commit e73658ddbb995c432db9ae171798102a5a42ffda
author Craig Topper <craig.topper@gmail.com> Mon Apr 28 04:05:08 2014 +0000
committer Craig Topper <craig.topper@gmail.com> Mon Apr 28 04:05:08 2014 +0000
tree 9884185545168acee002d3fab1bc6f4e123ac0d1
parent 09ced5f66b41107fedea949e1c1deee081ca51c7

[C++] Use 'nullptr'.

llvm-svn: 207394

llvm/lib/Support/Unix/Path.inc

diff --git a/llvm/lib/Support/Unix/Path.inc b/llvm/lib/Support/Unix/Path.inc
index 1c91053..519a016 100644
--- a/llvm/lib/Support/Unix/Path.inc
+++ b/llvm/lib/Support/Unix/Path.inc
@@ -89,7 +89,7 @@
 
 static error_code TempDir(SmallVectorImpl<char> &result) {
   // FIXME: Don't use TMPDIR if program is SUID or SGID enabled.
-  const char *dir = 0;
+  const char *dir = nullptr;
   (dir = std::getenv("TMPDIR")) || (dir = std::getenv("TMP")) ||
       (dir = std::getenv("TEMP")) || (dir = std::getenv("TEMPDIR")) ||
 #ifdef P_tmpdir
@@ -246,7 +246,7 @@
 #endif
 
   while (true) {
-    if (::getcwd(result.data(), result.capacity()) == 0) {
+    if (::getcwd(result.data(), result.capacity()) == nullptr) {
       // See if there was a real error.
       if (errno != errc::not_enough_memory)
         return error_code(errno, system_category());
@@ -494,7 +494,7 @@
 #ifdef MAP_FILE
   flags |= MAP_FILE;
 #endif
-  Mapping = ::mmap(0, Size, prot, flags, FD, Offset);
+  Mapping = ::mmap(nullptr, Size, prot, flags, FD, Offset);
   if (Mapping == MAP_FAILED)
     return error_code(errno, system_category());
   return error_code::success();
@@ -525,7 +525,7 @@
 
   ec = init(ofd, true, offset);
   if (ec)
-    Mapping = 0;
+    Mapping = nullptr;
 }
 
 mapped_file_region::mapped_file_region(int fd,
@@ -545,7 +545,7 @@
 
   ec = init(fd, closefd, offset);
   if (ec)
-    Mapping = 0;
+    Mapping = nullptr;
 }
 
 mapped_file_region::~mapped_file_region() {
@@ -555,7 +555,7 @@
 
 mapped_file_region::mapped_file_region(mapped_file_region &&other)
   : Mode(other.Mode), Size(other.Size), Mapping(other.Mapping) {
-  other.Mapping = 0;
+  other.Mapping = nullptr;
 }
 
 mapped_file_region::mapmode mapped_file_region::flags() const {
@@ -587,7 +587,7 @@
                                                 StringRef path){
   SmallString<128> path_null(path);
   DIR *directory = ::opendir(path_null.c_str());
-  if (directory == 0)
+  if (!directory)
     return error_code(errno, system_category());
 
   it.IterationHandle = reinterpret_cast<intptr_t>(directory);
@@ -608,9 +608,9 @@
 error_code detail::directory_iterator_increment(detail::DirIterState &it) {
   errno = 0;
   dirent *cur_dir = ::readdir(reinterpret_cast<DIR *>(it.IterationHandle));
-  if (cur_dir == 0 && errno != 0) {
+  if (cur_dir == nullptr && errno != 0) {
     return error_code(errno, system_category());
-  } else if (cur_dir != 0) {
+  } else if (cur_dir != nullptr) {
     StringRef name(cur_dir->d_name, NAMLEN(cur_dir));
     if ((name.size() == 1 && name[0] == '.') ||
         (name.size() == 2 && name[0] == '.' && name[1] == '.'))
@@ -630,7 +630,7 @@
 
   // Open path.
   std::FILE *file = std::fopen(Path.data(), "rb");
-  if (file == 0)
+  if (!file)
     return error_code(errno, system_category());
 
   // Reserve storage.
@@ -667,7 +667,7 @@
 #ifdef MAP_FILE
   flags |= MAP_FILE;
 #endif
-  result = ::mmap(0, size, prot, flags, fd, file_offset);
+  result = ::mmap(nullptr, size, prot, flags, fd, file_offset);
   if (result == MAP_FAILED) {
     return error_code(errno, system_category());
   }