touplow

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// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.
 
#ifndef tools_touplow
#define tools_touplow
 
#include <string>
 
namespace tools {
 
inline void tolowercase(std::string& a_string){
  for(std::string::iterator it=a_string.begin();it!=a_string.end();++it) {
    char c = *it;
    *it = ((c) >= 'A' && (c) <= 'Z' ?  c - 'A' + 'a' : c);
  }
}
 
inline void touppercase(std::string& a_string){
  for(std::string::iterator it=a_string.begin();it!=a_string.end();++it) {
    char c = *it;
    *it = ((c) >= 'a' && (c) <= 'z' ?  c - 'a' + 'A' : c);
  }
}
 
}
 
#endif