fix signedness warnings in blaze_util_posix.cc

   if (result != count) {
       ~~~~~~~^~~~~~~~

Of course, problems arising from this are only theoretical.

Change-Id: Id045a97623026e005d40940eb4a7d30d73f4ce32
PiperOrigin-RevId: 157561218

1 files changed, 3 insertions, 3 deletions

diff --git a/src/main/cpp/blaze_util_posix.cc b/src/main/cpp/blaze_util_posix.cc
index 0ccf966972..d5aa37b2dc 100644
--- a/src/main/cpp/blaze_util_posix.cc
+++ b/src/main/cpp/blaze_util_posix.cc
@@ -148,7 +148,7 @@ string GetJavaBinaryUnderJavabase() { return "bin/java"; }
 // binary anyway.
 const char** ConvertStringVectorToArgv(const vector<string>& args) {
   const char** argv = new const char*[args.size() + 1];
-  for (int i = 0; i < args.size(); i++) {
+  for (size_t i = 0; i < args.size(); i++) {
     argv[i] = args[i].c_str();
   }
 
@@ -276,7 +276,7 @@ static void ReadFromFdWithRetryEintr(
   do {
     result = read(fd, buf, count);
   } while (result < 0 && errno == EINTR);
-  if (result != count) {
+  if (result < 0 || static_cast<size_t>(result) != count) {
     DieAfterFork(error_message);
   }
 }
@@ -291,7 +291,7 @@ static void WriteToFdWithRetryEintr(
     // Darwin.
     result = write(fd, buf, count);
   } while (result < 0 && errno == EINTR);
-  if (result != count) {
+  if (result < 0 || static_cast<size_t>(result) != count) {
     DieAfterFork(error_message);
   }
 }