Base: A few more files using BASE_API (for base.dll)

base/platform_file.h

 // Copyright (c) 2011 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.
 
 #ifndef BASE_PLATFORM_FILE_H_
 #define BASE_PLATFORM_FILE_H_
 #pragma once
 
-#include "base/basictypes.h"
 #include "build/build_config.h"
-#include "base/file_path.h"
-#include "base/time.h"
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 #include <string>
 
+#include "base/base_api.h"
+#include "base/basictypes.h"
+#include "base/file_path.h"
+#include "base/time.h"
+
+class FilePath;

[wtc, 2011/03/25 17:35:42]

Remove this forward declaration of FilePath because we
already include "base/file_path.h".

+
 namespace base {
 
 #if defined(OS_WIN)
 typedef HANDLE PlatformFile;
 const PlatformFile kInvalidPlatformFileValue = INVALID_HANDLE_VALUE;
 #elif defined(OS_POSIX)
 typedef int PlatformFile;
 const PlatformFile kInvalidPlatformFileValue = -1;
 #endif
 
@@ skipping 33 matching lines @@
   PLATFORM_FILE_ERROR_ABORT = -12,
   PLATFORM_FILE_ERROR_NOT_A_FILE = -13,
   PLATFORM_FILE_ERROR_NOT_EMPTY = -14,
 };
 
 // Used to hold information about a given file.
 // If you add more fields to this structure (platform-specific fields are OK),
 // make sure to update all functions that use it in file_util_{win|posix}.cc
 // too, and the ParamTraits<base::PlatformFileInfo> implementation in
 // chrome/common/common_param_traits.cc.
-struct PlatformFileInfo {
+struct BASE_API PlatformFileInfo {
   PlatformFileInfo();
   ~PlatformFileInfo();
 
   // The size of the file in bytes.  Undefined when is_directory is true.
   int64 size;
 
   // True if the file corresponds to a directory.
   bool is_directory;
 
   // True if the file corresponds to a symbolic link.
   bool is_symbolic_link;
 
   // The last modified time of a file.
   base::Time last_modified;
 
   // The last accessed time of a file.
   base::Time last_accessed;
 
   // The creation time of a file.
   base::Time creation_time;
 
   // The full path of a file.  Currently only used by FileSystemFileUtil during
   // a GetMetadata operation.
   FilePath path;
 };
 
 // Creates or opens the given file. If PLATFORM_FILE_OPEN_ALWAYS is used, and
 // |created| is provided, |created| will be set to true if the file was created
 // or to false in case the file was just opened. |error_code| can be NULL.
-PlatformFile CreatePlatformFile(const FilePath& name,
-                                int flags,
-                                bool* created,
-                                PlatformFileError* error_code);
+BASE_API PlatformFile CreatePlatformFile(const FilePath& name,
+                                         int flags,
+                                         bool* created,
+                                         PlatformFileError* error_code);
 
 // Closes a file handle. Returns |true| on success and |false| otherwise.
-bool ClosePlatformFile(PlatformFile file);
+BASE_API bool ClosePlatformFile(PlatformFile file);
 
 // Reads the given number of bytes (or until EOF is reached) starting with the
 // given offset. Returns the number of bytes read, or -1 on error.
-int ReadPlatformFile(PlatformFile file, int64 offset, char* data, int size);
+BASE_API int ReadPlatformFile(PlatformFile file, int64 offset,
+                              char* data, int size);
 
 // Writes the given buffer into the file at the given offset, overwritting any
 // data that was previously there. Returns the number of bytes written, or -1
 // on error.
-int WritePlatformFile(PlatformFile file, int64 offset,
-                      const char* data, int size);
+BASE_API int WritePlatformFile(PlatformFile file, int64 offset,
+                               const char* data, int size);
 
 // Truncates the given file to the given length. If |length| is greater than
 // the current size of the file, the file is extended with zeros. If the file
 // doesn't exist, |false| is returned.
-bool TruncatePlatformFile(PlatformFile file, int64 length);
+BASE_API bool TruncatePlatformFile(PlatformFile file, int64 length);
 
 // Flushes the buffers of the given file.
-bool FlushPlatformFile(PlatformFile file);
+BASE_API bool FlushPlatformFile(PlatformFile file);
 
 // Touches the given file.
-bool TouchPlatformFile(PlatformFile file, const Time& last_access_time,
-                       const Time& last_modified_time);
+BASE_API bool TouchPlatformFile(PlatformFile file, const Time& last_access_time,
+                                const Time& last_modified_time);
 
 // Returns some information for the given file.
-bool GetPlatformFileInfo(PlatformFile file, PlatformFileInfo* info);
+BASE_API bool GetPlatformFileInfo(PlatformFile file, PlatformFileInfo* info);
 
 // Use this class to pass ownership of a PlatformFile to a receiver that may or
 // may not want to accept it.  This class does not own the storage for the
 // PlatformFile.
 //
 // EXAMPLE:
 //
 //  void MaybeProcessFile(PassPlatformFile pass_file) {
 //    if (...) {
 //      PlatformFile file = pass_file.ReleaseValue();
 //      // Now, we are responsible for closing |file|.
 //    }
 //  }
 //
 //  void OpenAndMaybeProcessFile(const FilePath& path) {
 //    PlatformFile file = CreatePlatformFile(path, ...);
 //    MaybeProcessFile(PassPlatformFile(&file));
 //    if (file != kInvalidPlatformFileValue)
 //      ClosePlatformFile(file);
 //  }
 //
-class PassPlatformFile {
+class BASE_API PassPlatformFile {
  public:
   explicit PassPlatformFile(PlatformFile* value) : value_(value) {
   }
 
   // Called to retrieve the PlatformFile stored in this object.  The caller
   // gains ownership of the PlatformFile and is now responsible for closing it.
   // Any subsequent calls to this method will return an invalid PlatformFile.
   PlatformFile ReleaseValue() {
     PlatformFile temp = *value_;
     *value_ = kInvalidPlatformFileValue;
     return temp;
   }
 
  private:
   PlatformFile* value_;
 };
 
 }  // namespace base
 
 #endif  // BASE_PLATFORM_FILE_H_