a0af473a8b
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@19944 e7fa87d3-cd2b-0410-9028-fcbf551c1848
85 lines
2.6 KiB
C++
85 lines
2.6 KiB
C++
//
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//Copyright (C) 2002-2005 3Dlabs Inc. Ltd.
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//All rights reserved.
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//
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//Redistribution and use in source and binary forms, with or without
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//modification, are permitted provided that the following conditions
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//are met:
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//
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// Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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//
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// Neither the name of 3Dlabs Inc. Ltd. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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//"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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//LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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//FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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//COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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//INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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//BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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//LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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//CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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//LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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//ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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//POSSIBILITY OF SUCH DAMAGE.
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//
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#ifndef _MMAP_INCLUDED_
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#define _MMAP_INCLUDED_
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//
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// Encapsulate memory mapped files
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//
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class TMMap {
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public:
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TMMap(const char* fileName) :
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fSize(-1), // -1 is the error value returned by GetFileSize()
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fp(NULL),
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fBuff(0) // 0 is the error value returned by MapViewOfFile()
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{
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if ((fp = fopen(fileName, "r")) == NULL)
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return;
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char c = getc(fp);
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fSize = 0;
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while (c != EOF) {
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fSize++;
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c = getc(fp);
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}
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if (c == EOF)
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fSize++;
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rewind(fp);
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fBuff = (char*)malloc(sizeof(char) * fSize);
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int count = 0;
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c = getc(fp);
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while (c != EOF) {
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fBuff[count++] = c;
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c = getc(fp);
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}
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fBuff[count++] = c;
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}
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char* getData() { return fBuff; }
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int getSize() { return fSize; }
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~TMMap() {
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if (fp != NULL)
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fclose(fp);
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}
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private:
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int fSize; // size of file to map in
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FILE *fp;
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char* fBuff; // the actual data;
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};
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#endif // _MMAP_INCLUDED_
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