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Create a base GLSL front-end from the 3Dlabs glslang front-end from 20-Sep-2005.

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git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@19944 e7fa87d3-cd2b-0410-9028-fcbf551c1848
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John Kessenich 2012-12-12 21:15:54 +00:00
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84
glslang/MachineIndependent/MMap.h Normal file
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//
//Copyright (C) 2002-2005 3Dlabs Inc. Ltd.
//All rights reserved.
//
//Redistribution and use in source and binary forms, with or without
//modification, are permitted provided that the following conditions
//are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
//
// Neither the name of 3Dlabs Inc. Ltd. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
//"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
//LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
//FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
//COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
//INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
//BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
//LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
//CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
//LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
//ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
//POSSIBILITY OF SUCH DAMAGE.
//
#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_