pointer_utils.h

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/*
 * Utility functions and macros for working with pointers.
 *
 *
 * Created by MacBook on 01.11.2024.
 */
 
#ifndef CLIBS_POINTER_UTILS_H
#define CLIBS_POINTER_UTILS_H
 
#include "attributes.h" /* LibraryDefined */
 
#include <stdarg.h> /* va_* */
#include <stdlib.h> /* free(), NULL */
 

#define new( TYPE ) calloc( 1, sizeof( TYPE ) )

#define free_n( ptr ) free_and_null( ( void ** ) &( ptr ) )
 

LibraryDefined void free_all( int n, ... )
{
    va_list vaList;
    va_start( vaList, n );
    while ( n-- > 0 )
        free( va_arg( vaList, void * ) );
 
    va_end( vaList );
}

LibraryDefined inline void free_and_null( void **n )
{
    free( *n );
    *n = NULL;
}
 

#define deref_as( type, var ) ( *( type * ) ( var ) )
#define deref_as_offset( type, var, offset ) ( *( ( type * ) ( var ) ) + offset )
 
 
#endif //CLIBS_POINTER_UTILS_H