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

native_client_sdk/src/libraries/nacl_io/kernel_wrap_glibc.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <sys/types.h>  // Include something that will define __GLIBC__.
 #include "nacl_io/kernel_wrap.h" // IRT_EXT is turned on in this header.
 
 #if !defined(NACL_IO_IRT_EXT) && defined(__native_client__) && \
     defined(__GLIBC__)
 
@@ skipping 514 matching lines @@
   int err = REAL(fstat)(fd, &st);
   if (err) {
     errno = err;
     return -1;
   }
 
   nacl_stat_to_stat(&st, 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;
 
   while (nacl_offset < nacl_nread) {
     dirent* d = (dirent*)((char*)buf + offset);
     nacl_abi_dirent* nacl_d = (nacl_abi_dirent*)(nacl_buf + nacl_offset);
     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;
   return 0;
 }
 
 int _real_lseek(int fd, off_t offset, int whence, off_t* new_offset) {
   CHECK_REAL(seek);
   return REAL(seek)(fd, offset, whence, new_offset);
 }
@@ skipping 62 matching lines @@
   if (s_wrapped) {
     LOG_TRACE("kernel_wrap_uninit");
     EXPAND_SYMBOL_LIST_OPERATION(USE_REAL)
     s_wrapped = false;
   }
 }
 
 EXTERN_C_END
 
 #endif  // defined(__native_client__) && defined(__GLIBC__)