[NaCl SDK] nacl_io: Change default root filesystem type from passthroughfs to memfs

native_client_sdk/src/libraries/nacl_io/kernel_wrap_glibc.cc

Index: native_client_sdk/src/libraries/nacl_io/kernel_wrap_glibc.cc
diff --git a/native_client_sdk/src/libraries/nacl_io/kernel_wrap_glibc.cc b/native_client_sdk/src/libraries/nacl_io/kernel_wrap_glibc.cc
index 5be9d25b669b2ab009fe4aa2a25e4452475cfe5e..9fd8c952e6e778afe5107f676ce5ee8370270694 100644
--- a/native_client_sdk/src/libraries/nacl_io/kernel_wrap_glibc.cc
+++ b/native_client_sdk/src/libraries/nacl_io/kernel_wrap_glibc.cc
@@ -532,15 +532,16 @@ int _real_fstat(int fd, struct stat* buf) {
   return 0;
 }
 
-int _real_getdents(int fd, void* buf, size_t count, size_t* nread) {
+int _real_getdents(int fd, struct dirent* buf, size_t count, size_t* nread) {
   // "buf" contains dirent(s); "nacl_buf" contains nacl_abi_dirent(s).
   // See WRAP(getdents) above.
+
   char* nacl_buf = (char*)alloca(count);
   size_t offset = 0;
   size_t nacl_offset = 0;
   size_t nacl_nread;
   CHECK_REAL(getdents);
-  int err = REAL(getdents)(fd, (dirent*)nacl_buf, count, &nacl_nread);
+  int err = REAL(getdents)(fd, (struct dirent*)nacl_buf, count, &nacl_nread);
   if (err)
     return err;
 
@@ -550,12 +551,12 @@ int _real_getdents(int fd, void* buf, size_t count, size_t* nread) {
     d->d_ino = nacl_d->nacl_abi_d_ino;
     d->d_off = nacl_d->nacl_abi_d_off;
     d->d_reclen = nacl_d->nacl_abi_d_reclen + d_name_shift;
-    size_t d_name_len =
+    size_t name_len =
         nacl_d->nacl_abi_d_reclen - offsetof(nacl_abi_dirent, nacl_abi_d_name);
-    memcpy(d->d_name, nacl_d->nacl_abi_d_name, d_name_len);
+    memcpy(d->d_name, nacl_d->nacl_abi_d_name, name_len);
 
     offset += d->d_reclen;
-    offset += nacl_d->nacl_abi_d_reclen;
+    nacl_offset += nacl_d->nacl_abi_d_reclen;
   }
 
   *nread = offset;