Style Change: NULL->nullptr

src/ports/SkOSFile_posix.cpp

Index: src/ports/SkOSFile_posix.cpp
diff --git a/src/ports/SkOSFile_posix.cpp b/src/ports/SkOSFile_posix.cpp
index b604c2190c548ae4817fa4f4daba64baf71eb885..58662f382f45050380d49c0f611f27ad5f8069d8 100644
--- a/src/ports/SkOSFile_posix.cpp
+++ b/src/ports/SkOSFile_posix.cpp
@@ -63,19 +63,19 @@ void sk_fmunmap(const void* addr, size_t length) {
 void* sk_fdmmap(int fd, size_t* size) {
     struct stat status;
     if (0 != fstat(fd, &status)) {
-        return NULL;
+        return nullptr;
     }
     if (!S_ISREG(status.st_mode)) {
-        return NULL;
+        return nullptr;
     }
     if (!SkTFitsIn<size_t>(status.st_size)) {
-        return NULL;
+        return nullptr;
     }
     size_t fileSize = static_cast<size_t>(status.st_size);
 
-    void* addr = mmap(NULL, fileSize, PROT_READ, MAP_PRIVATE, fd, 0);
+    void* addr = mmap(nullptr, fileSize, PROT_READ, MAP_PRIVATE, fd, 0);
     if (MAP_FAILED == addr) {
-        return NULL;
+        return nullptr;
     }
 
     *size = fileSize;
@@ -89,7 +89,7 @@ int sk_fileno(SkFILE* f) {
 void* sk_fmmap(SkFILE* f, size_t* size) {
     int fd = sk_fileno(f);
     if (fd < 0) {
-        return NULL;
+        return nullptr;
     }
 
     return sk_fdmmap(fd, size);
@@ -149,7 +149,7 @@ bool SkOSFile::Iter::next(SkString* name, bool getDir) {
     if (self.fDIR) {
         dirent* entry;
 
-        while ((entry = ::readdir(self.fDIR)) != NULL) {
+        while ((entry = ::readdir(self.fDIR)) != nullptr) {
             struct stat s;
             SkString str(self.fPath);