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, 3 insertions, 3 deletions

diff --git a/third_party/nix/src/libutil/archive.cc b/third_party/nix/src/libutil/archive.cc
index 40898093212a..4489b7d2a8c5 100644
--- a/third_party/nix/src/libutil/archive.cc
+++ b/third_party/nix/src/libutil/archive.cc
@@ -80,7 +80,7 @@ static void dump(const Path& path, Sink& sink, PathFilter& filter) {
       sink << "executable"
            << "";
     }
-    dumpContents(path, (size_t)st.st_size, sink);
+    dumpContents(path, static_cast<size_t>(st.st_size), sink);
   }
 
   else if (S_ISDIR(st.st_mode)) {
@@ -170,7 +170,7 @@ static void parseContents(ParseSink& sink, Source& source, const Path& path) {
   while (left != 0u) {
     checkInterrupt();
     auto n = buf.size();
-    if ((unsigned long long)n > left) {
+    if (static_cast<unsigned long long>(n) > left) {
       n = left;
     }
     source(buf.data(), n);
@@ -267,7 +267,7 @@ static void parse(ParseSink& sink, Source& source, const Path& path) {
           name = readString(source);
           if (name.empty() || name == "." || name == ".." ||
               name.find('/') != std::string::npos ||
-              name.find((char)0) != std::string::npos) {
+              name.find(static_cast<char>(0)) != std::string::npos) {
             throw Error(format("NAR contains invalid file name '%1%'") % name);
           }
           if (name <= prevName) {