Revise C++ coding style using clang-format

Run the `Utilities/Scripts/clang-format.bash` script to update
all our C++ code to a new style defined by `.clang-format`.
Use `clang-format` version 3.8.

* If you reached this commit for a line in `git blame`, re-run the blame
  operation starting at the parent of this commit to see older history
  for the content.

* See the parent commit for instructions to rebase a change across this
  style transition commit.

1 files changed, 23 insertions, 38 deletions

diff --git a/Source/cmFileLockUnix.cxx b/Source/cmFileLockUnix.cxx
index f5e77be2ec..6be6abcb09 100644
--- a/Source/cmFileLockUnix.cxx
+++ b/Source/cmFileLockUnix.cxx
@@ -18,16 +18,16 @@
 #include <stdio.h> // SEEK_SET
 #include <unistd.h>
 
-cmFileLock::cmFileLock(): File(-1)
+cmFileLock::cmFileLock()
+  : File(-1)
 {
 }
 
 cmFileLockResult cmFileLock::Release()
 {
-  if (this->Filename.empty())
-    {
+  if (this->Filename.empty()) {
     return cmFileLockResult::MakeOk();
-    }
+  }
   const int lockResult = this->LockFile(F_SETLK, F_UNLCK);
 
   this->Filename = "";
@@ -35,71 +35,56 @@ cmFileLockResult cmFileLock::Release()
   ::close(this->File);
   this->File = -1;
 
-  if (lockResult == 0)
-    {
+  if (lockResult == 0) {
     return cmFileLockResult::MakeOk();
-    }
-  else
-    {
+  } else {
     return cmFileLockResult::MakeSystem();
-    }
+  }
 }
 
 cmFileLockResult cmFileLock::OpenFile()
 {
   this->File = ::open(this->Filename.c_str(), O_RDWR);
-  if (this->File == -1)
-    {
+  if (this->File == -1) {
     return cmFileLockResult::MakeSystem();
-    }
-  else
-    {
+  } else {
     return cmFileLockResult::MakeOk();
-    }
+  }
 }
 
 cmFileLockResult cmFileLock::LockWithoutTimeout()
 {
-  if (this->LockFile(F_SETLKW, F_WRLCK) == -1)
-    {
+  if (this->LockFile(F_SETLKW, F_WRLCK) == -1) {
     return cmFileLockResult::MakeSystem();
-    }
-  else
-    {
+  } else {
     return cmFileLockResult::MakeOk();
-    }
+  }
 }
 
 cmFileLockResult cmFileLock::LockWithTimeout(unsigned long seconds)
 {
-  while (true)
-    {
-    if (this->LockFile(F_SETLK, F_WRLCK) == -1)
-      {
-      if (errno != EACCES && errno != EAGAIN)
-        {
+  while (true) {
+    if (this->LockFile(F_SETLK, F_WRLCK) == -1) {
+      if (errno != EACCES && errno != EAGAIN) {
         return cmFileLockResult::MakeSystem();
-        }
       }
-    else
-      {
+    } else {
       return cmFileLockResult::MakeOk();
-      }
-    if (seconds == 0)
-      {
+    }
+    if (seconds == 0) {
       return cmFileLockResult::MakeTimeout();
-      }
+    }
     --seconds;
     cmSystemTools::Delay(1000);
-    }
+  }
 }
 
 int cmFileLock::LockFile(int cmd, int type)
 {
   struct ::flock lock;
   lock.l_start = 0;
-  lock.l_len = 0; // lock all bytes
-  lock.l_pid = 0; // unused (for F_GETLK only)
+  lock.l_len = 0;                         // lock all bytes
+  lock.l_pid = 0;                         // unused (for F_GETLK only)
   lock.l_type = static_cast<short>(type); // exclusive lock
   lock.l_whence = SEEK_SET;
   return ::fcntl(this->File, cmd, &lock);