[NaCl SDK] nacl_io: Remove Node::Access method.

native_client_sdk/src/libraries/nacl_io/kernel_proxy.cc

Index: native_client_sdk/src/libraries/nacl_io/kernel_proxy.cc
diff --git a/native_client_sdk/src/libraries/nacl_io/kernel_proxy.cc b/native_client_sdk/src/libraries/nacl_io/kernel_proxy.cc
index a35e1822110b8874539578f079b5edd46414f13a..87f168b3cb1b33e09b6c128b39d06f8132a7c994 100644
--- a/native_client_sdk/src/libraries/nacl_io/kernel_proxy.cc
+++ b/native_client_sdk/src/libraries/nacl_io/kernel_proxy.cc
@@ -843,20 +843,20 @@ int KernelProxy::fcntl(int fd, int request, va_list args) {
 }
 
 int KernelProxy::access(const char* path, int amode) {
-  ScopedFilesystem fs;
-  Path rel;
-
-  Error error = AcquireFsAndRelPath(path, &fs, &rel);
-  if (error) {
-    errno = error;
+  struct stat buf;
+  int rtn = stat(path, &buf);
+  if (rtn != 0) {
+    errno = rtn;

[binji, 2014/09/08 18:48:26]

stat above calls KernelProxy::stat, which already set errno. This should be
just:

return rtn;

[Sam Clegg, 2014/09/09 19:58:30]

Done.

     return -1;
   }
 
-  error = fs->Access(rel, amode);
-  if (error) {
-    errno = error;
+  if (((amode & R_OK) && !(buf.st_mode & S_IREAD)) ||
+      ((amode & W_OK) && !(buf.st_mode & S_IWRITE)) ||
+      ((amode & X_OK) && !(buf.st_mode & S_IEXEC))) {
+    errno = EACCES;
     return -1;
   }
+
   return 0;
 }