c_string_less.h

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*/
 
#ifndef C_STRING_LESS_INCLUDED
#define C_STRING_LESS_INCLUDED
 
#include <string.h>
 
/**
  @file include/c_string_less.h
*/
 
/**
  Compares two strings for order, assures ascending lexicographical order.
  Is used as a const char * std::less specialization.
*/
struct c_string_less {
  /**
    Compares two strings for order.
 
    @param s1 String to compare.
    @param s2 String to compare.
    @return Result of comparison, assures ascending lexicographical order.
  */
  bool operator()(const char *s1, const char *s2) const {
    return strcmp(s1, s2) < 0;
  }
};
 
#endif