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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 COMPILER_TRANSLATOR_MMAP_H_
#define COMPILER_TRANSLATOR_MMAP_H_
//
// 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 // COMPILER_TRANSLATOR_MMAP_H_
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