[NaCl SDK] nacl_mounts: wrap functions.

native_client_sdk/src/libraries/nacl_mounts/kernel_intercept.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 "nacl_mounts/kernel_intercept.h"
 
 #include "nacl_mounts/kernel_proxy.h"
 
 static KernelProxy* s_kp;
 
 void ki_init(void* kp) {
   if (kp == NULL) kp = new KernelProxy();
   s_kp = static_cast<KernelProxy*>(kp);
   s_kp->Init();
 }
 
+int ki_is_initialized() {
+  return s_kp != NULL;
+}
+
 int ki_chdir(const char* path) {
   return s_kp->chdir(path);
 }
 
 char* ki_getcwd(char* buf, size_t size) {
   return s_kp->getcwd(buf, size);
 }
 
 char* ki_getwd(char* buf) {
   return s_kp->getwd(buf);
@@ skipping 16 matching lines @@
 }
 
 int ki_rmdir(const char *path) {
   return s_kp->rmdir(path);
 }
 
 int ki_mount(const char *source, const char *target, const char *filesystemtype,
              unsigned long mountflags, const void *data) {
   return s_kp->mount(source, target, filesystemtype, mountflags, data);
 }
+
 int ki_umount(const char *path) {
   return s_kp->umount(path);
 }
+
 int ki_open(const char *path, int oflag) {
   return s_kp->open(path, oflag);
 }
 
 ssize_t ki_read(int fd, void *buf, size_t nbyte) {
   return s_kp->read(fd, buf, nbyte);
 }
 
 ssize_t ki_write(int fd, const void *buf, size_t nbyte) {
   return s_kp->write(fd, buf, nbyte);
@@ skipping 12 matching lines @@
 }
 
 int ki_isatty(int fd) {
   return s_kp->isatty(fd);
 }
 
 int ki_close(int fd) {
   return s_kp->close(fd);
 }
 
+off_t ki_lseek(int fd, off_t offset, int whence) {
+  return s_kp->lseek(fd, offset, whence);
+}
+
 int ki_remove(const char* path) {
   return s_kp->remove(path);
 }
 
 int ki_unlink(const char* path) {
   return s_kp->unlink(path);
 }
 
 int ki_access(const char* path, int amode) {
   return s_kp->access(path, amode);
 }