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// diskstrings.h
/******************************************************************************
*
* MiXViews - an X window system based sound & data editor/processor
*
* Copyright (c) 1993, 1994 Regents of the University of California
*
* Author: Douglas Scott
* Date: December 13, 1994
*
* Permission to use, copy and modify this software and its documentation
* for research and/or educational purposes and without fee is hereby granted,
* provided that the above copyright notice appear in all copies and that
* both that copyright notice and this permission notice appear in
* supporting documentation. The author reserves the right to distribute this
* software and its documentation. The University of California and the author
* make no representations about the suitability of this software for any
* purpose, and in no event shall University of California be liable for any
* damage, loss of data, or profits resulting from its use.
* It is provided "as is" without express or implied warranty.
*
******************************************************************************/
// The DiskString class stores the variable-length char strings for header
// attributes.
#ifndef DISKSTRINGS_H
#define DISKSTRINGS_H
#include <string.h>
class CompressionName {
enum Len { StrLen = 15 };
protected:
int lmin(int x, int y) const { return (x < y) ? x : y; }
void copy(const char* string) {
strncpy(charPtr(), string, lmin(strlen(string), StrLen));
chars[0] = StrLen - 1; chars[StrLen] = '\0';
}
public:
CompressionName() { copy("not compressed"); }
CompressionName(const CompressionName& cname) { copy(cname.charPtr()); }
const CompressionName& operator = (const char* string) {
copy(string); return *this;
}
int operator == (const char* string) const {
return (strncmp(charPtr(), string, lmin(strlen(string), StrLen)) == 0);
}
operator const char* () const { return chars; }
private:
char chars[StrLen + 1];
char* charPtr() const { return (char *) (chars + 1); }
};
#endif
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