VM: Re-format to use at most one newline between functions

runtime/bin/file_macos.cc

Index: runtime/bin/file_macos.cc
diff --git a/runtime/bin/file_macos.cc b/runtime/bin/file_macos.cc
index c2015126e22036beb6760c9f862421c59d6dfc7f..1b53cb2c1cfe5280ba64a4fd11000476fae8fecc 100644
--- a/runtime/bin/file_macos.cc
+++ b/runtime/bin/file_macos.cc
@@ -40,7 +40,6 @@ class FileHandle {
   DISALLOW_COPY_AND_ASSIGN(FileHandle);
 };
 
-
 File::~File() {
   if (!IsClosed() && handle_->fd() != STDOUT_FILENO &&
       handle_->fd() != STDERR_FILENO) {
@@ -49,7 +48,6 @@ File::~File() {
   delete handle_;
 }
 
-
 void File::Close() {
   ASSERT(handle_->fd() >= 0);
   if (handle_->fd() == STDOUT_FILENO) {
@@ -70,17 +68,14 @@ void File::Close() {
   handle_->set_fd(kClosedFd);
 }
 
-
 intptr_t File::GetFD() {
   return handle_->fd();
 }
 
-
 bool File::IsClosed() {
   return handle_->fd() == kClosedFd;
 }
 
-
 MappedMemory* File::Map(MapType type, int64_t position, int64_t length) {
   ASSERT(handle_->fd() >= 0);
   ASSERT(length > 0);
@@ -102,7 +97,6 @@ MappedMemory* File::Map(MapType type, int64_t position, int64_t length) {
   return new MappedMemory(addr, length);
 }
 
-
 void MappedMemory::Unmap() {
   int result = munmap(address_, size_);
   ASSERT(result == 0);
@@ -110,19 +104,16 @@ void MappedMemory::Unmap() {
   size_ = 0;
 }
 
-
 int64_t File::Read(void* buffer, int64_t num_bytes) {
   ASSERT(handle_->fd() >= 0);
   return TEMP_FAILURE_RETRY(read(handle_->fd(), buffer, num_bytes));
 }
 
-
 int64_t File::Write(const void* buffer, int64_t num_bytes) {
   ASSERT(handle_->fd() >= 0);
   return TEMP_FAILURE_RETRY(write(handle_->fd(), buffer, num_bytes));
 }
 
-
 bool File::VPrint(const char* format, va_list args) {
   // Measure.
   va_list measure_args;
@@ -148,25 +139,21 @@ int64_t File::Position() {
   return lseek(handle_->fd(), 0, SEEK_CUR);
 }
 
-
 bool File::SetPosition(int64_t position) {
   ASSERT(handle_->fd() >= 0);
   return lseek(handle_->fd(), position, SEEK_SET) >= 0;
 }
 
-
 bool File::Truncate(int64_t length) {
   ASSERT(handle_->fd() >= 0);
   return TEMP_FAILURE_RETRY(ftruncate(handle_->fd(), length)) != -1;
 }
 
-
 bool File::Flush() {
   ASSERT(handle_->fd() >= 0);
   return NO_RETRY_EXPECTED(fsync(handle_->fd())) != -1;
 }
 
-
 bool File::Lock(File::LockType lock, int64_t start, int64_t end) {
   ASSERT(handle_->fd() >= 0);
   ASSERT((end == -1) || (end > start));
@@ -197,7 +184,6 @@ bool File::Lock(File::LockType lock, int64_t start, int64_t end) {
   return TEMP_FAILURE_RETRY(fcntl(handle_->fd(), cmd, &fl)) != -1;
 }
 
-
 int64_t File::Length() {
   ASSERT(handle_->fd() >= 0);
   struct stat st;
@@ -207,13 +193,11 @@ int64_t File::Length() {
   return -1;
 }
 
-
 File* File::FileOpenW(const wchar_t* system_name, FileOpenMode mode) {
   UNREACHABLE();
   return NULL;
 }
 
-
 File* File::Open(const char* name, FileOpenMode mode) {
   // Report errors for non-regular files.
   struct stat st;
@@ -251,12 +235,10 @@ File* File::Open(const char* name, FileOpenMode mode) {
   return new File(new FileHandle(fd));
 }
 
-
 File* File::OpenStdio(int fd) {
   return ((fd < 0) || (2 < fd)) ? NULL : new File(new FileHandle(fd));
 }
 
-
 bool File::Exists(const char* name) {
   struct stat st;
   if (NO_RETRY_EXPECTED(stat(name, &st)) == 0) {
@@ -267,7 +249,6 @@ bool File::Exists(const char* name) {
   }
 }
 
-
 bool File::Create(const char* name) {
   int fd = TEMP_FAILURE_RETRY(open(name, O_RDONLY | O_CREAT, 0666));
   if (fd < 0) {
@@ -291,13 +272,11 @@ bool File::Create(const char* name) {
   return is_file;
 }
 
-
 bool File::CreateLink(const char* name, const char* target) {
   int status = NO_RETRY_EXPECTED(symlink(target, name));
   return (status == 0);
 }
 
