cpuTime = buf.ru_utime.tv_sec +
+                  (static_cast<float>(buf.ru_utime.tv_usec) / 1000000);
 
   uint64_t bEnvs = nrEnvs * sizeof(Env) + nrValuesInEnvs * sizeof(Value*);
   uint64_t bLists = nrListElems * sizeof(Value*);