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      1 /**
      2  * @file symbol_functors.h
      3  * Functors for symbol/sample comparison
      4  *
      5  * @remark Copyright 2002, 2003 OProfile authors
      6  * @remark Read the file COPYING
      7  *
      8  * @author Philippe Elie
      9  * @author John Levon
     10  */
     11 
     12 #ifndef SYMBOL_FUNCTORS_H
     13 #define SYMBOL_FUNCTORS_H
     14 
     15 #include "symbol.h"
     16 
     17 /// compare based on file location
     18 struct less_by_file_loc {
     19 	bool operator()(sample_entry const * lhs,
     20 			sample_entry const * rhs) const {
     21 		return lhs->file_loc < rhs->file_loc;
     22 	}
     23 
     24 	bool operator()(symbol_entry const * lhs,
     25 			symbol_entry const * rhs) const {
     26 		return lhs->sample.file_loc < rhs->sample.file_loc;
     27 	}
     28 };
     29 
     30 
     31 /// compare based on symbol contents
     32 struct less_symbol {
     33 	// implementation compare by id rather than by string
     34 	bool operator()(symbol_entry const & lhs,
     35 			symbol_entry const & rhs) const;
     36 };
     37 
     38 #endif /* SYMBOL_FUNCTORS_H */
     39