1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/angle/src/compiler/MMap.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,56 @@
1.4 +//
1.5 +// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
1.6 +// Use of this source code is governed by a BSD-style license that can be
1.7 +// found in the LICENSE file.
1.8 +//
1.9 +
1.10 +#ifndef _MMAP_INCLUDED_
1.11 +#define _MMAP_INCLUDED_
1.12 +
1.13 +//
1.14 +// Encapsulate memory mapped files
1.15 +//
1.16 +
1.17 +class TMMap {
1.18 +public:
1.19 + TMMap(const char* fileName) :
1.20 + fSize(-1), // -1 is the error value returned by GetFileSize()
1.21 + fp(NULL),
1.22 + fBuff(0) // 0 is the error value returned by MapViewOfFile()
1.23 + {
1.24 + if ((fp = fopen(fileName, "r")) == NULL)
1.25 + return;
1.26 + char c = getc(fp);
1.27 + fSize = 0;
1.28 + while (c != EOF) {
1.29 + fSize++;
1.30 + c = getc(fp);
1.31 + }
1.32 + if (c == EOF)
1.33 + fSize++;
1.34 + rewind(fp);
1.35 + fBuff = (char*)malloc(sizeof(char) * fSize);
1.36 + int count = 0;
1.37 + c = getc(fp);
1.38 + while (c != EOF) {
1.39 + fBuff[count++] = c;
1.40 + c = getc(fp);
1.41 + }
1.42 + fBuff[count++] = c;
1.43 + }
1.44 +
1.45 + char* getData() { return fBuff; }
1.46 + int getSize() { return fSize; }
1.47 +
1.48 + ~TMMap() {
1.49 + if (fp != NULL)
1.50 + fclose(fp);
1.51 + }
1.52 +
1.53 +private:
1.54 + int fSize; // size of file to map in
1.55 + FILE *fp;
1.56 + char* fBuff; // the actual data;
1.57 +};
1.58 +
1.59 +#endif // _MMAP_INCLUDED_
