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 //

 // Copyright (c) 2002-2010 The ANGLE Project 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 _MMAP_INCLUDED_

 #define _MMAP_INCLUDED_

 //

 // Encapsulate memory mapped files

 //

 class TMMap {

 public:

     TMMap(const char* fileName) : 

         fSize(-1), // -1 is the error value returned by GetFileSize()

         fp(NULL),

         fBuff(0)   // 0 is the error value returned by MapViewOfFile()

     {

         if ((fp = fopen(fileName, "r")) == NULL)

             return;

         char c = getc(fp);

         fSize = 0;

         while (c != EOF) {

             fSize++;

             c = getc(fp);

         }

         if (c == EOF)

             fSize++;

         rewind(fp);

         fBuff = (char*)malloc(sizeof(char) * fSize);

         int count = 0;

         c = getc(fp);

         while (c != EOF) {

             fBuff[count++] = c;

             c = getc(fp);

         }

         fBuff[count++] = c;

     }

     char* getData() { return fBuff; }

     int   getSize() { return fSize; }

     ~TMMap() {

         if (fp != NULL)

             fclose(fp);

     }

 private:

     int             fSize;      // size of file to map in

     FILE *fp;

     char*           fBuff;      // the actual data;

 };

 #endif // _MMAP_INCLUDED_