cutil/variables.h

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#ifndef VARIABLES_H
#define VARIABLES_H

#include "cutil.h"
#include "oldlist.h"

/*----------------------------------------------------------------------
              T y p e s
----------------------------------------------------------------------*/
typedef union
{
  float float_part;
  int int_part;
  void *ptr_part;
  const char *char_part;
} VALUE;

class VARIABLE;

typedef void (*variables_io) (VARIABLE * variable, char *string);

class VARIABLE
{
  public:
    void *address;
    const char *string;
    VALUE default_value;
    variables_io type_reader;
    variables_io type_writer;
};

extern VALUE dummy;

/*----------------------------------------------------------------------
              M a c r o s
----------------------------------------------------------------------*/
/*    To hide variable names for relase to UNLV DONT put the variable names in
  the executable: Toggle be either defining or not defining SECURE_NAMES*/
/* #define SECURE_NAMES defined in secnames.h when necessary */
#ifdef SECURE_NAMES

/*
#define float_variable(name,string,default)                \
dummy.float_part = default;                              \
add_32bit_variable (&name, "", dummy, float_read, float_write)
*/

/*
#define string_variable(name,string,default)              \
dummy.char_part = default;                    \
add_ptr_variable (&name, "", dummy, string_read, string_write)
*/

/*
#define int_variable(name,string,default)                 \
dummy.int_part = default;                              \
add_32bit_variable (&name, "", dummy, int_read, int_write)
*/

#else // SECURE_NAMES

#define float_variable(name,string,default)                \
dummy.float_part = default;                              \
add_32bit_variable (&name, string, dummy, float_read, float_write)

#define string_variable(name,string,default)              \
dummy.char_part = default;                    \
add_ptr_variable (&name, string, dummy, string_read, string_write)

#define int_variable(name,string,default)                 \
dummy.int_part = default;                              \
add_32bit_variable (&name, string, dummy, int_read, int_write)
#endif // SECURE_NAMES

/*--------------------------------------------------------------------------
        Public Function Prototoypes
----------------------------------------------------------------------------*/
void free_variables();

void add_ptr_variable(void *address,
                      const char *string,
                      VALUE default_value,
                      variables_io reader,
                      variables_io writer);

void add_32bit_variable(void *address,
                  const char *string,
                  VALUE default_value,
                  variables_io reader,
                  variables_io writer);

void float_read(VARIABLE *variable, char *string); 

void float_write(VARIABLE *variable, char *string); 

void int_read(VARIABLE *variable, char *string); 

void int_write(VARIABLE *variable, char *string); 

void read_variables(const char *filename); 

int same_var_name(void *item1,   //VARIABLE *variable,
                  void *item2);  //char     *string)

void string_read(VARIABLE *variable, char *string); 

void string_write(VARIABLE *variable, char *string); 

char *strip_line(char *string); 
#endif

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