-
 File::Type File::GetType(const char* pathname, bool follow_links) {
   struct stat entry_info;
   int stat_success;
@@ -321,7 +300,6 @@ File::Type File::GetType(const char* pathname, bool follow_links) {
   return File::kDoesNotExist;
 }
 
-
 static bool CheckTypeAndSetErrno(const char* name,
                                  File::Type expected,
                                  bool follow_links) {
@@ -343,37 +321,31 @@ static bool CheckTypeAndSetErrno(const char* name,
   return false;
 }
 
-
 bool File::Delete(const char* name) {
   return CheckTypeAndSetErrno(name, kIsFile, true) &&
          (NO_RETRY_EXPECTED(unlink(name)) == 0);
 }
 
-
 bool File::DeleteLink(const char* name) {
   return CheckTypeAndSetErrno(name, kIsLink, false) &&
          (NO_RETRY_EXPECTED(unlink(name)) == 0);
 }
 
-
 bool File::Rename(const char* old_path, const char* new_path) {
   return CheckTypeAndSetErrno(old_path, kIsFile, true) &&
          (NO_RETRY_EXPECTED(rename(old_path, new_path)) == 0);
 }
 
-
 bool File::RenameLink(const char* old_path, const char* new_path) {
   return CheckTypeAndSetErrno(old_path, kIsLink, false) &&
          (NO_RETRY_EXPECTED(rename(old_path, new_path)) == 0);
 }
 
-
 bool File::Copy(const char* old_path, const char* new_path) {
   return CheckTypeAndSetErrno(old_path, kIsFile, true) &&
          (copyfile(old_path, new_path, NULL, COPYFILE_ALL) == 0);
 }
 
-
 static bool StatHelper(const char* name, struct stat* st) {
   if (NO_RETRY_EXPECTED(stat(name, st)) != 0) {
     return false;
@@ -387,7 +359,6 @@ static bool StatHelper(const char* name, struct stat* st) {
   return true;
 }
 
-
 int64_t File::LengthFromPath(const char* name) {
   struct stat st;
   if (!StatHelper(name, &st)) {
@@ -396,13 +367,11 @@ int64_t File::LengthFromPath(const char* name) {
   return st.st_size;
 }
 
-
 static int64_t TimespecToMilliseconds(const struct timespec& t) {
   return static_cast<int64_t>(t.tv_sec) * 1000L +
          static_cast<int64_t>(t.tv_nsec) / 1000000L;
 }
 
-
 void File::Stat(const char* name, int64_t* data) {
   struct stat st;
   if (NO_RETRY_EXPECTED(stat(name, &st)) == 0) {
@@ -428,7 +397,6 @@ void File::Stat(const char* name, int64_t* data) {
   }
 }
 
-
 time_t File::LastModified(const char* name) {
   struct stat st;
   if (!StatHelper(name, &st)) {
@@ -437,7 +405,6 @@ time_t File::LastModified(const char* name) {
   return st.st_mtime;
 }
 
-
 time_t File::LastAccessed(const char* name) {
   struct stat st;
   if (!StatHelper(name, &st)) {
@@ -446,7 +413,6 @@ time_t File::LastAccessed(const char* name) {
   return st.st_atime;
 }
 
-
 bool File::SetLastAccessed(const char* name, int64_t millis) {
   // First get the current times.
   struct stat st;
@@ -461,7 +427,6 @@ bool File::SetLastAccessed(const char* name, int64_t millis) {
   return utime(name, &times) == 0;
 }
 
-
 bool File::SetLastModified(const char* name, int64_t millis) {
   // First get the current times.
   struct stat st;
@@ -476,7 +441,6 @@ bool File::SetLastModified(const char* name, int64_t millis) {
   return utime(name, &times) == 0;
 }
 
-
 const char* File::LinkTarget(const char* pathname) {
   struct stat link_stats;
   if (lstat(pathname, &link_stats) != 0) {
@@ -502,12 +466,10 @@ const char* File::LinkTarget(const char* pathname) {
   return target_name;
 }
 
-
 bool File::IsAbsolutePath(const char* pathname) {
   return (pathname != NULL && pathname[0] == '/');
 }
 
-
 const char* File::GetCanonicalPath(const char* pathname) {
   char* abs_path = NULL;
   if (pathname != NULL) {
@@ -525,17 +487,14 @@ const char* File::GetCanonicalPath(const char* pathname) {
   return abs_path;
 }
 
-
 const char* File::PathSeparator() {
   return "/";
 }
 
-
 const char* File::StringEscapedPathSeparator() {
   return "/";
 }
 
-
 File::StdioHandleType File::GetStdioHandleType(int fd) {
   ASSERT((0 <= fd) && (fd <= 2));
   struct stat buf;
@@ -558,7 +517,6 @@ File::StdioHandleType File::GetStdioHandleType(int fd) {
   return kOther;
 }
 
-
 File::Identical File::AreIdentical(const char* file_1, const char* file_2) {
   struct stat file_1_info;
   struct stat file_2_info;